try to fix bug 0019909: 【项目管理系统】有时，点击浏览器刷新按钮或者系统功能菜单，系统报错

ProjectManagement/Vinno.IDS.ProjectManagement/Shared/Login.razor.cs

@@ -41,15 +41,6 @@ namespace Vinno.IDS.ProjectManagement.Shared
 
         protected override async Task OnInitializedAsync()
         {
-            //var existToken = await LocalService.GetItem<string>(ProjectStorageEnum.ProjectToken);
-            //if (existToken != null)
-            //{
-            //    await LocalService.RemoveItem<string>(ProjectStorageEnum.ProjectToken);
-            //    await LocalService.RemoveItem<UserInfoVO>(ProjectStorageEnum.ProjectUser);
-            //    await LocalService.RemoveItem<List<string>>(ProjectStorageEnum.ProjectMenuBtnAuth);
-            //    NavigationManager.NavigateTo("/login");
-            //}
-
             string? currLan;
             if (CultureInfo.CurrentCulture.Name.StartsWith("zh"))
             {

ProjectManagement/Vinno.IDS.ProjectManagement/Shared/MainLayout.razor.cs

@@ -5,7 +5,7 @@ using Vinno.IDS.ProjectManagement.Protocol.Emums.SystemConfigEnums;
 
 namespace Vinno.IDS.ProjectManagement.Shared
 {
-    public partial class MainLayout
+    public partial class MainLayout: IDisposable
     {
         private string _token;
         private string _language;
@@ -16,15 +16,12 @@ namespace Vinno.IDS.ProjectManagement.Shared
         private UserInfoVO _userInfo;
         private Dictionary<string, string> LanguageDictionary { get; set; } = new Dictionary<string, string>();
         private string _modifyPw = "";
-        //private string _systemTitle = "";
-        //private string _welcomeLogin = "";
-        //private string _currentLoginAccount = "";
 
         private bool _initialized;
 
         private ModifyPassword _modifyPassword;
 
-        private System.Threading.Timer timer;
+        private System.Threading.Timer _timer;
 
         protected override async Task OnInitializedAsync()
         {
@@ -33,10 +30,6 @@ namespace Vinno.IDS.ProjectManagement.Shared
 
             if (_token == null || _userInfo == null)
             {
-                //await ProjectMessageHelper.MessageWarningAsync("请重新登录");
-
-                //await LocalService.RemoveItem<string>(ProjectStorageEnum.ProjectToken);
-                //await LocalService.RemoveItem<UserInfoVO>(ProjectStorageEnum.ProjectUser);
                 NavigationManager.NavigateTo("/login");
             }
             else
@@ -55,13 +48,7 @@ namespace Vinno.IDS.ProjectManagement.Shared
 
             }
 
-            _initialized = true;
-
-            await Task.Run(() =>
-                {
-                    timer = new System.Threading.Timer(AuthToken, null, 0, 300000);
-                });
-
+            _initialized = true;                           
         }
 
         private async void AuthToken(object? state)
@@ -74,6 +61,8 @@ namespace Vinno.IDS.ProjectManagement.Shared
             var isTrue = await BPAccountManager.TokenHealthCheckAsync(tokenDTO);
             if (!isTrue.Data)
             {
+                _timer.Dispose();
+                _timer = null;
                 await LocalService.RemoveItem<string>(ProjectStorageEnum.ProjectToken);
                 await LocalService.RemoveItem<UserInfoVO>(ProjectStorageEnum.ProjectUser);
                 await LocalService.RemoveItem<List<string>>(ProjectStorageEnum.ProjectMenuBtnAuth);
@@ -82,12 +71,6 @@ namespace Vinno.IDS.ProjectManagement.Shared
             }
         }
 
-        public void Dispose()
-        {
-            // 释放计时器
-            timer?.Dispose();
-        }
-
         protected override async Task OnParametersSetAsync()
         {
             if (_initialized)
@@ -105,9 +88,6 @@ namespace Vinno.IDS.ProjectManagement.Shared
                     _nameUrl = "/images/man.png";
                     _languageLogout = LanguageDictionary.ContainsKey("Logout") ? LanguageDictionary["Logout"] : "Logout";
                     _modifyPw = LanguageDictionary.ContainsKey("ModifyPassWord") ? LanguageDictionary["ModifyPassWord"] : "ModifyPassWord";
-                    //_systemTitle = LanguageDictionary.ContainsKey("SystemTitle") ? LanguageDictionary["SystemTitle"] : "SystemTitle";
-                    //_welcomeLogin = LanguageDictionary.ContainsKey("WelcomeLogin") ? LanguageDictionary["WelcomeLogin"] : "WelcomeLogin";
-                    //_currentLoginAccount = LanguageDictionary.ContainsKey("CurrentLoginAccount") ? LanguageDictionary["CurrentLoginAccount"] : "CurrentLoginAccount";
 
                     if (_languageLogout == "注销")
                     {
@@ -127,6 +107,11 @@ namespace Vinno.IDS.ProjectManagement.Shared
                     {
                         _slideItems = new List<MenuItem>();
                     }
+
+                    if (_timer == null)
+                    {
+                        _timer = new System.Threading.Timer(AuthToken, null, 0, 10000);
+                    }
                 }
             }
         }
@@ -139,17 +124,25 @@ namespace Vinno.IDS.ProjectManagement.Shared
 
         private async Task Logout()
         {
-            // var  token = await LocalService.GetItem<string>(SpecStorageEnum.SpecToken);
-            //  var res = await LoginManager.LogoutAsync(token);
-            //  if (res.Data)
-            //  {
+            if (_timer != null)
+            {
+                _timer.Dispose();
+                _timer = null;
+            }
             await LocalService.RemoveItem<string>(ProjectStorageEnum.ProjectToken);
             await LocalService.RemoveItem<UserInfoVO>(ProjectStorageEnum.ProjectUser);
             await LocalService.RemoveItem<List<string>>(ProjectStorageEnum.ProjectMenuBtnAuth);
             StateHasChanged();
-            NavigationManager.NavigateTo("/login");
-            // }
+            NavigationManager.NavigateTo("/login"); 
+        }
 
+        public void Dispose()
+        {
+            if (_timer != null) 
+            {
+                _timer.Dispose();
+                _timer = null;
+            }        
         }
     }
 }