1、增加websocket保活

sec-beidou/src/main/resources/templates/page/cmd_line.html

@@ -116,12 +116,7 @@
 
 <!-- Web socket operations-->
 <script type="text/javascript">
-	var websocket;
-	var intervalId;
-	var rxWin;
-
 	layui.$(function(){
-		rxWin = layui.$('#rx_win');
 		if(typeof(WebSocket) == "undefined"){
 			console.log("WebSocket not support for this WebBrowser!")
 		}
@@ -134,8 +129,10 @@
 	function connectWebSocket() {
 		//获取当前网址，如： http://localhost:8080/ems/Pages/Basic/Person.jsp
 		var curPath = window.document.location.href;
+		console.log(curPath);
 		//获取主机地址之后的目录，如： /ems/Pages/Basic/Person.jsp
 		var pathName = window.document.location.pathname;
+		console.log(pathName);
 		var pos = curPath.indexOf(pathName);
 		//获取主机地址，如： http://localhost:8080
 		var basePath = curPath.substring(0, pos);
@@ -143,34 +140,24 @@
 		//建立webSocket连接
 		var webSocktPath;
 		webSocktPath = (basePath+"/websocket").replace("http","ws");
-		websocket = new WebSocket(webSocktPath);
+		var websocket = new WebSocket(webSocktPath);
 
 		//打开webSokcet连接时，回调该函数
 		websocket.onopen = function () {
 			console.log("Socket open");
-			intervalId = setInterval(function() {
-				websocket.send("hello");
-			}, 60000);// keep alive
 		}
 		websocket.onerror = function (){
 			console.log("Socket error");
 			layui.layer.alert("Open web socket failed!");
 		}
-		websocket.onclose = function (){
-			rxWin.val("websocket closed!\r\n");
-			// 如果需要停止重复执行的定时任务
-			clearInterval(intervalId);
-		}
 		//接收信息
 		websocket.onmessage = function (event) {
-			console.log("event.data");
+			var rxWin = layui.$('#rx_win');
 			rxWin.val(rxWin.val()+event.data + "\r\n");
-			rxWin.scrollTop = rxWin.scrollHeight;
+			var obj = document.getElementById("rx_win");
+			obj.scrollTop = obj.scrollHeight;
 		}
-
 	}
-
-
 </script>
 
 </body>