微信小程序下拉后端查询的列表数据

<view class='top-selected' bindtap='hindMsg' style="display: flex;" >
  <button class="title p20" style="width: 70%;" >{{msg}}</button>
  <button type="primary" style="width: 30%;">新建</button>
</view>

<!-- 下拉需要显示的列表 -->
<view class="select_box" wx:if="{{select}}" >
    <view wx:for="{{mycaselist}}" wx:key="pk">
      <button class="select_one" style="width: 100%;" bindtap="selectMsg" data-name="{{item.fields.name}}">{{item.fields.name}}</button>
    </view>
  </view>

data: {
    select:false,
    msg:'--请选择--',
  },
  hindMsg() {
    this.setData({
      select: !this.data.select
    })
  },
  /**
   * 已选下拉框
   */
  selectMsg(e) {
    var name = e.currentTarget.dataset.name
    this.setData({
      msg: name,
      select: false
    });
  },