wxml代码

<picker mode="multiSelector" bindchange="pickAreaChange" bindcolumnchange="pickAreaColumn" value="{{areaIndex}}" range="{{pickArea}}">
          <view class="section">
            <view class="section-title">常驻地址</view>
            <input class="section-form-item" name="area"
              value="{{pickArea[0][areaIndex[0]]}}{{pickArea[1][areaIndex[1]]}}" placeholder="请选择省市" placeholder-class="placeholder" disabled />
          </view>
      </picker>

js代码

onLoad: function (options) {
    wx.showLoading({
      title: '加载中...',
    })
    let address1 = wx.getStorageSync('User').provinceName,
    address2 = wx.getStorageSync('User').cityName;
    if(address1&&address2){
//循环省数组 判断用户信息里的省份
      for(let i=0;i<province.length;i++){
        if(province[i] === address1){
//获取到对应省份后 取出对应省份的市区数据
            let thiscity = ((util.city || []).filter(v => { return v.parent_code == util.province[i].code }) || []).map(v => {
              return v.title
            })
            for(let index=0;index<thiscity.length;index++){
              if(thiscity[index]===address2){
                this.setData({
                  areaIndex:[i,index],
                  pickArea:[province,thiscity]
                })
                break;
              }
            }
            console.log(thiscity,'<==thiscity=','=index==>',this.data.areaIndex)
            break;
        }
      }
    }else{
      this.setData({
        pickArea:[province,city]
      })
    }
    //初始化p_c
    this.setData({ 
      user:wx.getStorageSync('User'),
      wechatNickname:wx.getStorageSync('User').wechatNickname,
      realName:wx.getStorageSync('User').realName,
      phoneNo:wx.getStorageSync('User').phoneNo,
      labelI:wx.getStorageSync('User').accountJob,
      sexIndex:wx.getStorageSync('User').accountSex
    })
    wx.hideLoading()
  },

在onload里判断是否有用户信息的缓存 然后决定选择器内的值

图一ios端的显示异常 图二android端显示正常 网上没找到原因 所以怀疑是微信对ios的兼容性问题

图一： 图二：