React - Websocket_react-websocket

// 组件didMount调用
Store.createWebSocket(Math.random())

// Store
url = `ws://${window.backend_server.slice(7)}/apronMapWebsocket/` // 这个要与后端提供的相同
ws = null // WebSocket的引用
reconnectTimeInterval = 2000 // 这里设置重连间隔(ms)
timeoutObj = null
timeout = 10000
webSocketId

// 建立连接
@action createWebSocket = (id) => {
	// store 里 window.backend_server 无法更改，暂时在 UI 里存储
	let url = `ws://${UI.configIP.slice(7)}/apronMapWebsocket/` // 这个要与后端提供的相同
	this.webSocketId = id
	try {
		if ('WebSocket' in window) {
			this.ws = new window.WebSocket(`${url}${id}`)
		} else if ('MozWebSocket' in window) {
			this.ws = new window.MozWebSocket(`${url}${id}`)
		} else {
			this.ws = new window.SockJS(`${url}${id}`)
		}
		this.initEventHandle()
	} catch (e) {
		this.reconnect()
	}
}

// 连接成功主函数
@action initEventHandle = () => {
	this.ws.onclose = () => {
		// this.reconnect()
		clearTimeout(this.timeoutObj)
		clearTimeout(this.circlrList)
		this.ifCircle = false
	}
	this.ws.onerror = () => {
		this.reconnect()// 重连
	}
	// 连接成功建立后响应
		this.ws.onopen = () => {
		// 心跳检测
		this.heartCheckStart()
	}
	// 收到服务器消息后响应
		this.ws.onmessage = (e) => {
		console.log(JSON.parse(e.data)
	}
}

// 重连
@action reconnect = () => {
	if (this.lockReconnect) return
	this.lockReconnect = true
	clearTimeout(this.timeoutObj)
	// 没连接上会一直重连，设置延迟避免请求过多
	setTimeout(() => {
		this.createWebSocket(this.webSocketId)
		// this.lockReconnect = false
	}, this.reconnectTimeInterval)
}

// 关闭
@action heartCheckClose = () => {
	clearTimeout(this.timeoutObj)
	this.ws && this.ws.close()
}

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