鸿蒙ForEach

@Entry
@Component

export struct KYHomePage {
  private contacts = ["1","1","1","1","1","1","1","1","1","1","1","1","1","1","1","1","1","1","1","1","1","1","1","1","1","1","1","1","1","1","1","1","1","1","2","3"]

  build(){
    Column(){
      // 列表滚动内容
      List(){
        ForEach(this.contacts,(item: string)=>{
          ListItem(){
            Text(item){
            }
          }
          .width('100%')
          .height(50)
          .backgroundColor('#01ffffff')
          .padding({top:0,left:0,right:0,bottom:3})
        })
      }
      .width('100%')
      .height('100%')
    }
    .width('100%')
    .backgroundColor(Color.Gray)
  }

  // 界面每次出现的时候调用,包括路由过程、应用进入前台等场景。
  onPageShow(){

  }
  // 界面每次消失的时候调用,包括路由过程、应用进入后台等场景
  onPageHide(){

  }
  // 用户触发返回操作
  onBackPress(){

  }
  // 转场动画
  pageTransition(){

  }

  // 界面首次初始化的时候,仅调用一次
  aboutToAppear(){

  }
  //在自定义组件析构销毁之前执行。不允许在aboutToDisappear函数中改变状态变量，特别是@Link变量的修改可能会导致应用程序行为不稳定。
  aboutToDisappear(){

  }


}