dialog.wxml

<view bindtap="close" class="weui-mask {{!show ? 'weui-mask_hidden' : '' }}" wx:if="{{mask}}"></view>
<view wx:if="{{show}}" bindtap="close" class="weui-dialog__wrp {{extClass}}">
    <view class="weui-dialog" catchtap="stopEvent">
      <view class="weui-dialog__hd">
        <view class="weui-dialog__title">{{title}}
          <slot name="title"></slot>
        </view>
      </view>
      <view class="weui-dialog__bd">
        <slot name="content"></slot>
      </view>
      <view class="weui-dialog__ft" wx:if="{{buttons && buttons.length}}">
        <view wx:for="{{buttons}}" wx:key="index" class="weui-dialog__btn {{item.className}} {{item.extClass}}" hover-class="weui-active" data-index="{{index}}" bindtap="buttonTap">{{item.text}}</view>
      </view>
      <slot name="footer" wx:else></slot>
    </view>
</view>