From 874c6312298e3af772298cbd2cb92aede66b266d Mon Sep 17 00:00:00 2001
From: java110 <928255095@qq.com>
Date: Tue, 12 Oct 2021 12:02:24 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96=E4=BB=A3=E7=A0=81?=
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---
 public/components/frame/nav/nav.js | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/public/components/frame/nav/nav.js b/public/components/frame/nav/nav.js
index 548b6f532..544b3a014 100755
--- a/public/components/frame/nav/nav.js
+++ b/public/components/frame/nav/nav.js
@@ -213,17 +213,24 @@
         let heartCheck = {
             timeout: 30000,        // 9分钟发一次心跳，比server端设置的连接时间稍微小一点，在接近断开的情况下以通信的方式去重置连接时间。
             serverTimeoutObj: null,
+            pingTime: new Date().getTime(),
             reset: function () {
-                clearTimeout(this.timeoutObj);
                 clearTimeout(this.serverTimeoutObj);
                 return this;
             },
             start: function () {
-                var self = this;
+                let self = this;
                 this.serverTimeoutObj = setInterval(function () {
                     if (websocket.readyState == 1) {
                         console.log("连接状态，发送消息保持连接");
-                        websocket.send("{'cmd':'ping','clientId':'"+clientId+"'}");
+                        let _pingTime = new Date().getTime();
+                        //保护，以防 异常
+                        if (_pingTime - self.pingTime < 15 * 1000) {
+                            return;
+                        }
+                        websocket.send("{'cmd':'ping','clientId':'" + clientId + "'}");
+                        self.pingTime = _pingTime;
+
                         heartCheck.reset().start();    // 如果获取到消息，说明连接是正常的，重置心跳检测
                     } else {
                         console.log("断开状态，尝试重连");
@@ -277,7 +284,7 @@
 
         //接收到消息的回调方法
         websocket.onmessage = function (event) {
-            heartCheck.reset().start(); 
+            heartCheck.reset().start();
             console.log("event", event);
             let _data = event.data;
             try {
@@ -285,7 +292,7 @@
             } catch (err) {
                 return;
             }
-            
+
             if (_data.code == 200) {
                 toastr.info(_data.msg);
             } else {