HarmonyOS鸿蒙Next中如何实现点赞后调用接口并更新UI的解决方案

HarmonyOS鸿蒙Next中如何实现点赞后调用接口并更新UI的解决方案

interface userType{
  name:string
  age:number
  hobby:hobby
}

interface hobby{
  hobbyname:string
  hobbyNum:number
}

@Component
struct InterfacePage {

  @State user:userType = {
    name:'张三',
    age:18,
    hobby:{
      hobbyname:'打篮球',
      hobbyNum:1
    }
  }

  build() {
   Column(){
     Text('展示原本')
     Text(JSON.stringify(this.user))

     Button('点击修改深层次hobbyname')
       .onClick(()=>{
         let lfc:userType = {} as userType
         lfc = this.user
         lfc.hobby.hobbyname = '踢足球'

         this.user = lfc  //直接将对象赋值 就能变化
         console.log(this.user.hobby.hobbyname,'123')
       })
   }
    .height('100%')
    .width('100%')
  }
}