添加异常处理代码。

StarryNightCH · Jul 31, 2019 · ff9ecc9 · ff9ecc9
1 parent eb3c5d6
commit ff9ecc9
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Showing 5 changed files with 78 additions and 8 deletions.
diff --git a/StudentManagement/StudentManagement/Controllers/ErrorController.cs b/StudentManagement/StudentManagement/Controllers/ErrorController.cs
@@ -1,4 +1,5 @@
-using Microsoft.AspNetCore.Diagnostics;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Diagnostics;
 using Microsoft.AspNetCore.Mvc;
 using System;
 using System.Collections.Generic;
@@ -37,5 +38,23 @@ public IActionResult HttpStatusCodeHandler(int statusCode)
 
         }
 
+
+        [AllowAnonymous]
+        [Route("Error")]
+        public IActionResult Error()
+        {
+
+         var exceptionHandlerPathFeature=   HttpContext.Features.Get<IExceptionHandlerPathFeature>();
+
+            ViewBag.ExceptionPath = exceptionHandlerPathFeature.Path;
+            ViewBag.ExceptionMessage = exceptionHandlerPathFeature.Error.Message;
+            ViewBag.StackTrace = exceptionHandlerPathFeature.Error.StackTrace;
+
+
+            return View("Error");
+
+        }
+
+
     }
 }
diff --git a/StudentManagement/StudentManagement/Controllers/HomeController.cs b/StudentManagement/StudentManagement/Controllers/HomeController.cs
@@ -37,14 +37,16 @@ public IActionResult Index()
 
 
 
-        public IActionResult Details(int id)        {
+        public IActionResult Details(int id) {
+
+            throw new Exception("此异常发生在Details视图中");
+
 
             Student student = _studentRepository.GetStudent(id);
 
             if (student==null)
             {
                 Response.StatusCode = 404;
-
                 return View("StudentNotFound",id);
 
             }

diff --git a/StudentManagement/StudentManagement/Properties/launchSettings.json b/StudentManagement/StudentManagement/Properties/launchSettings.json
@@ -12,8 +12,8 @@
       "commandName": "IISExpress",
       "launchBrowser": true,
       "environmentVariables": {
-        //"ASPNETCORE_ENVIRONMENT": "Development",
-         "ASPNETCORE_ENVIRONMENT": "Staging",
+       // "ASPNETCORE_ENVIRONMENT": "Development",
+         "ASPNETCORE_ENVIRONMENT": "Production",
         "MyKey": "appsetting.launchSetting.json MyKey "
       },
 

diff --git a/StudentManagement/StudentManagement/Startup.cs b/StudentManagement/StudentManagement/Startup.cs
@@ -43,15 +43,16 @@ public void ConfigureServices(IServiceCollection services) {
         // This method gets called by the runtim0e. Use this method to configure the HTTP request pipeline.
         public void Configure(IApplicationBuilder app, IHostingEnvironment env)
         {
-            //如果环境是Development，调用 Developer Exception Page 
+            //如果环境是 Development，调用 Developer Exception Page 
             if (env.IsDevelopment())
             {
                 app.UseDeveloperExceptionPage();
             }
             else
             {
-                 app.UseStatusCodePagesWithReExecute("/Error/{0}");
-             //    app.UseStatusCodePagesWithRedirects("/Error/{0}");
+             app.UseExceptionHandler("/Error");//拦截我们的异常
+             app.UseStatusCodePagesWithReExecute("/Error/{0}"); //拦截404找不到的页面信息
+
             }
 
 

diff --git a/StudentManagement/StudentManagement/Views/Error/Error.cshtml b/StudentManagement/StudentManagement/Views/Error/Error.cshtml
@@ -0,0 +1,48 @@
+@*
+    For more information on enabling MVC for empty projects, visit https://go.microsoft.com/fwlink/?LinkID=397860
+*@
+@{
+
+    ViewBag.Title = "异常错误页面";
+
+}
+
+
+
+<h3>程序请求时，发生了一个内部错误，我们会反馈给开发团队，尽快解决这个问题。</h3>
+
+
+
+<h5>请听过 ltm@ddxc.org 与我们取得联系</h5>
+
+<hr />
+
+<h3>错误详情：</h3>
+
+
+<div class="alert  alert-danger">
+    <h5>异常路径:</h5>
+
+    <hr />
+    <p>@ViewBag.ExceptionPath</p>
+
+</div>
+
+
+
+<div class="alert  alert-danger">
+
+    <h5>异常内容:</h5>
+
+    <hr />
+    <p>@ViewBag.ExceptionMessage</p>
+</div>
+
+
+<div class="alert  alert-danger">
+    <h5>异常堆栈跟踪:</h5>
+
+    <hr />
+    <p>@ViewBag.StackTrace</p>
+
+</div>