【修改】 启动本地判分程序前，先检测是否已经启动，启动则不启动

Applications/Program.cs

@@ -1,17 +1,18 @@
-using Applications;
+using System;
-using Microsoft.Win32;
 using System.Collections.Concurrent;
-using System.Diagnostics;
-using System.Net;
-using System.Security.Cryptography;
-using System.Text.Json;
-using System.Xml.Linq;
-using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.IO;
-using MySql.Data.MySqlClient;
+using System.Net;
+using System.Net.NetworkInformation;
+using System.Security.Cryptography;
 using System.Security.Principal;
 using System.ServiceProcess;
+using System.Text.Json;
+using System.Xml.Linq;
+using Applications;
+using Microsoft.Win32;
+using MySql.Data.MySqlClient;
 
 class Program
 {
@@ -70,7 +71,12 @@ class Program
                     WorkingDirectory = workingDirectory, // 必须！
                     UseShellExecute = true // 或 false，根据需要
                 };
-                Process.Start(startInfo);
+                // 检测一下端口是否被占用48080
+                if (!IsPortInUse(48082))
+                {
+                    Process.Start(startInfo);
+                }
+                
             }
         }
         else if (action == "/start")
@@ -510,6 +516,21 @@ class Program
             list.Add(sql.Substring(start));
         return list;
     }
+    public static bool IsPortInUse(int port)
+    {
+        IPGlobalProperties ipGlobalProperties = IPGlobalProperties.GetIPGlobalProperties();
+        TcpConnectionInformation[] tcpConnInfoArray = ipGlobalProperties.GetActiveTcpConnections();
+
+        foreach (TcpConnectionInformation tcpi in tcpConnInfoArray)
+        {
+            if (tcpi.LocalEndPoint.Port == port)
+            {
+                return true; // 端口被占用
+            }
+        }
+
+        return false; // 端口可用
+    }
 
     // 获取当前登录用户 SID
     static string GetCurrentUserSid()