微信小程序聊天功能的示例代碼
更新時間：2020年01月13日 14:19:31 作者：lulu
這篇文章主要介紹了微信小程序聊天功能的示例代碼,文中通過示例代碼介紹的非常詳細，對大家的學習或者工作具有一定的參考學習價值，需要的朋友們下面隨著小編來一起學習學習吧
效果
初始化滾動條高度
var keyHeight = 0;
數(shù)據(jù)格式
const CHAT_DATA=[
{
type:0,//0客服1用戶
content:'歡迎歡迎歡迎歡迎歡迎歡迎歡迎歡迎歡迎歡迎歡迎歡迎歡迎歡迎歡迎歡迎歡迎歡迎歡迎歡迎歡迎歡迎歡迎歡迎歡迎歡迎歡迎歡迎',
headImg:'../../assets/common/images/headHortrait.jpeg',//頭像
creatTime:'2019-01-01',//創(chuàng)建時間
contentType:'text'
}, {
type: 0,//0客服1用戶
content: '1111111',
headImg: '../../assets/common/images/headHortrait.jpeg',//頭像
creatTime: '2019-01-01',//創(chuàng)建時間
contentType: 'text'
}, {
type: 1,//0客服1用戶
content: '222222',
headImg: '../../assets/common/images/headHortrait.jpeg',//頭像
creatTime: '2019-01-01',//創(chuàng)建時間
contentType: 'text'
}, {
type: 0,//0客服1用戶
content: '333333',
headImg: '../../assets/common/images/headHortrait.jpeg',//頭像
creatTime: '2019-01-01',//創(chuàng)建時間
contentType: 'text'
}, {
type: 1,//0客服1用戶
content: '4444444',
headImg: '../../assets/common/images/headHortrait.jpeg',//頭像
creatTime: '2019-01-01',//創(chuàng)建時間
contentType: 'text',
}, {
type: 0,//0客服1用戶
content: 'http://tmp/wxc79c66d8b0ed19a8.o6zAJs6QE8L8FKq645ts4e3LoKzI.pGakaVHKmbQ3160aa57e2bf33cb576fbabf691cd890b.durationTime=3706.aac',
headImg: '../../assets/common/images/headHortrait.jpeg',//頭像
creatTime: '2019-01-01',//創(chuàng)建時間
contentType: 'voice',
duration: '3706',
},{
type: 1,//0客服1用戶
content: 'http://tmp/wxc79c66d8b0ed19a8.o6zAJs6QE8L8FKq645ts4e3LoKzI.pGakaVHKmbQ3160aa57e2bf33cb576fbabf691cd890b.durationTime=3706.aac',
headImg: '../../assets/common/images/headHortrait.jpeg',//頭像
creatTime: '2019-01-01',//創(chuàng)建時間
contentType: 'voice',
duration:'3706'
},
{
type: 1,//0客服1用戶
content: 'https://img.yzcdn.cn/vant/cat.jpeg',
headImg: '../../assets/common/images/headHortrait.jpeg',//頭像
creatTime: '2019-01-01',//創(chuàng)建時間
contentType: 'img'
}, {
type: 1,//0客服1用戶
content: 'https://img.yzcdn.cn/vant/cat.jpeg',
headImg: '../../assets/common/images/headHortrait.jpeg',//頭像
creatTime: '2019-01-01',//創(chuàng)建時間
contentType: 'img'
}
];
wxml對話框
<block wx:key wx:for='{{chatData}}' wx:for-index="index">
<!-- 單個消息1 客服發(fā)出（左） -->
<view wx:if='{{item.type==0}}' id='msg-{{index}}' class="contentLeft" style=''>
<view class="head">
<image class="headImg" src='{{item.headImg}}' mode='widthFix'></image>
</view>
<view class='leftMsg' wx:if="{{item.contentType==='text'}}">{{item.content}}</view>
<view class='leftMsg' wx:if="{{item.contentType==='voice'}}" data-duration="{{item.content}}">{{item.duration}}s</view>
<view class='leftMsg img' wx:if="{{item.contentType==='img'}}"><image src="{{item.content}}" data-src="{{item.content}}" mode='widthFix' bindtap="onPreview"/></view>
</view>
<!-- 單個消息2 用戶發(fā)出（右） -->
<view wx:else id='msg-{{index}}' class="contentRight">
<view class='rightMsg' wx:if="{{item.contentType==='voice'}}" data-duration="{{item.duration}}" bindtap="playRecord" style="width:{{30+item.duration*5}}px;justify-content: flex-end;display:flex;color:#000;">{{item.duration}}"<van-icon name="../../../assets/common/icon/voice-r.png" style="padding:0 0 0 5px;" /></view>
<view class='rightMsg' wx:if="{{item.contentType==='text'}}">{{item.content}}</view>
<view class='rightMsg img' wx:if="{{item.contentType==='img'}}"><image src="{{item.content}}" data-src="{{item.content}}" mode='widthFix' bindtap="onPreview"/></view>
<view>
<image class="headImg" src='{{item.headImg}}' mode='widthFix'></image>
</view>
</view>
</block>
wxml底部輸入框
<view class='inputRoom' style='bottom: {{inputBottom}};height: {{bottomHeight}}'>
<van-row class="bottomRow">
<van-col span="2"wx:if="{{show}}"> <van-icon bindtap="startRecord" class="iconfont icon" class-prefix='icon' size="40rpx" name="yuyin" ></van-icon></van-col>
<van-col span="2" wx:if="{{!show}}"> <van-icon bindtap="startRecord" class="iconfont icon" class-prefix='icon' size="40rpx" name="fabiaowenzhang" ></van-icon></van-col>
<van-col span="18" wx:if="{{show}}"> <input bindconfirm='sendClick'bind:input="inputValue" adjust-position='{{false}}' value='{{inputVal}}' confirm-type='send' bindfocus='focus' bindblur='blur'></input></van-col>
<van-col span="18" wx:if="{{!show}}"> <view class="holdTape" bind:touchstart="startTalk" bind:touchend='stopRecord'>按住請說話</view></van-col>
<van-col span="2"><van-icon class="iconfont icon" class-prefix='icon' size="40rpx" name='biaoqing' bindtap="getEmoji"></van-icon></van-col>
<van-col span="2"><van-uploader use-slot accept='image' bind:after-read="uploadeImg"> <van-icon class="iconfont icon" class-prefix='icon' size="40rpx" name='icon02' ></van-icon></van-uploader></van-col>
</van-row>
<view wx:if="{{showEmoji}}" class="emoji">
<emoji bind:clickEmoji="clickEmoji" data-key="inputVal" value="{{inputVal}}" />
</view>
</view>
</view>
<view class="recordDailog" wx:if="{{showDailog}}" >
<view class="show">
<image src="../../assets/common/images/record.png"></image>
<text>{{toastTitle}}</text>
</view>
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%;
}
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();
/**
* 初始化數(shù)據(jù)
*/
/**
* 計算msg總高度
*/
function calScrollHeight(that, keyHeight) {
var query = wx.createSelectorQuery();
query.select('.scrollMsg').boundingClientRect(function(rect) {
}).exec();
}
Page({
/**
* 頁面的初始數(shù)據(jù)
*/
data: {
scrollHeight: '100vh',
inputVal:"",
inputBottom: 0,
chatData:[],
show:true,
showDailog:false,
bottomHeight:"18vw",
sendData:{},
pagination: {
pageSize: 5,
currentPage: 1,
total: 0,
},
showEmoji:false,
toastTitle:"錄音中...."
},
/**
* 生命周期函數(shù)--監(jiān)聽頁面加載
*/
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(){//開始錄音
const {show}=this.data
if (show){
this.setData({
show: false,
})
}else{
this.setData({
show: true,
})
}
},
startTalk(e){//開始說話
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(){//停止說話
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) {
// 使頁面滾動到底部
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){//播放語音
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: "錄音中....",
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) {
// 使頁面滾動到底部
wx.pageScrollTo({
scrollTop: rect.bottom + 5000
})
}).exec()
this.setData({
chatData,
scrollHeight: (windowHeight - 0) + 'px',
toView: 'msg-' + (chatData.length - 1),
inputBottom:'0px'
})
},
getEmoji(){//獲取表情包
wx.createSelectorQuery().select('.content').boundingClientRect(function (rect) {
// 使頁面滾動到底部
wx.pageScrollTo({
scrollTop: rect.bottom + 5000
})
}).exec()
this.setData({
showEmoji:true,
bottomHeight:"48vw"
})
},
clickEmoji: function (e) {//選擇表情包
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
})
},
/**
* 生命周期函數(shù)--監(jiān)聽頁面顯示
*/
onShow: function () {
},
/**
* 頁面相關(guān)事件處理函數(shù)--監(jiān)聽用戶下拉動作
*/
onPullDownRefresh: function () {
let { pagination: { currentPage } } = this.data
this.getData({
param: CHAT_DATA,
pagination: {
pageSize: 5,
currentPage: currentPage + 1,
}
});
},
/**
* 頁面上拉觸底事件的處理函數(shù)
*/
onReachBottom: function () {
},
/**
* 獲取聚焦
*/
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"
})
//計算msg高度
// calScrollHeight(this, keyHeight);
},
//失去聚焦(軟鍵盤消失)
blur: function (e) {
const { chatData } = this.data
this.setData({
scrollHeight: '100vh',
inputBottom: 0
})
this.setData({
toView: 'msg-' + (chatData.length - 1)
})
},
/**
* 發(fā)送點擊監(jiān)聽
*/
sendClick: function (e) {
const { chatData, scrollHeight}=this.data;
wx.createSelectorQuery().select('.content').boundingClientRect(function (rect) {
// 使頁面滾動到底部
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:''
});
},
/**
* 退回上一頁
*/
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();
/**
* 初始化數(shù)據(jù)
*/
/**
* 計算msg總高度
*/
function calScrollHeight(that, keyHeight) {
var query = wx.createSelectorQuery();
query.select('.scrollMsg').boundingClientRect(function(rect) {
}).exec();
}
Page({
/**
* 頁面的初始數(shù)據(jù)
*/
data: {
scrollHeight: '100vh',
inputVal:"",
inputBottom: 0,
chatData:[],
show:true,
showDailog:false,
bottomHeight:"18vw",
sendData:{},
pagination: {
pageSize: 5,
currentPage: 1,
total: 0,
},
showEmoji:false,
toastTitle:"錄音中...."
},
/**
* 生命周期函數(shù)--監(jiān)聽頁面加載
*/
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(){//開始錄音
const {show}=this.data
if (show){
this.setData({
show: false,
})
}else{
this.setData({
show: true,
})
}
},
startTalk(e){//開始說話
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(){//停止說話
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) {
// 使頁面滾動到底部
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){//播放語音
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: "錄音中....",
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) {
// 使頁面滾動到底部
wx.pageScrollTo({
scrollTop: rect.bottom + 5000
})
}).exec()
this.setData({
chatData,
scrollHeight: (windowHeight - 0) + 'px',
toView: 'msg-' + (chatData.length - 1),
inputBottom:'0px'
})
},
getEmoji(){//獲取表情包
wx.createSelectorQuery().select('.content').boundingClientRect(function (rect) {
// 使頁面滾動到底部
wx.pageScrollTo({
scrollTop: rect.bottom + 5000
})
}).exec()
this.setData({
showEmoji:true,
bottomHeight:"48vw"
})
},
clickEmoji: function (e) {//選擇表情包
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
})
},
/**
* 生命周期函數(shù)--監(jiān)聽頁面顯示
*/
onShow: function () {
},
/**
* 頁面相關(guān)事件處理函數(shù)--監(jiān)聽用戶下拉動作
*/
onPullDownRefresh: function () {
let { pagination: { currentPage } } = this.data
this.getData({
param: CHAT_DATA,
pagination: {
pageSize: 5,
currentPage: currentPage + 1,
}
});
},
/**
* 頁面上拉觸底事件的處理函數(shù)
*/
onReachBottom: function () {
},
/**
* 獲取聚焦
*/
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"
})
//計算msg高度
// calScrollHeight(this, keyHeight);
},
//失去聚焦(軟鍵盤消失)
blur: function (e) {
const { chatData } = this.data
this.setData({
scrollHeight: '100vh',
inputBottom: 0
})
this.setData({
toView: 'msg-' + (chatData.length - 1)
})
},
/**
* 發(fā)送點擊監(jiān)聽
*/
sendClick: function (e) {
const { chatData, scrollHeight}=this.data;
wx.createSelectorQuery().select('.content').boundingClientRect(function (rect) {
// 使頁面滾動到底部
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:''
});
},
/**
* 退回上一頁
*/
toBackClick: function () {
wx.navigateBack({})
}
})
以上就是本文的全部內(nèi)容，希望對大家的學習有所幫助，也希望大家多多支持腳本之家。
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