fix: 收敛旧控件资源与后台线程生命周期

插件库/Lskj.Main/Model/Manager.cs

@@ -63,6 +63,9 @@ namespace Lskj.Main.Model
         private static CancellationTokenSource _sessionMonitorCancellation;
         private static readonly List<Thread> SessionMonitorThreads =
             new List<Thread>();
+        private static readonly object OpeningModuleSync = new object();
+        private static readonly HashSet<string> OpeningModuleKeys =
+            new HashSet<string>(StringComparer.OrdinalIgnoreCase);
         /// <summary>
         /// 默认下载地址
         /// </summary>
@@ -285,6 +288,8 @@ namespace Lskj.Main.Model
         /// Params">The URL parameters.</param>
         public static void OpenModule(string menuId, string menuName, string dllName, string modelFlag, string urlParams)
         {
+            string openingModuleKey = null;
+            bool ownsOpeningGate = false;
             try
             {
                 // 验证参数
@@ -293,6 +298,14 @@ namespace Lskj.Main.Model
                     MessageUtil.Show(ResourceKeys.NotFoundMenu);
                     return;
                 }
+                openingModuleKey = BuildOpeningModuleKey(menuId, dllName, modelFlag);
+                ownsOpeningGate = TryBeginOpenModule(openingModuleKey);
+                if (!ownsOpeningGate)
+                {
+                    // 列数据源初始化期间可能会处理 WinForms 消息。
+                    // 快速重复点击必须在页签注册前就被拦截，否则会构建多份重型控件树。
+                    return;
+                }
                 // 验证权限
                 int purview = MainImpl.GetUserPurviewsByMenuId(menuId);
                 if (purview == 0)
@@ -416,8 +429,52 @@ namespace Lskj.Main.Model
                 string Message = ErrorMessage.PromptErrorMessage(ex);
                 MessageUtil.Show(Message, ex.Message);
             }
+            finally
+            {
+                if (ownsOpeningGate)
+                {
+                    EndOpenModule(openingModuleKey);
+                }
+            }
 
         }
+
+        private static string BuildOpeningModuleKey(
+            string menuId,
+            string dllName,
+            string modelFlag)
+        {
+            return string.Join(
+                "|",
+                new[]
+                {
+                    (menuId ?? string.Empty).Trim(),
+                    (dllName ?? string.Empty).Trim(),
+                    (modelFlag ?? string.Empty).Trim()
+                });
+        }
+
+        private static bool TryBeginOpenModule(string openingModuleKey)
+        {
+            lock (OpeningModuleSync)
+            {
+                if (OpeningModuleKeys.Contains(openingModuleKey))
+                {
+                    return false;
+                }
+
+                OpeningModuleKeys.Add(openingModuleKey);
+                return true;
+            }
+        }
+
+        private static void EndOpenModule(string openingModuleKey)
+        {
+            lock (OpeningModuleSync)
+            {
+                OpeningModuleKeys.Remove(openingModuleKey);
+            }
+        }
         /// <summary>
         /// <para>说明：添加模块到tab中</para>
         /// <para>创建人：龚宇超</para>
@@ -432,6 +489,10 @@ namespace Lskj.Main.Model
         /// <param name="args">The arguments.</param>
         public static void AddModuleToTab(DllModule module, string[] args)
         {
+            string guid = null;
+            XtraTabPage tp = null;
+            Form form = null;
+            bool trackDogVerifiedModule = false;
             try
             {
                 bool isQuickLoad = (args[5] + "").Equals(SystemInfo.Instance.QuickMenuId);
@@ -441,8 +502,6 @@ namespace Lskj.Main.Model
                 //    //QuickMenuForm.BringToFront();
                 //    return;
                 //}
-                string guid = Guid.NewGuid().ToString();
-                XtraTabPage tp = new XtraTabPage();
                 if (SystemInfo.Instance.IsDogVerify)
                 {
                     if (!CheckPrivateTable())
@@ -497,7 +556,7 @@ namespace Lskj.Main.Model
                                     }
                                     else
                                     {
-                                        StaticControl.DogVerifyModuleForms.Add(tp);
+                                        trackDogVerifiedModule = true;
                                     }
                                 }
                                 else
@@ -532,12 +591,19 @@ namespace Lskj.Main.Model
                     return;
                 }
 
+                guid = Guid.NewGuid().ToString();
+                tp = new XtraTabPage();
+                if (trackDogVerifiedModule)
+                {
+                    StaticControl.DogVerifyModuleForms.Add(tp);
+                }
+
                 ERPInfo.Instance.selectFormModleId = module.Id;
                 IForm iform = FormHelper.LoadDllForm(module.DllName, args);
                 // 菜单打开的模块默认最大化,界面FormState设置为Normal模式,否则会出现界面不是全屏，会显示默认阴影界面
                 //iform.SubForm.WindowState = _frmMain.WindowState;
                 iform.SubForm.WindowState = FormWindowState.Normal; ;
-                Form form = iform.SubForm; //     表示组成应用程序的用户界面的窗口或对话框。
+                form = iform.SubForm; //     表示组成应用程序的用户界面的窗口或对话框。
                 form.Tag = guid;
                 // 这个必须有不然会提示:"不能向tabControl中添加顶级控件" 
                 form.TopLevel = isQuickLoad;
@@ -599,6 +665,7 @@ namespace Lskj.Main.Model
             }
             catch (Exception ex)
             {
+                CleanupFailedModuleOpen(guid, tp, form);
                 string Message = ErrorMessage.PromptErrorMessage(ex);
                 MessageUtil.Show(ex.InnerException != null ? ex.InnerException.Message : ex.Message);
                 LogHelper.Instance.WriteError(ex);
@@ -606,6 +673,44 @@ namespace Lskj.Main.Model
             }
         }
 
+        private static void CleanupFailedModuleOpen(
+            string guid,
+            XtraTabPage tabPage,
+            Form form)
+        {
+            try
+            {
+                if (!string.IsNullOrWhiteSpace(guid))
+                {
+                    ModuleForms.Remove(guid);
+                }
+
+                if (tabPage != null)
+                {
+                    StaticControl.DogVerifyModuleForms.Remove(tabPage);
+                    if (TabMain != null && TabMain.TabPages.Contains(tabPage))
+                    {
+                        TabMain.TabPages.Remove(tabPage);
+                    }
+                }
+
+                if (form != null && !form.IsDisposed)
+                {
+                    form.Close();
+                    form.Dispose();
+                }
+
+                if (tabPage != null && !tabPage.IsDisposed)
+                {
+                    tabPage.Dispose();
+                }
+            }
+            catch (Exception cleanupException)
+            {
+                LogHelper.Instance.WriteError(cleanupException);
+            }
+        }
+
         /// <summary>
         /// 快速菜单关闭时，清除记录
         /// </summary>