vue 数据变了，视图不变,急！！！！！！！！！！！

Question

<div class="questions-list-give" @click.stop="spotFabulous(item.id,item.switch,index)">

 <div>
  <i class="iconfont icon-dianzan dz" v-if="item.switch == true" ></i>  
  <i class="iconfont icon-dianzan wdz" v-else></i>
      <div>{{item.likeCount}}</div>
 </div>

</div>

//点赞

  spotFabulous(id,swit,index){      let data = {
          questionId:id,//问题编号
          isLike:swit//是否喜欢
      };      if(swit == false){          console.log(swit)          console.log("点赞")          this.$set(this.listAnswersInfo[index],"switch",true)
      }else{          console.log(swit)          console.log("取消点赞")          this.$set(this.listAnswersInfo[index],"switch",false)
      }
   }
},

Answer 1

this.$forceUpdate()

Answer 2

亲测有效：this.$forceUpdate()