Vue实现答题功能

<div class="active_title">
      <span>{{ orderTitle }}</span>
</div>
<p v-show="toanswer" ref="question">{{ title }}</p>
<div class="answer-btns" @click="answerClick($event)">
    <span class="answer-btn" :class="`${isRight && item.result == 1?‘right‘:‘‘}`" v-for="item in answer" :data-result=‘item.result‘>{{ item.name }} <i class="iconfont icon-wrong">&#xe677;</i><i v-show="isRight && item.result == 1" class="iconfont icon-right">&#xe678;</i>
    </span>
</div>

getAllData() {
   this.$axios.get(答题接口).then((res)=>{
     if(parseInt(res.data.errCode)>=0){
       this.allData=res.data.data
       if(this.allData.question.length > 0) {
          this.toanswer = true
       }            
         this.title = this.allData.question[0].title//第几题
         this.answer = this.allData.question[0].answner//第几题问题
    }else{
       this.toast = this.$createToast({
          txt: res.data.message,
          type: ‘txt‘
        })
       this.toast.show()
    }
   }).catch((err)=>{
      console.log(err)
    })
},