html h5 vue websocket 断链 心跳 个人笔记
youarebeautiful -let webSocket = null;
let mAudio = null;
let webSocketStateInterval = null;
let heartInterval = null;
let number = 3;
let _closeType = false; // true主动挂断 false被动挂断
export default {
initWebsocket() {
let _that = this;
let userInfo = JSON.parse(localStorage.getItem("userInfo"));
let _url = process.env.VUE_APP_socketURL + userInfo.id;
webSocket = new WebSocket( _url);
webSocket.onopen = function(event) {
// console.log("webSocket onopen ----->", event);
heartInterval = setInterval(function(){
webSocket.send(JSON.stringify({cmd: 100}));
}, 10000);
webSocketStateInterval = setInterval(function(){
switch (webSocket.readyState) {
case WebSocket.CONNECTING:
console.log("webSocket连接中---->");
break;
case WebSocket.OPEN:
console.log("webSocket打开中---->");
break;
case WebSocket.CLOSING:
console.log("webSocket关闭中---->");
break;
case WebSocket.CLOSED:
console.log("webSocket关闭成功---->");
if(webSocketStateInterval){
clearInterval(webSocketStateInterval);
}
if(_closeType == false){
_that.initWebsocket();
// number--; if(number === 0) {webSocket.close();}
}
break;
default:
console.log("webSocket-------");
break;
}
}, 2000);
};
webSocket.onmessage = function(event) {
// console.log("webSocket onmessage ----->", event);
let message = JSON.parse(event.data);
// console.log("message----->", message);
if (message.cmd == 100) {
console.log("100-心跳中------", message.msg);
}
};
webSocket.onerror = function(event) {
console.log("webSocket onerror ----->", event);
_that.initWebsocket();
};
webSocket.onclose = function(event) {
console.log("webSocket onclose --->", event);
if(_closeType){
if(webSocketStateInterval){
clearInterval(webSocketStateInterval);
}
}
if(heartInterval){
clearInterval(heartInterval);
}
_closeType = false;
};
// return new Promise((resolve, reject) => {resolve()});
},
sendWebSocket(text) {
webSocket.send(JSON.stringify(text));
},
closeWebSocket(closeType) {
_closeType = closeType;
webSocket.close();
},
closeAudio() {
mAudio.pause();
}
}
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