vue vant Area组件使用详解

import areaList from '../../assets/area/area.js'

import { Area, Popup } from 'vue-router'
Vue.use(Area)
Vue.use(Popup)

<van-cell is-link @click="showPopup" v-model="carmodel">选择需要显示的城市</van-cell>
<van-popup
  v-model="show"
  position="bottom"
  :style="{ height: '50%' }">
  <van-area :area-list="areaList" :columns-num="2" ref="myArea" title="标题" @change="onChange" @confirm="onConfirm" @cancel="onCancel"/>
</van-popup>

export default {
  data() {
    return {
      areaList,
      show:false,
      carmodel:''
    }
  },
  methods:{
    // 弹出层显示
    showPopup() {
      this.show = true;
      
    },
    //value=0改变省，1改变市，2改变区
    onChange(picker, index, value){
      let val = picker.getValues();
      console.log(val)//查看打印
      let areaName = ''
      for (var i = 0; i < val.length; i++) {
        areaName = areaName+(i==0?'':'/')+val[i].name
      }
      this.carmodel = areaName
    },
    //确定选择城市
    onConfirm(val){
      console.log(val[0].name+","+val[1].name)
      this.show = false//关闭弹框
    },
    //取消选中城市
    onCancel(){
       this.show = false
       this.$refs.myArea.reset()// 重置城市列表
    }

  }
}