登陆时如何注入cookie

// xxx.ets 
import web_webview from '@ohos.web.webview' 
  
web_webview.once("webInited", () => { 
  console.log("configCookieSync") 
  web_webview.WebCookieManager.configCookieSync("https://www.example.com", "a=b") 
}) 
  
@Entry 
@Component 
struct WebComponent { 
  controller: web_webview.WebviewController = new web_webview.WebviewController(); 
  
  build() { 
    Column() { 
      Web({ src: 'www.example.com', controller: this.controller }) 
    } 
  } 
}