focusControl.requestFocus获取焦点的问题

import webview from '@ohos.web.webview' 
 
export interface JsbObject { 
  openDialog: () => void 
} 
 
@Entry() 
@Component 
struct focus_Controller { 
  webviewController = new webview.WebviewController() 
  dialogController: CustomDialogController = new CustomDialogController({ 
    builder: CustomDialogExample({}) 
  }) 
  jsbObject: JsbObject = { 
    openDialog: () => { 
      this.showDialog(this) 
    } 
  } 
 
  showDialog(context: object) { 
    // 自定义弹窗调出来 
    this.dialogController.open() 
  } 
 
  build() { 
    Column() { 
 
      Button("点我") 
        .onClick(() => { 
          this.showDialog(this) 
          console.info("sss") 
        }) 
 
      Web({ 
        src: "resource://rawfile/web_test.html", 
        controller: this.webviewController 
      }) 
        .javaScriptAccess(true) 
        .javaScriptProxy({ 
          name: "myJsb", 
          object: this.jsbObject, 
          methodList: ["openDialog"], 
          controller: this.webviewController 
 
        }) 
    }.width('40%') 
    .height('60%') 
    .margin({ 
      left: '30%', 
      top: '20%' 
    }) 
    .backgroundColor(Color.Brown) 
  } 
} 
 
@CustomDialog 
struct CustomDialogExample { 
  dialogControllerTwo: CustomDialogController | null = new CustomDialogController({ 
    builder: CustomDialogExample(), 
    alignment: DialogAlignment.Bottom, 
    offset: { dx: 0, dy: -25 }, 
    backgroundColor: Color.Pink 
  }) 
  controller?: CustomDialogController 
 
  build() { 
    Row() { 
      TextInput({ 
        placeholder: 'wait input...', 
        text: '', 
      }) 
        .id("textInput") 
        .defaultFocus(true) 
    } 
    .height('40%') 
  } 
}