uni-app 72聊天类封装（七）-完善发送消息状态

chat.js

import $U from "./util.js";
import $H from './request.js';
class chat {
	constructor(arg) {
		this.url = arg.url
		this.isOnline = false
		this.socket = null
		// 获取当前用户相关信息
		let user = $U.getStorage('user');
		this.user = user ? JSON.parse(user) : {},
			// 初始化聊天对象
			this.TO = false;
		// 连接和监听
		if (this.user.token) {
			this.connectSocket()
		}
	}
	// 连接socket
	connectSocket() {
		console.log(this.user);
		this.socket = uni.connectSocket({
			url: this.url + '?token=' + this.user.token,
			complete: () => {}
		})
		// 监听连接成功
		this.socket.onOpen(() => this.onOpen())
		// 监听接收信息
		this.socket.onMessage((res) => this.onMessage(res))
		// 监听断开
		this.socket.onClose(() => this.onClose())
		// 监听错误
		this.socket.onError(() => this.onError())
	}
	// 监听打开
	onOpen() {
		// 用户状态上线
		this.isOnline = true;
		console.log('socket连接成功');

		// 获取用户离线消息
	}
	// 监听关闭
	onClose() {
		// 用户下线
		this.isOnline = false;
		this.socket = null;
		console.log('socket连接关闭');
	}
	// 监听消息
	onMessage(data) {
		console.log('监听消息', data);
	}
	// 监听连接错误
	onError() {
		// 用户下线
		this.isOnline = false;
		this.socket = null;
		console.log('socket连接错误');
	}
	// 关闭连接
	close() {
		this.socket.close()
	}
	// 创建聊天对象
	createChatObject(detail) {
		this.TO = detail;
		console.log('创建聊天对象', this.TO)
	}
	// 销毁聊天对象
	destoryChatObject() {
		this.TO = false
	}
	// 组织发送信息格式
	formatSendData(params) {
		return {
			id: 0, // 唯一id，后端生成，用于撤回指定消息
			from_avatar: this.user.avatar, // 发送者头像
			from_name: this.user.nickname || this.user.username, // 发送者昵称
			from_id: this.user.id, // 发送者id
			to_id: params.to_id || this.TO.id, // 接收人/群 id
			to_name: params.to_name || this.TO.name, // 接收人/群 名称
			to_avatar: params.to_avatar || this.TO.avatar, // 接收人/群 头像
			chat_type: params.chat_type || this.TO.chat_type, // 接收类型
			type: params.type, // 消息类型
			data: params.data, // 消息内容
			options: params.options ? params.options : {}, // 其他参数
			create_time: (new Date()).getTime(), // 创建时间
			isremove: 0, // 是否撤回
			sendStatus: params.sendStatus ? params.sendStatus : "pending" // 发送状态，success发送成功,fail发送失败,pending发送中
		}
	}
	// 发送信息
	send(message) {
		return new Promise((result, reject) => {
			// 添加消息历史记录
			// let {
			// 	data,
			// 	k
			// } = this.addChatDetail(params, true);
			// 置顶消息记录

			// 验证是否上线
			$H.post('/chat/send', {
				to_id: this.TO.id,
				type: message.type,
				chat_type: this.TO.chat_type,
				data: message.data,
			}).then(res => {
				// 发送成功
				message.id = res.id 
				message.sendStatus = 'success'
				result(res);
			}).catch(err => {
				// 发送失败
				message.sendStatus = 'fail'
				// 断线重连提示
				result(err);
			});
		})

	}
}
export default chat

chat.vue

<template>
	<view>
		<!-- 导航栏 -->
		<free-nav-bar title="呵呵呵呵" :noreadnum="1" showBack>
			<free-icon-button slot="right"><text class="iconfont font-md" @click="openChat">&#xe6fd;</text></free-icon-button>
		</free-nav-bar>
		<!-- 聊天内容区域 -->
		<scroll-view scroll-y="true" class="bg-light position-fixed left-0 right-0" style="bottom: 105rpx;"
			:style="chatBodyBottom" :show-scrollbar="false">

			<block v-for="(item,index) in list" :key="index">
				<!-- 聊天信息列表组件 -->
				<free-chat-item :item="item" :index="index" :pretime="index>0 ? list[index-1].create_time : 0"
					@long="long" ref="chatItem" @preview="previewImage"></free-chat-item>
			</block>
			<!-- 右边 -->
			<!-- 	<view class="flex align-start justify-end position-relative">
				<div class="bg-chat-item p-2 rounded mr-3" style="max-width:500rpx;">
					<text class="font-md">你好你好你好你好你好你好你好你好你好你好你好</text>
				</div>
				<view class="iconfont font-md position-absolute chat-right-icon"><text class="text-chat-item iconfont font-md">&#xe640;</text></view>
				<free-avatar size="75" src="/static/images/demo/demo6.jpg"></free-avatar>
			</view> -->
		</scroll-view>
		
		<!-- 扩展菜单 -->
		<free-popup ref="action" bottom transformOrigin="center bottom" @hide="keyBoardHeight = 0" :mask="false">
			<view style="height: 580rpx;" class="border-top border-light-secondary">
				<swiper :indicator-dots="emoticonOrActionList.length>1" style="height:510rpx;">
					<swiper-item class="row" v-for="(item,index) in emoticonOrActionList" :key="index" >
						<view class="col-3 flex flex-column align-center justify-center" style="height: 255rpx;" v-for="(item2,index2) in item" :key="index2" @click="actionEvent(item2)">
							<image :src="item2.icon" mode="widthFix"
								style="width: 100rpx;height: 100rpx;"></image>
							<text class="font-sm text-muted mt-2">{{item2.name}}</text>
						</view>
					</swiper-item>
				</swiper>
			</view>
		</free-popup>
		<!-- 弹出层 -->
		<free-popup ref="extend" maskColor bottom :bodyWidth="240" :bodyHeight="geMenusHeight" :tabbarHeight="105">
			<view class="flex flex-column" style="width:240rpx;" :style="getMenusStyle">
				<view v-for="(item,index) in menusList" :key="index" class="flex-1 flex align-center"
					hover-class="bg-light" @click="clickEvent(item.event)">
					<text class="font-md pl-3">{{item.name}}</text>
				</view>
			</view>
		</free-popup>
		<!-- #ifdef APP-PLUS-NVUE -->
			<div class="position-fixed top-0 right-0 left-0 bottom-0" v-if="mode==='action' || mode==='emoticon'" @click="clickPage" :style="'bottom:'+maskBottom+'px;'"></div>
		<!-- #endif -->

		<!-- 底部输入框 -->
		<view class="position-fixed left-0 right-0 border-top flex align-center"
			style="background-color: #F7F7F6;height: 105rpx;" :style="'bottom:'+keyBoardHeight+'px;'">
			<free-icon-button @click="changeVoiceOrText">
				<block v-if="mode === 'audio'">
					<text class="iconfont font-lg">&#xe607;</text>
				</block>
				<block v-else>
					<text class="iconfont font-lg">&#xe606;</text>
				</block>
			</free-icon-button>
			<view class="flex-1">
				<view v-if="mode==='audio'" class="rounded flex align-center justify-center" style="height: 80rpx;" :class="isRecording?'bg-hover-light':'bg-white'" @touchstart="voiceTouchStart" @touchend="voiceTouchEnd" @touchmove="voiceTouchMove" @touchcancel="voiceTouchCancel">
					<text class="font">{{isRecording ? '松开 结束' : '按住 说话'}}</text>
				</view>
				<textarea v-else class="bg-white rounded p-1 font-md" style="height: 50rpx;max-width: 500rpx;" :adjust-position="false"
					v-model="text" @click="onInputClick" />
			</view>
		
		<template v-if="text.length === 0">
			<!-- 表情 -->
			<free-icon-button><text class="iconfont font-lg" @click="openActionOrEmoticon('emoticon')">&#xe605;</text></free-icon-button>
				<!-- 扩展菜单 -->
				<free-icon-button @click="openActionOrEmoticon('action')"><text class="iconfont font-lg">&#xe603;</text></free-icon-button>
			</template>
			<view v-else class="flex-shrink">
				<!-- 发送按钮 -->
				<!-- <view class="main-bg-color rounded flex align-center justify-center mr-2 px-2 pt-4" style="height: 70rpx;" @click="send('text')"> 发送
				</view> -->
				<free-main-button name="发送" @click="send('text')"></free-main-button>
			</view>
		</view>
		
		<!-- 录音提示 -->
		<view v-if="isRecording" class="position-fixed top-0 left-0 right-0 flex align-center justify-center" style="bottom: 105rpx;">
			<view class="rounded flex flex-column align-center justify-center" style="width: 360rpx;height: 360rpx;background-color: rgba(0,0,0,0.5);">
				<image src="/static/images/audio/audio/recording.gif" style="width: 150rpx;height: 150rpx;"></image>
				<text class="font text-white mt-3">{{unRecord?'松开手指，取消发送':'手指上滑，取消发送'}}</text>
			</view>
		</view>
	</view>
</template>
<script>
	
	// #ifdef APP-NVUE
	const domModule = weex.requireModule('dom');
	// #endif
	import freeNavBar from '@/components/free-ui/free-nav-bar.vue';
	import freeIconButton from '@/components/free-ui/free-icon-button.vue';
	import freeChatItem from '@/components/free-ui/free-chat-item.vue';
	import freePopup from '@/components/free-ui/free-popup.vue';
	import freeMainButton from '@/components/free-ui/free-main-button.vue';
	import { mapState,mapMutations } from 'vuex';
	import auth from '@/common/mixin/auth.js';
	export default {
		mixins:[auth],
		components: {
			freeNavBar,
			freeIconButton,
			freeChatItem,
			freePopup,
			freeMainButton
		},
		watch:{
			mode(newValue,oldValue){
				if(newValue !== 'action' && newValue !== 'emoticon'){
					this.$refs.action.hide();
				}
				
				if(newValue !== 'text'){
					uni.hideKeyboard()
				}
			}
		},
		// 生命周期
		mounted() {
			this.statusBarHeight = 0;
			// 获取任务栏高度
			// #ifdef APP-PLUS-NVUE
			this.statusBarHeight = plus.navigator.getStatusbarHeight()
			// #endif
			this.navBarHeight = this.statusBarHeight + uni.upx2px(90)
			// 监听键盘高度变化
			uni.onKeyboardHeightChange((res) => {
				if(this.mode !== 'action' && this.mode !== 'emoticon'){
					this.keyBoardHeight = res.height;
				}
				if (this.keyBoardHeight>0) {
					this.pageToBottom()
				}
			})
			// 注册发送音频事件
			this.regSendVoiceEvent((url)=>{
				if(!this.unRecord){
					// 发送
					this.send('audio',url,{
						time:this.RecordTime
					})
				}
			});
		},
		onLoad(e) {
			if(!e.params){
				return this.backToast();
			}
			// 初始化
			this.__init();
			this.detail = JSON.parse(e.params)
			console.log(this.detail)
			// 创建聊天对象
			this.chat.createChatObject(this.detail)
			// 获取历史记录
			// 监听接收聊天信息
			
		},
		destroyed() {
			// 销毁聊天对象
			this.chat.destoryChatObject();
		},
		computed: {
			...mapState({
				RECORD:state=>state.audio.RECORD,
				RecordTime:state=>state.audio.RecordTime,
				chat:state=>state.user.chat
			}),
			// 所有信息的图片地址
			imageList(){
				var arr = [];
				this.list.forEach((item)=>{
					if(item.type === 'emoticon' || item.type === 'image'){
						arr.push(item.data)
					}
				})
				return arr;
			},
			// 获取蒙版的位置
			maskBottom(){
				return this.keyBoardHeight + uni.upx2px(105)
			},
			// 动态获取菜单高度
			geMenusHeight() {
				let H = 100;
				return this.menus.length * H;
			},
			// 获取菜单的样式
			getMenusStyle() {
				return `height:${this.geMenusHeight}rpx;`;
			},
			// 是否是本人
			isDoSelf() {
				// 获取本人id（假设拿到了）
				// let id = 1;
				// let user_id = this.propIndex > -1 ? this.list[this.propIndex].user_id : 0;
				// return user_id === id;
			},
			// 获取操作菜单
			menusList() {
				return this.menus.filter(v => {
					if (v.name === '撤回' && this.isDoSelf) {
						return false;
					} else {
						return true;
					}
				})
			},
			// 聊天区域bottom
			chatBodyBottom() {
				return `bottom:${uni.upx2px(105) + this.keyBoardHeight}px;top:${this.navBarHeight}px`;
			},
			// 获取操作或者表情列表
			emoticonOrActionList(){
				if(this.mode === 'emoticon' || this.mode === 'action'){
					return this[this.mode+'List'];
				}else{
					return  [];
				}
			}
		},
		data() {
			return {
				// 模式 text输入文字 emoticon表情 action操作 audio音频
				mode:'text',  
				// 扩展菜单列表
				actionList: [
					[{
							name: "相册",
							icon: "/static/images/extends/pic.png",
							event: "uploadImage"
						},
						{
							name: "拍摄",
							icon: "/static/images/extends/video.png",
							event: "uploadVideo"
						},
						{
							name: "收藏",
							icon: "/static/images/extends/shoucan.png",
							event: ""
						},
						{
							name: "名片",
							icon: "/static/images/extends/man.png",
							event: ""
						},
						{
							name: "语音通话",
							icon: "/static/images/extends/phone.png",
							event: ""
						},
						{
							name: "位置",
							icon: "/static/images/extends/path.png",
							event: ""
						}
					]
				],
				// 表情包
				emoticonList:[
					[{
							name: "沮丧",
							icon: "/static/images/emoticon/5497/0.gif",
							event: ""
					  },
					  {
					  		name: "沮丧",
					  		icon: "/static/images/emoticon/5497/0.gif",
					  		event: ""
					   }]
				],
				// 输入文字
				text: "",
				// 音频录制中
				isRecording:false,
				// 取消录音
				unRecord:false,
				// 当前气泡索引
				keyBoardHeight: 0,
				propIndex: 1,
				navBarHeight: 0,
				list:[],
				// list: [{
				// 		avatar: "/static/images/demo/demo6.jpg",
				// 		nickname: "昵称",
				// 		user_id: 1,
				// 		type: "text", // image,audio,video,file,share
				// 		data: "你好你好你好你好你好你好你好你好你好你好你好",
				// 		create_time: 1628233521,
				// 		isremove: false
				// 	}, {
				// 		avatar: "/static/images/demo/demo6.jpg",
				// 		nickname: "昵称",
				// 		user_id: 2,
				// 		type: "text", // image,audio,video,file,share
				// 		data: "11你好你好你好你好你好你好你好你好你好你好你好",
				// 		create_time: 1628234896,
				// 		isremove: false
				// 	},
				// 	{
				// 		avatar: "/static/images/demo/demo6.jpg",
				// 		nickname: "昵称",
				// 		user_id: 1,
				// 		type: "text", // image,audio,video,file,share
				// 		data: "你好你好你好你好你好你好你好你好你好你好你好",
				// 		create_time: 1628233521,
				// 		isremove: false
				// 	},{
				// 		avatar: "/static/images/demo/demo6.jpg",
				// 		nickname: "昵称",
				// 		user_id: 2,
				// 		type: "text", // image,audio,video,file,share
				// 		data: "11你好你好你好你好你好你好你好你好你好你好你好",
				// 		create_time: 1628234896,
				// 		isremove: false
				// 	},
				// 	{
				// 		avatar: "/static/images/demo/demo6.jpg",
				// 		nickname: "昵称",
				// 		user_id: 1,
				// 		type: "audio", // image,audio,video,file,share
				// 		data: "/static/images/audio/audio/1.mp3",
				// 		options:{
				// 			time:10
				// 		},
				// 		create_time: 1628234896,
				// 		isremove: false
				// 	},
				// 	{
				// 		avatar: "/static/images/demo/demo6.jpg",
				// 		nickname: "昵称",
				// 		user_id: 2,
				// 		type: "audio", // image,audio,video,file,share
				// 		options:{
				// 			time:20
				// 		},
				// 		data: "/static/images/audio/audio/2.mp3",
				// 		create_time: 1628234896,
				// 		isremove: false
				// 	},
				// 	{
				// 		avatar: "/static/images/demo/demo6.jpg",
				// 		nickname: "昵称",
				// 		user_id: 1,
				// 		type: "audio", // image,audio,video,file,share
				// 		data: "/static/images/audio/audio/3.mp3",
				// 		options:{
				// 			time:60
				// 		},
				// 		create_time: 1628234896,
				// 		isremove: false
				// 	},
				// 	{
				// 		avatar: "/static/images/demo/demo6.jpg",
				// 		nickname: "昵称",
				// 		user_id: 1,
				// 		type: "video", // image,audio,video,file,share
				// 		data: "/static/video/demo.mp4",
				// 		options:{
				// 			poster:"/static/video/demo.jpg"
				// 		},
				// 		create_time: 1628234896,
				// 		isremove: false
				// 	}
				// ],
				RecordingStartY:0,
				detail:{
					id:0,
					name:'',
					avatar:'',
					chat_type:'user'
				},
				menus: [{
						name: '复制',
						event: ""
					},
					{
						name: '发送给朋友',
						event: ""
					},
					{
						name: '收藏',
						event: ""
					},
					{
						name: '删除',
						event: ""
					},
					{
						name: '多选',
						event: ""
					},
					{
						name: '撤回',
						event: "removeChatItem"
					}],
				
				}
		},
		methods: {
			...mapMutations(['regSendVoiceEvent']),
			__init(){
				var total = 24;
				var page = Math.ceil(total/8);
				var arr = [];
				for (var i = 0;i<page;i++) {
					var start = i*8;
					arr[i] = [];
					for(var j=0;j<=8;j++){
						arr[i].push({
							name:'表情'+(start+j),
							icon:'/static/images/emoticon/5497/'+(start+j)+'.gif',
							event:'sendEmoticon'
						})
					}
				}
				this.emoticonList = arr;
			},
			// 点击区域
			clickPage(){
				// 隐藏操作菜单
				this.$refs.action.hide();
				this.mode = 'text';
			},
			// 输入框聚焦
			onInputClick(event){
				this.mode = 'text';
			},
			// 事件分发
			actionEvent(e){
				switch(e.event){
					case 'uploadImage':
					uni.chooseImage({
					    count: 9, //默认9
					    success:(res)=>{
					        res.tempFilePaths.forEach((item)=>{
								// 发送到服务器
								
								// 渲染到页面
								this.send('image',item);
							})
					    }
					});
					break;
					case 'sendEmoticon': // 发送表情包
					this.send('emoticon',e.icon);
					break;
					case 'uploadVideo': // 发送短视频
					uni.chooseVideo({
						maxDuration:10,
						success: (res) => {
							// 渲染页面
							this.send('video',res.tempFilePath);
							// 发送到服务端（获取视频封面，返回url）
							// 修改本地发送状态
						}
					})
					break;
				}
			},
			// 打开扩展菜单或者表情包
			openActionOrEmoticon(model = 'action') {
				this.mode = model;
				this.$refs.action.show();
				uni.hideKeyboard();
				this.keyBoardHeight = uni.upx2px(580);
			},
			
			// 发送
			send(type,data='',options={}) {
				// 组织数据格式
				switch (type) {
					case 'text':
						data = this.text;
						break;
					case 'image':
						data = data;
						break;
					case 'audio':
						break;
					case 'video':
						break;
					case 'file':
						break;
					case 'share':
						break;
					default:
					obj.data=data;
					break;
				}
				let message = this.chat.formatSendData({
					type,
					data,
					options
				})
				// 渲染到页面
				let index = this.list.length
				this.list.push(message);
				// 发送到服务端
				this.chat.send(message).then(res=>{
					console.log(res);
					// 发送成功
					this.list[index] = res.id,
					this.list[index].sendStatus = 'success'
				}).catch(err=>{
					// 发送失败
					this.list[index].sendStatus = 'fail'
					console.log(err);
				})
				// 发送文字成功，清空输入框
				if(type==='text'){
					this.text = "";
				}
				
				// var time = (new Date()).getTime();
				// var obj = {
				// 	avatar: "/static/images/demo/demo6.jpg",
				// 	nickname: "昵称",
				// 	user_id: 1,
				// 	type: type,  // image,audio,video,emoticon
				// 	data: data,
				// 	create_time: time,
				// 	options:options,
				// 	isremove: false
				// };
				// switch (type) {
				// 	case 'text':
				// 		obj.data = this.text;
				// 		this.text = "";
				// 		break;
				// 	case 'image':
				// 		obj.data = data;
				// 		break;
				// 	case 'audio':
				// 		break;
				// 	case 'video':
				// 		break;
				// 	case 'file':
				// 		break;
				// 	case 'share':
				// 		break;
				// 	default:
				// 	obj.data=data;
				// 	break;
				// }
				// this.list.push(obj);
				// // 置于底部
				// var pageToBottomTimer = setTimeout(()=>{
				// 	this.pageToBottom();
				// 	clearTimeout(pageToBottomTimer);
				// },200);
			},
			// 长按消息气泡
			long(e) {
				this.propIndex = e.index;
				this.$refs.extend.show(e.x, e.y);
			},
			// 回到底部
			pageToBottom() {
				let chatItem = this.$refs.chatItem;
				let lastIndex = chatItem.length > 0 ? chatItem.length - 1 : 0;

				let last = chatItem[lastIndex];
				// #ifdef APP-NVUE
				if (chatItem[lastIndex]) {
					domModule.scrollToElement(last, {});
				}
				// #endif
			},
			// 操作菜单方法分发
			clickEvent(event) {
				switch (event) {
					case 'removeChatItem': // 撤回消息
						// 拿到当前被操作的信息
						this.list[this.propIndex].isremove = true;
						break;
					default:
						break;
				}
				// 关闭菜单
				this.$refs.extend.hide();
			},
			// 预览图片
			previewImage(url){
				// 预览图片
				uni.previewImage({
					current:url,
					urls:this.imageList,
					indicator:"default",
					longPressActions: {
						itemList: ['发送给朋友', '保存图片', '收藏'],
						success: function(data) {
							console.log('选中了第' + (data.tapIndex + 1) + '个按钮,第' + (data.index + 1) + '张图片');
						},
						fail: function(err) {
							console.log(err.errMsg);
						}
					}
				});
			},
		// 切换音频录制喝文本输入
		changeVoiceOrText(){
			this.mode = this.mode !== 'audio' ? 'audio' : 'text';
		},
		// 录音相关 
		// 录音开始
		voiceTouchStart(e){
			this.isRecording = true;
			this.RecordingStartY = e.changedTouches[0].screenY;
			this.unRecord = false;
			// 开始录音
			this.RECORD.start({
				format:'mp3'
			})
		},
		// 录音结束
		voiceTouchEnd(){
			this.isRecording = false;
			// 停止录音
			this.RECORD.stop();
		},
		// 录音打断
		voiceTouchCancel(){
			this.isRecording = false;
			this.unRecord = true;
			// 停止录音
			this.RECORD.stop();
		},
		voiceTouchMove(e){
			var Y = Math.abs(e.changedTouches[0].screenY-this.RecordingStartY);
			this.unRecord = (Y>=80);
		},
		// 打卡聊天信息
		openChat(){
			uni.navigateTo({
				url:'/pages/chat/chat-set/chat-set'
			})
		}
	  }
	}
</script>

<style>

</style>

感谢大家观看，我们下次见