C# MVC 3使用自定义消息进行属性重定向
如何创建自定义的authorized属性,以字符串参数的形式指定消息,然后将其传递到登录页面 例如,理想情况下,这样做会很酷:C# MVC 3使用自定义消息进行属性重定向,c#,asp.net-mvc,asp.net-mvc-3,authorization,C#,Asp.net Mvc,Asp.net Mvc 3,Authorization,如何创建自定义的authorized属性,以字符串参数的形式指定消息,然后将其传递到登录页面 例如,理想情况下,这样做会很酷: [Authorize(Message = "Access to the blah blah function requires login. Please login or create an account")] public ActionResult SomeAction() { return View(); } 然后,在登录操作中,我可以执行以下操作:
[Authorize(Message = "Access to the blah blah function requires login. Please login or create an account")]
public ActionResult SomeAction()
{
return View();
}
然后,在登录操作中,我可以执行以下操作:
public ActionResult Login(string message = "")
{
ViewData.Message = message;
return View();
}
public class CustomAuthorizeAttribute : AuthorizeAttribute
{
public string Message { get; set; }
public override void OnAuthorization(AuthorizationContext filterContext)
{
var result = new ViewResult();
result.ViewName = "Login.cshtml"; //this can be a property you don't have to hard code it
result.MasterName = "_Layout.cshtml"; //this can also be a property
result.ViewBag.Message = this.Message;
filterContext.Result = result;
}
最后,在我看来,我可以做到这一点:
@if (!String.IsNullOrEmpty(ViewData.Message))
{
<div class="message">@ViewData.Message</div>
}
<form> blah blah </form>
@if(!String.IsNullOrEmpty(ViewData.Message))
{
@ViewData.Message
}
废话
基本上,我希望将自定义消息传递到登录页面,以便显示特定于用户在特定时间尝试访问的内容的消息。您可以尝试以下操作:
public ActionResult Login(string message = "")
{
ViewData.Message = message;
return View();
}
public class CustomAuthorizeAttribute : AuthorizeAttribute
{
public string Message { get; set; }
public override void OnAuthorization(AuthorizationContext filterContext)
{
var result = new ViewResult();
result.ViewName = "Login.cshtml"; //this can be a property you don't have to hard code it
result.MasterName = "_Layout.cshtml"; //this can also be a property
result.ViewBag.Message = this.Message;
filterContext.Result = result;
}
用法:
[CustomAuthorize(Message = "You are not authorized.")]
public ActionResult Index()
{
return View();
}
web.config
<authentication mode="Forms">
<forms name="SqlAuthCookie"
loginUrl="~/Account/LogOnYouHavenotRight"
timeout="2880" />
</authentication>
在两个视图中:
Html.BeginForm("LogOn", "Account" )
如果我想重定向到一个特定的视图/控制器/路由参数,该怎么办?@ClayKaboom看到这篇博文,你可能不想在ViewName属性中包含“.cshtml”。当我这样做时,它寻找Login.cshtml.cshtml。这只是整个答案的一部分,但如果你阅读其他答案,你可能会足够聪明,可以将它们相加为+1。。。。