1、增加websocket保活

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

@@ -152,7 +152,7 @@
 			console.log("Socket open");
 			intervalId = setInterval(function() {
 				websocket.send("hello");
-			}, 60000); // keepalive
+			}, 50000); // keepalive
 
 		}
 		websocket.onerror = function (){
@@ -160,13 +160,13 @@
 			layui.layer.alert("Open web socket failed!");
 		}
 		websocket.onclose = function (){
-			rxWin.append("websocket closed!")
+			rxWin.append("websocket closed!");
 			clearInterval(intervalId);
 		}
 		//接收信息
 		websocket.onmessage = function (event) {
 			console.log(event.data);
-			rxWin.val(rxWin.val()+event.data + "\r\n");
+			rxWin.append(event.data + "\r\n");
 			rxWin.scrollTop = rxWin.scrollHeight;
 		}
 	}