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import config from "../config.js"
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let websocket = {}
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// 服务器接口地址
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websocket.url = config.wss
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// 链接是否打开
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websocket.isSocketOpen = false
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// 心跳定时，每30s执行一次
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websocket.timer = ''
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// 每Xs执行一次心跳数据发送
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websocket.seconds = 30
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/**
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* 创建链接并监听打开&报错事件&关闭事件
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* @date 2022-05-17
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*/
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websocket.init = function() {
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return new Promise((resolve, reject) => {
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// 创建一个 WebSocket 连接。
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uni.connectSocket({
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url: this.url,
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success: (res) => {
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console.log('connectSocketSuccess', res)
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},
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fail: (res) => {
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console.log('connectSocketFail', res)
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},
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complete: (res) => {
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// console.log('connectSocketComplete', res)
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}
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})
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// 监听WebSocket连接打开事件
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uni.onSocketOpen((res) => {
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console.log('onSocketOpen', res)
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this.isSocketOpen = true
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//发送心跳数据
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this.timer = setInterval(() => {
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this.sendMessage({
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type: 'heart_beat',
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send_type: 'to_self',
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data: {
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content: '发送心跳数据'
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}
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})
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}, this.seconds * 1000)
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resolve(res)
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})
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// 监听WebSocket错误
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uni.onSocketError((res) => {
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console.log('onSocketError', res)
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reject(res)
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})
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// 监听WebSocket关闭
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uni.onSocketClose((res) => {
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console.log('onSocketClose', res)
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this.isSocketOpen = false
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// 关闭心跳
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if (this.timer) {
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clearInterval(this.timer)
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}
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reject(res)
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})
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})
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}
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/**
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* 通过 WebSocket 连接发送数据
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* @date 2022-05-18
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*/
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websocket.sendMessage = function(data) {
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return new Promise((resolve, reject) => {
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if (!this.isSocketOpen) {
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reject('当前websocket连接未打开')
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return false
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}
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uni.sendSocketMessage({
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data: JSON.stringify(data),
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success: (res) => {
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console.log('sendMessageSuccess', res)
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resolve(res)
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},
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fail: (res) => {
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console.log('sendMessageFail', res)
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reject(res)
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}
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})
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})
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}
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/**
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* 关闭 WebSocket 连接
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* @date 2022-05-18
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*/
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websocket.closeSocket = function() {
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// 更改websocket状态为关闭
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this.isSocketOpen = false
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uni.closeSocket()
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}
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export default websocket
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