用最简单的Session方式记录用户登录状态
1.添加DefaultController控制器,重写OnActionExecuting方法,每次访问控制器前触发
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public class DefaultController : Controller
{
protected override void OnActionExecuting(ActionExecutingContext filterContext)
{
base .OnActionExecuting(filterContext);
var controllerName = filterContext.ActionDescriptor.ControllerDescriptor.ControllerName;
var userName = Session[ "UserName" ] as String;
if (String.IsNullOrEmpty(userName))
{
//重定向至登录页面
filterContext.Result = RedirectToAction( "Index" , "Login" , new { url = Request.RawUrl});
return ;
}
}
}
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2.登录控制器
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public class LoginController : Controller
{
// GET: Login
public ActionResult Index( string ReturnUrl)
{
if (Session[ "UserName" ] != null )
{
return RedirectToAction( "Index" , "Home" );
}
ViewBag.Url = ReturnUrl;
return View();
}
[HttpPost]
public ActionResult Index( string name, string password, string returnUrl)
{
/*
添加验证用户名密码代码
*/
Session[ "UserName" ] = name;
if (Url.IsLocalUrl(returnUrl) && returnUrl.Length > 1 && returnUrl.StartsWith( "/" ) && !returnUrl.StartsWith( "//" ) && !returnUrl.StartsWith( "/\\" ))
{
return Redirect(returnUrl);
}
else
{
return RedirectToAction( "Index" , "Home" );
}
}
// POST: /Account/LogOff
[HttpPost]
public ActionResult LogOff()
{
Session[ "UserName" ] = null ;
return RedirectToAction( "Index" , "Home" );
}
}
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3.需要验证的控制器继承DefaultController
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public class HomeController : DefaultController
{
public ActionResult Index()
{
return View();
}
}
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这种方式适合比较小的项目
优点:简单,易开发
缺点:无法记录登录状态,而且Session方式容易丢失
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:http://www.cnblogs.com/pengdylan/p/6421440.html