HarmonyOS 版本升级机制

import Want from ‘@ohos.app.ability.Want’; 
import common from ‘@ohos.app.ability.common’; 
 
@Entry 
@Component 
struct Index { 
  @State appId: string = ‘C1142586279411547392’; 
  controller: TextInputController = new TextInputController(); 
  build() { 
    Row() { 
      Column() { 
        TextInput({ text: this.appId, placeholder: ‘请输入应用的appId’, controller: this.controller }) 
          .width(‘90%’) 
        .onChange((value: string) => { 
          this.appId = value 
        }) 
        Button(‘点击跳转到应用市场详情页面’) 
        .margin({top: 50}) 
          .onClick(()=>{ 
            const want: Want = { 
              uri: 'store://appgallery.huawei.com/app/detail?id=' + bundleName, //  bundleName为需要打开应用详情的应用包名 
            }; 
            const context = getContext(this) as common.UIAbilityContext; 
            context.startAbility(want).then(()=>{ 
              //拉起成功 
            }).catch(()=>{ 
              // 拉起失败 
            }); 
          }) 
      }