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微信小程序?qū)崿F(xiàn)留言功能

 更新時(shí)間：2018年10月31日 14:46:31   作者：陣雨丶  
這篇文章主要為大家詳細(xì)介紹了微信小程序?qū)崿F(xiàn)留言功能，具有一定的參考價(jià)值，感興趣的小伙伴們可以參考一下

需求：留言可以點(diǎn)贊，點(diǎn)過(guò)贊之后圖標(biāo)變化，沒(méi)人只能點(diǎn)贊一次，留言可以在留言

index.wxml

<view class='liuyanbox'>
 <view class='ly-title clear'>
  <view class='llt-left fl'>鄰居評(píng)論（{{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='https://jpadmin.99dudesign.com/public/img/source/btn_icon_huifu.png'></image>
     </view>
     <view class='fr dianzan clear'>
      <!-- <image class='dzimg fl' src='https://jpadmin.99dudesign.com/public/img/source/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'>確定</view>
</view>
</view>

主要的wxss代碼（用于點(diǎn)贊的展示，實(shí)現(xiàn)小手、空心小手）

.nodzimg2 {
 background: url(空心);
 background-size: 100%;
}
 
.dzimg2 {
 background: url(實(shí)心);
 background-size: 100%;
}

js

var liuynfun = function (that) {
 wx.request({
  url: getApp().data.host + '...',
  method: "POST",
  data: {
   "column": "Routine",
   "row_id": that.data.url
  },
  header: {
   'content-type': 'application/x-www-form-urlencoded'
  },
  success: function (res) {
   if (res.data.list != "") {
    //第一行留言
    for (var i in res.data.list) {
     res.data.list[i].lldzView = false;
     if (res.data.list[i].like_user != null) {
      if (res.data.list[i].like_user.indexOf(wx.getStorageSync('user_id')) != "-1") {
       res.data.list[i].lldzView = true
      }
     }
     // 第二行留言
     if (res.data.list[i]._child){
      for (var j in res.data.list[i]._child){
       res.data.list[i]._child[j].cnmView=false
       if (res.data.list[i]._child[j].like_user != null) {
        if (res.data.list[i]._child[j].like_user.indexOf(wx.getStorageSync('user_id')) != "-1") {
         res.data.list[i]._child[j].cnmView = true
        }
       }
      }
     }
    }
 
   }
   that.setData({
    yanlist: res.data
   })
  }
 })
}

從后臺(tái)傳過(guò)來(lái)的數(shù)據(jù)


留言里面的留言

js

點(diǎn)擊我要留言

liuynChange: function (e) {
  var that = this;
  console.log(e.currentTarget.dataset.id)
  that.setData({
   llbView: true,
   pid: e.currentTarget.dataset.id,
   to_user_id: e.currentTarget.dataset.user
  })
 },

留言點(diǎn)贊

llzanChangeTwo: function (e) { 
  console.log(e) 
  var that = this; 
  wx.request({ 
   url: getApp().data.host + '...', 
   method: "POST", 
   data: { 
    "column": "Reply", 
    "user_id": wx.getStorageSync('user_id'), 
    "id": e.currentTarget.dataset.id 
   }, 
   header: { 
    'content-type': 'application/x-www-form-urlencoded' 
   }, 
   success: function (res) { 
    var data = that.data.yanlist 
    console.log(data) 
    if (res.data != null) { 
     if (res.data.indexOf(wx.getStorageSync('user_id')) == "-1") { 
      for (var i in data.list) { 
       if (data.list[i]._child) { 
        for (var j in data.list[i]._child) { 
         if (e.currentTarget.dataset.id == data.list[i]._child[j].id) { 
          data.list[i]._child[j].cnmView=true 
          data.list[i]._child[j].like_count = parseInt(data.list[i]._child[j].like_count) + 1 
         } 
        } 
       } 
      } 
      that.setData({ 
       yanlist: data 
      }) 
     } 
    } else { 
     for (var i in data.list) { 
      if (data.list[i]._child) { 
       for (var j in data.list[i]._child) { 
        if (e.currentTarget.dataset.id == data.list[i]._child[j].id) { 
         data.list[i]._child[j].cnmView = true 
         data.list[i]._child[j].like_count = parseInt(data.list[i]._child[j].like_count) + 1 
        } 
       } 
      } 
     } 
     that.setData({ 
      yanlist: data 
     }) 
    } 
   } 
  }) 
 },

點(diǎn)贊返回的為點(diǎn)贊人的id

其中所得View初始化全部為false

以上就是本文的全部?jī)?nèi)容，希望對(duì)大家的學(xué)習(xí)有所幫助，也希望大家多多支持腳本之家。

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