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EduSpider.WebApi/Startup.cs

@@ -34,11 +34,7 @@ namespace EduSpider.WebApi
             //ActoFac注入
             services.Replace(ServiceDescriptor.Transient<IControllerActivator, ServiceBasedControllerActivator>());
 
-            List<string> corsArray = new()
-            {
-                "http://localhost:7100",
-                "http://localhost:7200",
-            };
+            List<string> corsArray = GetCorsArray();
             services.AddCors(options => options.AddPolicy("AllowCors", policy => policy.AllowAnyHeader().AllowAnyMethod().AllowCredentials().WithOrigins(corsArray.ToArray())));
             services.AddControllers();
             services.AddMvc(options =>
@@ -56,8 +52,27 @@ namespace EduSpider.WebApi
 
         }
 
+        /// <summary>
+        /// 获取跨域配置
+        /// </summary>
+        /// <returns></returns>
+        public List<string> GetCorsArray()
+        {
+            List<string> corsArray = new()
+            {
+                "http://localhost:7100",
+                "http://localhost:7200",
+            };
+            var ArrayStr = ConfigHelper.GetAppsettings("corsArray");
+            if (!string.IsNullOrWhiteSpace(ArrayStr))
+            {
+                corsArray.AddRange(JsonHelper.Deserialize<List<string>>(ArrayStr));
+            }
+            return corsArray;
+        }
+
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
-        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
+        public void Configure(IApplicationBuilder app, IWebHostEnvironment env, IHostApplicationLifetime appLifetime)
         {
             if (env.IsDevelopment())
             {
@@ -75,6 +90,16 @@ namespace EduSpider.WebApi
             {
                 endpoints.MapControllers();
             });
+
+            appLifetime.ApplicationStarted.Register(() =>
+            {
+                Timers.TimerJobj.RunTimer(); //网站启动完成执行
+            });
+
+            appLifetime.ApplicationStopped.Register(() =>
+            {
+                Timers.TimerJobj.RunStop();  //网站停止完成执行
+            });
         }
     }
 }

EduSpider.WebApi/Timers/TimerJobj.cs

+using System;
+using System.IO;
+using System.Threading;
+using VTX.FW.Helper;
+
+namespace EduSpider.WebApi.Timers
+{
+    /// <summary>
+    /// 定时任务
+    /// </summary>
+    public class TimerJobj
+    {
+
+        static System.Timers.Timer timer1;//计时器
+
+        public static void RunTimer()
+        {
+            timer1 = new System.Timers.Timer
+            {
+                Interval = (1000 * 60) * (60 * 3) //3小时执行一次
+            };
+            timer1.Elapsed += new System.Timers.ElapsedEventHandler(ClearFile);
+            timer1.Enabled = true;
+        }
+
+        public static void RunStop()
+        {
+            timer1.Enabled = false;
+        }
+
+        /// <summary>
+        /// 防止重复提交
+        /// </summary>
+        private static int inTimer = 0;
+        
+        /// <summary>
+        /// 清理文件
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        public static void ClearFile(object sender, System.Timers.ElapsedEventArgs e)
+        {
+            if (Interlocked.Exchange(ref inTimer, 1) == 0)
+            {
+                string rootBook = AppDomain.CurrentDomain.BaseDirectory;
+                try
+                {
+                    DirectoryInfo dir = new(rootBook + "/upfile/temporary");
+                    if (dir != null && dir.Exists)
+                    {
+                        DirectoryInfo[] dirArr = dir.GetDirectories();
+                        foreach (DirectoryInfo item in dirArr)
+                        {
+                            if (item.CreationTime < DateTime.Now.AddDays(-1))
+                                item.Delete(true);
+                        }
+                        foreach (FileInfo fi in dir.GetFiles())
+                        {
+                            if (fi.CreationTime < DateTime.Now.AddDays(-1))
+                                fi.Delete();
+                        }
+                    }
+                }
+                catch
+                {
+                    LogHelper.WriteInfo("ClearFile", "清理临时文件失败_ClearFile");
+                }
+                Interlocked.Exchange(ref inTimer, 0);
+            }
+        }
+
+    }
+}
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