默认情况下，MVC3 应用程序会给出很多关于 404、无效动词、找不到路由等的信息。它有这个极其冗长的错误页面。
我们怎样才能改变这种行为，这样客户端仍然会收到 404 和其他任何内容，但不会返回此类内容？ (ESPECIALLY 底部的东西，显示我们的私有(private)框架信息、类名等)
<html>
<head>
<title>The resource cannot be found.</title>
<style>
body {font-family:"Verdana";font-weight:normal;font-size: .7em;color:black;}
p {font-family:"Verdana";font-weight:normal;color:black;margin-top: -5px}
b {font-family:"Verdana";font-weight:bold;color:black;margin-top: -5px}
H1 { font-family:"Verdana";font-weight:normal;font-size:18pt;color:red }
H2 { font-family:"Verdana";font-weight:normal;font-size:14pt;color:maroon }
pre {font-family:"Lucida Console";font-size: .9em}
.marker {font-weight: bold; color: black;text-decoration: none;}
.version {color: gray;}
.error {margin-bottom: 10px;}
.expandable { text-decoration:underline; font-weight:bold; color:navy; cursor:hand; }
</style>
</head>
<body bgcolor="white">
<span><H1>Server Error in '/' Application.<hr width=100% size=1 color=silver></H1>
<h2> <i>The resource cannot be found.</i> </h2></span>
<font face="Arial, Helvetica, Geneva, SunSans-Regular, sans-serif ">
<b> Description: </b>HTTP 404. The resource you are looking for (or one of its dependencies) could have been removed, had its name changed, or is temporarily unavailable. Please review the following URL and make sure that it is spelled correctly.
<br><br>
<b> Requested URL: </b>/Foo<br><br>
<hr width=100% size=1 color=silver>
<b>Version Information:</b> Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.225
</font>
</body>
</html>
<!--
[HttpException]: A public action method 'Index' was not found on controller 'MySystem.Api.Rest.Controllers.MyController'.
at System.Web.Mvc.Controller.HandleUnknownAction(String actionName)
at System.Web.Mvc.Controller.ExecuteCore()
at System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext)
at System.Web.Mvc.ControllerBase.System.Web.Mvc.IController.Execute(RequestContext requestContext)
at System.Web.Mvc.MvcHandler.<>c__DisplayClass6.<>c__DisplayClassb.<BeginProcessRequest>b__5()
at System.Web.Mvc.Async.AsyncResultWrapper.<>c__DisplayClass1.<MakeVoidDelegate>b__0()
at System.Web.Mvc.Async.AsyncResultWrapper.<>c__DisplayClass8`1.<BeginSynchronous>b__7(IAsyncResult _)
at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult`1.End()
at System.Web.Mvc.MvcHandler.<>c__DisplayClasse.<EndProcessRequest>b__d()
at System.Web.Mvc.SecurityUtil.<GetCallInAppTrustThunk>b__0(Action f)
at System.Web.Mvc.SecurityUtil.ProcessInApplicationTrust(Action action)
at System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult)
at System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result)
at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
-->
最佳答案
请参阅此处的第 9 步以打开零售模式。
默认 MVC 模板已打开自定义错误。
启用此功能的一种方法是启用零售模式。这将为您计算机上的每个站点启用自定义错误。
https://kevww.wordpress.com/tag/mvc/
基本上只需进入您的 machine.config 并将其设置在那里。 (例如 c:\Windows\Microsoft.NET\Framework\v4.0.30319\Config\machine.config)
<system.web> <deployment retail="true" /></system.web>
同时安装 ELMAH 以自动捕获您的错误(记录它们)。
关于asp.net-mvc-3 - 如何让 MVC3 给出更少的错误信息，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/9426096/