<picker mode="region" level="city"  bindchange="bindDateChange" data-key="region" class="flex1">
        <view class="flex left acenter flex1">
          <input class="txt" type="text" placeholder="请选择" placeholder-class="#999999" value="{{formDatas.region}}" name="region" id="region" bindinput="onBindInput" disabled></input>
          <image class="xia" src="/pages/images/ico/xia.png"></image>
        </view>
      </picker>