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//answer.js
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let dianzan=false
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var app = getApp()
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Page({
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data: {
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motto: '知乎--微信小程序版',
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userInfo: {},
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feed: [],
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//修改
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pinglun:[], //评论数组
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content:'',
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detail: '',
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dianzanUrl: "../../images/heart2.png",
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comment_num:0
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},
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//事件处理函数
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// toQuestion: function() {
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// wx.navigateTo({
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// url: '../question/question'
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// })
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// },
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onLoad: function (options) {
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var aid=options.aid
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console.log(options);
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console.log(options.aid);
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console.log('onLoad')
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wx.setStorageSync('aid', aid)
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//修改
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wx.cloud.database().collection("tiezi")
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.doc(aid)
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.get()
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.then(res => {
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console.log("详情页成功", res);
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//将收藏添加到数据库
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//shoucang = res.data.shoucang
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//dianzan = res.data.dianzan
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//console.log(shoucang, dianzan);
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//再次显示数据
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this.setData({
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detail: res.data,
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pinglun:res.data.pinglun
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})
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})
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.catch(err => {
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console.log("详情页失败", err);
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})
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var getId = options.aid;
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// 让接收到的id值传递到data:{}里面
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this.setData({
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currentId: getId
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});
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// 读取所有的文章列表点赞缓存状态
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var cache = wx.getStorageSync('cache_key');
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// 如果缓存状态存在
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if (cache) {
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// 拿到所有缓存状态中的1个
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var currentCache = cache[getId];
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// 把拿到的缓存状态中的1个赋值给data中的collection,如果当前文章没有缓存状态,currentCache 的值就是 false,如果当前文章的缓存存在,那么 currentCache 就是有值的,有值的说明 currentCache 的值是 true
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this.setData({
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collection: currentCache
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})
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} else {
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// 如果所有的缓存状态都不存在 就让不存在的缓存存在
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var cache = {};
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// 既然所有的缓存都不存在,那么当前这个文章点赞的缓存也不存在,我们可以把当前这个文章点赞的缓存值设置为 false
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cache[getId] = false;
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// 把设置的当前文章点赞放在整体的缓存中
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wx.setStorageSync('cache_key',cache);
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}
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},
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// 点击图片的点赞事件 这里使用的是同步的方式
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toCollect: function(options) {
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let aid= wx.getStorageSync ("aid")
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console.log(aid);
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// 获取所有的缓存
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var cache = wx.getStorageSync('cache_key');
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// 获取当前文章是否被点赞的缓存
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var currentCache = cache[this.data.currentId];
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// 取反,点赞的变成未点赞 未点赞的变成点赞
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currentCache = !currentCache;
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// 更新cache中的对应的1个的缓存值,使其等于当前取反的缓存值
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cache[this.data.currentId] = currentCache;
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// 重新设置缓存
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wx.setStorageSync('cache_key',cache);
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// 更新数据绑定,从而切换图片
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this.setData({
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// collection 默认的是 false
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collection: currentCache
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});
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// 交互反馈
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wx.showToast({
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title: currentCache?'点赞':'取消',
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icon: 'success',
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duration: 2000
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});
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if(currentCache==true){
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wx.cloud.database().collection("tiezi")
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.doc(aid)
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.update({
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data: {
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// 前面为数据库字段,后面为修改之后的值
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good_num: wx.cloud.database().command.inc(1),
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}
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})
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.then(res => {
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console.log("添加评论成功", res);
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return res
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})
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.catch(err => {
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console.log("添加评论失败", err);
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return err
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})
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}
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else{
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wx.cloud.database().collection("tiezi")
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.doc(aid)
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.update({
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data: {
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// 前面为数据库字段,后面为修改之后的值
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good_num: wx.cloud.database().command.inc(-1),
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}
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})
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.then(res => {
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console.log("成功", res);
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return res
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})
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.catch(err => {
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console.log("失败", err);
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return err
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})
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}
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},
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/*
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onLoad: function (options) {
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},*/
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tapName: function(event){
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console.log(event)
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},
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//获取输入的值
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getContent(event){
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this.setData({
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content:event.detail.value
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})
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},
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//发表评论
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fabiao(options){
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let content=this.data.content
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if(content.length<4){
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wx.showLoading({
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icon:"none",
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title: '评论太短了',
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})
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return
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}
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let pinglunItem={}
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pinglunItem.nickName=wx.getStorageSync ("nickName")
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pinglunItem.avatarUrl=wx.getStorageSync ("avatarUrl")
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pinglunItem.content=content
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let pinglunArr=this.data.pinglun
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pinglunArr.push(pinglunItem)
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let l= pinglunArr.length
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console.log("评论数",l)
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console.log("添加后的评论数组",pinglunArr)
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wx.showLoading({
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title: '发表中',
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})
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wx.cloud.init({
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env:"cloud1-8g5wmepxce8a3b8a",
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})
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let aid= wx.getStorageSync ("aid")
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console.log(aid);
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//异步操作
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wx.cloud.database().collection("tiezi")
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.doc(aid)
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.update({
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data: {
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// 前面为数据库字段,后面为修改之后的值
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pinglun: pinglunArr,
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comment_num:pinglunArr.length
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}
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})
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.then(res => {
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console.log("添加评论成功", res);
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return res
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})
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.catch(err => {
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console.log("添加评论失败", err);
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return err
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})
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let that = this;
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wx.hideLoading({
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success: (res) => {
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that.setData({
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pinglun:pinglunArr,
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content:''
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})
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wx.showToast({
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title: '发布成功',
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})}})
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},
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//点赞切换
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clickDianzan() {
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this.setData({
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dianzanUrl: dianzan ? "../../images/heart2.png" : "../../images/heart1.png"
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})
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dianzan = !dianzan
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wx.setStorageSync ("dianzan",dianzan)
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console.log("改变点赞状态", dianzan)
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},
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amend: function(e) {
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let aid= wx.getStorageSync ("aid")
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console.log(aid);
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wx.showModal({
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title: '编辑',
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content: '确定要修改已发布的信息吗?',
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success(res) {
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if(res.confirm) {
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wx.redirectTo({
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url: '../change/change?aid='+aid,
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})
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console.log('用户点击了确定')
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}else if(res.cancel) {
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console.log('用户点击了取消')
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}
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}
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})
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},
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delete(event){
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let aid= wx.getStorageSync ("aid")
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console.log(aid);
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wx.cloud.database().collection('tiezi')
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.doc(aid)
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.remove()
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.then(res => {
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console.log(res);
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}).catch(res => {
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console.log(res);
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})
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wx.switchTab({
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url: '../fourm/fourm'
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})
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},
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delete_p: function(event) {
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/*wx.navigateTo({
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url: '../answer/answer'
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})*/
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let aid= wx.getStorageSync ("aid")
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console.log(aid);
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var aidc=event.currentTarget.dataset.aidc;
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console.log(aidc)
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//console.log("1")
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wx.cloud.database().collection('tiezi')
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.where({
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'_id':aid,
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'pinglun.content':aidc
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})
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.update({
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data:{
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pinglun:wx.cloud.database().command.pull({
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content:aidc
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}),
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comment_num:wx.cloud.database().command.inc(-1)
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}
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})
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.then(res => {
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console.log(res);
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console.log(res);
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wx.showLoading({
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title: '删除成功...',
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})
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wx.redirectTo({
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url: '../answer/answer?aid='+aid,
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})
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wx.hideLoading()
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}).catch(res => {
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console.log(res);
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})
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}
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})
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