/***************************************
******** 里奥特在线邮件收发系统 *****
***************************************/
namespace Lyout.WebMail {
/// <summary>
/// 用户信息
/// </summary>
[Serializable]
public class UserInfo {
private DateTime loginDate;
private int userID;
private string username;
private string nickname;
private int roleID = 0;

public UserInfo() {
}

public UserInfo(int userID) {
this.userID = userID;
this.username = string.Empty;
this.nickname = string.Empty;
this.loginDate = DateTime.Now;
}

public UserInfo(int userID, string username) {
this.userID = userID;
this.username = username;
this.nickname = username;
this.loginDate = DateTime.Now;
}

public UserInfo(int userID, string username, string nickname) : this(userID, username) {
this.nickname = nickname;
}

public UserInfo(int userID, string username, DateTime loginDate) {
this.userID = userID;
this.username = username;
this.nickname = username;
this.loginDate = loginDate;
}

public UserInfo(int userID, string username, string nickname, DateTime loginDate) : this(userID, username, loginDate) {
this.nickname = nickname;
}
/// <summary>
/// 登录日期
/// </summary>
public DateTime LoginDate {
get {
return this.loginDate;
}
set {
this.loginDate = value;
}
}
/// <summary>
/// 用户ID
/// </summary>
public int UserID {
get {
return this.userID;
}
set {
this.userID = value;
}
}
/// <summary>
/// 登录名
/// </summary>
public string UserName {
get {
return this.username;
}
set {
this.username = value;
}
}
/// <summary>
/// 呢称
/// </summary>
public string NickName {
get {
return this.nickname;
}
set {
this.nickname = value;
}
}
/// <summary>
/// 角色ID
/// </summary>
public int RoleID {
get {
return roleID;
}
set {
roleID = value;
}
}
}
}

using System;
using System.Web.SessionState;
using System.Web;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;
using System.IO;

/***************************************
******** 里奥特在线邮件收发系统 *****
***************************************/
namespace Lyout.WebMail {
/// <summary>
/// 用户信息操作
/// </summary>
public class UserHelper {
private static readonly string UserIDKey = "UCO_USERIDKEY";

/// <summary>
/// 删除
/// </summary>
/// <param name="cookies"></param>
public static void Delete(HttpCookieCollection cookies) {
cookies.Remove(UserIDKey);
}

/// <summary>
/// 从缓存中取出用户数据
/// </summary>
/// <param name="cookies"></param>
/// <returns></returns>
public static UserInfo GetUserInfo(HttpCookieCollection cookies) {
if (cookies[UserIDKey] != null) {
string cookiedata = cookies[UserIDKey].Value;
if (!string.IsNullOrEmpty(cookiedata)) {
// 反序列化用户信息
string userData = HttpContext.Current.Server.UrlDecode(cookiedata);
byte[] bt = Convert.FromBase64String(userData);
using (Stream smNew = new MemoryStream(bt)) {
IFormatter fmNew = new BinaryFormatter();
return (UserInfo)fmNew.Deserialize(smNew);
}
}
}
return null;
}

/// <summary>
/// 把用户信息存储到缓存中
/// </summary>
/// <param name="cookies"></param>
/// <param name="info"></param>
public static void StoreUserInfo(HttpCookieCollection cookies, UserInfo info) {
if (cookies!=null) {
IFormatter fm = new BinaryFormatter();
MemoryStream sm = new MemoryStream();

// 序列化用户信息
fm.Serialize(sm, info);
sm.Seek(0, SeekOrigin.Begin);

// 转为 base64 格式
byte[] byt = new byte[sm.Length];
byt = sm.ToArray();
string userData = Convert.ToBase64String(byt);
sm.Flush();

cookies.Remove(UserIDKey);
// 存储到 Cookie 中
HttpCookie cookie = new HttpCookie(UserIDKey);
cookie.Value = HttpContext.Current.Server.UrlEncode(userData);
// 有效期一天
cookie.Expires = DateTime.Now.AddDays(1);
cookies.Add(cookie);
}
}

public static void StoreUserInfo(HttpCookieCollection cookies, int userID) {
StoreUserInfo(cookies, new UserInfo(userID));
}

public static void StoreUserInfo(HttpCookieCollection cookies, int userID, string username) {
StoreUserInfo(cookies, new UserInfo(userID, username));
}

public static void StoreUserInfo(HttpCookieCollection cookies, int userID, string username, DateTime loginDate) {
StoreUserInfo(cookies, new UserInfo(userID, username, loginDate));
}
}
}