vue仿淘宝地址选择组件

Vue组件：省市区地址选择组件

<template>
  <div v-show="addressSelectShow" :style="{'left': leftValue + 'px', 'top': topValue + 'px' }" class="content">
    <ul class="area-select">
      <li v-for="(item, index) in areaMain" :key="index" :class="{'hasSelect':index === hasSelectIndex}" @click="changeArea(index)"> {{ item }} </li>
    </ul>
    <ul class="address-select">
      <div v-show="hasSelectIndex === 0">
        <li v-for="(item, index) in province" :key="index" :class="{'select-li-provice': index === pSelectLiIndex}" @click="selectProvince(index)"> {{ item.area_name }}</li>
      </div>
      <div v-show="hasSelectIndex === 1">
        <li v-for="(item, index) in city" :key="index" :class="{'select-li-provice': index === cSelectLiIndex}" @click="selectCity(index)"> {{ item.area_name }}</li>
      </div>
      <div v-show="hasSelectIndex === 2">
        <li v-for="(item, index) in area" :key="index" :class="{'select-li-provice': index === aSelectLiIndex}" @click="selectArea(index)"> {{ item.area_name }}</li>
      </div>
      <div v-show="hasSelectIndex === 3">
        <li v-for="(item, index) in street" :key="index" :class="{'select-li-provice': index === sSelectLiIndex}" @click="selectStreet(index)"> {{ item.area_name }}</li>
      </div>
    </ul>
  </div>
</template>

<script>
import { getProvince, getCity } from '@/api/address_select'
export default {
  name: 'AddressSelect',
  props: {
    addressSelectShow: { // 控制是否显示地址选择
      type: Boolean,
      default: true
    },
    leftValue: { // 定位的离左边的距离
      type: Number,
      default: 600
    },
    topValue: { // 定位的离上边的距离
      type: Number,
      default: 100
    }
  },
  data() {
    return {
      areaMain: ['省', '市', '区', '街道'],
      hasSelectIndex: 0, // 控制显示第几个
      province: [], // 循环的省份的值
      city: [], // 循环的城市的值
      area: [], // 循环的地区的值
      street: [], // 循环的街道的值
      pid: '', // 省份id
      cid: '', // 城市id
      aid: '', // 地区id
      sid: '', // 街道id
      pSelectLiIndex: '', // 选中的省的下标
      cSelectLiIndex: '', // 选中的城市的下标
      aSelectLiIndex: '', // 选中的地区的下标
      sSelectLiIndex: '', // 选中的街道的下标
      addressDetail: [], // 传给父组件的地址名称
      addressId: [] // 传给父组件的地址id
    }
  },

watch: {
  isEmpty: function(newV, oldV) {
    if (newV) {
      this.pSelectLiIndex = ''
      this.cSelectLiIndex = ''
      this.aSelectLiIndex = ''
      this.sSelectLiIndex = ''
      this.pid = ''
      this.cid = ''
      this.aid = ''
      this.sid = ''
      this.hasSelectIndex = 0
      this.addressId = []
      this.$emit('getAddressDetail', this.addressDetail, this.addressId) // 此时，父组件需通过addressId的长度是否为0来判断是否将传递过来的isEmpty设置为false ，重置选择框的值
    }
  }
},
mounted() { this.getAllProvince() }, methods: { changeArea(index) { // 切换模块 switch (index) { // 判断是否上级有值，如果上级没值则不能切换 case 1: if (!this.pid) { return } break case 2: if (!this.pid || !this.cid) { return } break case 3: if (!this.pid || !this.cid || !this.aid) { return } break default: break } this.hasSelectIndex = index }, getAllProvince() { // 获取省份列表 getProvince().then((res) => { this.province = res.data }).catch(() => {}) }, // 选择省份执行的事件  selectProvince(index) { this.addressDetail = [] this.addressId = [] this.pid = this.province[index].id this.pSelectLiIndex = index this.cSelectLiIndex = '' this.aSelectLiIndex = '' this.sSelectLiIndex = '' this.addressId[0] = this.province[index].id this.addressDetail[0] = this.province[index].area_name this.$emit('getAddressDetail', this.addressDetail, this.addressId) this.pSearchC() }, // 省份查找城市  pSearchC() { getCity(this.pid).then((res) => { // 获取省份下城市的列表 this.city = res.data this.hasSelectIndex = 1 if (this.city.length === 1) { // 如果只有一条数据，则默认选中并执行下一次查找,其他位置同理 this.hasSelectIndex = 2 this.cSelectLiIndex = 0 this.cid = this.city[0].id this.addressId.splice(1, this.addressId.length - 1) this.addressDetail.splice(1, this.addressId.length - 1) this.addressId[1] = this.city[0].id this.addressDetail[1] = this.city[0].area_name this.$emit('getAddressDetail', this.addressDetail, this.addressId) this.cSearchA() } }).catch(() => {}) }, // 选择市执行的事件  selectCity(index) { this.cid = this.city[index].id this.cSelectLiIndex = index this.aSelectLiIndex = '' this.sSelectLiIndex = '' this.addressId.splice(index, this.addressId.length - 1) this.addressId[1] = this.city[index].id this.addressDetail.splice(1, this.addressDetail.length - 1) this.addressDetail[1] = this.city[index].area_name this.$emit('getAddressDetail', this.addressDetail, this.addressId) this.cSearchA() }, // 市查找区  cSearchA() { getCity(this.cid).then((res) => { // 获取城市下地区的列表 this.area = res.data this.hasSelectIndex = 2 if (this.area.length === 1) { this.hasSelectIndex = 3 this.aSelectLiIndex = 0 this.aid = this.area[0].id this.addressId.splice(2, this.addressId.length - 1) this.addressDetail.splice(2, this.addressId.length - 1) this.addressId[2] = this.area[0].id this.addressDetail[2] = this.area[0].area_name this.$emit('getAddressDetail', this.addressDetail, this.addressId) this.aSearchS() } }).catch(() => {}) }, // 选择区执行的事件  selectArea(index) { this.aid = this.area[index].id this.aSelectLiIndex = index this.sSelectLiIndex = '' this.addressId.splice(2, this.addressId.length - 1) this.addressId[2] = this.area[index].id this.addressDetail.splice(2, this.addressId.length - 1) this.addressDetail[2] = this.area[index].area_name this.$emit('getAddressDetail', this.addressDetail, this.addressId) this.aSearchS() }, // 区查找街道  aSearchS() { getCity(this.aid).then((res) => { // 获取地区下街道的列表 this.street = res.data const obj = { id: '123456', area_name: '暂不选择' } this.street.unshift(obj) this.hasSelectIndex = 3 if (this.street.length === 1) { this.sSelectLiIndex = 0 this.sid = this.street[0].id this.addressId.splice(3, this.addressId.length - 1) this.addressDetail.splice(3, this.addressId.length - 1) this.addressId[3] = this.street[0].id this.addressDetail[3] = this.street[0].area_name this.$emit('getAddressDetail', this.addressDetail, this.addressId) } }).catch(() => {}) }, // 选择区执行的事件  selectStreet(index) { this.sid = this.street[index].id this.sSelectLiIndex = index this.addressId[3] = this.street[index].id this.addressDetail[3] = this.street[index].area_name this.$emit('getAddressDetail', this.addressDetail, this.addressId) } } } </script> <style scoped rel="stylesheet/scss" lang="scss"> .content{ position: absolute; z-index: 10; background: white; .area-select{  425px; height: 30px; margin: 0; padding: 0; border: 1px solid #CCCCCC; li{ list-style: none; float: left; height: 28px; line-height: 28px; text-align: center; background: #f0f0f0;  25%; cursor: pointer; } .hasSelect{ background: #FFFFFF; } } .address-select{  425px; margin: 0; padding: 5px 10px; overflow-y: scroll; overflow-x: scroll; height: 320px; border: 1px solid #CCCCCC; border-top: 0; li{ height: 40px; padding: 10px 5px; line-height: 20px; cursor: pointer; } .select-li-provice{ color: #1470cc; cursor: default; } li:hover{ color: #968CFF; } } } </style>

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