HarmonyOS 如何打开电子市场相关应用页面？

uri: ‘store://appgallery.huawei.com/app/detail?id=’+appId

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HarmonyOS版应用市场详情页面') 
        .margin({ top: 50 }).onClick(() => { 
          const want: Want = { 
            uri: 'store://appgallery.huawei.com/app/detail?id' = ${this.appId } 
        }; 
        const context = getContext(this) as common.UIAbilityContext; 
        context.startAbility(want) 
          .then(() => { 
            //拉起成功 
          }).catch(() => { 
          //拉起失败 
        }); 
      }) 
    }.width(’100%‘) 
  }.height(‘100%’) 
} 
}