C#实现登录、退出验证帮助类
用户实用类,自定义窗体身份验证时可以使用。
用户登录方法(Cookie实现)
用户退出方法
using System;
using System.Collections.Generic;
using System.Text;
using System.Web;
using System.Web.Security;
namespace JsonsHelper
{
/// <summary>
/// 用户实用类,自定义窗体身份验证时可以使用。
/// </summary>
public sealed class UserUtil
{
/// <summary>
/// 用户登录方法
/// </summary>
/// <param name="username">用户名</param>
/// <param name="roles">用户角色</param>
/// <param name="isPersistent">是否持久cookie</param>
public static void Login(string username, string roles, bool isPersistent)
{
DateTime dt = isPersistent ? DateTime.Now.AddMinutes(99999) : DateTime.Now.AddMinutes(60);
FormsAuthenticationTicket ticket = new FormsAuthenticationTicket(
1, // 票据版本号
username, // 票据持有者
DateTime.Now, //分配票据的时间
dt, // 失效时间
isPersistent, // 需要用户的 cookie
roles, // 用户数据,这里其实就是用户的角色
FormsAuthentication.FormsCookiePath);//cookie有效路径
//使用机器码machine key加密cookie,为了安全传送
string hash = FormsAuthentication.Encrypt(ticket);
HttpCookie cookie = new HttpCookie(FormsAuthentication.FormsCookieName, hash); //加密之后的cookie
//将cookie的失效时间设置为和票据tikets的失效时间一致
HttpCookie u_cookie = new HttpCookie("username", username);
if (ticket.IsPersistent)
{
u_cookie.Expires = ticket.Expiration;
cookie.Expires = ticket.Expiration;
}
//添加cookie到页面请求响应中
HttpContext.Current.Response.Cookies.Add(cookie);
HttpContext.Current.Response.Cookies.Add(u_cookie);
}
/// <summary>
/// 用户退出方法
/// </summary>
public static void Logout()
{
HttpCookie cookie = HttpContext.Current.Response.Cookies[FormsAuthentication.FormsCookieName];
if (cookie == null)
{
cookie = new HttpCookie(FormsAuthentication.FormsCookieName);
HttpContext.Current.Response.Cookies.Add(cookie);
}
cookie.Expires = DateTime.Now.AddYears(-10);
HttpCookie u_cookie = new HttpCookie("username", string.Empty);
u_cookie.Expires = DateTime.Now.AddYears(-10);
HttpContext.Current.Response.Cookies.Add(u_cookie);
}
}
}
原文链接:C#实现登录、退出验证帮助类