<el-select v-model="select" slot="prepend" placeholder="请选择" @change="searchPostFn($event,'123')">

          <el-option

            :label="item.ziDianShuJu"

            :value="{value:item.id, label:item.ziDianShuJu}"

            v-for="item in dictionAry" :key="item.id">

          </el-option>

        </el-select>

searchPostFn(e,val){

      console.log(e,'------'+val,'-----------row')

    },