云开发校园微社区微信小程序源码/二手交易/兼职交友微信小程序开源源码

const b64 = require('b64.js') const formatTime = date => { const month = date.getMonth() + 1 const day = date.getDate() const hour = date.getHours() const minute = date.getMinutes() return [month, day].map(formatNumber).join('/') + ' ' + [hour, minute].map(formatNumber).join(':') } const prettyTime = date => { const month = date.getMonth() + 1 const day = date.getDate() const hour = date.getHours() const minute = date.getMinutes() return month + '月' + day + '日 ' + [hour, minute].map(formatNumber).join(':') } const prettyTimeYMD = date => { const month = date.getMonth() + 1 const day = date.getDate() return month + '月' + day + '日 ' } const minute = 1000 * 60; const hour = minute * 60; const day = hour * 24; const week = day * 7; const halfamonth = day * 15; const month = day * 30; const agoTime = dateTimeStamp => { var now = new Date().getTime(); var diffValue = now - dateTimeStamp; var v = 0 var result = "" if ((v = diffValue/month) >= 1) { if (v >= 3) { result = "3 个月前" } else { result = "" + (v|0) + " 月前" } } else if ((v = diffValue/week) >= 1) { result = "" + (v|0) + " 周前" } else if ((v = diffValue/day) >= 1) { result = "" + (v|0) + " 天前" } else if ((v = diffValue/hour) >= 1) { result = "" + (v|0) + " 小时前" } else if ((v = diffValue/minute) >= 1) { result = "" + (v|0) + " 分钟前" } else { result = "刚刚" } return result } const msgTime = (date) => { const month = date.getMonth() + 1 const _day = date.getDate() const hour = date.getHours() const minute = date.getMinutes() var now = new Date().getTime(); var diffValue = now - date; if (diffValue/day >= 1) { return [month, _day].map(formatNumber).join('-') } else { return [hour, minute].map(formatNumber).join(': ') } } const getDaysFromNow = (created_at) => { var thatTime = new Date(created_at * 1000) var nowTime = new Date() return Math.ceil((nowTime - thatTime) / (1000 * 3600 * 24)) } const formatNumber = n => { n = n.toString() return n[1] ? n : '0' + n } // 从当前页面传递数据到上一个页面 function setResult(data) { const pages = getCurrentPages(); if (pages.length >= 2) { const prevPage = pages[pages.length - 2] //上一个页面 if (prevPage.onResult) { prevPage.onResult(data) } } } // 从当前页面发送数据到目的页面，使用全局变量实现 // 需要用 getTransitData 方法提取 function setTransitData(key, value) { var g = getApp().globalData g.transit[key] = value } function getTransitData(key) { var g = getApp().globalData var v = g.transit[key] g.transit[key] = null return v } function jwtDecode(token) { var base64 = token.split('.')[1]; var b = b64.atob(base64) return JSON.parse(b) } // check to see if the user token is expired or // will expire within the next 30 minutes (1800 seconds). // If not, there is nothing we really need to do here. function jwtExpire(token, ahead) { if (!ahead) { ahead = 1800 } if (Date.now()/1000 < jwtDecode(token).exp - ahead) { return false } return true } // hashtag function hashtag(text) { var regex = /#[^#]+#/g if (text) { return text.match(regex) } return null } // Test white space // Instead of checking the entire string to see if there's only whitespace, // just check to see if there's at least one character of non whitespace: function isWhiteSpace(str) { return !str || (!/\S/.test(str)) } // Parse json function jsonParse(str) { var r = {} try { r.object = JSON.parse(str) r.ok = true } catch (e) { r.ok = false r.err = e } return r } // update list item function getCityName(addr) { var city = undefined if (addr) { console.log("get add:" + addr) var index0 = addr.indexOf('省') var index1 = addr.indexOf('市') if (index0 > 0 && index1 > 0 && index1 > index0 ) { city = addr.substring(index0+1, index1+1) } else if (addr.includes('北京市')) { city = '北京市' } else if (addr.includes('上海市')) { city = '上海市' } else if (addr.includes('天津市')) { city = '天津市' } else if (addr.includes('重庆市')) { city = '重庆市' } } return city } function lightenColor(col, amt) { if (col[0] == "#") { col = col.slice(1); } var num = parseInt(col, 16); var r = (num >> 16) + amt; if (r > 255) r = 255; else if (r < 0) r = 0; var b = ((num >> 8) & 0x00FF) + amt; if (b > 255) b = 255; else if (b < 0) b = 0; var g = (num & 0x0000FF) + amt; if (g > 255) g = 255; else if (g < 0) g = 0; return "#" + padZero(r.toString(16)) + padZero(b.toString(16)) + padZero(g.toString(16)); } function alphaColor(col, amt) { if (col[0] == "#") { col = col.slice(1); } var num = parseInt(col, 16); var r = (num >> 16); var g = ((num >> 8) & 0x00FF); var b = (num & 0x0000FF); return `rgba(${r}, ${g}, ${b}, ${amt})` } function invertColor(hex, bw) { if (hex.indexOf('#') === 0) { hex = hex.slice(1); } // convert 3-digit hex to 6-digits. if (hex.length === 3) { hex = hex[0] + hex[0] + hex[1] + hex[1] + hex[2] + hex[2]; } if (hex.length !== 6) { throw new Error('Invalid HEX color.'); } var r = parseInt(hex.slice(0, 2), 16), g = parseInt(hex.slice(2, 4), 16), b = parseInt(hex.slice(4, 6), 16); if (bw) { // http://stackoverflow.com/a/3943023/112731 return (r * 0.299 + g * 0.587 + b * 0.114) > 186 ? '#000000' : '#ffffff'; } // invert color components r = (255 - r).toString(16); g = (255 - g).toString(16); b = (255 - b).toString(16); // pad each with zeros and return return "#" + padZero(r) + padZero(g) + padZero(b); } function padZero(str, len) { len = len || 2; var zeros = new Array(len).join('0'); return (zeros + str).slice(-len); } module.exports = { formatTime: formatTime, agoTime: agoTime, msgTime: msgTime, prettyTime: prettyTime, prettyTimeYMD: prettyTimeYMD, getDaysFromNow: getDaysFromNow, setResult: setResult, sendRequest: setTransitData, getRequest: getTransitData, jwtDecode: jwtDecode, jwtExpire: jwtExpire, hashtag: hashtag, isWhiteSpace: isWhiteSpace, jsonParse: jsonParse, getCityName: getCityName, lightenColor: lightenColor, invertColor: invertColor, alphaColor: alphaColor, }