ws请求定时
heartChechInit() {
const _this = this;
// 设置统筹管理
let heartCheck = {
timer: 0, // 定时器名称
_obj: null, // ws
_callback: null, // 执行函数
_time: 30000, // 心跳间隔
// 启动函数
init: function (wsObj, callback) {
// console.log("init");
this._obj = wsObj;
callback && (this._callback = callback);
this.sayHi();
},
sayHi: function () {
// 执行心跳
clearTimeout(this.timer);
this.timer = setTimeout(() => {
if (1 == this._obj.readyState) {
this._obj.send(1); // 发送讯息
}
}, this._time);
},
clear: function (flag) {
// 关闭
// console.log("clear:" + this.timer);
clearTimeout(this.timer);
},
onError: function () {
// 出错
// console.log("onError:", this.timer);
this.clear();
this._callback && this._callback();
},
};
// 通讯地址
let uri = `ws://${sessionStorage.getItem("heartCheckUrl")}/flow/notice/${
_this.currentUserID
}`;
let ws = new WebSocket(uri);
// 开始连接
ws.onopen = (event) => {
// console.log("ws onopen", event);
MsgBegin && MsgBegin();
heartCheck.init(ws, () => {
console.log("reconnect...");
ws = new WebSocket(uri);
});
};
// 接收消息
ws.onmessage = (event) => {
// console.log("接收消息", event, ws);
let reg = /[0-9]/;
if (reg.test(event.data)) {
_this.value = +event.data;
} else {
_this.value = 0;
}
heartCheck.sayHi();
};
// 连接关闭
ws.onclose = (event) => {
// console.log("ws close", event, ws);
heartCheck.clear();
};
// 连接出错
ws.onerror = (event) => {
_this.value = 0;
// console.log("ws error", event, ws);
heartCheck.onError();
};
// 初始请求接收
let MsgBegin = () => {
ws.send(1);
};
},
