微信小程序聊天功能的示例代码-侯体宗的博客

微信小程序聊天功能的示例代码
微信(小程序) / 管理员发布于 5年前 706

效果

初始化滚动条高度

var keyHeight = 0;

数据格式

const CHAT_DATA=[ {  type:0,//0客服1用户  content:'欢迎欢迎欢迎欢迎欢迎欢迎欢迎欢迎欢迎欢迎欢迎欢迎欢迎欢迎欢迎欢迎欢迎欢迎欢迎欢迎欢迎欢迎欢迎欢迎欢迎欢迎欢迎欢迎',  headImg:'../../assets/common/images/headHortrait.jpeg',//头像  creatTime:'2019-01-01',//创建时间  contentType:'text' }, {  type: 0,//0客服1用户  content: '1111111',  headImg: '../../assets/common/images/headHortrait.jpeg',//头像  creatTime: '2019-01-01',//创建时间  contentType: 'text' }, {  type: 1,//0客服1用户  content: '222222',  headImg: '../../assets/common/images/headHortrait.jpeg',//头像  creatTime: '2019-01-01',//创建时间  contentType: 'text' }, {  type: 0,//0客服1用户  content: '333333',  headImg: '../../assets/common/images/headHortrait.jpeg',//头像  creatTime: '2019-01-01',//创建时间  contentType: 'text' }, {  type: 1,//0客服1用户  content: '4444444',  headImg: '../../assets/common/images/headHortrait.jpeg',//头像  creatTime: '2019-01-01',//创建时间  contentType: 'text', }, {  type: 0,//0客服1用户  content: 'http://tmp/wxc79c66d8b0ed19a8.o6zAJs6QE8L8FKq645ts4e3LoKzI.pGakaVHKmbQ3160aa57e2bf33cb576fbabf691cd890b.durationTime=3706.aac',  headImg: '../../assets/common/images/headHortrait.jpeg',//头像  creatTime: '2019-01-01',//创建时间  contentType: 'voice',  duration: '3706', },{  type: 1,//0客服1用户  content: 'http://tmp/wxc79c66d8b0ed19a8.o6zAJs6QE8L8FKq645ts4e3LoKzI.pGakaVHKmbQ3160aa57e2bf33cb576fbabf691cd890b.durationTime=3706.aac',  headImg: '../../assets/common/images/headHortrait.jpeg',//头像  creatTime: '2019-01-01',//创建时间  contentType: 'voice',  duration:'3706' }, {  type: 1,//0客服1用户  content: 'https://img.yzcdn.cn/vant/cat.jpeg',  headImg: '../../assets/common/images/headHortrait.jpeg',//头像  creatTime: '2019-01-01',//创建时间  contentType: 'img' }, {  type: 1,//0客服1用户  content: 'https://img.yzcdn.cn/vant/cat.jpeg',  headImg: '../../assets/common/images/headHortrait.jpeg',//头像  creatTime: '2019-01-01',//创建时间  contentType: 'img' }];

wxml对话框

                        {{item.content}}    {{item.duration}}s                      {{item.duration}}"    {{item.content}}

wxml底部输入框

                   按住请说话                       {{toastTitle}}

css

#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%;}

// pages/contact/contact.jsconst { 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.jsconst { 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({}) }})

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