1.安裝vuecli腳手架
2.終端輸入

cnpm i element-ui -S

安裝element-ui
3.按需引入select元件
在main.js中寫入如下程式碼

/* 匯入第三方庫開始 */
import 'element-ui/lib/theme-chalk/index.css';
// 按需載入Select元件
import {Select,Option,Dialog,Button} from 'element-ui'
Vue.use(Select)
Vue.use(Option)
Vue.use(Dialog)
Vue.use(Button)
// Vue.component(Select
 
.name,Select);
// 或寫為Vue.use(Button)
/* 匯入第三方庫結束 */

HelloWorld.vue程式碼

<template>
<div>
    <el-dialog
      title="提示"
      :visible.sync="dialogVisible"
      width="30%">
      <span>{{selVal}}</span>
      <span slot="footer" class="dialog-footer">
        <el-button
 
 @click="dialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="dialogVisible = false">確 定</el-button>
      </span>
    </el-dialog>

      <el-select v-model="value" multiple placeholder="請選擇" @change="currentSel">
        <el-option
 
          v-for="item in options"
          :key="item.value"
          :label="item.label"
          :value="item.label">
        </el-option>
      </el-select>
</div>
</template>

<script>
  export default {
    data() {
      return {
        options: [{
          value: '選項1',
          label: '黃金糕'
        }, {
          value: '選項2',
          label: '雙皮奶'
        }, {
          value: '選項3',
          label: '蚵仔煎'
        }, {
          value: '選項4',
          label: '龍鬚麵'
        }, {
          value: '選項5',
          label: '北京烤鴨'
        }],
        value: '',
        dialogVisible: false,
        selVal : ''
      }
    },
    methods: {
      currentSel(selVal){
        this.selVal = selVal;
        this.dialogVisible = true;
      }
    }
  }
</script>