app/components/bottomPopup/bottomPopup.wxml

<view class="wx-popup" hidden="{{flag}}">
  <view class="popup-wap">
    <!-- <image wx:if="{{!isCancel}}" src="{{appAssetsUrl2}}wjxy/close.png" class='popup-close' bindtap="_error"></image>
<image wx:else src="{{appAssetsUrl2}}wjxy/close.png" class='popup-close' bindtap="_error2"></image> -->
    <view class='popup-container' style="background: {{bg}};">
      <view class="wx-popup-title">
        <text>{{title}}</text>
        <text class="cancel" bindtap="_error">取消</text>
      </view>
      <view class="wx-popup-conone">
        <slot name="content">
          <view wx:for="{{content}}" wx:key="index">{{item}}</view>
        </slot>
      </view>
      <view wx:if="{{!self}}" class="{{ btn2 ? 'wx-popup-btn' : 'wx-popup-center-btn'}}">
        <text class="btn-no" wx:if="{{btn2}}" bindtap='_error'>{{btn_no}}</text>
        <text class="btn-ok" bindtap='_success'>{{btn_ok}}</text>
      </view>
      <view wx:else class="">
        <slot name="btn">
          <!-- <view wx:for="{{content}}">{{item}}</view> -->
        </slot>
      </view>
    </view>
  </view>
</view>