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编码猿
1
socketEnd/.pydio
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1
socketEnd/.pydio
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3cc42d59-bf43-40d6-9b77-9cd98018af9b
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41
socketEnd/index.html
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socketEnd/index.html
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<!DOCTYPE html>
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<html>
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<head>
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<title>websocket</title>
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</head>
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<body>
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<button>点我唤醒手机</button>
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</body>
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<script type="text/javascript">
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// 浏览器提供 WebSocket 对象
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var ws = new WebSocket("ws://120.27.144.174:8080/html");
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// 发送
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ws.onopen = function () {
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console.log("Connection open ...");
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};
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ws.onmessage = function (evt) {
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console.log("Received Message: " + evt.data);
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};
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document.querySelector("button").onclick = function () {
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ws.send(
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JSON.stringify({
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type: 1,
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data: {
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// 大地中学 东北门
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// Longitude: 117.325131,
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// Latitude: 31.793141,
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// 信旺华府俊苑14栋
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// Longitude: 117.237326,
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// Latitude: 31.830978,
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},
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})
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);
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};
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</script>
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</html>
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6
socketEnd/index.js
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6
socketEnd/index.js
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const WebSocket = require("./utils/WebSocket");
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new WebSocket({ port: 8080 });
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20
socketEnd/package.json
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socketEnd/package.json
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{
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"name": "socketEnd",
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"version": "1.0.0",
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"description": "",
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"main": "index.js",
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"scripts": {
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"dev": "node-dev index.js",
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"start": "pm2 start ./index.js --name auto --watch -i max"
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},
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"keywords": [],
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"author": "",
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"license": "ISC",
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"dependencies": {
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"ws": "^8.0.0"
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},
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"optionalDependencies": {
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"bufferutil": "^4.0.3",
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"utf-8-validate": "^5.0.5"
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}
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}
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1
socketEnd/utils/.pydio
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1
socketEnd/utils/.pydio
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@@ -0,0 +1 @@
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2c1850c2-c06e-472a-8537-aa75068498d9
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92
socketEnd/utils/WebSocket.js
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92
socketEnd/utils/WebSocket.js
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const Socket = require("ws");
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const utils = require("./utils");
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class WebSocket {
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constructor(options) {
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this.SocketList = {};
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this.options = {};
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this.WS = null;
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this.options = options;
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this.createServer()
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}
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createServer() {
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const WS = new Socket.Server(this.options);
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WS.on('connection', (ws, req) => this.connection(ws, req))
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}
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async connection(ws, req) {
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console.log('建立连接：', req.url);
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const id = req.url.split('/')[1];
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if (!id) return ws.close();
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this.SocketList[id] = ws;
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ws.id = id;
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this.filter();
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ws.on('message', this.message.bind(this));
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ws.on('close', (msg) => this.close(msg, ws.id));
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}
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async message(msg) {
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msg = msg.toString('utf-8');
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try {
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const message = JSON.parse(msg);
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switch (message.type) {
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// 收到客户端1 android 的消息
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// 需要 拿到到GPS的经纬度 进行距离判断
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// 然后服务器 向客户端2 推送消息
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case 1:
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console.log("收到客户端1 android 的消息");
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this.sendMessage({ data: "start" }, "clent2")
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break;
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// 收到客户端2的消息
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case 2:
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// this.send("flutter客户端2测试")
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console.log("收到客户端2的消息", message);
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break;
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default:
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break;
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}
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} catch (error) {
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console.log(error);
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console.log("消息格式必须为Object");
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}
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}
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async filter() {
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for(let key in this.SocketList) {
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if (!this.SocketList[key].readyState === 1) delete this.SocketList[key]
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}
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}
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close(msg, id) {
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console.log('关闭连接', id, msg);
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}
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sendMessage(msg, id) {
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// console.log("==================");
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if(id) {
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// console.log("if ==== ", msg, id);
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// console.log("this.SocketList ==== : ", this.SocketList);
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if (this.SocketList[id].readyState === 1) {
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this.SocketList[id].send(JSON.stringify(msg));
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}
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} else {
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// console.log("else");
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// console.log("this.SocketList: ", this.SocketList);
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for (let ws of Object.values(this.SocketList)) {
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if (ws.readyState === 1) ws.send(JSON.stringify(msg));
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}
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}
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}
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}
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module.exports = WebSocket;
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34
socketEnd/utils/utils.js
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34
socketEnd/utils/utils.js
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class utils {
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/**
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* 计算两经纬度点之间的距离(单位：米)
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* @param {*} lat1 纬度1
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* @param {*} lng1 经度1
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*
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* @param {*} lat2 纬度2
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* @param {*} lng2 经度2
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* @returns
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*/
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caculateLL(lng1, lat1, lng2 = 117.325426, lat2 = 31.794477) {
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var radLat1 = (lat1 * Math.PI) / 180.0;
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var radLat2 = (lat2 * Math.PI) / 180.0;
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var a = radLat1 - radLat2;
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var b = (lng1 * Math.PI) / 180.0 - (lng2 * Math.PI) / 180.0;
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var s =
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2 *
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Math.asin(
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Math.sqrt(
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Math.pow(Math.sin(a / 2), 2) +
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Math.cos(radLat1) *
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Math.cos(radLat2) *
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Math.pow(Math.sin(b / 2), 2)
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)
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);
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s = s * 6378.137;
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s = Math.round(s * 10000) / 10;
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return s;
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}
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}
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module.exports = new utils();
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