<el-form ref="form" :model="form" style="width:300px;margin:0 auto;">
      <el-form-item label="名字">
        <el-select @change="selectGet" v-model="form.region" placeholder="請選擇名字">
          <el-option 
            v-for="item in selectList" 
            :key="item.id"
            :label="item.name"
            :value="item.id"
          ></el-option>
        </el-select>
      </el-form-item>
    </el-form>
 

data裡面：

  data() {
    return {
      selectList:[
          {id:0,name:'張三'},
          {id:1,name:'裡三'},
          {id:2,name:'李四'}
        ],
      form: {
        region: ""
      }
    };
  },

    selectGet(vId){
      let obj = {};
      obj = this.selectList.find((item)=>{//這裡的selectList就是上面遍歷的資料來源
          return item.id === vId;//篩選出匹配資料
      });
      console.log(obj.name);//我這邊的name就是對應label的
      console.log(obj.id);
    }