asp.net – 返回新的RedirectResult()vs返回Redirect()
发布时间:2020-12-15 23:39:51 所属栏目:asp.Net 来源:网络整理
导读:以下两个控件之间的区别ActionResult返回语句: return new RedirectResult("http://www.google.com",false); 和 return Redirect("http://www.google.com"); 解决方法 直接从 source // Copyright (c) Microsoft Open Technologies,Inc. All rights reserve
以下两个控件之间的区别ActionResult返回语句:
return new RedirectResult("http://www.google.com",false); 和 return Redirect("http://www.google.com"); 解决方法
直接从
source
// Copyright (c) Microsoft Open Technologies,Inc. All rights reserved. See License.txt in the project root for license information. using System.Diagnostics.CodeAnalysis; using System.Web.Mvc.Properties; namespace System.Web.Mvc { // represents a result that performs a redirection given some URI public class RedirectResult : ActionResult { [SuppressMessage("Microsoft.Design","CA1054:UriParametersShouldNotBeStrings",MessageId = "0#",Justification = "Response.Redirect() takes its URI as a string parameter.")] public RedirectResult(string url) : this(url,permanent: false) { } [SuppressMessage("Microsoft.Design",Justification = "Response.Redirect() takes its URI as a string parameter.")] public RedirectResult(string url,bool permanent) { if (String.IsNullOrEmpty(url)) { throw new ArgumentException(MvcResources.Common_NullOrEmpty,"url"); } Permanent = permanent; Url = url; } public bool Permanent { get; private set; } [SuppressMessage("Microsoft.Design","CA1056:UriPropertiesShouldNotBeStrings",Justification = "Response.Redirect() takes its URI as a string parameter.")] public string Url { get; private set; } public override void ExecuteResult(ControllerContext context) { if (context == null) { throw new ArgumentNullException("context"); } if (context.IsChildAction) { throw new InvalidOperationException(MvcResources.RedirectAction_CannotRedirectInChildAction); } string destinationUrl = UrlHelper.GenerateContentUrl(Url,context.HttpContext); context.Controller.TempData.Keep(); if (Permanent) { context.HttpContext.Response.RedirectPermanent(destinationUrl,endResponse: false); } else { context.HttpContext.Response.Redirect(destinationUrl,endResponse: false); } } } } 第二个参数决定是否为response is a 302 (temporary) or 301 permanent redirection.默认情况下,该值为false. 第二种方法是在Controller上,简单的方便.这种方法已经在一些版本的MVC(至少至少2),但IIRC,添加永久部分到RedirectResult我认为已经进入了MVC 4(我不记得看到它在MVC 3). // Copyright (c) Microsoft Open Technologies,Inc. All rights reserved. See License.txt in the project root for license information. using System.Diagnostics.CodeAnalysis; using System.Globalization; using System.IO; using System.Security.Principal; using System.Text; using System.Web.Mvc.Async; using System.Web.Mvc.Properties; using System.Web.Profile; using System.Web.Routing; namespace System.Web.Mvc { [SuppressMessage("Microsoft.Maintainability","CA1506:AvoidExcessiveClassCoupling",Justification = "Class complexity dictated by public surface area")] public abstract class Controller : ControllerBase,IActionFilter,IAuthorizationFilter,IDisposable,IExceptionFilter,IResultFilter,IAsyncController,IAsyncManagerContainer { // omitted for brevity [SuppressMessage("Microsoft.Design",Justification = "Response.Redirect() takes its URI as a string parameter.")] protected internal virtual RedirectResult Redirect(string url) { if (String.IsNullOrEmpty(url)) { throw new ArgumentException(MvcResources.Common_NullOrEmpty,"url"); } return new RedirectResult(url); } } } (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |
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