goPublicPage(item, item2) { console.log(111, item.id.constructor.name); console.log(222, item2.id); this.$store.commit("setHomeDate", item2, item) switch (item.id * 1) { case 1: uni.navigateTo({ url: "../../HomePage/WorkAndStudy/WorkAndStudy" }) break; case 2: uni.navigateTo({ url: "../../HomePage/MarketingCreativity/MarketingCreativity" }) break; case 3: uni.navigateTo({ url: "../../HomePage/ShortVideo/ShortVideo" }) break; default: console.log(5555) break; } } 这段代码报错id为undefined

class Animal { constructor(name) { this.name = name; } speak() { console.log(${this.name} makes a noise.); } } class Dog extends Animal { constructor(name) { super(name); // calls the Animal constructor with the name parameter } speak() { console.log(${this.name} barks.); } } const fido = new Dog('Fido’); fido.speak(); // Output: Fido barks.

Animal类有一个构造函数，用于初始化实例属性name，还有一个方法speak，用于打印对象的名称和一个固定的字符串。Dog类也有一个构造函数，它调用了父类Animal的构造函数，并且有一个重写的speak方法，用于打印对象的...

输出这段 js 代码的执行结果 function Parent() { this.name = 'Parent'; } Parent.prototype.sayHello = function() { console.log('Hello from Parent'); }; function Child() { this.age = 10; } // 继承 Parent Child.prototype = new Parent(); // 测试 var child = new Child(); console.log(child.name); // Parent child.sayHello(); // Hello from Parent

console.log(this.name); }; function Child() {} // 让子类原型指向父类实例 Child.prototype = new Parent(); Child.prototype.constructor = Child; // 恢复构造函数指针 var child1 = new Child(); console....

写出尽可能多的修改方法要修改的代码： const obj = { name: 'John', greet: function() { console.log(Hello, ${this.name}); } }; // Only change code below this line const greetFunction = obj.greet; greetFunction(); // Only change code above this line 修改要求：调用 obj 的 greet 方法，使其 this 能够正确获取到 obj 的属性  调用 greetFunction 方法，使其 this 能够正确获取到 obj 的属性学习的内容： this的理解：理解 JavaScript 中的 this 关键字是非常重要的，因为它在不同的上下文中具有不同的含义。this 的值取决于函数的调用方式，下面我们来详细解释不同情况下 this 的指向：全局上下文中：在全局上下文中，即在任何函数外部，this 指向全局对象，通常在浏览器环境中指向 window 对象。 console.log(this); // 输出 window（浏览器环境下）函数调用：当函数独立调用时，this 指向全局对象（在严格模式下是）。 function myFunction() { console.log(this); } myFunction(); // 输出 window（浏览器环境下）方法调用：当函数作为对象的方法调用时，this 指向调用该方法的对象。 const obj = { name: 'John', greet: function() { console.log(this.name); // 输出 John } }; obj.greet(); 构造函数中：当函数用作构造函数使用（通过 new 关键字调用）时，this 指向新创建的对象。 function Person(name) { this.name = name; } const person1 = new Person('Alice'); console.log(person1.name); // 输出 Alice class类中：在 JavaScript 的类（class）中，this 的行为也与其他情况有所不同。在类中，this 指向实例化的对象，也就是类的实例。 class Person { constructor(name) { this.name = name; } greet() { console.log(Hello, ${this.name}); } } const person1 = new Person('Alice'); person1.greet(); // 输出 Hello, Alice 在这个例子中，this 关键字在 Person 类的构造函数和 greet 方法中都指向实例化的对象 person1。因此，当调用 person1.greet() 时，this 指向 person1 对象，从而输出相应的问候语。需要注意的是，如果在类的方法中使用普通的函数，那么函数内部的 this 将会丢失其上下文，并可能指向全局对象或者，这时需要使用箭头函数来绑定正确的上下文： class Person { constructor(name) { this.name = name; } greet() { setTimeout(function() { console.log(Hello, ${this.name}); // 此处的 this 指向全局对象（在浏览器环境中通常是 window） }, 1000); } } const person1 = new Person('Alice'); person1.greet(); // 输出 "Hello, " class Person { constructor(name) { this.name = name; } greet() { setTimeout(() => { console.log(Hello, ${this.name}); // 将普通函数改为箭头函数，this重新指向Person实例 }, 1000); } } const person1 = new Person('Alice'); person1.greet(); // 输出 "Hello, Alice" 通过箭头函数，我们将内部函数绑定到了外部函数的上下文，确保了 this 指向正确的对象。 JavaScript this指向更改代码，使其能够正确调用greet方法，输出Hello, John

console.log(Hello, ${this.name}); } }; // 注意：此方法需修改原始obj，可能不符合题目要求 ### 方法6：包装函数 + 闭包 javascript const greetFunction = function() { obj.greet(); }; ...

class Person { constructor(name, age) { this.name = name; this.age = age; } sayHello() { console.log(Hello, my name is ${this.name} and I am ${this.age} years old.); } } const john = new Person('John', 30); john.sayHello();

这段代码定义了一个名为Person的类，它有两个属性name和age以及一个方法sayHello。在构造函数中，通过传入参数name和age来初始化这两个属性。方法sayHello用于输出一个问候语，其中包含对象的name和age属性值。最后...

class Start{ constructor(name,age,year){ this.name=name; this.age=age; this.year=year; } fn(value){ console.log(value) } } class Son extends Start{ constructor(val,val2){ this.sum = val+val2 } } // const son =new Son(10,10) // console.log(son) // son.fn(son.sum) //Uncaught ReferenceError: Must call super constructor in derived class before accessing 'this' or returning from derived constructor class Son_true extends Start { constructor(val,val2){ super(1,2,3); //利用super调用父类的构造函数super必须在子类this之前调用 this.sum = val+val2 } } const SonTrue =new Son_true(10,10) SonTrue.fn(SonTrue.sum) SonTrue.fn(SonTrue) //super(1,2,3) {name: 1, age: 2, year: 3, sum: 20}

constructor(val, val2) { super(); // 调用父类的构造函数 this.sum = val + val2; } } 另外，在你的代码中，你定义了另一个子类 Son_true，它正确地调用了父类的构造函数 super(1, 2, 3)，并成功地访问和...

function LogClass(target: Function) { const className = target.name; // 保存原始构造函数 const original = target.prototype.constructor; // 重写构造函数 target.prototype.constructor = function (...args: any[]) { console.log([${new Date().toISOString()}] 实例化类 ${className}，参数：${args}); return original.apply(this, args); }; return target; } 为什么这个装饰器要有返回值返回的值去哪里了

target.prototype.log = function() { console.log('logged'); }; } @log class MyClass {} 这种情况下，装饰器没有返回新类，而是给原型添加了方法，所以实例会有log方法。总结一下，类装饰器的返回值的...

import { makeObservable, observable, action, runInAction } from "mobx"; import { getMandatoryRemindApi } from "Renderer/api/modules/forceRemind"; import { mainWindow } from "Renderer/main/stores"; import { ETokenBus, EI_Exchange_Company, IMEventBus, IMEventBusTag_JumpToIM, IMEventBusTag_JumpToCalendar, Global_Layout_Home_Init } from "Renderer/ct/EventEmitter"; interface remindList { fid: string; emp_no: string; business_resource: string; business_code: string; url: string; } const { IMEventBus_on, IMEventBus_removeListener } = IMEventBus(); export default class ForceRemindModalStore { mandatoryRemindList: remindList[] = []; currentIndex: number = 0; modal: any = null; constructor() { makeObservable(this, { mandatoryRemindList: observable, currentIndex: observable, modal: observable, init: action, getRemindListAction: action, destroyAction: action, startAfter: action, showNextModal: action, initMessageListener: action, }); } init() { this.initMessageListener(); console.log("=========init"); this.startAfter(); } destroyAction = () => { runInAction(() => { this.mandatoryRemindList = []; console.log("2222destroyAction"); }); //off mainWindow().removeLifeFrequencyEvent(this.lifeStart); }; startAfter () { console.log("注册Global_Layout_Home_Init监听器"); IMEventBus_on(Global_Layout_Home_Init, this.homeInitFinish); mainWindow().addLifeFrequencyEvent(this.lifeStart); } homeInitFinish = () => { console.log("111111111"); this.getRemindListAction(); }; lifeStart = () => { console.log("33333lifeStart"); this.getRemindListAction(); }; async getRemindListAction() { // if (this.mandatoryRemindList.length) return; let res = await getMandatoryRemindApi(); if (res.isSuccess) { let list = res.data.list; runInAction(() => { this.mandatoryRemindList = list; if (this.mandatoryRemindList.length > 0) { this.showNextModal(); } }); } else { runInAction(() => { this.mandatoryRemindList = []; }); } } showNextModal() { if (this.currentIndex >= this.mandatoryRemindList.length) return; const url = this.mandatoryRemindList[this.currentIndex].url; this.modal = document.createElement("div"); this.modal.style.position = "fixed"; this.modal.style.top = "0"; this.modal.style.left = "0"; this.modal.style.width = "100%"; this.modal.style.height = "100%"; this.modal.style.backgroundColor = "rgba(0,0,0,0.5)"; this.modal.style.zIndex = "1000"; this.modal.style.display = "flex"; this.modal.style.justifyContent = "center"; this.modal.style.alignItems = "center"; const iframe = document.createElement("iframe"); iframe.src = url; iframe.style.width = "80%"; iframe.style.height = "80%"; iframe.style.border = "none"; this.modal.appendChild(iframe); document.body.appendChild(this.modal); } closeCurrentModal() { if (this.modal) { document.body.removeChild(this.modal); this.modal = null; this.currentIndex++; this.showNextModal(); } } initMessageListener() { console.log("监听器已注册") window.addEventListener("message", (event) => { console.log('收到消息原始数据:', event); if (event.data == "cornex-im-closeForceRemindModal") { console.log('消息验证通过'); this.closeCurrentModal(); } }); } } <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>PostMessage示例</title> </head> <body> <button id="messageBtn">关闭</button> <script> document.getElementById('messageBtn').addEventListener('click', function() { // 向父窗口发送特定格式的消息 window.parent.postMessage('cornex-im-closeForceRemindModal', '*'); console.log('关闭消息已发送'); }); </script> </body> </html> 外部调用关闭，store 里监听没收到消息，怎么正确能收到

console.log('收到消息，origin:', event.origin, 'data:', event.data); if (event.data === "cornex-im-closeForceRemindModal") { console.log('消息验证通过'); this.closeCurrentModal(); } }); 这样...

Text('苹果'+${this.name})this.name是有值的，但是为什么输出都是没有结果的，但是console.log(${this.name})也是有值的，给出解决办法

4. **测试环境**：在浏览器的开发者工具的控制台运行console.log(this.name)，确认是否能正确打印出预期值。如果你已经排除以上可能性，但仍然出现问题，那可能是React更新机制的问题。试试在适当的地方使用...

请仔细阅读这段js代码 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> </head> <body> <input type="text" id="mytext"> <button id="myadd">add</button> <script> import ajax from './ajax.js' class TodoList { constructor(select) { this.list = document.querySelector(select) this.listdata = [] this.init() } init() { this.getList() } getList() { ajax( { url: "http://localhost:3000/list", success: (res) => { console.log(this) this.listdata = res this.render() }, error: function (err) { console.log("error", err) } } ) } render(){ console.log("11") } } </script> </body> </html> 请问this.render()中的this指向的是谁

这段代码中，this.render()中的this指向的是TodoList实例对象。在getList()方法中，成功获取到数据后，使用箭头函数作为回调函数，箭头函数会继承外层作用域的this值，而这里的this指向的就是TodoList实例对象。...

function LogClass(target: Function) { // 保存原始构造函数的引用 const original = target; // 生成一个新的构造函数，它会替代原始的构造函数 function construct(constructor, args) { console.log("Created instance of", constructor.name); return new constructor(...args); } // 用新的构造函数替换原始构造函数 const newConstructor: any = function (...args) { return construct(original, args); }; // 保证新的构造函数与原始构造函数的原型相同 newConstructor.prototype = original.prototype; return newConstructor; } @LogClass class MyClass { constructor(public name: string) {} }这个装饰器返回这个有什么用呢

console.log([${new Date().toISOString()}] 实例化类 ${className}，参数：${args}); return original.apply(this, args); }; return target; } @LogClass class UserService { constructor(private name: ...

// ====== 环境修复与全局对象安全 ====== (function() { // 安全获取全局对象的函数（支持严格模式和所有环境） const getGlobalObject = () => { // 1. 优先使用现代标准 globalThis if (typeof globalThis !== 'undefined') return globalThis; // 2. 处理严格模式限制 try { const globalFromFn = Function('return this')(); if (globalFromFn) return globalFromFn; } catch (e) { console.warn('[EnvFix] Function constructor blocked in strict mode'); } // 3. 环境特定对象 if (typeof global !== 'undefined') return global; // Node.js if (typeof window !== 'undefined') return window; // 浏览器 if (typeof self !== 'undefined') return self; // Web Worker // 4. Cocos Creator 原生环境特殊处理 if (typeof cc !== 'undefined' && cc.sys && cc.sys.globalAdapter) { return cc.sys.globalAdapter; } // 5. 最后手段：创建新的全局对象 console.error('[EnvFix] Unable to determine global object, creating new'); return {}; }; const globalObj = getGlobalObject(); // 修复关键全局变量（使用 Object.defineProperty 防止覆盖） const defineGlobal = (name, value) => { if (typeof globalObj[name] === 'undefined') { Object.defineProperty(globalObj, name, { value, writable: true, configurable: true, enumerable: true }); console.log([EnvFix] Defined global: ${name}); } }; // 定义关键全局对象 defineGlobal('global', globalObj); defineGlobal('self', globalObj); defineGlobal('globalThis', globalObj); defineGlobal('window', globalObj); // 原生平台特殊处理 if (cc && cc.sys && cc.sys.isNative) { // 确保 XMLHttpRequest 存在 if (typeof XMLHttpRequest === 'undefined') { defineGlobal('XMLHttpRequest', function() { return cc.loader.getXMLHttpRequest(); }); } // 确保 document 对象存在 if (typeof document === 'undefined') { defineGlobal('document', { createElement: () => ({ appendChild: () => {} }), head: { appendChild: () => {} }, body: { appendChild: () => {} } }); } // 确保 location 对象存在 if (typeof location === 'undefined') { defineGlobal('location', { href: 'file://', protocol: 'file:', hostname: 'localhost', host: 'localhost', origin: 'file://' }); } console.log('[EnvFix] Native environment patched'); } // 确保 require 函数存在 if (typeof globalObj.require === 'undefined') { defineGlobal('require', function(module) { if (globalObj.modules && globalObj.modules[module]) { return globalObj.__modules[module]; } console.warn([RequireFallback] Module '${module}' not found); return {}; }); } })(); // ====== 引擎初始化保护系统 ====== const EngineReady = (function() { let _promise = null; let _resolve = null; let _isReady = false; let _checkInterval = null; const safeCheckEngine = () => { // 引擎已初始化 if (cc && cc.game && cc.game._isEngineInited) { return true; } // 尝试监听初始化事件 if (cc && cc.game && cc.game.once) { const eventName = cc.game.EVENT_ENGINE_INITED || 'engine-inited'; cc.game.once(eventName, () => { _resolve && _resolve(); _isReady = true; _checkInterval && clearInterval(_checkInterval); }); return true; } return false; }; return { get isReady() { return _isReady; }, get promise() { return _promise; }, init() { if (!_promise) { _promise = new Promise(resolve => { _resolve = () => { _isReady = true; resolve(); _checkInterval && clearInterval(_checkInterval); }; // 首次检查 if (safeCheckEngine()) return; // 轮询检查 _checkInterval = setInterval(() => { safeCheckEngine() && _resolve(); }, 100); }); } return _promise; }, safeAccess(callback) { if (_isReady) { try { return callback(); } catch (e) { console.error('[EngineSafe] Error:', e); } } return _promise.then(callback).catch(e => { console.error('[EngineSafe] Async error:', e); }); } }; })(); EngineReady.init(); // ====== 游戏主入口 ====== async function gameMainEntry() { try { console.log('[Main] Waiting for engine initialization...'); await EngineReady.promise; console.log('[Main] Engine ready'); // 基本引擎配置 EngineReady.safeAccess(() => { if (cc.view) { cc.view.enableRetina(true); cc.view.resizeWithBrowserSize(true); cc.view.setDesignResolutionSize(960, 640, cc.ResolutionPolicy.SHOW_ALL); } }); // 加载SDK await loadGravityEngineSDK(); // 加载启动场景 await loadStartScene(); } catch (error) { console.error('[Main] Initialization failed:', error); try { cc.director.loadScene('start'); } catch (fallbackError) { displayErrorFallback('启动失败\n请重启应用'); } } } // 错误显示后备方案 function displayErrorFallback(message) { try { const errorDiv = document.createElement('div'); errorDiv.style.cssText = position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: black; color: white; display: flex; justify-content: center; align-items: center; z-index: 9999; font: 24px Arial, sans-serif; text-align: center; white-space: pre-line; padding: 20px; ; errorDiv.textContent = message; document.body.appendChild(errorDiv); } catch (e) { console.error('[Fallback] Display failed:', e); } } // ====== SDK加载器增强版 ====== async function loadGravityEngineSDK() { // 使用相对路径解决加载问题 const sdkPaths = [ './assets/_plugs/lib/gravityengine.mg.cocoscreator.min.js', '_plugs/lib/gravityengine.mg.cocoscreator.min.js', 'lib/gravityengine.mg.cocoscreator.min.js' ]; for (const path of sdkPaths) { try { // 关键修复：在加载 SDK 前确保全局对象完整 ensureGlobalEnvironment(); // JSB 特殊处理：使用 require 加载 if (cc.sys.isNative && cc.sys.globalAdapter?.require) { cc.sys.globalAdapter.require(path); console.log('[SDK] Native require loaded:', path); } else { await loadScript(path); console.log('[SDK] Loaded from:', path); } // 关键修复：加载后再次检查全局对象 ensureGlobalEnvironment(); initGravityEngine(); return; } catch (e) { console.warn('[SDK] Load failed:', path, e.message); } } console.error('[SDK] All paths failed'); handleSDKLoadFailure(); } function ensureGlobalEnvironment() { // 获取全局对象 const getGlobalObject = () => { if (typeof globalThis !== 'undefined') return globalThis; if (typeof global !== 'undefined') return global; if (typeof window !== 'undefined') return window; if (typeof self !== 'undefined') return self; return Function('return this')() || {}; }; const globalObj = getGlobalObject(); // 确保 self 在所有环境中都存在 if (typeof self === 'undefined') { console.warn('[GlobalFix] self is undefined, patching...'); Object.defineProperty(globalObj, 'self', { value: globalObj, writable: true, configurable: true, enumerable: true }); } // 确保其他关键全局对象存在 const requiredGlobals = ['window', 'global', 'globalThis', 'document', 'location']; requiredGlobals.forEach(name => { if (typeof globalObj[name] === 'undefined') { console.warn([GlobalFix] ${name} is undefined, patching...); Object.defineProperty(globalObj, name, { value: globalObj, writable: true, configurable: true, enumerable: true }); } }); // 原生平台特殊处理 if (cc && cc.sys && cc.sys.isNative) { // 确保 location 对象存在 if (typeof location === 'undefined') { Object.defineProperty(globalObj, 'location', { value: { href: 'file://', protocol: 'file:', hostname: 'localhost' }, writable: false, configurable: false, enumerable: true }); } } } function loadScript(path) { return new Promise((resolve, reject) => { // 优先使用 Cocos 的加载系统 if (cc.assetManager?.loadScript) { cc.assetManager.loadScript(path, (err) => { if (err) { // 原生平台特殊处理 if (cc.sys.isNative) { console.warn('[SDK] Using native fallback for script loading'); try { // 原生平台直接执行脚本 const jsb = cc.sys.__globalAdapter; if (jsb && jsb.require) { jsb.require(path); return resolve(); } } catch (nativeError) { console.error('[SDK] Native require failed:', nativeError); } } reject(err); } else { resolve(); } }); return; } // 后备方案：直接创建 script 标签 try { const script = document.createElement('script'); script.src = path; script.onload = () => resolve(); script.onerror = () => reject(new Error(Failed to load ${path})); document.head.appendChild(script); console.warn('[SDK] Using DOM fallback for script loading'); } catch (e) { reject(e); } }); } function initGravityEngine() { let GravityEngine = null; // 1. 尝试标准方式获取 if (typeof GravityEngine === 'function') { console.log('[SDK] GravityEngine found in local scope'); } // 2. 尝试从全局对象中查找 else if (typeof window.GravityEngine === 'function') { GravityEngine = window.GravityEngine; console.warn('[SDK] Found GravityEngine in window object'); } // 3. 尝试从其他全局对象中查找 else if (typeof global.GravityEngine === 'function') { GravityEngine = global.GravityEngine; console.warn('[SDK] Found GravityEngine in global object'); } // 4. 尝试从 self 对象中查找 else if (typeof self.GravityEngine === 'function') { GravityEngine = self.GravityEngine; console.warn('[SDK] Found GravityEngine in self object'); } // 5. 最后尝试从 globalThis 中查找 else if (typeof globalThis.GravityEngine === 'function') { GravityEngine = globalThis.GravityEngine; console.warn('[SDK] Found GravityEngine in globalThis object'); } else { console.error('[SDK] GravityEngine not found'); return; } try { // 使用您的 AppID 624768904 GravityEngine.init({ appId: '624768904', enableLog: true }); console.log('[SDK] GravityEngine initialized with AppID 624768904'); } catch (e) { console.error('[SDK] Init failed:', e); } } function handleSDKLoadFailure() { console.warn('[SDK] Using fallback analytics'); window.GravityEngine = { init: () => console.warn('SDK unavailable'), trackEvent: () => {} }; } // ====== 场景加载器 ====== async function loadStartScene() { try { // 加载主资源包 await new Promise((resolve) => { if (!cc.assetManager?.loadBundle) { console.warn('[Scene] AssetManager unavailable'); return resolve(); } cc.assetManager.loadBundle('main', (err) => { if (err) console.error('[Scene] Bundle load error:', err); resolve(); }); }); // 加载场景 if (cc.director?.loadScene) { cc.director.loadScene('start'); } else { throw new Error('Director unavailable'); } } catch (error) { console.error('[Scene] Load failed:', error); try { cc.director.loadScene('start'); } catch (e) { throw new Error('Fallback scene load failed'); } } } // ====== UI_Entry组件 ====== const { ccclass, property } = cc._decorator; @ccclass export default class UI_Entry extends cc.Component { @property(cc.ProgressBar) progress_loading = null; loginTimeoutHandler = null; onLoad() { EngineReady.safeAccess(() => { try { cc.director.getCollisionManager().enabled = true; this._show(); } catch (e) { console.error('[UI] onLoad error:', e); this.startLoadGame(); } }).catch(e => { console.error('[UI] Engine access error:', e); this.startLoadGame(); }); } onDestroy() { this.loginTimeoutHandler && cc.Tween.stop(this.loginTimeoutHandler); } async _show() { this.progress_loading.progress = 0; // 平台SDK初始化 if (cc.sys.isBrowser) { try { await this.initYPSDK(); } catch (e) { console.error('[YPSDK] Init failed:', e); this.startLoadGame(); } } else { this.startLoadGame(); } // 登录超时保护 this.setLoginTimeout(); } setLoginTimeout() { if (cc.tween) { this.loginTimeoutHandler = cc.tween(this) .delay(10) .call(() => { console.warn('[Login] Timeout after 10s'); this.startLoadGame(); }) .start(); } else { setTimeout(() => this.startLoadGame(), 10000); } } async initYPSDK() { if (typeof YPSDK === 'undefined') { console.warn('[YPSDK] SDK unavailable'); return; } const config = { gameChannelList: { h5: { platformType: "h5", version: "1.0.0" }, tt: { platformType: "tt", appId: "tt09297f94961f881b02" }, wx: { platformType: "wx", appId: "wx6baaaa27ab5186ff" } } }; await YPSDK.init(39, "https://platform-shop-dev.hanyougame.com", config); await YPSDK.login(); if (YPSDK.setLoginCallBack) { YPSDK.setLoginCallBack(success => { if (!success) return; // 取消超时 this.loginTimeoutHandler && cc.Tween.stop(this.loginTimeoutHandler); // 初始化分析SDK if (r_GravityPlatform.default?.GA_Init) { r_GravityPlatform.default.GA_Init(YPSDK.Platform.loginData.bindingId); } this.startLoadGame(); }); } else { this.startLoadGame(); } } startLoadGame() { const tasks = [ this._loadGameConfig, this._loadRemoteConfig, this._loadExcelData, this._loadUserData, this._loadCommonBundle, this._loadMainBundle ].map(fn => fn.bind(this)); this.executeTasks(tasks, () => this._loadGame()); } executeTasks(tasks, finalCallback) { let completed = 0; const total = tasks.length; const runTask = async (index) => { if (index >= total) { finalCallback(); return; } try { await tasks[index](); completed++; this._setProgress(completed / total); runTask(index + 1); } catch (e) { console.error([Task ${index}] Failed:, e); completed++; this._setProgress(completed / total); runTask(index + 1); // 继续执行后续任务 } }; runTask(0); } async _loadExcelData() { if (!r_ExcelLoader?.ExcelLoader?.loadAll) { console.warn('[Data] ExcelLoader unavailable'); return; } await r_ExcelLoader.ExcelLoader.loadAll(); console.log('[Data] Excel loaded'); } async _loadGameConfig() { if (!r_ResLoader.default?.loadRes) { console.warn('[Config] ResLoader unavailable'); return; } const jsonAsset = await r_ResLoader.default.loadRes( "resources", "config/GameConfig", cc.JsonAsset ); if (jsonAsset && r_GameConfig.default) { r_GameConfig.default.appConfig = jsonAsset.json; jsonAsset.decRef && jsonAsset.decRef(); console.log('[Config] Game config loaded'); } } async _loadRemoteConfig() { if (!r_GameConfig.default?.appConfig?.RemoteUrl) { console.warn('[Config] RemoteUrl not set'); return; } const remoteUrl = r_GameConfig.default.appConfig.RemoteUrl; const remotePath = cc.path.join(remoteUrl, "ADConfig.json"); try { const remoteConfig = await r_ResLoader.default.loadRemote(remotePath, { ext: ".json" }); if (remoteConfig?.json && r_GravityPlatform.default) { r_GravityPlatform.default.videoId = remoteConfig.json.ADUnitId[0]; r_GameConfig.default.adConfig = remoteConfig.json; console.log('[Config] Remote config loaded'); } } catch (e) { console.error('[Config] Remote load failed:', e); } } async _loadCommonBundle() { if (!r_ResLoader.default?.loadBundle) { console.warn('[Bundle] ResLoader unavailable'); return; } try { await r_ResLoader.default.loadBundle(r_BundleConfig.BundleNames.Common); console.log('[Bundle] Common loaded'); } catch (e) { console.error('[Bundle] Common load failed:', e); } } async _loadMainBundle() { if (!r_ResLoader.default?.loadBundle) { console.warn('[Bundle] ResLoader unavailable'); return; } try { await r_ResLoader.default.loadBundle(r_BundleConfig.MainGameBundle); console.log('[Bundle] Main loaded'); } catch (e) { console.error('[Bundle] Main load failed:', e); } } async _loadUserData() { try { // 音频初始化 r_AudioManager.AudioMgr?.init(); // 全局配置 r_GameGlobalVariable.GameGlobalVariable?.initPeiZhi(); // 网络检测 if (YPSDK?.Common?.curChannelData) { const platformType = YPSDK.Common.curChannelData.platformType; if (platformType === YPSDK.GamePlatformType.WX || platformType === YPSDK.GamePlatformType.TT) { r_YpNetMag.YpNetMag?.failSever(() => { r_YpNetMag.YpNetMag.isFail = true; }); } } // 用户数据初始化 if (YPSDK?.Platform?.loginData) { await r_YpNetMag.YpNetMag?.initServer(YPSDK.Platform.loginData); } } catch (e) { console.error('[User] Load failed:', e); } } _loadGame() { try { const guideIndex = r_PlayerDataManager.PlayerDataMgr.GetGuideIndexByTaskName( r_Const_Common.GuideName.战斗背包 ); if (guideIndex !== r_Const_Common.GameBagGuideIndex.引导完结) { // 新玩家流程 r_PlayerDataManager.PlayerDataMgr.GMSetGuideIndex?.( r_Const_Common.GuideName.战斗背包, r_Const_Common.GameBagGuideIndex.引导初始1 ); r_GameDataManager.GameDataMgr?.ClearGameBagData(); r_GameGlobalVariable.GameGlobalVariable.nowlevel = 1; r_UIManager.default?.open( r_BundleConfig.BundleNames.Game, r_UIConfig_Game.UIView_Game.UI_GameView ); } else { // 老玩家流程 r_EventManager.EventMgr?.dispatchEvent(r_EvenType.EVENT_TYPE.Game_Load_View, true); r_UIManager.default?.open( r_BundleConfig.BundleNames.Home, r_UIConfig_Home.UIView_Home.UI_Hall ); } // 白名单检查 this.checkWhiteList(); } catch (e) { console.error('[Game] Load failed:', e); try { cc.director.loadScene('start'); } catch (sceneError) { console.error('[Game] Scene load failed:', sceneError); } } } async checkWhiteList() { try { if (!YPSDK?.Platform?.loginData || !YPSDK.platformUrl) return; const url = ${YPSDK.platformUrl}/User/GetCfgData?userId=${YPSDK.Platform.loginData.userUid}&keyId=NoVideo; if (r_HttpManager.HttpMgr?.requestData) { r_HttpManager.HttpMgr.requestData(res => { if (res?.data?.keyData === "true") { r_PlayerDataManager.PlayerDataMgr.WHITE_NAME_NO_VIDEO = true; } }, url); } } catch (e) { console.error('[WhiteList] Check failed:', e); } } _setProgress(progress) { if (!this.progress_loading) return; this.progress_loading.progress = Math.max(0, Math.min(1, progress)); } } // ====== 启动游戏 ====== if (cc?.game?.run) { cc.game.run(() => { // 确保环境修复完成 ensureGlobalEnvironment(); gameMainEntry(); }); } else { setTimeout(() => { ensureGlobalEnvironment(); gameMainEntry(); }, 1000); } 针对上述问题给我修改后的完整代码

console.warn('[EnvFix] Function constructor blocked in strict mode'); } // 3. 环境特定对象 if (typeof global !== 'undefined') return global; // Node.js if (typeof window !== 'undefined') return...

// == 工业PDA虚拟串口模块 == 'use strict'; /==== 增强版虚拟串口 ===/ class VirtualSerial { constructor(port = 'COM3') { this.port = port; // 串口状态管理 this.dataHandler = null; this.isConnected = false; this._retryCount = 0; } // 打开串口连接 open(baudRate, callback) { this.isConnected = true; console.log([${this.port}] 已连接 (${baudRate}bps)); // 修正字符串插值语法 this.dataHandler = callback; this._startHeartbeat(); } // 数据发送方法 send(data) { if (this.isConnected && this.dataHandler) { setTimeout(() => { try { this.dataHandler(ACK:${data}); // 添加确认机制 } catch (e) { console.error('数据处理失败:', e); } }, 100); } } // 关闭连接 close() { this.isConnected = false; console.log([${this.port}] 连接已关闭); clearInterval(this._heartbeatInterval); } /*==== 增强功能 ===

console.error(打开端口${this.portName}失败:, error); throw new SerialException('PORT_OPEN_FAILED'); } } // 添加错误回调接口 setErrorHandler(callback) { this.onError = callback || console.error;...

// ====== 环境修复与全局对象安全 ====== (function() { // 确保全局对象存在 const getGlobalObject = () => { if (typeof globalThis !== 'undefined') return globalThis; if (typeof global !== 'undefined') return global; if (typeof window !== 'undefined') return window; if (typeof self !== 'undefined') return self; return Function('return this')() || {}; }; const globalObj = getGlobalObject(); // 修复全局变量 if (typeof global === 'undefined') global = globalObj; if (typeof self === 'undefined') self = globalObj; if (typeof globalThis === 'undefined') globalThis = globalObj; // 确保require函数存在（关键修复） if (typeof globalObj.require === 'undefined') { globalObj.require = function(module) { // 简单实现require功能 if (globalObj.modules && globalObj.modules[module]) { return globalObj.__modules[module]; } console.warn([RequireFallback] Module '${module}' not found); return {}; }; console.log('[EnvFix] Created fallback require function'); } })(); // ====== 引擎初始化保护系统 ====== const EngineReady = (function() { let _promise = null; let _resolve = null; let _isReady = false; let _checkInterval = null; const safeCheckEngine = () => { // 引擎已初始化 if (cc && cc.game && cc.game._isEngineInited) { return true; } // 尝试监听初始化事件 if (cc && cc.game && cc.game.once) { const eventName = cc.game.EVENT_ENGINE_INITED || 'engine-inited'; cc.game.once(eventName, () => { _resolve && _resolve(); _isReady = true; _checkInterval && clearInterval(_checkInterval); }); return true; } return false; }; return { get isReady() { return _isReady; }, get promise() { return _promise; }, init() { if (!_promise) { _promise = new Promise(resolve => { _resolve = () => { _isReady = true; resolve(); _checkInterval && clearInterval(_checkInterval); }; // 首次检查 if (safeCheckEngine()) return; // 轮询检查 _checkInterval = setInterval(() => { safeCheckEngine() && _resolve(); }, 100); }); } return _promise; }, safeAccess(callback) { if (_isReady) { try { return callback(); } catch (e) { console.error('[EngineSafe] Error:', e); } } return _promise.then(callback).catch(e => { console.error('[EngineSafe] Async error:', e); }); } }; })(); EngineReady.init(); // ====== 游戏主入口 ====== async function gameMainEntry() { try { console.log('[Main] Waiting for engine initialization...'); await EngineReady.promise; console.log('[Main] Engine ready'); // 基本引擎配置 EngineReady.safeAccess(() => { if (cc.view) { cc.view.enableRetina(true); cc.view.resizeWithBrowserSize(true); cc.view.setDesignResolutionSize(960, 640, cc.ResolutionPolicy.SHOW_ALL); } }); // 加载SDK await loadGravityEngineSDK(); // 加载启动场景 await loadStartScene(); } catch (error) { console.error('[Main] Initialization failed:', error); try { cc.director.loadScene('start'); } catch (fallbackError) { displayErrorFallback('启动失败\n请重启应用'); } } } // 错误显示后备方案 function displayErrorFallback(message) { try { const errorDiv = document.createElement('div'); errorDiv.style.cssText = position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: black; color: white; display: flex; justify-content: center; align-items: center; z-index: 9999; font: 24px Arial, sans-serif; text-align: center; white-space: pre-line; padding: 20px; ; errorDiv.textContent = message; document.body.appendChild(errorDiv); } catch (e) { console.error('[Fallback] Display failed:', e); } } // ====== SDK加载器 ====== async function loadGravityEngineSDK() { // 使用相对路径解决加载问题 const sdkPaths = [ './assets/_plugs/lib/gravityengine.mg.cocoscreator.min.js', '_plugs/lib/gravityengine.mg.cocoscreator.min.js', 'lib/gravityengine.mg.cocoscreator.min.js' ]; for (const path of sdkPaths) { try { await loadScript(path); console.log('[SDK] Loaded from:', path); initGravityEngine(); return; } catch (e) { console.warn('[SDK] Load failed:', path, e.message); } } console.error('[SDK] All paths failed'); handleSDKLoadFailure(); } function loadScript(path) { return new Promise((resolve, reject) => { // 优先使用Cocos的加载系统 if (cc.assetManager?.loadScript) { cc.assetManager.loadScript(path, (err) => { if (err) { reject(err); } else { resolve(); } }); return; } // 后备方案：直接创建script标签 try { const script = document.createElement('script'); script.src = path; script.onload = resolve; script.onerror = () => reject(new Error(Failed to load ${path})); document.head.appendChild(script); console.warn('[SDK] Using DOM fallback for script loading'); } catch (e) { reject(e); } }); } function initGravityEngine() { if (typeof GravityEngine !== 'function') { console.error('[SDK] GravityEngine not found'); return; } try { // 使用您的AppID 624768904 GravityEngine.init({ appId: '624768904', enableLog: true }); console.log('[SDK] GravityEngine initialized with AppID 624768904'); } catch (e) { console.error('[SDK] Init failed:', e); } } function handleSDKLoadFailure() { console.warn('[SDK] Using fallback analytics'); window.GravityEngine = { init: () => console.warn('SDK unavailable'), trackEvent: () => {} }; } // ====== 场景加载器 ====== async function loadStartScene() { try { // 加载主资源包 await new Promise((resolve) => { if (!cc.assetManager?.loadBundle) { console.warn('[Scene] AssetManager unavailable'); return resolve(); } cc.assetManager.loadBundle('main', (err) => { if (err) console.error('[Scene] Bundle load error:', err); resolve(); }); }); // 加载场景 if (cc.director?.loadScene) { cc.director.loadScene('start'); } else { throw new Error('Director unavailable'); } } catch (error) { console.error('[Scene] Load failed:', error); try { cc.director.loadScene('start'); } catch (e) { throw new Error('Fallback scene load failed'); } } } // ====== UI_Entry组件 ====== const { ccclass, property } = cc._decorator; @ccclass export default class UI_Entry extends cc.Component { @property(cc.ProgressBar) progress_loading = null; loginTimeoutHandler = null; onLoad() { EngineReady.safeAccess(() => { try { cc.director.getCollisionManager().enabled = true; this._show(); } catch (e) { console.error('[UI] onLoad error:', e); this.startLoadGame(); } }).catch(e => { console.error('[UI] Engine access error:', e); this.startLoadGame(); }); } onDestroy() { this.loginTimeoutHandler && cc.Tween.stop(this.loginTimeoutHandler); } async _show() { this.progress_loading.progress = 0; // 平台SDK初始化 if (cc.sys.isBrowser) { try { await this.initYPSDK(); } catch (e) { console.error('[YPSDK] Init failed:', e); this.startLoadGame(); } } else { this.startLoadGame(); } // 登录超时保护 this.setLoginTimeout(); } setLoginTimeout() { if (cc.tween) { this.loginTimeoutHandler = cc.tween(this) .delay(10) .call(() => { console.warn('[Login] Timeout after 10s'); this.startLoadGame(); }) .start(); } else { setTimeout(() => this.startLoadGame(), 10000); } } async initYPSDK() { if (typeof YPSDK === 'undefined') { console.warn('[YPSDK] SDK unavailable'); return; } const config = { gameChannelList: { h5: { platformType: "h5", version: "1.0.0" }, tt: { platformType: "tt", appId: "tt09297f94961f881b02" }, wx: { platformType: "wx", appId: "wx6baaaa27ab5186ff" } } }; await YPSDK.init(39, "https://platform-shop-dev.hanyougame.com", config); await YPSDK.login(); if (YPSDK.setLoginCallBack) { YPSDK.setLoginCallBack(success => { if (!success) return; // 取消超时 this.loginTimeoutHandler && cc.Tween.stop(this.loginTimeoutHandler); // 初始化分析SDK if (r_GravityPlatform.default?.GA_Init) { r_GravityPlatform.default.GA_Init(YPSDK.Platform.loginData.bindingId); } this.startLoadGame(); }); } else { this.startLoadGame(); } } startLoadGame() { const tasks = [ this._loadGameConfig, this._loadRemoteConfig, this._loadExcelData, this._loadUserData, this._loadCommonBundle, this._loadMainBundle ].map(fn => fn.bind(this)); this.executeTasks(tasks, () => this._loadGame()); } executeTasks(tasks, finalCallback) { let completed = 0; const total = tasks.length; const runTask = async (index) => { if (index >= total) { finalCallback(); return; } try { await tasks[index](); completed++; this._setProgress(completed / total); runTask(index + 1); } catch (e) { console.error([Task ${index}] Failed:, e); completed++; this._setProgress(completed / total); runTask(index + 1); // 继续执行后续任务 } }; runTask(0); } async _loadExcelData() { if (!r_ExcelLoader?.ExcelLoader?.loadAll) { console.warn('[Data] ExcelLoader unavailable'); return; } await r_ExcelLoader.ExcelLoader.loadAll(); console.log('[Data] Excel loaded'); } async _loadGameConfig() { if (!r_ResLoader.default?.loadRes) { console.warn('[Config] ResLoader unavailable'); return; } const jsonAsset = await r_ResLoader.default.loadRes( "resources", "config/GameConfig", cc.JsonAsset ); if (jsonAsset && r_GameConfig.default) { r_GameConfig.default.appConfig = jsonAsset.json; jsonAsset.decRef && jsonAsset.decRef(); console.log('[Config] Game config loaded'); } } async _loadRemoteConfig() { if (!r_GameConfig.default?.appConfig?.RemoteUrl) { console.warn('[Config] RemoteUrl not set'); return; } const remoteUrl = r_GameConfig.default.appConfig.RemoteUrl; const remotePath = cc.path.join(remoteUrl, "ADConfig.json"); try { const remoteConfig = await r_ResLoader.default.loadRemote(remotePath, { ext: ".json" }); if (remoteConfig?.json && r_GravityPlatform.default) { r_GravityPlatform.default.videoId = remoteConfig.json.ADUnitId[0]; r_GameConfig.default.adConfig = remoteConfig.json; console.log('[Config] Remote config loaded'); } } catch (e) { console.error('[Config] Remote load failed:', e); } } async _loadCommonBundle() { if (!r_ResLoader.default?.loadBundle) { console.warn('[Bundle] ResLoader unavailable'); return; } try { await r_ResLoader.default.loadBundle(r_BundleConfig.BundleNames.Common); console.log('[Bundle] Common loaded'); } catch (e) { console.error('[Bundle] Common load failed:', e); } } async _loadMainBundle() { if (!r_ResLoader.default?.loadBundle) { console.warn('[Bundle] ResLoader unavailable'); return; } try { await r_ResLoader.default.loadBundle(r_BundleConfig.MainGameBundle); console.log('[Bundle] Main loaded'); } catch (e) { console.error('[Bundle] Main load failed:', e); } } async _loadUserData() { try { // 音频初始化 r_AudioManager.AudioMgr?.init(); // 全局配置 r_GameGlobalVariable.GameGlobalVariable?.initPeiZhi(); // 网络检测 if (YPSDK?.Common?.curChannelData) { const platformType = YPSDK.Common.curChannelData.platformType; if (platformType === YPSDK.GamePlatformType.WX || platformType === YPSDK.GamePlatformType.TT) { r_YpNetMag.YpNetMag?.failSever(() => { r_YpNetMag.YpNetMag.isFail = true; }); } } // 用户数据初始化 if (YPSDK?.Platform?.loginData) { await r_YpNetMag.YpNetMag?.initServer(YPSDK.Platform.loginData); } } catch (e) { console.error('[User] Load failed:', e); } } _loadGame() { try { const guideIndex = r_PlayerDataManager.PlayerDataMgr.GetGuideIndexByTaskName( r_Const_Common.GuideName.战斗背包 ); if (guideIndex !== r_Const_Common.GameBagGuideIndex.引导完结) { // 新玩家流程 r_PlayerDataManager.PlayerDataMgr.GMSetGuideIndex?.( r_Const_Common.GuideName.战斗背包, r_Const_Common.GameBagGuideIndex.引导初始1 ); r_GameDataManager.GameDataMgr?.ClearGameBagData(); r_GameGlobalVariable.GameGlobalVariable.nowlevel = 1; r_UIManager.default?.open( r_BundleConfig.BundleNames.Game, r_UIConfig_Game.UIView_Game.UI_GameView ); } else { // 老玩家流程 r_EventManager.EventMgr?.dispatchEvent(r_EvenType.EVENT_TYPE.Game_Load_View, true); r_UIManager.default?.open( r_BundleConfig.BundleNames.Home, r_UIConfig_Home.UIView_Home.UI_Hall ); } // 白名单检查 this.checkWhiteList(); } catch (e) { console.error('[Game] Load failed:', e); try { cc.director.loadScene('start'); } catch (sceneError) { console.error('[Game] Scene load failed:', sceneError); } } } async checkWhiteList() { try { if (!YPSDK?.Platform?.loginData || !YPSDK.platformUrl) return; const url = ${YPSDK.platformUrl}/User/GetCfgData?userId=${YPSDK.Platform.loginData.userUid}&keyId=NoVideo; if (r_HttpManager.HttpMgr?.requestData) { r_HttpManager.HttpMgr.requestData(res => { if (res?.data?.keyData === "true") { r_PlayerDataManager.PlayerDataMgr.WHITE_NAME_NO_VIDEO = true; } }, url); } } catch (e) { console.error('[WhiteList] Check failed:', e); } } _setProgress(progress) { if (!this.progress_loading) return; this.progress_loading.progress = Math.max(0, Math.min(1, progress)); } } // ====== 启动游戏 ====== if (cc?.game?.run) { cc.game.run(gameMainEntry); } else { setTimeout(gameMainEntry, 1000); } 我的代码你已经给我修改过了依旧出现这个错误

console.warn('[EnvFix] Function constructor blocked in strict mode'); } // 环境特定对象 if (typeof global !== 'undefined') return global; // Node.js if (typeof window !== 'undefined') return ...

TypeError: WS is not a constructor at WebSocketStream (mqtt.min.js? [sm]:1) at createWebSocket (mqtt.min.js? [sm]:1) at Object.buildBuilderBrowser (mqtt.min.js? [sm]:1) at MqttClient.wrapper [as streamBuilder] (mqtt.min.js? [sm]:1) at MqttClient._setupStream (mqtt.min.js? [sm]:1) at new MqttClient (mqtt.min.js? [sm]:1) at Function.connect (mqtt.min.js? [sm]:1) at li.onLoad (home.js? [sm]:43) at li.<anonymous> (VM15444 WASubContext.js:1) at li.c.callPageLifeTime (VM15444 WASubContext.js:1)(env: Windows,mp,1.06.2504010; lib: 3.8.11) 下述代码出现上述报错： var mqtt = require('../../utils/mqtt.min.js') const crypto = require('../../utils/crypto'); Page({ data: { motionData: [ { actionType: '大幅度动作', count: 19}, { actionType: '小幅度动作', count: 39 }, { actionType: '上半身动作', count: 15}, { actionType: '下半身动作', count: 24 } ], vitalSigns: { breath: 18, // 呼吸数值 heartRate: 76 // 心率数值 }, sleepStageDescription: '', // 睡眠阶段描述 currentAction: null, // 当前动作 client: null, // mqttAccountInfo: { // productKey: "0ee6d6edd8", // deviceName: "6876033432771f177b4c49bb_mini_app", // deviceSecret: "88888888", // }, }, // sendCommand() { // this.data.client.publish('v1/M2M/#',function (err) { // if (!err) { // console.log('订阅成功！'); // } // }); // 发布消息 // }, onUnload() { this.data.client.end(); // 断开连接 }, onLoad: function() { const client = mqtt.connect('wss://0ee6d6edd8.st1.iotda-app.cn-north-4.myhuaweicloud.com:8883/mqtt', { clientId: '6876033432771f177b4c49bb_vibrating_sensor_0_0_2025072314', username: '6876033432771f177b4c49bb_vibrating_sensor', password: '115f940c0c261063d7238461e9de2ee065c1464cbff685d4eb488114425a97de', protocolVersion: 4 }); client.on('connect', () => { console.log('MQTT连接成功'); client.subscribe('v1/M2M/#',function (err) { if (!err) { console.log('订阅成功！'); } }); // 如果这些方法依赖于MQTT连接后的数据 this.updateSleepStageDescription(); this.updateCurrentAction(); }); client.on('message', (topic, message) => { console.log(收到消息: ${message.toString()} 主题: ${topic}); }); this.setData({ client }); }, updateSleepStageDescription: function () { const { motionData } = this.data; // 假设根据动作次数判断睡眠阶段 let sleepStage = ''; // 简单逻辑来判断睡眠阶段（可以根据动作数据的具体情况调整） if (motionData[0].count > 20 && motionData[1].count > 20) { sleepStage = '深度睡眠（动作较少）'; } else if (motionData[0].count < 20 && motionData[1].count < 20) { sleepStage = '浅度睡眠（动作较多）'; } else { sleepStage = '浅睡眠'; } // 更新睡眠阶段描述 this.setData({ sleepStageDescription: sleepStage }); }, updateCurrentAction: function () { // 模拟外部数据，动态更新当前动作 const actions = [ { name: '平躺', image: '../../images/lie-flat.jpg' }, { name: '侧翻', image: '../../images/roll-over.jpg' }, { name: '曲腿', image: '../../images/bend-leg.jpg' }, { name: '曲臂', image: '../../images/bend-arm.jpg' }, { name: '转头', image: '../../images/turn-head.jpg' } ]; // 假设根据某种逻辑选择当前动作 const currentAction = actions[Math.floor(Math.random() * actions.length)]; this.setData({ currentAction }); }, // doConnect() { // let that = this // const options = this.initMqttOptions(); // this.data.client = mqtt.connect('wss://' + this.data.mqttAccountInfo.productKey + '.st1.iotda-device.cn-north-4.myhuaweicloud.com',options) // this.data.client.on('connect', function () { // console.log('连接服务器成功') // that.data.client.subscribe('/v1/M2M/#', function (err) { // if (!err) { // console.log('订阅成功！'); // } // }) // }) // //接收消息监听 // that.data.client.on('message', function (topic, message) { // let msg = message.toString(); // console.log('收到消息：' + msg); // that.setData({ // sensorList: JSON.parse(message) // }) // }) // }, // unconnect() { // this.data.client.end(); // this.data.client = null; // console.log("断开连接") // }, // //IoT平台mqtt连接参数初始化 // initMqttOptions() { // const params = { // productKey: this.data.mqttAccountInfo.productKey, // deviceName: this.data.mqttAccountInfo.deviceName, // deviceSecret: this.data.mqttAccountInfo.deviceSecret, // timestamp: Date.now(), // } // //生成clientId，username，password // const contentStr = "clientId" + params.clientId + "deviceName" + params.deviceName + "productKey" + params.productKey + "timestamp" + params.timestamp; // const clientId = ${params.clientId}|securemode=2,signmethod=hmacsha1,timestamp=${params.timestamp}|; // const username = ${params.deviceName}&${params.productKey}; // //const password = 'dff0d64ad1bdf0651ed744d2b75b885fc1675a41d0ab26fe7ddd03722bb4db03'; // const password = crypto.HmacSHA1(contentStr, params.deviceSecret).toString(); // const options = { // wsOptions: {}, // protocolVersion: 4, //MQTT连接协议版本 // clientId: clientId, // keepalive: 60, // clean: false, // username: username, // password: password, // reconnectPeriod: 1000, //1000毫秒，两次重新连接之间的间隔 // connectTimeout: 30 * 1000, //1000毫秒，两次重新连接之间的间隔 // resubscribe: true //如果连接断开并重新连接，则会再次自动订阅已订阅的主题（默认true） // } // return options; // }, // buttonChange: function (e) { // this.data.sensorList[e.currentTarget.dataset.param].value = !this.data.sensorList[e.currentTarget.dataset.param].value // console.log(this.data.sensorList) // this.data.sendData = this.data.sensorList // this.publish() // } });

我们正在处理微信小程序中使用MQTT时出现的错误：TypeError: WS is not a constructor。根据引用[1]中的信息，在uniapp中，他们通过条件编译分别处理H5和APP-PLUS平台，其中H5使用ws://，APP-PLUS使用wx://...

// index.js - 优化版首页逻辑 const app = getApp(); Page({ data: { // 统计数据 totalOrders: 0, totalProducts: 0, totalMaterials: 0, totalStock: 0, // 搜索条件 orderSearch: '', productSearch: '', materialSearch: '', woodSearch: '', thicknessSearch: '', minStock: '', maxStock: '', // 结果数据 loading: true, results: [], filteredResults: [], resultCount: 0, lastUpdate: '--:--:--', // 排序 sortField: 'orderDate', sortDirection: 'desc', // 分页 currentPage: 1, pageSize: 10, totalPages: 1, currentPageData: [], // 板材详情 showMaterialDetail: false, materialDetail: null }, onLoad: function() { // console.log('index页面加载'); if (app.globalData && app.globalData.dataManager) { this.dataManager = app.globalData.dataManager; // 注册数据更新回调 this.dataManager.registerCallback('all', () => { console.log('收到数据更新回调'); this.updatePageData(); }); // 初始化页面数据 this.updatePageData(); } }, onShow: function() { // console.log('首页显示'); // 检查是否需要登录 if (app.globalData && app.globalData.needLogin) { //console.log('检测到需要登录'); setTimeout(() => { app.checkWechatLogin(); }, 500); } }, // 更新页面数据 updatePageData: function() { if (!this.dataManager || !this.dataManager.data) return; this.setData({ loading: true }); // 更新统计数据 this.updateStats(); // 更新表格数据 this.updateTable(); // 更新最后更新时间 const now = new Date(); const lastUpdate = ${now.getHours().toString().padStart(2, '0')}:${now.getMinutes().toString().padStart(2, '0')}:${now.getSeconds().toString().padStart(2, '0')}; this.setData({ lastUpdate }); }, // 更新统计数据 updateStats: function() { const data = this.dataManager.data; const totalOrders = data.dingdans?.length || 0; const totalProducts = data.chanpins?.length || 0; const totalMaterials = data.bancais?.length || 0; const totalStock = data.kucuns?.reduce((sum, kucun) => sum + kucun.shuliang, 0) || 0; this.setData({ totalOrders, totalProducts, totalMaterials, totalStock }); }, // 核心优化：直接使用dingdan_bancai作为数据源 updateTable: function() { //console.log('开始更新表格数据 - 优化版'); const data = this.dataManager.data; let results = []; // 直接处理dingdan_bancais作为唯一数据源 if (data.dingdan_bancais) { data.dingdan_bancais.forEach(db => { if (!db.dingdan || !db.bancai) return; // 获取关联信息 const dingdan = db.dingdan; const bancai = db.bancai; const chanpin = db.chanpin || null; const zujian = db.zujian || null; console.log(dingdan.dingdan_chanpins) const dingdan_chanpin= chanpin ? data.dingdan_chanpins.find(d=>dingdan?.id===d.dingdan.id&&d.chanpin.id===chanpin?.id):null; const chanpin_zujian=chanpin&&zujian?data.chanpin_zujians.find( c=>c.chanpin?.id===chanpin.id&&c.zujian?.id===zujian.id ):null; // 获取库存信息 const kucun = data.kucuns?.find(k => k.bancai?.id === bancai.id); const stockQuantity = kucun ? kucun.shuliang : 0; //console.log(bancai) // 构建结果项 results.push({ id: db-${db.id}, // 唯一ID orderNumber: dingdan.number, productInfo: chanpin ? chanpin.bianhao : '独立订购', productQuantity:dingdan_chanpin?dingdan_chanpin.shuliang:0, component: zujian ? zujian.name : '独立板材', material: this.getMaterialInfo(bancai), materialPerComponent: chanpin_zujian? chanpin_zujian.one_howmany:0, // 直接使用dingdan_bancai的数量 materialOrderQuantity: db.shuliang, stockQuantity: stockQuantity, raw: { thickness: bancai.houdu || 0, orderNumber: dingdan.number, productQuantity: db.shuliang, stockQuantity: stockQuantity }, bancaiId: bancai.id }); }); } // 处理结果数据（排序、分页等） this.processResults(results); }, // 获取板材信息（优化版） getMaterialInfo: function(bancai) { if (!bancai) return '未知板材'; // 获取材质名称，默认"未知材质" const caizhiName = bancai.caizhi?.name || '未知材质'; // 获取厚度信息，默认"未知厚度" const thickness = bancai.houdu ? ${bancai.houdu.toFixed(1)}mm : '未知厚度'; // 格式化单个木皮信息，带油标记 const formatMupi = mupi => { if (!mupi) return null; return mupi.you ? ${mupi.name}(油) : mupi.name; }; // 处理木皮列表，过滤空值 const mupiList = [ formatMupi(bancai.mupi1), formatMupi(bancai.mupi2) ].filter(Boolean); // 过滤掉null/undefined // 生成木皮信息部分 const mupiInfo = mupiList.length > 0 ? (${mupiList.join('/')}) : '(无木皮)'; // 组合最终格式：材质名（木皮1/木皮2）厚度 return ${caizhiName}${mupiInfo} ${thickness}; }, // 处理结果数据（排序、筛选、分页） processResults: function(results) { // 应用排序 if (this.data.sortField) { results = this.sortResults(results, this.data.sortField, this.data.sortDirection); } // 应用筛选 this.applyFilters(results); }, // 应用筛选条件（优化性能） applyFilters: function(results) { const { orderSearch, productSearch, materialSearch, woodSearch, thicknessSearch, minStock, maxStock } = this.data; let filtered = [...results]; // 订单号筛选 if (orderSearch) { const search = orderSearch.toLowerCase(); filtered = filtered.filter(item => item.orderNumber.toLowerCase().includes(search) ); } // 产品筛选 if (productSearch) { const search = productSearch.toLowerCase(); filtered = filtered.filter(item => item.productInfo.toLowerCase().includes(search) ); } // 板材筛选 if (materialSearch) { const search = materialSearch.toLowerCase(); filtered = filtered.filter(item => item.material.toLowerCase().includes(search) ); } // 木皮筛选 if (woodSearch) { const search = woodSearch.toLowerCase(); filtered = filtered.filter(item => item.material.toLowerCase().includes(search) ); } // 厚度筛选 if (thicknessSearch) { const thickness = parseFloat(thicknessSearch); if (!isNaN(thickness)) { filtered = filtered.filter(item => Math.abs(item.raw.thickness - thickness) < 0.5 ); } } // 库存范围筛选 const min = minStock !== '' ? parseInt(minStock) : Number.MIN_SAFE_INTEGER; const max = maxStock !== '' ? parseInt(maxStock) : Number.MAX_SAFE_INTEGER; filtered = filtered.filter(item => item.stockQuantity >= min && item.stockQuantity <= max ); // 更新分页数据 this.setData({ results: filtered, filteredResults: filtered, resultCount: filtered.length, totalPages: Math.ceil(filtered.length / this.data.pageSize), currentPage: 1, loading: false }, () => this.updateCurrentPageData()); }, // 排序结果 sortResults: function(results, field, direction) { if (!field) return results; return [...results].sort((a, b) => { let valueA, valueB; // 根据排序字段获取值 switch (field) { case 'dingdan.number': valueA = a.orderNumber; valueB = b.orderNumber; break; case 'chanpin.bianhao': valueA = a.productInfo; valueB = b.productInfo; break; case 'dingdan_chanpin.shuliang': valueA = a.materialPerComponent; valueB = b.materialPerComponent; break; case 'zujian.name': valueA = a.component; valueB = b.component; break; case 'bancai.id': // 特殊处理：按厚度排序 return this.sortNumeric(a.raw.thickness, b.raw.thickness, direction); case 'chanpin_zujian.one_howmany': valueA = a.materialPerComponent; valueB = b.materialPerComponent; break; case 'orderUsage': valueA = a.materialOrderQuantity; valueB = b.materialOrderQuantity; break; case 'kucun.shuliang': valueA = a.stockQuantity; valueB = b.stockQuantity; break; default: valueA = a.orderNumber; valueB = b.orderNumber; } // 数值比较 if (['materialPerComponent', 'materialOrderQuantity', 'stockQuantity'].includes(field)) { return this.sortNumeric(valueA, valueB, direction); } // 字符串比较 return this.sortString(valueA, valueB, direction); }); }, // 数值排序辅助函数 sortNumeric: function(aVal, bVal, direction) { const aNum = parseFloat(aVal) || 0; const bNum = parseFloat(bVal) || 0; return direction === 'asc' ? aNum - bNum : bNum - aNum; }, // 字符串排序辅助函数 sortString: function(aVal, bVal, direction) { const aStr = String(aVal).toLowerCase(); const bStr = String(bVal).toLowerCase(); if (aStr < bStr) return direction === 'asc' ? -1 : 1; if (aStr > bStr) return direction === 'asc' ? 1 : -1; return 0; }, // 搜索输入处理函数 onOrderSearchInput: function(e) { this.setData({ orderSearch: e.detail.value }); this.applyFilters(this.data.results); }, onProductSearchInput: function(e) { this.setData({ productSearch: e.detail.value }); this.applyFilters(this.data.results); }, onMaterialSearchInput: function(e) { this.setData({ materialSearch: e.detail.value }); this.applyFilters(this.data.results); }, onWoodSearchInput: function(e) { this.setData({ woodSearch: e.detail.value }); this.applyFilters(this.data.results); }, onThicknessSearchInput: function(e) { this.setData({ thicknessSearch: e.detail.value }); this.applyFilters(this.data.results); }, onMinStockInput: function(e) { this.setData({ minStock: e.detail.value }); }, onMaxStockInput: function(e) { this.setData({ maxStock: e.detail.value }); }, // 库存范围搜索 onStockSearch: function() { this.applyFilters(this.data.results); }, // 重置筛选 resetFilters: function() { this.setData({ orderSearch: '', productSearch: '', materialSearch: '', woodSearch: '', thicknessSearch: '', minStock: '', maxStock: '' }); this.applyFilters(this.data.results); }, // 排序处理 sortBy: function(e) { const field = e.currentTarget.dataset.field; // 如果点击的是当前排序字段，则切换排序方向 if (field === this.data.sortField) { this.setData({ sortDirection: this.data.sortDirection === 'asc' ? 'desc' : 'asc' }); } else { // 否则，设置新的排序字段，默认升序 this.setData({ sortField: field, sortDirection: 'asc' }); } // 应用排序 const sorted = this.sortResults(this.data.filteredResults, this.data.sortField, this.data.sortDirection); this.setData({ filteredResults: sorted }, () => { // 更新当前页数据 this.updateCurrentPageData(); }); }, // 分页处理 prevPage: function() { if (this.data.currentPage > 1) { this.setData({ currentPage: this.data.currentPage - 1 }, () => { this.updateCurrentPageData(); }); } }, nextPage: function() { if (this.data.currentPage < this.data.totalPages) { this.setData({ currentPage: this.data.currentPage + 1 }, () => { this.updateCurrentPageData(); }); } }, // 更新当前页数据 updateCurrentPageData: function() { const startIndex = (this.data.currentPage - 1) * this.data.pageSize; const endIndex = startIndex + this.data.pageSize; const currentPageData = this.data.filteredResults.slice(startIndex, endIndex); this.setData({ currentPageData }); }, // 显示板材详情 showMaterialDetail: function(e) { const materialId = e.currentTarget.dataset.id; // 查找板材详情 const bancai = this.dataManager.data.bancais.find(b => b.id === materialId); if (!bancai) { wx.showToast({ title: '未找到板材信息', icon: 'none' }); return; } // 获取库存信息 const kucun = this.dataManager.data.kucuns?.find(k => k.bancai?.id === materialId) || null; // 设置详情数据 this.setData({ materialDetail: { id: bancai.id, material: bancai.caizhi?.name || '未知', thickness: bancai.houdu ? bancai.houdu.toFixed(1) + 'mm' : '未知', stock: kucun ? kucun.shuliang : 0, mupi1: this.formatMupiDetail(bancai.mupi1), mupi2: this.formatMupiDetail(bancai.mupi2), relatedOrders: this.getRelatedOrders(bancai) }, showMaterialDetail: true }); }, // 格式化木皮详情 formatMupiDetail: function(mupi) { if (!mupi) return '无'; return ${mupi.name}${mupi.you ? '(油)' : ''}; }, // 关闭板材详情 closeMaterialDetail: function() { this.setData({ showMaterialDetail: false }); }, // 获取板材相关订单 getRelatedOrders: function(bancai) { const data = this.dataManager.data; const orderMap = new Map(); // 使用Map进行订单去重 // 查找直接订单组件关联 const dingdan_bancais = data.dingdan_bancais || []; dingdan_bancais.forEach(db => { if (db.bancai?.id === bancai.id && db.dingdan) { orderMap.set(db.dingdan.id, db.dingdan); } }); // 转换为数组并排序（按下单日期降序） return Array.from(orderMap.values()).sort((a, b) => { const dateA = a.xiadan ? new Date(a.xiadan) : new Date(0); const dateB = b.xiadan ? new Date(b.xiadan) : new Date(0); return dateB - dateA; // 最近的订单在前 }); }, // 格式化日期 formatDate: function(dateString) { if (!dateString) return ''; const date = new Date(dateString); return ${date.getFullYear()}-${(date.getMonth() + 1).toString().padStart(2, '0')}-${date.getDate().toString().padStart(2, '0')}; } });--------------class LazyLoader { constructor(dataManager) { this.dataManager = dataManager; this.cache = new Map(); this.entityTypeMap = { bancai: 'bancais', dingdan: 'dingdans', mupi: 'mupis', chanpin: 'chanpins', kucun: 'kucuns', dingdan_bancai: 'dingdan_bancais', chanpin_zujian: 'chanpin_zujians', zujian: 'zujians', caizhi: 'caizhis', dingdan_chanpin: 'dingdan_chanpins', user: 'users', jinhuo: 'jinhuos' }; this.proxies = new WeakMap(); this.creatingProxies = new WeakSet(); // 新增：追踪正在创建的代理 } createProxy(entity, entityType) { if (this.creatingProxies.has(entity)) { return entity; // 直接返回原始对象避免递归 } // 1. 优先检查缓存 if (this.proxies.has(entity)) { return this.proxies.get(entity); } const cacheKey = ${entityType}_${entity.id}; if (this.cache.has(cacheKey)) { return this.cache.get(cacheKey); } // 标记为正在创建 this.creatingProxies.add(entity); const handler = { get: (target, prop, receiver) => { // 特殊属性处理 if (prop === 'id') return target.id; const value = Reflect.get(target, prop, receiver); // 基本类型直接返回 if (typeof value !== 'object' || value === null) { return value; } // 处理数组引用 if (Array.isArray(value)) { const refType = this.getReferenceType(prop); return refType ? this.loadReferences(value, refType) : value; } // 检查是否已经代理过这个对象 if (this.proxies.has(value)) { return this.proxies.get(value); } // 处理对象引用 const refType = this.getReferenceType(prop); if (refType) { //console.log(refType) return this.loadReference(value, refType); } return value; } }; const proxy = new Proxy(entity, handler); // 创建完成后移除标记 this.creatingProxies.delete(entity); // 3. 创建后立即缓存 this.proxies.set(entity, proxy); this.cache.set(cacheKey, proxy); return proxy; } getEntityTypeFromRef(prop) { const baseProp = prop.replace(/\d/g, ''); return baseProp in this.entityTypeMap ? this.entityTypeMap[baseProp] : ${baseProp}s; } getReferenceType(prop) { try { const baseProp = prop.replace(/\d/g, ''); const pluralProp = ${baseProp}s; if (this.dataManager._rawData[pluralProp]) return pluralProp; } catch (error) { //console.log(prop+" ---- "+error) return prop; } return null; } loadReference(ref, refType,s=1) { if (!ref?.id) { return ref;} const cacheKey = ${refType}_${ref.id}; // 4. 统一使用缓存机制 if (this.cache.has(cacheKey)) { return this.cache.get(cacheKey); } const entities = this.dataManager._rawData[refType] || []; const entity = entities.find(e => e.id === ref.id); if (!entity) { console.warn(Entity not found: ${refType} with id ${ref.id}); return ref; } // 检查是否已经代理过这个对象 if (this.proxies.has(entity)) { return this.proxies.get(entity); } // 5. 使用createProxy确保代理一致性 const prosty= this.createProxy(entity, refType); // console.log(cacheKey+"---"+s+"--"+prosty.id) return prosty } loadReferences(refs, refType) { refs.map(ref => { if (this.proxies.has(ref)) { return this.proxies.get(ref); } return this.loadReference(ref, refType,4); // 添加return }); // console.log(${refs}--------${refType}) return refs; } clearCache() { this.cache.clear(); } } class MiniProgramDataManager { constructor(baseUrl = '') { this.baseUrl = baseUrl; this.debug = true; this.networkAvailable = false; this.isSyncing = false; this.lastSync = null; this.syncInterval = 5 * 60 * 1000; this.storageKey = 'miniProgramData'; this._rawData = this.createEmptyData(); this.lazyLoader = new LazyLoader(this); this.callbacks = { all: [], bancais: [], dingdans: [], mupis: [], chanpins: [], kucuns: [], chanpin_zujians: [], dingdan_bancais: [], zujians: [], caizhis: [], dingdan_chanpins: [], users: [], jinhuos: [] }; this.initNetwork(); this.loadDataFromStorage(); this.startAutoSync(); } createEmptyData() { return { bancais: [], dingdans: [], mupis: [], chanpins: [], kucuns: [], dingdan_bancais: [], chanpin_zujians: [], zujians: [], caizhis: [], dingdan_chanpins: [], users: [], jinhuos: [], _lastModified: null, _lastSync: null }; } get data() { const handler = { get: (target, prop) => { if (prop.startsWith('_')) return target[prop]; if (Array.isArray(target[prop])) { return target[prop].map(item => this.lazyLoader.createProxy(item, prop.replace(/s$/, '')) ); } return target[prop]; }, set: (target, prop, value) => { target[prop] = value; return true; } }; return new Proxy(this._rawData, handler); } async initialize() { try { await this.syncData(); return true; } catch (error) { if (this._rawData._lastSync) return true; throw error; } } startAutoSync() { this.autoSyncTimer = setInterval(() => { !this.isSyncing && this.syncData(); }, this.syncInterval); } stopAutoSync() { clearInterval(this.autoSyncTimer); } async initNetwork() { try { const { networkType } = await wx.getNetworkType(); this.networkAvailable = networkType !== 'none'; } catch { this.networkAvailable = false; } } async syncData() { if (this.isSyncing) return; this.isSyncing = true; try { const since = this._rawData._lastSync; await this.fetchAll(since); this.lazyLoader.clearCache(); this.saveDataToStorage(); this.triggerCallbacks('refresh', 'all', this.data); } catch (error) { console.error('Sync failed:', error); this.triggerCallbacks('sync_error', 'all', { error }); if (!this._rawData._lastSync) throw error; } finally { this.isSyncing = false; } } async fetchAll(since) { try { const params = since ? { since } : {}; const resolvedData = this.baseUrl ? await this.request('/app/all', 'GET', params) : this.createEmptyData(); Object.keys(this._rawData).forEach(key => { if (key.startsWith('_') || !resolvedData[key]) return; if (since) { resolvedData[key].forEach(newItem => { const index = this._rawData[key].findIndex(item => item.id === newItem.id); index >= 0 ? this._rawData[key][index] = newItem : this._rawData[key].push(newItem); }); } else { this._rawData[key] = resolvedData[key]; } }); this._rawData._lastSync = new Date().toISOString(); this.saveDataToStorage(); return true; } catch (error) { console.error('Fetch error:', error); this.triggerCallbacks('fetch_error', 'all', { error }); throw error; } } async request(url, method, data, retryCount = 3) { return new Promise((resolve, reject) => { const fullUrl = ${this.baseUrl}${url}; const requestTask = () => { wx.request({ url: fullUrl, method, data, header: { 'Content-Type': 'application/json' }, success: (res) => { if (res.statusCode >= 200 && res.statusCode < 300) { resolve(res.data.data); } else { const err = new Error(res.data?.message || 'API error'); retryCount > 1 ? setTimeout(requestTask, 1000, retryCount - 1) : reject(err); } }, fail: (err) => { retryCount > 1 ? setTimeout(requestTask, 1000, retryCount - 1) : reject(new Error(Network error: ${err.errMsg})); } }); }; requestTask(); }); } registerCallback(entity, callback) { this.callbacks[entity]?.push(callback) || this.callbacks.all.push(callback); } unregisterCallback(entity, callback) { const arr = this.callbacks[entity] || this.callbacks.all; const index = arr.indexOf(callback); if (index !== -1) arr.splice(index, 1); } triggerCallbacks(operation, entity, data) { this.callbacks.all.forEach(cb => cb(operation, entity, data)); this.callbacks[entity]?.forEach(cb => cb(operation, data)); } async crudOperation(operation, entity, data) { try { const result = await this.request(/app/${operation}/${entity}, 'POST', data); this.updateLocalData(operation, entity, result || data); this.triggerCallbacks(operation, entity, result || data); return result; } catch (error) { this.triggerCallbacks(${operation}_error, entity, { data, error }); throw error; } } updateLocalData(operation, entity, data) { const key = ${entity}s; const collection = this._rawData[key] || []; switch (operation) { case 'add': collection.push(data); break; case 'update': const index = collection.findIndex(item => item.id === data.id); index >= 0 ? collection[index] = data : collection.push(data); break; case 'delete': const deleteIndex = collection.findIndex(item => item.id === data.id); if (deleteIndex >= 0) collection.splice(deleteIndex, 1); break; } this._rawData._lastModified = new Date().toISOString(); this.lazyLoader.clearCache(); this.saveDataToStorage(); } loadDataFromStorage() { try { const storedData = wx.getStorageSync(this.storageKey); if (storedData) this._rawData = storedData; } catch (error) { console.error('Storage load error:', error); } } saveDataToStorage() { try { wx.setStorageSync(this.storageKey, this._rawData); } catch (error) { console.error('Storage save error:', error); wx.showToast({ title: '数据保存失败', icon: 'none' }); } } async addEntity(entity, data) { return this.crudOperation('add', entity, data); } async updateEntity(entity, data) { return this.crudOperation('update', entity, data); } async deleteEntity(entity, id) { return this.crudOperation('delete', entity, { id }); } async transactionalOperation(endpoint, data) { try { await this.request(/app/Transactional/${endpoint}, 'POST', data); await this.syncData(); return true; } catch (error) { this.triggerCallbacks('transaction_error', endpoint, { data, error }); throw error; } } } module.exports = MiniProgramDataManager; console.log(dingdan.dingdan_chanpins)输出全是空

然后，在代理的get方法中，会调用this.loadReferences(value, refType)，其中value是原始引用数组（可能是[{id:1}, {id:2}]），refType是dingdan_chanpins。然后在loadReferences中，对每个引用调用...

我有一个js类，如何写对应的index.d.ts:import { Inject, Injectable } from '@nestjs/common'; import { Cron } from '@nestjs/schedule'; import * as moment from 'moment'; import { SsrDbService } from '../db/service/ssr.db.service'; import { MipmsDbService } from '../db/service/mipms.db.service'; @Injectable() export class SampleService { constructor(@Inject(SsrDbService) private readonly ssr: SsrDbService, @Inject(MipmsDbService) private readonly mipms: MipmsDbService) { } /** * * 每分钟执行一次样品信息同步，同步逻辑如下： * 1、需要在检验项目管理系统增加一个数据变动记录表 * 2、在样品表和样品表上增加一个触发器，将表中样品信息修改记录到数据变动记录表中 * 3、本服务会自动查询检验系统的数据变动记录表内容，若存在变动记录则将对应数据查询出来更新到ssr3系统的样品表中 * 4、同步后向ssr3系统的通知表中写入信息变动记录，由系统向用户发送提示 * * 同步的样品信息包括： * 1、样品作废信息：样品表中增加触发器 * 2、样品修改信息：样品表中增加触发器 * 3、删除样品：样品表中增加触发器 * 4、新增样品：在用户领取任务后，将自动同步样品信息到ssr3系统中，所以需要在领取任务表中增加触发器 * / @Cron('5 * * * *') async cron() { const time = moment().format('YYYY年MM月DD日HH时mm分'); console.log(${time}==>Called every minute); const sample = await this.ssr.ssr_sample.findFirst({ where: { sam_name: { contains: 'BH71' }, } }) console.log(ssr_sample=>, sample); const sample2 = await this.mipms.mipms_sample.findFirst({ where: { sam_name: '郑单958', } }) console.log(mipms_sample=>, sample2); } }

constructor(ssr: SsrDbService, mipms: MipmsDbService); @Cron('5 * * * * *') async cron(): Promise; } } 这里我们使用declare module来声明模块。在模块中，我们导入了需要使用的依赖，同时定义了...

class LazyLoader { constructor(dataManager) { this.dataManager = dataManager; this.cache = new Map(); this.entityTypeMap = { bancai: 'bancais', dingdan: 'dingdans', mupi: 'mupis', chanpin: 'chanpins', kucun: 'kucuns', dingdan_bancai: 'dingdan_bancais', chanpin_zujian: 'chanpin_zujians', zujian: 'zujians', caizhi: 'caizhis', dingdan_chanpin: 'dingdan_chanpins', user: 'users', jinhuo: 'jinhuos' }; this.r=true;this.t=true;this.y=true; } createProxy(entity, entityType) { // 1. 优先检查缓存 const cacheKey = ${entityType}_${entity.id}; if (this.cache.has(cacheKey)) { return this.cache.get(cacheKey); } // 2. 代理检测简化 if (entity.__isProxy) return entity; const handler = { get: (target, prop, receiver) => { if(prop==='bancai'&& this.r){ this.r=false;console.log(receiver);} if(prop==='dingdan_bancai'&& this.t){ this.t=false;console.log(receiver);} if(prop==='caizhi'&& this.y) {this.y=false;console.log(receiver);} // 特殊属性处理 if (prop === 'isProxy') return true; if (prop === 'id') return target.id; const value = Reflect.get(target, prop, receiver); // 基本类型直接返回 if (typeof value !== 'object' || value === null) { return value; } // 处理数组引用 if (Array.isArray(value)) { const refType = this.getReferenceType(prop); return refType ? this.loadReferences(value, refType) : value; } // 处理对象引用 const refType = this.getReferenceType(prop); if (refType) { return this.loadReference(value, refType); } // 普通对象：检查是否需要创建嵌套代理 if (!value.isProxy) { // 创建嵌套对象的代理 return this.createProxy(value, this.getEntityTypeFromRef(prop)); } return value; } }; const proxy = new Proxy(entity, handler); proxy.__isProxy = true; // 3. 创建后立即缓存 this.cache.set(cacheKey, proxy); return proxy; } getEntityTypeFromRef(prop) { const baseProp = prop.replace(/\d/g, ''); return baseProp in this.entityTypeMap ? this.entityTypeMap[baseProp] : ${baseProp}s; } getReferenceType(prop) { const baseProp = prop.replace(/\d/g, ''); if (this.entityTypeMap[baseProp]) return this.entityTypeMap[baseProp]; const pluralProp = ${baseProp}s; if (this.dataManager._rawData[pluralProp]) return pluralProp; return null; } loadReference(ref, refType) { if (!ref?.id) return ref; const cacheKey = ${refType}_${ref.id}; // 4. 统一使用缓存机制 if (this.cache.has(cacheKey)) { return this.cache.get(cacheKey); } const entities = this.dataManager._rawData[refType] || []; const entity = entities.find(e => e.id === ref.id); if (!entity) { console.warn(Entity not found: ${refType} with id ${ref.id}); return ref; } // 5. 使用createProxy确保代理一致性 return this.createProxy(entity, refType); } loadReferences(refs, refType) { return refs.map(ref => this.loadReference(ref, refType)); } resolveReferences(entity) { for (const attr in entity) { const refType = this.getReferenceType(attr); if (!refType) continue; if (Array.isArray(entity[attr])) { entity[attr] = entity[attr].map(item => this.dataManager._rawData[refType]?.find(e => e.id === item.id) || item ); } else if (entity[attr]?.id) { entity[attr] = this.dataManager._rawData[refType]?.find(e => e.id === entity[attr].id) || entity[attr]; } } return entity; } clearCache() { this.cache.clear(); } } class MiniProgramDataManager { constructor(baseUrl = '') { this.baseUrl = baseUrl; this.debug = true; this.networkAvailable = false; this.isSyncing = false; this.lastSync = null; this.syncInterval = 5 * 60 * 1000; this.storageKey = 'miniProgramData'; this._rawData = this.createEmptyData(); this.lazyLoader = new LazyLoader(this); this.callbacks = { all: [], bancais: [], dingdans: [], mupis: [], chanpins: [], kucuns: [], chanpin_zujians: [], dingdan_bancais: [], zujians: [], caizhis: [], dingdan_chanpins: [], users: [], jinhuos: [] }; this.initNetwork(); this.loadDataFromStorage(); this.startAutoSync(); } createEmptyData() { return { bancais: [], dingdans: [], mupis: [], chanpins: [], kucuns: [], dingdan_bancais: [], chanpin_zujians: [], zujians: [], caizhis: [], dingdan_chanpins: [], users: [], jinhuos: [], _lastModified: null, _lastSync: null }; } get data() { const handler = { get: (target, prop) => { if (prop.startsWith('_')) return target[prop]; if (Array.isArray(target[prop])) { return target[prop].map(item => this.lazyLoader.createProxy(item, prop.replace(/s$/, '')) ); } return target[prop]; }, set: (target, prop, value) => { target[prop] = value; return true; } }; return new Proxy(this._rawData, handler); } async initialize() { try { await this.syncData(); return true; } catch (error) { if (this._rawData._lastSync) return true; throw error; } } startAutoSync() { this.autoSyncTimer = setInterval(() => { !this.isSyncing && this.syncData(); }, this.syncInterval); } stopAutoSync() { clearInterval(this.autoSyncTimer); } async initNetwork() { try { const { networkType } = await wx.getNetworkType(); this.networkAvailable = networkType !== 'none'; } catch { this.networkAvailable = false; } } async syncData() { if (this.isSyncing) return; this.isSyncing = true; try { const since = this._rawData._lastSync; await this.fetchAll(since); this.lazyLoader.clearCache(); this.saveDataToStorage(); this.triggerCallbacks('refresh', 'all', this.data); } catch (error) { console.error('Sync failed:', error); this.triggerCallbacks('sync_error', 'all', { error }); if (!this._rawData._lastSync) throw error; } finally { this.isSyncing = false; } } async fetchAll(since) { try { const params = since ? { since } : {}; const resolvedData = this.baseUrl ? await this.request('/app/all', 'GET', params) : this.createEmptyData(); Object.keys(this._rawData).forEach(key => { if (key.startsWith('_') || !resolvedData[key]) return; if (since) { resolvedData[key].forEach(newItem => { const index = this._rawData[key].findIndex(item => item.id === newItem.id); index >= 0 ? this._rawData[key][index] = newItem : this._rawData[key].push(newItem); }); } else { this._rawData[key] = resolvedData[key]; } }); this._rawData._lastSync = new Date().toISOString(); this.saveDataToStorage(); return true; } catch (error) { console.error('Fetch error:', error); this.triggerCallbacks('fetch_error', 'all', { error }); throw error; } } async request(url, method, data, retryCount = 3) { return new Promise((resolve, reject) => { const fullUrl = ${this.baseUrl}${url}; const requestTask = () => { wx.request({ url: fullUrl, method, data, header: { 'Content-Type': 'application/json' }, success: (res) => { if (res.statusCode >= 200 && res.statusCode < 300) { resolve(res.data.data); } else { const err = new Error(res.data?.message || 'API error'); retryCount > 1 ? setTimeout(requestTask, 1000, retryCount - 1) : reject(err); } }, fail: (err) => { retryCount > 1 ? setTimeout(requestTask, 1000, retryCount - 1) : reject(new Error(Network error: ${err.errMsg})); } }); }; requestTask(); }); } registerCallback(entity, callback) { this.callbacks[entity]?.push(callback) || this.callbacks.all.push(callback); } unregisterCallback(entity, callback) { const arr = this.callbacks[entity] || this.callbacks.all; const index = arr.indexOf(callback); if (index !== -1) arr.splice(index, 1); } triggerCallbacks(operation, entity, data) { this.callbacks.all.forEach(cb => cb(operation, entity, data)); this.callbacks[entity]?.forEach(cb => cb(operation, data)); } async crudOperation(operation, entity, data) { try { const result = await this.request(/app/${operation}/${entity}, 'POST', data); this.updateLocalData(operation, entity, result || data); this.triggerCallbacks(operation, entity, result || data); return result; } catch (error) { this.triggerCallbacks(${operation}_error, entity, { data, error }); throw error; } } updateLocalData(operation, entity, data) { const key = ${entity}s; const collection = this._rawData[key] || []; switch (operation) { case 'add': collection.push(data); break; case 'update': const index = collection.findIndex(item => item.id === data.id); index >= 0 ? collection[index] = data : collection.push(data); break; case 'delete': const deleteIndex = collection.findIndex(item => item.id === data.id); if (deleteIndex >= 0) collection.splice(deleteIndex, 1); break; } this._rawData._lastModified = new Date().toISOString(); this.lazyLoader.clearCache(); this.saveDataToStorage(); } loadDataFromStorage() { try { const storedData = wx.getStorageSync(this.storageKey); if (storedData) this._rawData = storedData; } catch (error) { console.error('Storage load error:', error); } } saveDataToStorage() { try { wx.setStorageSync(this.storageKey, this._rawData); } catch (error) { console.error('Storage save error:', error); wx.showToast({ title: '数据保存失败', icon: 'none' }); } } async addEntity(entity, data) { return this.crudOperation('add', entity, data); } async updateEntity(entity, data) { return this.crudOperation('update', entity, data); } async deleteEntity(entity, id) { return this.crudOperation('delete', entity, { id }); } async transactionalOperation(endpoint, data) { try { await this.request(/app/Transactional/${endpoint}, 'POST', data); await this.syncData(); return true; } catch (error) { this.triggerCallbacks('transaction_error', endpoint, { data, error }); throw error; } } } module.exports = MiniProgramDataManager; 板材详细信息获取不到，数据完整，但懒加载有问题，访问其他数据都没问题，把 if (entity.__isProxy) {去掉就能获取到板材详细信息，但会触发递归，并且 if(prop==='bancai'&& this.r){ this.r=false;console.log(receiver);} if(prop==='dingdan_bancai'&& this.t){ this.t=false;console.log(receiver);} if(prop==='caizhi'&& this.y) {this.y=false;console.log(receiver);} 按dingdan_bancai=》bancai=》caizhi查询，中只有if(prop==='bancai'&& this.r){ this.r=false;console.log(receiver);}输出了，里面嵌套对象只有id

同时，在调试输出中，只有bancai的console.log输出了，而嵌套的对象（如caizhi）没有输出，并且这些嵌套对象只有id属性。分析： 1. 去掉if (entity.__isProxy) return entity;会导致递归，因为我们在...

相关推荐

TypeScript在Node.js开发中的多维应用与性能优化策略

ts基础语法.docx

第3章 Angular-路由.zip

class Person { constructor(name, age) { this.name = name; this.age = age; } sayHello() { console.log(Hello, my name is ${this.name} and I am ${this.age} years old.); } } const john = new Person('John', 30); john.sayHello();

Text('苹果'+${this.name})this.name是有值的，但是为什么输出都是没有结果的，但是console.log(${this.name})也是有值的，给出解决办法

大家在看

商品条形码及生产日期识别数据集

7.0 root.rar

RK3308开发资料

即时记截图精灵 v2.00.rar

WinUSB4NuVCOM_NUC970+NuWriter.rar

最新推荐

React框架总结.pdf

Teleport Pro教程：轻松复制网站内容

【跨平台开发者的必读】：解决Qt5Widgetsd.lib目标计算机类型冲突终极指南

普通RNN结构和特点

探讨通用数据连接池的核心机制与应用

【LabVIEW网络通讯终极指南】：7个技巧提升UDP性能和安全性

简要介绍cnn卷积神经网络

基于ASP的深度学习网站导航系统功能详解

【Oracle数据泵进阶技巧】：避免ORA-31634和ORA-31664错误的终极策略

多头注意力机制的时间复杂度