vue mint-ui 如何实现省市区街道4级联动示例(仿淘宝京东收货地址4级联动)

本文介绍了vue mint-ui 实现省市区街道4级联动示例(仿淘宝京东收货地址4级联动)

先去下载一个“省份、城市、区县、乡镇” 四级联动数据，然后

引入

import { Picker } from 'mint-ui'; //前提是npm install mint-ui -S

Vue.component(Picker.name, Picker);

组件使用

 <mt-picker :slots="addressSlots" class="picker" @change="onAddressChange" :visible-item-count="5" ></mt-picker >

<mt-picker :slots="streetSlots" ref="picker" class="picker" @change="onStreetChange" :visible-item-count="5" ></mt-picker >
上门服务地址:{{ addressProvince }} {{ addressCity }}

组件方法

<script type="text/ecmascript-6" >
 
 import s from '../../statics/mobile/json/address4.json'
 
 export default {
  name: 'address',
  data () {
   return {
    companyName:'',
    addressSlots: [
     {
      flex: 1,
      defaultIndex: 1,
      values: Object.keys(s),
      className: 'slot1',
      textAlign: 'center'
     }, {
      divider: true,
      content: '-',
      className: 'slot2'
     }, {
      flex: 1,
      values: [],
      className: 'slot3',
      textAlign: 'center'
     }, {
      divider: true,
      content: '-',
      className: 'slot4'
     }, {
      flex: 1,
      values: [],
      className: 'slot5',
      textAlign: 'center'
     }
    ],
    streetSlots: [
     {
      flex: 1,
      values: [],
      className: 'slot1',
      textAlign: 'center'
     }
    ],
    addressProvince: '省',
    addressCity: '市',
    addressXian: '区',
    addressStreet: '街道',
    
   }
  },
  methods: {
   
   onAddressChange(picker, values) {
    let sheng = Object.keys(s);
    let shi = Object.keys(s[values[0]]);

　　　　　　let index=shi.indexOf(values[1])
　　　　　　let xian = s[values[0]][shi[index]];
　　　　　this.xianObj = xian;
    picker.setSlotValues(1, shi);
    this.addressProvince = values[0];
    this.addressCity = values[1];
    this.addressXian = values[2];
    picker.setSlotValues(2, Object.keys(xian));
   },
   onStreetChange(picker, values){
    this.addressStreet = values[0]
   },
  
  
  },
  watch: {
   'addressXian': {
    handler(val, oval){
     let street = this.xianObj[this.addressXian]
     this.streetSlots[0].values = street
    }
   }
  },
  created(){
   
  },
  mounted(){
   this.$nextTick(() => {
    setTimeout(() => {//这个是一个初始化默认值的一个技巧
     this.addressSlots[0].defaultIndex = 0;
    }, 100);
   });



  }
 }
</script >

完成效果

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