vue中mintui picker选择器实现省市二级联动

<!-- 页面模版 --> 
<template> 
 <p> 
  <!--header--> 
  <com-header :title="headerData.title" :toLink="headerData.toLink"></com-header> 
  <!--header end--> 
  <!--container--> 
  <p class="ybb-yuyue"> 
   <p class="yy-item-box mine-me"> 
    <a class="mint-cell mint-field"> 
     <p class="mint-cell-left"></p> 
     <p class="mint-cell-wrapper"> 
      <p class="mint-cell-title"> 
       <span class="mint-cell-text">头像</span> 
      </p> 
      <p class="mint-cell-value"> 
       <p class="mint-cell-value"></p> 
       <img  v-bind:src="data.photo" :onerror="headImg" class="img-box5" alt="vue中mintui picker选择器实现省市二级联动" > 
      </p> 
     </p> 
    </a> 
   </p> 
   <p class="yy-item-box mine-me"> 
    <a class="mint-cell mint-field"> 
     <p class="mint-cell-left"></p> 
     <p class="mint-cell-wrapper"> 
      <p class="mint-cell-title"> 
       <span class="mint-cell-text">姓名</span> 
      </p> 
      <p class="mint-cell-value"> 
       <p class="mint-cell-value"> 
        <input placeholder="请输入姓名" type="text" class="mint-field-core text-right" v-model="data.userName"> 
        <p class="mint-field-clear" style="display: none;"><i class="mintui mintui-field-error"></i></p> 
       </p> 
      </p> 
     </p> 
    </a> 
    <a class="mint-cell mint-field"> 
     <p class="mint-cell-left"></p> 
     <p class="mint-cell-wrapper"> 
      <p class="mint-cell-title"> 
       <span class="mint-cell-text">性别</span> 
      </p> 
      <p class="mint-cell-value"> 
       <p class="mint-cell-value is-link" @click="sexVisible = true"> 
        <input placeholder="请选择性别" type="text" class="mint-field-core text-right" readonly="readonly" v-model="data.sexText"> 
        <p class="mint-field-clear" style="display: none;"><i class="mintui mintui-field-error"></i></p> 
       </p> 
      </p> 
      <i class="mint-cell-allow-right"></i> 
      <mt-actionsheet :actions="sexs" v-model="sexVisible" cancel-text="取消"></mt-actionsheet> 
     </p> 
    </a> 
    <a class="mint-cell mint-field"> 
     <p class="mint-cell-left"></p> 
     <p class="mint-cell-wrapper"> 
      <p class="mint-cell-title"> 
       <span class="mint-cell-text">出生日期</span> 
      </p> 
      <p class="mint-cell-value"> 
       <p class="mint-cell-value is-link" @click="open(&#39;datePicker&#39;)"> 
        <input placeholder="请选择日期" type="text" class="mint-field-core text-right" readonly="readonly" v-model="data.birthday"> 
        <p class="mint-field-clear" style="display: none;"><i class="mintui mintui-field-error"></i></p> 
       </p> 
      </p> 
      <i class="mint-cell-allow-right"></i> 
      <mt-datetime-picker 
       ref="datePicker" 
       type="date" 
       :startDate="startDate" 
       :endDate="endDate" 
       v-model="dateValue" 
       @confirm="handleChange"> 
      </mt-datetime-picker> 
     </p> 
    </a> 
   </p> 
   <p class="yy-item-box mine-me"> 
    <a class="mint-cell mint-field"> 
     <p class="mint-cell-left"></p> 
     <p class="mint-cell-wrapper"> 
      <p class="mint-cell-title"> 
       <span class="mint-cell-text">电话号码</span> 
      </p> 
      <p class="mint-cell-value"> 
       <p class="mint-cell-value"> 
        <input placeholder="请输入电话号码" type="text" readonly="readonly" class="mint-field-core text-right gray" v-model="data.mobile"> 
        <p class="mint-field-clear" style="display: none;"><i class="mintui mintui-field-error"></i></p> 
       </p> 
      </p> 
     </p> 
    </a> 
    <a class="mint-cell mint-field"> 
     <p class="mint-cell-left"></p> 
     <p class="mint-cell-wrapper"> 
      <p class="mint-cell-title"> 
       <span class="mint-cell-text">所在地区</span> 
      </p> 
      <p class="mint-cell-value"> 
       <p class="mint-cell-value is-link" @click="choiceArea"> 
        <input placeholder="请选择省市" type="text" class="mint-field-core text-right" readonly="readonly" v-model="data.areaText"> 
        <p class="mint-field-clear" style="display: none;"><i class="mintui mintui-field-error"></i></p> 
       </p> 
      </p> 
      <i class="mint-cell-allow-right"></i> 
      <mt-popup v-model="popupVisible" position="bottom" class="mint-popup-4"> 
       <p class="picker-toolbar"> 
        <span class="mint-datetime-action mint-datetime-cancel" @click="cancleaddress">取消</span> 
        <span class="mint-datetime-action mint-datetime-confirm" @click="selectaddress">确定</span> 
       </p> 
       <mt-picker :slots="citySlots" @change="onCityChange" :visible-item-count="3"></mt-picker> 
      </mt-popup> 
     </p> 
    </a> 
    <a class="mint-cell mint-field"> 
     <p class="mint-cell-left"></p> 
     <p class="mint-cell-wrapper"> 
      <p class="mint-cell-title"> 
       <span class="mint-cell-text">详细地址</span> 
      </p> 
      <p class="mint-cell-value"> 
       <p class="mint-cell-value"> 
        <input placeholder="街道、楼牌号等" type="text" class="mint-field-core text-right" v-model="data.address"> 
        <p class="mint-field-clear" style="display: none;"><i class="mintui mintui-field-error"></i></p> 
       </p> 
      </p> 
     </p> 
    </a> 
   </p> 
  </p> 
  <p class="yuyue-submit"> 
   <button class="mint-button mint-button--default mint-button--large ybb-btn" @click="infoSave"><label class="mint-button-text title-1">保存</label></button> 
  </p> 
  <!--container end--> 
 </p> 
</template> 
<script> 
import {Toast} from &#39;mint-ui&#39; 
import validators from &#39;../utils/validators&#39; 
import comHeader from &#39;components/comHeader&#39; 
import mineInfoService from &#39;SERVICES/mineInfoService&#39; 
 
export default { 
 components: { 
  comHeader 
 }, 
 data: () => ({ 
  headImg: &#39;this.src="&#39; + require(&#39;../assets/img.png&#39;) + &#39;"&#39;, 
  headerData: { 
   title: &#39;我的资料&#39;, 
   toLink: &#39;/Mine&#39; 
  }, 
  popupVisible: false, 
  sexVisible: false, 
  areaPicker: &#39;&#39;, 
  areaList: [], 
  data: { 
   photo: &#39;&#39;, 
   userName: &#39;&#39;, 
   sex: &#39;&#39;, 
   sexText: &#39;&#39;, 
   mobile: &#39;&#39;, 
   birthday: &#39;&#39;, 
   privinceName: &#39;&#39;, 
   provinceId: &#39;&#39;, 
   cityName: &#39;&#39;, 
   cityId: &#39;&#39;, 
   address: &#39;&#39;, 
   areaText: &#39;&#39; 
  }, 
  sexs: [], 
  citySlots: [ 
   { 
    flex: 1, 
    values: Object.keys(address), 
    className: &#39;slot1&#39;, 
    textAlign: &#39;center&#39; 
   }, { 
    pider: true, 
    content: &#39;-&#39;, 
    className: &#39;slot2&#39; 
   }, { 
    flex: 1, 
    values: Object.values(address)[0], 
    className: &#39;slot3&#39;, 
    textAlign: &#39;center&#39; 
   } 
  ], 
  addressProvince: &#39;&#39;, 
  addressProvinceId: &#39;&#39;, 
  addressCity: &#39;&#39;, 
  addressCityId: &#39;&#39;, 
  dateValue: new Date(), 
  startDate: new Date(&#39;1900-01-01&#39;), 
  endDate: new Date() 
 }), 
 created () { 
  this.loadMineInfo() 
  this.loadAreaList() 
 }, 
 mounted () { 
  this.sexs = [{ 
   name: &#39;男&#39;, 
   method: this.selectMan 
  }, { 
   name: &#39;女&#39;, 
   method: this.selectWoman 
  }] 
 }, 
 methods: { 
  loadAreaList: function () { 
   mineInfoService.loadAreaList().then(res => { 
    if (res.t) { 
     this.areaList = res.t 
     address = this.areaList.areaList[0] 
     provinceCodeList = this.areaList.provinceCodeList[0] 
     cityCodeList = this.areaList.cityCodeList[0] 
     this.citySlots[0].values = Object.keys(address) 
     this.citySlots[2].values = Object.values(address)[0] 
    } else { 
     Toast(&#39;地区数据异常&#39;) 
    } 
   }) 
  }, 
  choiceArea: function () { 
   this.popupVisible = true 
   // 设置默认选中 
   if (this.data.privinceName !== &#39;&#39; && this.data.cityName !== &#39;&#39;) { 
    this.areaPicker.setSlotValue(0, this.data.privinceName) 
    this.areaPicker.setSlotValue(1, this.data.cityName) 
    console.log(this.data.privinceName + &#39;-&#39; + this.data.cityName) 
   } 
  }, 
  cancleaddress: function () { 
   this.popupVisible = false 
   this.areaPicker.setSlotValue(0, this.data.privinceName) 
   this.areaPicker.setSlotValue(1, this.data.cityName) 
  }, 
  selectaddress: function () { 
   this.popupVisible = false 
   this.data.privinceName = this.addressProvince 
   this.data.cityName = this.addressCity 
   this.data.provinceId = this.addressProvinceId 
   this.data.cityId = this.addressCityId 
   this.data.areaText = this.data.privinceName + this.data.cityName 
  }, 
  infoSave: function () { 
   if (this.data.userName.trim() === &#39;&#39;) { 
    Toast(&#39;请输入姓名&#39;) 
   } else if (this.data.userName.trim().length > 12) { 
    Toast(&#39;姓名不能超过12个字符&#39;) 
   } else if (this.data.sex.toString().trim() === &#39;&#39;) { 
    Toast(&#39;请选择性别&#39;) 
   } else if (this.data.birthday.trim() === &#39;&#39;) { 
    Toast(&#39;请选择出生日期&#39;) 
   } else if (this.data.mobile.trim() === &#39;&#39;) { 
    Toast(&#39;请输入电话号码&#39;) 
   } else if (!validators.mobile(this.data.mobile.trim())) { 
    Toast(&#39;电话号码不正确&#39;) 
   } else if (this.data.areaText.toString().trim() === &#39;&#39;) { 
    Toast(&#39;请选择所在地区&#39;) 
   } else if (this.data.address.trim() === &#39;&#39;) { 
    Toast(&#39;请输入详细地址&#39;) 
   } else if (this.data.address.trim().length > 50) { 
    Toast(&#39;详细地址不能超过50个字符&#39;) 
   } else { 
    this.doAdd() 
   } 
  }, 
  doAdd: function () { 
   mineInfoService.updateAccount(this.data).then(res => { 
    Toast(&#39;修改成功&#39;) 
    this.$router.push(&#39;/Mine&#39;) 
   }) 
  }, 
  loadMineInfo: function () { 
   mineInfoService.loadMineInfo().then(res => { 
    this.data.photo = res.t.member.photo || &#39;&#39; 
    this.data.userName = res.t.member.userName || &#39;&#39; 
    this.data.sex = res.t.member.sex || &#39;&#39; 
    this.data.sexText = res.t.member.sex === &#39;1&#39; ? &#39;男&#39; : (res.t.member.sex === &#39;0&#39; ? &#39;女&#39; : &#39;&#39;) 
    this.data.mobile = res.t.member.mobile || &#39;&#39; 
    this.data.birthday = res.t.member.birthday || &#39;&#39; 
    this.data.area = res.t.member.area || &#39;&#39; 
    this.data.address = res.t.member.address || &#39;&#39; 
    this.dateValue = this.data.birthday 
    this.data.privinceName = res.t.member.priviceName || &#39;&#39; 
    this.data.cityName = res.t.member.cityName || &#39;&#39; 
    this.data.provinceId = res.t.member.provinceId || &#39;&#39; 
    this.data.cityId = res.t.member.cityId || &#39;&#39; 
    this.data.areaText = this.data.privinceName + this.data.cityName 
   }) 
  }, 
  onCityChange: function (picker, values) { 
   this.areaPicker = picker 
   /* 此处不直接使用this.data.privinceName、this.data.cityName、this.data.provinceId、this.data.cityId，由于在加载地区信息之后，我又重新设置了绑定到slots属性的值，此时也会触发@change事件，所以在nCityChange方法里需要用四个变量替代上述四个变量来记录当前选中的值，然后在点击确定之后的方法里将这四个值赋给上述四个变量。如果直接在该方法里使用上述四个变量来获取当前选中的值，可能导致数据错乱 */ 
   picker.setSlotValues(1, address[values[0]]) 
   this.addressProvince = values[0] 
   this.addressCity = values[1] 
   this.addressProvinceId = provinceCodeList[this.addressProvince] + &#39;&#39; 
   this.addressCityId = cityCodeList[this.addressCity] + &#39;&#39; 
  }, 
  open: function (picker) { 
   this.dateValue = this.data.birthday 
   this.$refs[picker].open() 
  }, 
  handleChange: function (value) { 
   this.data.birthday = window.moment(value).format(&#39;YYYY-MM-DD&#39;) 
  }, 
  selectMan: function () { 
   this.data.sex = &#39;1&#39; 
   this.data.sexText = &#39;男&#39; 
  }, 
  selectWoman: function () { 
   this.data.sex = &#39;0&#39; 
   this.data.sexText = &#39;女&#39; 
  } 
 } 
} 
 
let address = {} 
let provinceCodeList = {} 
let cityCodeList = {} 
</script> 
<style scoped> 
.mint-popup-4 { 
  width: 100%; 
} 
.mint-popup-4 .picker-slot-wrapper, .page-popup .mint-popup-4 .picker-item { 
  -webkit-backface-visibility: hidden; 
  backface-visibility: hidden; 
} 
</style>

{ 
  "code": 200, 
  "msg": "获取区域信息成功！", 
  "t": { 
    "areaList": [ 
      { 
        "上海": [ 
          "上海" 
        ], 
        "北京": [ 
          "北京" 
        ], 
        "广东": [ 
          "广州", 
          "深圳" 
        ], 
        "江苏": [ 
          "徐州", 
          "南京" 
        ], 
        "福建": [ 
          "福州" 
        ] 
      } 
    ], 
    "provinceCodeList": [ 
      { 
        "上海": [ 
          "120001" 
        ], 
        "北京": [ 
          "110001" 
        ], 
        "广东": [ 
          "130001" 
        ], 
        "江苏": [ 
          "130007" 
        ], 
        "福建": [ 
          "0100" 
        ] 
      } 
    ], 
    "cityCodeList": [ 
      { 
        "上海": [ 
          "120002" 
        ], 
        "北京": [ 
          "110002" 
        ], 
        "广州": [ 
          "130002" 
        ], 
        "南京": [ 
          "130006" 
        ], 
        "深圳": [ 
          "518000" 
        ], 
        "福州": [ 
          "0200" 
        ], 
        "徐州": [ 
          "130009" 
        ] 
      } 
    ] 
  } 
}