data中需要这些参数
data() {
return {
websock: null, //建立的连接
lockReconnect: false, //是否真正建立连接
timeout: 28 * 1000, //30秒一次心跳
timeoutObj: null, //外层心跳倒计时
serverTimeoutObj: null, //内层心跳检测
timeoutnum: null //断开 重连倒计时
};
},methods中：
initWebSocket() {
//初始化weosocket
const wsuri = "ws://" + "xxxxx" + ":端口号";
this.websock = new WebSocket(wsuri);
this.websock.onopen = this.websocketonopen;
this.websock.onmessage = this.websocketonmessage;
this.websock.onerror = this.websocketonerror;
this.websock.onclose = this.websocketclose;
},reconnect() {
//重新连接
var that = this;
if (that.lockReconnect) {
// 是否真正建立连接
return;
}
that.lockReconnect = true;
//没连接上会一直重连，设置延迟避免请求过多
that.timeoutnum && clearTimeout(that.timeoutnum);
// 如果到了这里断开重连的倒计时还有值的话就清除掉
that.timeoutnum = setTimeout(function() {
//然后新连接
that.initWebSocket();
that.lockReconnect = false;
}, 5000);
}, reset() {
//重置心跳
var that = this;
//清除时间（清除内外两个心跳计时）
clearTimeout(that.timeoutObj);
clearTimeout(that.serverTimeoutObj);
//重启心跳
that.start();
},start() {
//开启心跳
var self = this;
self.timeoutObj && clearTimeout(self.timeoutObj);
// 如果外层心跳倒计时存在的话，清除掉
self.serverTimeoutObj && clearTimeout(self.serverTimeoutObj);
// 如果内层心跳检测倒计时存在的话，清除掉
self.timeoutObj = setTimeout(function() {
// 重新赋值重新发送 进行心跳检测
//这里发送一个心跳，后端收到后，返回一个心跳消息，
if (self.websock.readyState == 1) {
//如果连接正常
// self.websock.send("heartCheck");
} else {
//否则重连
self.reconnect();
}
self.serverTimeoutObj = setTimeout(function() {
// 在三秒一次的心跳检测中如果某个值3秒没响应就关掉这次连接
//超时关闭
self.websock.close();
}, self.timeout);
}, self.timeout);
// 3s一次
},连接状态判断：
websocketonopen(e) {
//连接建立之后执行send方法发送数据
console.log("成功");
let actions = { test: "12345" };
// this.websocketsend(JSON.stringify(actions));
},
websocketonerror() {
//连接建立失败重连
console.log("失败");
this.initWebSocket();
},
websocketonmessage(e) {
//数据接收
const redata = JSON.parse(e.data);
console.log(redata);
this.aa = [...this.aa, redata.type];
this.reset();
},
websocketsend(Data) {
//数据发送
this.websock.send(Data);
},
websocketclose(e) {
//关闭
console.log("断开连接", e);
}完整代码：
initWebSocket() {
//初始化weosocket
const wsuri = "ws://" + "xxxxx" + ":端口号";
this.websock = new WebSocket(wsuri);
this.websock.onopen = this.websocketonopen;
this.websock.onmessage = this.websocketonmessage;
this.websock.onerror = this.websocketonerror;
this.websock.onclose = this.websocketclose;
},
reconnect() {
//重新连接
var that = this;
if (that.lockReconnect) {
// 是否真正建立连接
return;
}
that.lockReconnect = true;
//没连接上会一直重连，设置延迟避免请求过多
that.timeoutnum && clearTimeout(that.timeoutnum);
// 如果到了这里断开重连的倒计时还有值的话就清除掉
that.timeoutnum = setTimeout(function() {
//然后新连接
that.initWebSocket();
that.lockReconnect = false;
}, 5000);
},
reset() {
//重置心跳
var that = this;
//清除时间（清除内外两个心跳计时）
clearTimeout(that.timeoutObj);
clearTimeout(that.serverTimeoutObj);
//重启心跳
that.start();
},
start() {
//开启心跳
var self = this;
self.timeoutObj && clearTimeout(self.timeoutObj);
// 如果外层心跳倒计时存在的话，清除掉
self.serverTimeoutObj && clearTimeout(self.serverTimeoutObj);
// 如果内层心跳检测倒计时存在的话，清除掉
self.timeoutObj = setTimeout(function() {
// 重新赋值重新发送 进行心跳检测
//这里发送一个心跳，后端收到后，返回一个心跳消息，
if (self.websock.readyState == 1) {
//如果连接正常
// self.websock.send("heartCheck");
} else {
//否则重连
self.reconnect();
}
self.serverTimeoutObj = setTimeout(function() {
// 在三秒一次的心跳检测中如果某个值3秒没响应就关掉这次连接
//超时关闭
self.websock.close();
}, self.timeout);
}, self.timeout);
// 3s一次
},
websocketonopen(e) {
//连接建立之后执行send方法发送数据
console.log("成功");
let actions = { test: "12345" };
// this.websocketsend(JSON.stringify(actions));
},
websocketonerror() {
//连接建立失败重连
console.log("失败");
this.initWebSocket();
},
websocketonmessage(e) {
//数据接收
const redata = JSON.parse(e.data);
console.log(redata);
this.aa = [...this.aa, redata.type];
this.reset();
},
websocketsend(Data) {
//数据发送
this.websock.send(Data);
},
websocketclose(e) {
//关闭
console.log("断开连接", e);
}