zhibo/pages/home/App.vue

<script>
	var wsUrl="ws://127.0.0.1:1234";
	var pingpangTimes=null;
	var initTimes=null;
	var isSocketOpen=false;
	var socket=null;
	export default {
		data() {
			return {
			};
		},
		onLaunch: function() {
			this.initSocket()
			console.log('App Launch')
			var that=this;
			uni.$on('initSocket', () => {
				that.initSocket()
			})
			uni.$on('sendMsg', (item) => {
				that.sendMsg(item)
			})
			uni.$on('closeWebSocket', () => {
				that.closeWebSocket()
			})
			this.getEWechatSdk();
			// var initTimes=setInterval(function(){
			// 	if(!isSocketOpen){
			// 		try{
			// 			uni.closeSocket();
			// 		}
			// 		catch(err){
						
			// 		}
			// 		clearInterval(pingpangTimes);
			// 		that.initSocket()
			// 	}
			// },5000);
			
		},
		onShow: function() {
			console.log('App Show')
		},
		onHide: function() {
			console.log('App Hide')
		},
		onUnload() {
			console.log(pingpangTimes)
			clearInterval(pingpangTimes)
			// clearInterval(initTimes)
		},
		methods:{
			getEWechatSdk() {
				let eWechatSdk = ''
				if (/(Android)/i.test(navigator.userAgent)) {
					eWechatSdk = 'jWeixin'
				} else if (/(iPhone|iPad|iPod|iOS)/i.test(navigator.userAgent)) {
					eWechatSdk = 'wx'
				} else {
					eWechatSdk = 'jWeixin'
				}
				uni.setStorageSync("wxSdk",eWechatSdk)
			},
			closeWebSocket(){
				if(socket!=null){
					uni.closeSocket();
				}
				clearInterval(pingpangTimes)
			},
			reConnect(){
				var that=this;
				try{
					uni.closeSocket();
				}
				catch(e){
					
				}
				setTimeout(function(){
					that.initSocket();
				},10000);
				
			},
			initSocket(){
				var that=this;
				console.log("initSocket")
				//创建一个socket连接
				socket=uni.connectSocket({
					url:wsUrl,
					multiple:true,
					success: res=>{
						//先确保清除了之前的心跳定时器
						clearInterval(pingpangTimes)
						uni.onSocketMessage((res)=>{
							const redata = JSON.parse(res.data);
							console.log(redata);
							if(redata.cmd=='deleteId'){
								uni.$emit('deleteId');
							}
							else if(redata.cmd=='init'){
								uni.$emit('init',redata.data);
							}
							else if(redata.cmd=='reload'){
								uni.$emit('reload');
							}
							else if(redata.cmd=='sendStatus'){
								uni.$emit('sendStatus',redata.data);
							}
							
						})
						pingpangTimes=setInterval(()=>{
							var data={cmd:"heartbeat"};
							console.log(data)
							uni.sendSocketMessage({
								data:JSON.stringify(data),
								success:()=>{
									console.log('WebSocket发送心条数据！');
								},
								fail:(res)=>{
									console.log(data);
									isSocketOpen=false
								}
							});
						},2000)
					},
					error: res=>{
						uni.$emit('websocket',0);
						console.log(res)
					},
				})
				//监听socket打开
				uni.onSocketOpen(()=>{
					isSocketOpen=true
					console.log('WebSocket连接已打开！!');
					// uni.$emit('websocket',1);
					uni.showToast({
						title: "插件已打开",
						icon: 'none',
					});
				})
				//监听socket关闭
				uni.onSocketClose(()=>{
					isSocketOpen=false
					clearInterval(pingpangTimes)
					console.log('WebSocket连接已关闭！');
					// uni.$emit('websocket',0);
					uni.showToast({
						title: "插件离线",
						icon: 'none',
					});
					//重连
					that.reConnect()
				})
				//监听socket错误
				uni.onSocketError(()=>{
					isSocketOpen=false
					clearInterval(pingpangTimes)
					console.log('WebSocket连接打开失败');
					// uni.$emit('websocket',0);
					uni.showToast({
						title: "插件离线",
						icon: 'none',
					});
					that.reConnect()
				})
			},
			sendMsg(data){
				if(isSocketOpen){
					uni.sendSocketMessage({
						data: JSON.stringify(data),
						success:()=>{
							
							console.log("发送成功")
						},
						fail:()=>{
							console.log("发送失败")
						}
					});
					
				}
				
			},
		
		}
	}
</script>

<style lang="scss">
	/*每个页面公共css */
	@import "@/uni_modules/uview-ui/index.scss";
	view{
		box-sizing: border-box;
	}
	.ellipsis{
		overflow: hidden;
		text-overflow: ellipsis;
		white-space: nowrap;
	}
	.ellipsis2{
		overflow:hidden; 
		text-overflow:ellipsis;
		display:-webkit-box; 
		-webkit-box-orient:vertical;
		-webkit-line-clamp:2; 
	}
	 
	
	.no-data-box{
		height:100%;
		width: 100%;
		display: flex;
		justify-content: center;
		align-items: center;
		flex-direction: column;
		image{
			width: 264upx;
			height: 212upx;
		}
		.empty-title{
			margin-top: 20rpx;
			font-size: 28rpx;
			color: gray;
			 
		}
	}
</style>
<style lang="less">
</style>