Vue2仿淘宝实现省市区三级联动

 <section class="myAddress">
 <section>
 <section class="cont" @click="choseAdd()">
 <section>
 <span>所在地区：{{Province?Province:''}} {{City?City:''}} {{District?District:''}}</span>
 </section>
 <img src="../../assets/main/right.png" ">
 <div style="clear: both"></div>
 </section>
 </section>
 <!-- 居住地址三级联动选项 -->
 <section class="showChose" v-show="showChose">
 <section class="address">
 <section class="title">
 <h4>居住地址</h4>
 <span @click="closeAdd()">×</span>
 </section>
 <section class="title">
 <div class="area" @click="provinceSelected()">
 {{Province?Province:info[province-1].name}}
 </div>
 <div class="area" @click="citySelected()" :class="City?'':'active'">
 {{City?City:'请选择'}}
 </div>
 <div class="area" @click="districtSelected()" :class="District?'':'active'" v-show="City">
 {{District?District:'请选择'}}
 </div>
 </section>
 <ul>
 <li class="addList" v-for="(v,k) in info" 
 @click="getProvinceId(v.id, v.name, k)" 
 v-show="showProvince" 
 :class="v.selected ? 'active' : ''">{{v.name}}</li>
 <li class="addList" v-for="(v,k) in showCityList" 
 @click="getCityId(v.id, v.name, k)" 
 v-show="showCity" 
 :class="v.selected ? 'active' : ''">{{v.name}}</li>
 <li class="addList" v-for="(v,k) in showDistrictList" 
 @click="getDistrictId(v.id, v.name, k)" 
 v-show="showDistrict" 
 :class="v.selected ? 'active' : ''">{{v.name}}</li>
 </ul>
 </section>
 </section>
 <!-- 页面内容 -->
 <section class="cont">
 <span>详细地址：</span>
 <input type="text" v-model="address" placeholder=" 请填写详细地址">
 </section>
 </section>
</template>
<script>
 import {
 mapActions,
 mapGetters
 } from 'vuex';
 import api from './../../fetch/api.js'
 export default {
 name: 'address',
 data(){},此处的data直接下载json复制进去即可。http://download.csdn.net/detail/zhaohaixin0418/9862255。
 components: {
 MineHeader
 },
 computed: {
 ...mapGetters([
 'BCcontextPathSrc',
 'sessionId',
 'token',
 ]),
 },
 methods: {
 choseAdd: function() {
 this.showChose = true;
 },
 closeAdd: function() {
 this.showChose = false;
 },
 _filter(add, name, code) {
 let result = [];
 for (let i = 0; i < add.length; i++) {
 if (code == add[i].id) {
 result = add[i][name];
 }
 }
 return result;
 },
 getProvinceId: function(code, input, index) {
 this.province = code;
 this.Province = input;
 this.showProvince = false;
 this.showCity = true;
 this.showDistrict = false;
 this.showCityList = this._filter(this.info, 'city', this.province);
 // 点击选择当前
 this.info.map(a => a.selected = false);
 this.info[index].selected = true;
 this.areaProvince = input;
 },
 provinceSelected: function() {
 // 清除市级和区级列表
 this.showCityList = false;
 this.showDistrictList = false;
 // 清除市级和区级选项
 this.City = false;
 this.District = false;
 // 选项页面的切换
 this.showProvince = true;
 this.showCity = false;
 this.showDistrict = false;
 },
 getCityId: function(code, input, index) {
 this.city = code;
 this.City = input;
 this.showProvince = false;
 this.showCity = false;
 this.showDistrict = true;
 this.showDistrictList = this._filter(this.showCityList, 'district', this.city);
 // 选择当前添加active
 this.showCityList.map(a => a.selected = false);
 this.showCityList[index].selected = true;
 this.areaCity = input;
 },
 citySelected: function() {
 this.showProvince = false;
 this.showCity = true;
 this.showDistrict = false;
 },
 getDistrictId: function(code, input, index) {
 this.district = code;
 this.District = input;
 // 选择当前添加active
 this.showDistrictList.map(a => a.selected = false);
 this.showDistrictList[index].selected = true;
 // 选取市区选项之后关闭弹层
 this.showChose = false;
 this.areaDistrict = input;
 },
 districtSelected: function() {
 this.showProvince = false;
 this.showCity = false;
 this.showDistrict = true;
 },
 saveProfile: function() {
 api.commonApi('后台接口', 这里是贵公司后台接口，按照你们公司的改了就好
 'param_key={"head":{"TYPE":"ADD_UPD_INFO",' +
 '"SESSION_ID":"' + this.sessionId + '",' +
 '"TOKEN":"' + this.token + '","DEVICE_ID":""},' +
 '"param":{"PROVINCE":"' + this.areaProvince + '", ' +
 '"CITY":"' + this.areaCity + '", "COUNTY":"' + this.areaDistrict + '",' +
 '"ADDRESS": "' + this.address + '"}}')
 .then(res => {
 console.log(res.data);
 });
 }
 }
 }
</script>
<style scoped>
 .myAddress {
 width: 100%;
 background-color: white;
 border-top: 4px solid rgba(245, 245, 245, 1);
 color: #333;
 }
 .myAddress .cont {
 border-bottom: 1px solid rgba(245, 245, 245, 0.8);
 }
 .myAddress .cont span {
 display: inline-block;
 font-size: 0.28rem;
 color: #333;
 line-height: 0.88rem;
 margin-left: 0.32rem;
 }
 .myAddress .cont section {
 float: left;
 }
 .myAddress .cont img {
 float: right;
 width: 0.14rem;
 height: 0.24rem;
 margin: 0.32rem 0.32rem 0.32rem 0;
 }
 .showChose {
 width: 100%;
 height: 100%;
 position: fixed;
 top: 0;
 left: 0;
 z-index: 120;
 background: rgba(77, 82, 113, 0.8);
 }
 .address {
 position: absolute;
 bottom: 0;
 left: 0;
 z-index: 121;
 background: #fff;
 width: 100%;
 }
 .title h4 {
 display: inline-block;
 margin-left: 3.2rem;
 font-size: 0.32rem;
 line-height: 0.88rem;
 font-weight: normal;
 color: #999;
 }
 .title span {
 margin: 0.42rem 0 0 2.2rem;
 font-size: 0.45rem;
 line-height: 0.34rem;
 color: #D8D8D8;
 }
 .area {
 display: inline-block;
 font-size: 0.24rem;
 line-height: 0.88rem;
 margin-left: 0.42rem;
 color: #333;
 }
 .addList {
 padding-left: 0.32rem;
 font-size: 0.34rem;
 line-height: 0.88rem;
 color: #333;
 }
 /* 修改的格式 */
 .address ul {
 height: 100%;
 margin-left: 5%;
 max-height: 4.4rem;
 overflow: auto;
 }
 .address .title .active {
 color: #0071B8;
 border-bottom: 0.02rem solid #0071B8;
 }
 .address ul .active {
 color: #0071B8;
 }
</style>