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
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='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'>确定</view>
- </view>
- </view>

主要的wxss代码(用于点赞的展示,实现小手、空心小手)
- .nodzimg2 {
- background: url(空心);
- background-size: 100%;
- }
-
- .dzimg2 {
- background: url(实心);
- 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
- })
- }
- })
- }
从后台传过来的数据

留言里面的留言
js
点击我要留言
- 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
- })
- },
留言点赞
- 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
- })
- }
- }
- })
- },
点赞返回的为点赞人的id

其中所得View初始化全部为false
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持w3xue。