import {
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CommonUtils
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} from "@/utils/common.js";
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class WebSocketServices {
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constructor() {
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this.wsInstance = null; // WebSocket 实例
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this.isConnecting = false; // 避免并发重连
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this.isConnected = false; // 避免并发重连
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this.wsUrl = CommonUtils.httpFormatWs()
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}
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// 建立WebSocket连接
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createConnect(userId, userName) { // 使用用户标识 作为后端连接的凭据
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console.log('wsUrl: ', this.wsUrl);
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console.log('userId: ', userId);
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console.log('userName: ', userName);
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if (this.isConnecting || !userId || this.isConnected) {
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return
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}
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this.wsInstance = uni.connectSocket({
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url: this.wsUrl + `?userId=${userId}&userName=${encodeURIComponent(userName)}`,
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success() {
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this.isConnecting = true
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}
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})
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// 监听套接字连接建立
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uni.onSocketOpen((res) => {
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console.log('[webSocket]: 套接字连接建立成功');
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this.isConnecting = false
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this.isConnected = true
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console.log('res: ', res);
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this.wsInstance = res.socketTask
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})
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uni.onSocketMessage((res) => {
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let message = JSON.parse(res.data)
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console.log('message: ', message);
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if (message.Type == 'Message') {
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// 消息信号
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let content = JSON.parse(message.Content)
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console.log('content: ', content);
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this.showTaskTip(`您有${content.length}条消息需要处理!`)
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} else if (message.Type == 'ping') {
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// 心跳信号
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uni.sendSocketMessage({
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data: "pong"
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})
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}
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})
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}
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// 重连
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reConnect(reCount = 1, limit = 3) {
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if (reCount > limit) {
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uni.showToast({
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icon: 'none',
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title: `超出最大重连次数。已退出连接`
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})
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this.isConnecting = false
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return
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}
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uni.showToast({
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icon: 'none',
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title: `正在尝试重连，重连次数 ${reCount}`
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})
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reConnect(reCount + 1, limit)
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uni.hideToast()
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}
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// 连接注销
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disConnect() {
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}
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showTaskTip(Content) {
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console.log('Content: ', Content);
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// #ifdef APP-PLUS || APP
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console.log('Content2: ', Content);
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let content = Content;
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let options = {
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title: "重要通知",
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cover: true, // 是否覆盖上一次的通知
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when: new Date() // 通知显示时间
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};
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// TODO 跳转到指定页
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let payload = JSON.stringify({});
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plus.push.createMessage(content, payload, options);
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// #endif
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}
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}
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export default new WebSocketServices()
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