微信小程序实现留言功能-创新互联

需求：留言可以点赞，点过赞之后图标变化，没人只能点赞一次，留言可以在留言

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index.wxml

<view class='liuyanbox'>
 <view class='ly-title clear'>
  <view class='llt-left fl'>邻居评论（{{yanlist.count}}）</view>
  <view class='llt-right fr' data-id="0" data-user="{{list.user_id}}" bindtap='liuynChange'>我要留言</view>
 </view>
 <view>
  <view class='xunhuan' wx:for="{{yanlist.list}}">
   <view class='zuobianll'>
    <view class='ll-content clear'>
     <view class='llc-touxiang fl'>
      <image class='llc-image' src='{{item.avatar}}'></image>
     </view>
     <view class='llc-nall fl clear'>
      <view class='clear'>
       <view class='llc-name fl'>{{item.nick_name}}</view>
       <view class='llc-time fl'>{{item.create_date}}</view>
      </view>
      <view class='ll-lynr'>
       <text space="emsp" class='ll-trxt'>{{item.content}}</text>
      </view>
     </view>
    </view>
    <view class='haz clear'>
     <view class='fr huifu'>
      <image class='hf-img' data-id="{{item.id}}" data-user="{{item.user_id}}" bindtap='liuynChange' src='/file/tupian/20230213/btn_icon_huifu.png'></image>
     </view>
     <view class='fr dianzan clear'>
      <!-- <image class='dzimg fl' src='/file/tupian/20230213/btn_icon_zhendianzan.png' data-id="{{item.id}}" bindtap='llzanChange'></image> -->
      <view class='dzimg fl {{item.lldzView?"dzimg2":"nodzimg2"}}' data-id="{{item.id}}" bindtap='llzanChange'></view>
      <view class='dz-num fl' data-text="{{item.like_count}}">{{item.like_count}}</view>
     </view>
    </view>
   </view>
   <view class='one-huiwo' wx:if="{{item._child}}!=null" wx:for="{{item._child}}">
    <view class='hw-top clear'>
     <view class='htop-tx fl'>
      <image class='htptx-img' src='{{item.avatar}}'></image>
     </view>
     <view class='htop-you fl '>
      <view class='htop-name clear '>
       <view class='fl hh-name'>{{item.nick_name}}</view>
       <view class='fl hh-time'>{{item.create_date}}</view>
      </view>
      <view class='htop-content '>
       <text class='' space="emsp">{{item.content}}</text>
      </view>
     </view>
    </view>
    <view class='htop-dz clear'>
     <view class='fr hhdznum' data-text="{{item.like_count}}">{{item.like_count}}</view>
     <view class='fr dz {{item.cnmView?"dzimg2":"nodzimg2"}}' data-id="{{item.id}}" bindtap='llzanChangeTwo'></view>
    </view>
   </view>
  </view>
 </view>
</view>
<!-- 留言 -->
<view class='zhegai hide {{llbView?"block":""}}' bindtap='llbquxiao'></view>
<view class='liuyanban hide {{llbView?"block":""}}'>
<view class='liuybtitle'>留言</view>
<textarea class='shuruk' value="{{llbcontent}}" bindinput="llbInput"></textarea>
<view class='qandq clear'>
<view class='quxiao fl' bindtap='llbquxiao'>取消</view>
<view class='queding fl' bindtap='llbChange'>确定</view>
</view>
</view>