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using System;
using System.Collections.Generic;
using System.Text;
using Model;
using System.Web;
using IDAL;
namespace Common
{
public class Member
{
/// <summary>
/// lgoin_User
/// </summary>
private const string USER_LOGIN = "lgoin_User";
/// <summary>
/// 用户登陆,保存登陆信息
/// </summary>
/// <param name="admin"></param>
public static void SaveLoginUserInfo(string userName)
{
try
{
if (string.IsNullOrEmpty(userName)) return;
Admin admin = Factory.Factory.GetAdminIDAL().GetAdminByUserName(userName);
HttpContext.Current.Session.Add(USER_LOGIN, admin);
SetCookies(USER_LOGIN, admin.UserName);
}
catch
{
throw new Exception("登录信息保存失败!");
}
}
/// <summary>
/// 用户注销,清空登陆信息
/// </summary>
public static void SingOut()
{
if (HttpContext.Current.Session[USER_LOGIN] != null)
HttpContext.Current.Session.Remove(USER_LOGIN);
DeleteCookie(USER_LOGIN);
}
/// <summary>
/// 是否已登录
/// </summary>
public static bool IsLogon
{
get
{
return User != null;
}
}
/// <summary>
/// 登录用户id
/// </summary>
public static int UserId
{
get
{
if (User != null)
return User.Id;
return -1;
}
}
/// <summary>
/// 登录用户账号
/// </summary>
public static string UserName
{
get
{
if (User != null)
return User.UserName;
return "";
}
}
/// <summary>
/// 登录用户类型
/// </summary>
public static int UserType
{
get
{
if (User != null)
return User.Level;
return 0;
}
}
/// <summary>
/// 登录用户基本信息
/// </summary>
private static Admin User
{
get
{
if (HttpContext.Current.Session[USER_LOGIN] != null)
return (Admin)HttpContext.Current.Session[USER_LOGIN];
if (CookiesIsEx(USER_LOGIN))
{
string username = (string)GetValueFromCookies(USER_LOGIN);
IDAL.IAdminDAL iadmin = Factory.Factory.GetAdminIDAL();
return iadmin.GetAdminByUserName(username);
}
return null;
}
}
/// <summary>
/// 添加cookie
/// </summary>
/// <param name="cookisName">cookie名称</param>
/// <param name="value">值</param>
private static void SetCookies(string cookisName, string value)
{
HttpCookie cookie = System.Web.HttpContext.Current.Request.Cookies[cookisName];
Common.Encrypt(value);
if (cookie == null)
cookie = new HttpCookie(cookisName);
cookie.Path = "/";
cookie.Expires = DateTime.Now.AddMinutes(20);
cookie.Value = value;
HttpContext.Current.Response.AppendCookie(cookie);
}
/// <summary>
/// 删除cookis
/// </summary>
/// <param name="cookisName">cookis名称</param>
private static void DeleteCookie(string cookisName)
{
HttpCookie cookie = new HttpCookie(cookisName);
cookie.Path = "/";
cookie.Expires = DateTime.Now.AddDays(-1);
System.Web.HttpContext.Current.Response.Cookies.Add(cookie);
}
/// <summary>
/// 根据cookie名称获取值
/// </summary>
/// <param name="cookisName"></param>
/// <returns></returns>
private static object GetValueFromCookies(string cookisName)
{
return System.Web.HttpContext.Current.Request.Cookies[cookisName].Value;
}
/// <summary>
/// 是否存在Cookies
/// </summary>
/// <param name="cookisName"></param>
/// <returns></returns>
private static bool CookiesIsEx(string cookisName)
{
if (System.Web.HttpContext.Current.Request.Cookies[cookisName] == null)
return false;
return !(string.IsNullOrEmpty(System.Web.HttpContext.Current.Request.Cookies[cookisName].Value));
}
}
}
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