微信小程序聊天功能的示例代码(2)

#page{ height: 90%; overflow-y: auto; } .content{ background: white; } .inputRoom { width: 100vw; /* height: 16vw; */ border-top: 1px solid #cdcdcd; position: fixed; bottom: 0; display: flex; align-items: center; z-index: 20; background: white; flex-direction: column; } .bottomRow{ width: 100%; height: 16vw; display: flex; align-items: center; flex-direction: row } .bottomRow .van-row{ width: 100%; } .emoji{ height: 30vw; } input { width: 90%; height: 9.33vw; background-color: #EEF4FA; border-radius: 6rpx; font-size: 28rpx; color: #444; padding: 0 3%; margin-left: 2%; } .leftMsg { font-size: 26rpx; color: #333333; line-height: 6vw; padding: 2vw 2.5vw; background-color: #EEF4FA; border-radius: 10rpx; z-index: 10; } .rightMsg { font-size: 26rpx; color: white; line-height: 6vw; padding: 2vw 2.5vw; background-color: #496DFF; border-radius: 10rpx; z-index: 10; } .chatFrame{ background: white; height: 100% } .icon{ line-height: 8vw; } .head{ display: flex; align-items: center } .headImg{ border-radius: 50%; width: 60rpx;height: 60rpx; } .holdTape{ width: 90%; height: 9.33vw; background-color: #EEF4FA; border-radius: 6rpx; padding: 0 3%; margin-left: 2%; display: flex; align-items: center; justify-content: center; } .recordDailog{ -webkit-transition-duration: 300ms; transition-duration: 300ms; z-index: 1000; position: fixed; top: 50%; left: 50%; width: -webkit-fit-content; width: fit-content; -webkit-transform: translate(-50%,-50%); transform: translate(-50%,-50%); max-width: var(--toast-max-width,70%); } .show{ width: var(--toast-default-width,90px); min-height: var(--toast-default-min-height,90px); padding: var(--toast-default-padding,16px); display: flex; -webkit-flex-direction: column; flex-direction: column; -webkit-align-items: center; align-items: center; -webkit-justify-content: center; justify-content: center; box-sizing: initial; color: var(--toast-text-color,#fff); font-size: var(--toast-font-size,14px); line-height: var(--toast-line-height,20px); white-space: pre-wrap; word-wrap: break-word; background-color: var(--toast-background-color,rgba(50,50,51,.88)); border-radius: var(--toast-border-radius,4px); } .show image{ width: 24px; height: 24px } image{ /* max-width: 88vw; max-height: 400rpx; */ width: 100% } .img{ background: none; width: 90% } .contentRight{ display: flex; justify-content: flex-end; padding: 2vw 2vw 2vw 11vw;width: 86%; } .contentLeft{ display: flex; padding: 2vw 11vw 2vw 2vw;width: 86%; }

js

// pages/contact/contact.js const { pageFunc } = require('../../utils/util.js'); const app = getApp(); var windowWidth = wx.getSystemInfoSync().windowWidth; var windowHeight = wx.getSystemInfoSync().windowHeight; var keyHeight = 0; const { CHAT_DATA}=require("../../data/customerService.js"); import Toast from '../../components/vant/toast/toast'; const recorderManager = wx.getRecorderManager(); const innerAudioContext = wx.createInnerAudioContext(); const db = wx.cloud.database(); /** * 初始化数据 */ /** * 计算msg总高度 */ function calScrollHeight(that, keyHeight) { var query = wx.createSelectorQuery(); query.select('.scrollMsg').boundingClientRect(function(rect) { }).exec(); } Page({ /** * 页面的初始数据 */ data: { scrollHeight: '100vh', inputVal:"", inputBottom: 0, chatData:[], show:true, showDailog:false, bottomHeight:"18vw", sendData:{}, pagination: { pageSize: 5, currentPage: 1, total: 0, }, showEmoji:false, toastTitle:"录音中...." }, /** * 生命周期函数--监听页面加载 */ onLoad: function (options) { // this.setData({ // cusHeadIcon: app.globalData.userInfo.avatarUrl, // }); const { pagination } = this.data this.getData({ param: CHAT_DATA, pagination }); wx.pageScrollTo({ scrollTop: 1000 }) }, getData(params) { const { chatData } = this.data; const { param, pagination: { pageSize = 10, currentPage = 1 }, } = params; this.setData({ pagination: { pageSize, currentPage } }); const { data, pagination } = pageFunc(param, currentPage, pageSize); data.forEach((item) => { if (item.duration) { item.duration = Math.ceil(item.duration / 1000) } }); this.setData({ 'chatData': data.concat(chatData) }); }, startRecord(){//开始录音 const {show}=this.data if (show){ this.setData({ show: false, }) }else{ this.setData({ show: true, }) } }, startTalk(e){//开始说话 this.setData({ showDailog:true, }) const options = { duration: 60000, sampleRate: 44100, numberOfChannels: 1, encodeBitRate: 192000, format: 'aac', frameSize: 50 } recorderManager.start(options) recorderManager.onStart((res) => { }) }, stopRecord(){//停止说话 const that=this this.setData({ showDailog:false, }) recorderManager.stop(); recorderManager.onStop((res) => { const { sendData, chatData } = that.data; let { tempFilePath, duration, fileSize} = res sendData.tempFilePathData=res duration = Math.ceil(duration / 1000) const data = { content: tempFilePath, duration , fileSize, contentType: 'voice', type: 1}; chatData.push(data); wx.createSelectorQuery().select('.content').boundingClientRect(function (rect) { // 使页面滚动到底部 wx.pageScrollTo({ scrollTop: rect.bottom + 5000 }) }).exec(); that.setData({ 'tempFilePath': tempFilePath, sendData, chatData, scrollHeight: (windowHeight - 0) + 'px', toView: 'msg-' + (chatData.length - 1), inputBottom: '0px' }) }) }, playRecord(e){//播放语音 const { currentTarget: { dataset: { duration } }}=e; const { tempFilePath} = this.data innerAudioContext.autoplay = true; innerAudioContext.src = tempFilePath , innerAudioContext.onPlay(() => { this.setData({ toastTitle: "播放中....", showDailog: true, }) }) innerAudioContext.onEnded((res) => { this.setData({ toastTitle: "录音中....", showDailog: false, }) }) innerAudioContext.onError((res) => { }); innerAudioContext.play() }, uploadeImg(e){ const { file: { path,size:fileSize} } = e.detail; const { chatData } = this.data; const data = { content: path, fileSize, contentType: 'img', type: 1 }; chatData.push(data); wx.createSelectorQuery().select('.content').boundingClientRect(function (rect) { // 使页面滚动到底部 wx.pageScrollTo({ scrollTop: rect.bottom + 5000 }) }).exec() this.setData({ chatData, scrollHeight: (windowHeight - 0) + 'px', toView: 'msg-' + (chatData.length - 1), inputBottom:'0px' }) }, getEmoji(){//获取表情包 wx.createSelectorQuery().select('.content').boundingClientRect(function (rect) { // 使页面滚动到底部 wx.pageScrollTo({ scrollTop: rect.bottom + 5000 }) }).exec() this.setData({ showEmoji:true, bottomHeight:"48vw" }) }, clickEmoji: function (e) {//选择表情包 const { detail: { value }, currentTarget: { dataset: { key } } } = e; this.setData({ [key]: value }) }, onPreview(e){ const { currentTarget: { dataset: { src } } } = e; const urls = [src] wx.previewImage({ current: src, urls }) }, /** * 生命周期函数--监听页面显示 */ onShow: function () { }, /** * 页面相关事件处理函数--监听用户下拉动作 */ onPullDownRefresh: function () { let { pagination: { currentPage } } = this.data this.getData({ param: CHAT_DATA, pagination: { pageSize: 5, currentPage: currentPage + 1, } }); }, /** * 页面上拉触底事件的处理函数 */ onReachBottom: function () { }, /** * 获取聚焦 */ inputValue(e){ const {detail:{value}}=e this.setData({ inputVal:value }) }, focus: function (e) { const { chatData}=this.data keyHeight = e.detail.height; wx.pageScrollTo({ scrollTop: windowHeight - keyHeight }) this.setData({ toView: 'msg-' + (chatData.length - 1), inputBottom: keyHeight + 'px', scrollHeight: (windowHeight - keyHeight) + 'px', showEmoji:false, bottomHeight: "18vw" }) //计算msg高度 // calScrollHeight(this, keyHeight); }, //失去聚焦(软键盘消失) blur: function (e) { const { chatData } = this.data this.setData({ scrollHeight: '100vh', inputBottom: 0 }) this.setData({ toView: 'msg-' + (chatData.length - 1) }) }, /** * 发送点击监听 */ sendClick: function (e) { const { chatData, scrollHeight}=this.data; wx.createSelectorQuery().select('.content').boundingClientRect(function (rect) { // 使页面滚动到底部 wx.pageScrollTo({ scrollTop: rect.bottom + 5000 }) }).exec() chatData.push({ type: 1, contentType: 'text', content: e.detail.value, headImg: '../../assets/common/images/headHortrait.jpeg', }) this.setData({ chatData, inputVal:'' }); }, /** * 退回上一页 */ toBackClick: function () { wx.navigateBack({}) } })// pages/contact/contact.js const { pageFunc } = require('../../utils/util.js'); const app = getApp(); var windowWidth = wx.getSystemInfoSync().windowWidth; var windowHeight = wx.getSystemInfoSync().windowHeight; var keyHeight = 0; const { CHAT_DATA}=require("../../data/customerService.js"); import Toast from '../../components/vant/toast/toast'; const recorderManager = wx.getRecorderManager(); const innerAudioContext = wx.createInnerAudioContext(); const db = wx.cloud.database(); /** * 初始化数据 */ /** * 计算msg总高度 */ function calScrollHeight(that, keyHeight) { var query = wx.createSelectorQuery(); query.select('.scrollMsg').boundingClientRect(function(rect) { }).exec(); } Page({ /** * 页面的初始数据 */ data: { scrollHeight: '100vh', inputVal:"", inputBottom: 0, chatData:[], show:true, showDailog:false, bottomHeight:"18vw", sendData:{}, pagination: { pageSize: 5, currentPage: 1, total: 0, }, showEmoji:false, toastTitle:"录音中...." }, /** * 生命周期函数--监听页面加载 */ onLoad: function (options) { // this.setData({ // cusHeadIcon: app.globalData.userInfo.avatarUrl, // }); const { pagination } = this.data this.getData({ param: CHAT_DATA, pagination }); wx.pageScrollTo({ scrollTop: 1000 }) }, getData(params) { const { chatData } = this.data; const { param, pagination: { pageSize = 10, currentPage = 1 }, } = params; this.setData({ pagination: { pageSize, currentPage } }); const { data, pagination } = pageFunc(param, currentPage, pageSize); data.forEach((item) => { if (item.duration) { item.duration = Math.ceil(item.duration / 1000) } }); this.setData({ 'chatData': data.concat(chatData) }); }, startRecord(){//开始录音 const {show}=this.data if (show){ this.setData({ show: false, }) }else{ this.setData({ show: true, }) } }, startTalk(e){//开始说话 this.setData({ showDailog:true, }) const options = { duration: 60000, sampleRate: 44100, numberOfChannels: 1, encodeBitRate: 192000, format: 'aac', frameSize: 50 } recorderManager.start(options) recorderManager.onStart((res) => { }) }, stopRecord(){//停止说话 const that=this this.setData({ showDailog:false, }) recorderManager.stop(); recorderManager.onStop((res) => { const { sendData, chatData } = that.data; let { tempFilePath, duration, fileSize} = res sendData.tempFilePathData=res duration = Math.ceil(duration / 1000) const data = { content: tempFilePath, duration , fileSize, contentType: 'voice', type: 1}; chatData.push(data); wx.createSelectorQuery().select('.content').boundingClientRect(function (rect) { // 使页面滚动到底部 wx.pageScrollTo({ scrollTop: rect.bottom + 5000 }) }).exec(); that.setData({ 'tempFilePath': tempFilePath, sendData, chatData, scrollHeight: (windowHeight - 0) + 'px', toView: 'msg-' + (chatData.length - 1), inputBottom: '0px' }) }) }, playRecord(e){//播放语音 const { currentTarget: { dataset: { duration } }}=e; const { tempFilePath} = this.data innerAudioContext.autoplay = true; innerAudioContext.src = tempFilePath , innerAudioContext.onPlay(() => { this.setData({ toastTitle: "播放中....", showDailog: true, }) }) innerAudioContext.onEnded((res) => { this.setData({ toastTitle: "录音中....", showDailog: false, }) }) innerAudioContext.onError((res) => { }); innerAudioContext.play() }, uploadeImg(e){ const { file: { path,size:fileSize} } = e.detail; const { chatData } = this.data; const data = { content: path, fileSize, contentType: 'img', type: 1 }; chatData.push(data); wx.createSelectorQuery().select('.content').boundingClientRect(function (rect) { // 使页面滚动到底部 wx.pageScrollTo({ scrollTop: rect.bottom + 5000 }) }).exec() this.setData({ chatData, scrollHeight: (windowHeight - 0) + 'px', toView: 'msg-' + (chatData.length - 1), inputBottom:'0px' }) }, getEmoji(){//获取表情包 wx.createSelectorQuery().select('.content').boundingClientRect(function (rect) { // 使页面滚动到底部 wx.pageScrollTo({ scrollTop: rect.bottom + 5000 }) }).exec() this.setData({ showEmoji:true, bottomHeight:"48vw" }) }, clickEmoji: function (e) {//选择表情包 const { detail: { value }, currentTarget: { dataset: { key } } } = e; this.setData({ [key]: value }) }, onPreview(e){ const { currentTarget: { dataset: { src } } } = e; const urls = [src] wx.previewImage({ current: src, urls }) }, /** * 生命周期函数--监听页面显示 */ onShow: function () { }, /** * 页面相关事件处理函数--监听用户下拉动作 */ onPullDownRefresh: function () { let { pagination: { currentPage } } = this.data this.getData({ param: CHAT_DATA, pagination: { pageSize: 5, currentPage: currentPage + 1, } }); }, /** * 页面上拉触底事件的处理函数 */ onReachBottom: function () { }, /** * 获取聚焦 */ inputValue(e){ const {detail:{value}}=e this.setData({ inputVal:value }) }, focus: function (e) { const { chatData}=this.data keyHeight = e.detail.height; wx.pageScrollTo({ scrollTop: windowHeight - keyHeight }) this.setData({ toView: 'msg-' + (chatData.length - 1), inputBottom: keyHeight + 'px', scrollHeight: (windowHeight - keyHeight) + 'px', showEmoji:false, bottomHeight: "18vw" }) //计算msg高度 // calScrollHeight(this, keyHeight); }, //失去聚焦(软键盘消失) blur: function (e) { const { chatData } = this.data this.setData({ scrollHeight: '100vh', inputBottom: 0 }) this.setData({ toView: 'msg-' + (chatData.length - 1) }) }, /** * 发送点击监听 */ sendClick: function (e) { const { chatData, scrollHeight}=this.data; wx.createSelectorQuery().select('.content').boundingClientRect(function (rect) { // 使页面滚动到底部 wx.pageScrollTo({ scrollTop: rect.bottom + 5000 }) }).exec() chatData.push({ type: 1, contentType: 'text', content: e.detail.value, headImg: '../../assets/common/images/headHortrait.jpeg', }) this.setData({ chatData, inputVal:'' }); }, /** * 退回上一页 */ toBackClick: function () { wx.navigateBack({}) } })