vue中插入节点

<div v-for="(item, index) in divList">

    <el-select v-model="item.rewardType" class="cell_width" @change="((val)=>{changeRewardType(val,index)})">

      <el-option

        v-for="itemOpt in rewardTypeList"

        :key="itemOpt.value"

        :label="itemOpt.label"

        :value="itemOpt.value"

      ></el-option>

    </el-select>

<div v-if="index!=divList.length-1" style="line-height: 114px; font-size:32px; cursor: pointer;" @click="removeSetter(index)">-</div>

            <div v-else style="line-height: 114px; font-size:32px; cursor: pointer;" @click="addSetter">＋</div>

</div>

data(){

return{divList:[{rewardType:''}]}

}

            addSetter(){

                this.divList.push({rewardType:''});

            },

            removeSetter(i){

                this.divList.splice(i,1)

            }