基于JavaScript开发微信小程序的农产品销售信息平台源码(课程大作业).zip

const db = wx.cloud.database() const app= getApp() const util = require('../../utils/util.js') Page({ /** * 页面的初始数据 */ data: { recordId:'', hasRecordId:false, message:'', placeHolder:'请输入...', chatList:[], height:'', another_recordId:'', msg1:'', flag:false, userA_openid:'1' }, input_message:function(e){ var that = this that.setData({ message:e.detail.value }) }, /** * 生命周期函数--监听页面加载 */ onLoad(options) { var that = this that.setData({ height: wx.getSystemInfoSync().windowHeight-50, userA_openid:app.globalData.userA_openid }) if(app.globalData.userA_openid=='undefined'){ that.setData({ flag:false }) } if(app.globalData.userA_openid!='undefined'){ that.setData({ flag:true }) console.log(that.data.flag) that.getRecordId() } }, AddanotherRecord:function(){ var that = this console.log('执行添加记录'), db.collection('ChatRecord').add({ data:{ record:[], userB_faceImg:app.globalData.userA_faceImg, userB_nickname:app.globalData.userA_nickname, userA_faceImg:app.globalData.userB_faceImg, userA_nickname:app.globalData.userB_nickname, userA_openid:app.globalData.userB_openid, userB_openid:app.globalData.userA_openid, text_status:1 } }).then({ success(res){ that.getanotherRecordId() } }) }, gomine:function(){ wx.switchTab({ url: '../mine/mine', }) }, getanotherRecordId:function(){ var that = this db.collection('ChatRecord').where({ userA_openid:app.globalData.userB_openid, userB_openid:app.globalData.userA_openid, }).get({ success(res){ that.setData({ another_recordId:res.data[0]._id, hasanotherRecordId:true }) that.getChatRecord() } }) }, getRecordId:function(){ var that = this db.collection('ChatRecord').where({ userA_openid:app.globalData.userA_openid, userB_openid:app.globalData.userB_openid }).get({ success(res){ if(res.data.length==0){ that.AddRecord(), that.AddanotherRecord() } else{ that.setData({ recordId:res.data[0]._id }) } that.getChatRecord() that.getanotherRecordId() } }) }, AddRecord:function(){ var that = this db.collection('ChatRecord').add({ data:{ record:[], userA_faceImg:app.globalData.userA_faceImg, userA_nickname:app.globalData.userA_nickname, userB_faceImg:app.globalData.userA_faceImg, userB_nickname:app.globalData.userB_nickname, userA_openid:app.globalData.userA_openid, userB_openid:app.globalData.userB_openid, text_status:1 } }).then({ success(res){ that.getRecordId() console.log('添加成功') } }) }, getChatRecord:function(){ var that = this db.collection('ChatRecord').doc(that.data.recordId).get({ success(res){ that.setData({ chatList:res.data.record, message:'', placeHolder:"请输入..." }) } }) db.collection('ChatRecord').doc(that.data.recordId).update({ data:{ text_status:1 } }).then(res=>{ }) }, publishChat(){ this.getRecordId() var that = this db.collection('ChatRecord').doc(that.data.recordId).get({ success(res){ var record = res.data.record console.log(res.data.record) var msg={ nickname:app.globalData.userA_nickname, faceImg:app.globalData.userA_faceImg, openid:app.globalData.userA_openid, text:that.data.message, tonickname:app.globalData.userB_nickname, time:util.formatTime(new Date) } that.setData({ msg1:msg.time }) // 在chat里面找到record 追加msg record.push(msg) db.collection('ChatRecord').doc(that.data.recordId).update({ data:{ record:record, text_status:1, time:that.data.msg1 },}).then({ success(res){ db.collection('ChatRecord').doc(that.data.another_recordId).get({ success(res){ var record = res.data.record var msg={ nickname:app.globalData.userA_admin, faceImg:app.globalData.userA_faceImg, openid:app.globalData.userA_openid, text:that.data.messag, time:that.data.msg1 } // 在chat里面找到record 追加msg record.push(msg) console.log(msg) console.log(record) db.collection('ChatRecord').doc(that.data.another_recordId).update({ data:{ record:record, text_status:0, time:that.data.msg1 }, success(res){ that.getChatRecord() } }) } }) console.log(res.data) that.getChatRecord() console.log(that.data.msg1) } }) } }) }, getScollBottom() { this.setData({ scrollLast: 'item' + this.data.chatList.length }) }, /** * 生命周期函数--监听页面初次渲染完成 */ onReady() { console.log(app.globalData.userB_nickname) wx.setNavigationBarTitle({ title:app.globalData.userB_nickname, }) }, /** * 生命周期函数--监听页面显示 */ onShow() { this.getChatRecord() }, /** * 生命周期函数--监听页面隐藏 */ onHide() { }, /** * 生命周期函数--监听页面卸载 */ onUnload() { }, /** * 页面相关事件处理函数--监听用户下拉动作 */ onPullDownRefresh() { }, /** * 页面上拉触底事件的处理函数 */ onReachBottom() { }, /** * 用户点击右上角分享 */ onShareAppMessage() { } })