using System.Web;

namespace DotNet.Utilities

{

 public static class SessionHelper2

 {

  /// <summary>

  /// 添加Session，调动有效期为20分钟

  /// </summary>

  /// <param name="strSessionName">Session对象名称</param>

  /// <param name="strValue">Session值</param>

  public static void Add(string strSessionName, string strValue)

  {

   HttpContext.Current.Session[strSessionName] = strValue;

   HttpContext.Current.Session.Timeout = 20;

  }

  /// <summary>

  /// 添加Session，调动有效期为20分钟

  /// </summary>

  /// <param name="strSessionName">Session对象名称</param>

  /// <param name="strValues">Session值数组</param>

  public static void Adds(string strSessionName, string[] strValues)

  {

   HttpContext.Current.Session[strSessionName] = strValues;

   HttpContext.Current.Session.Timeout = 20;

  }

  /// <summary>

  /// 添加Session

  /// </summary>

  /// <param name="strSessionName">Session对象名称</param>

  /// <param name="strValue">Session值</param>

  /// <param name="iExpires">调动有效期（分钟）</param>

  public static void Add(string strSessionName, string strValue, int iExpires)

  {

   HttpContext.Current.Session[strSessionName] = strValue;

   HttpContext.Current.Session.Timeout = iExpires;

  }

  /// <summary>

  /// 添加Session

  /// </summary>

  /// <param name="strSessionName">Session对象名称</param>

  /// <param name="strValues">Session值数组</param>

  /// <param name="iExpires">调动有效期（分钟）</param>

  public static void Adds(string strSessionName, string[] strValues, int iExpires)

  {

   HttpContext.Current.Session[strSessionName] = strValues;

   HttpContext.Current.Session.Timeout = iExpires;

  }

  /// <summary>

  /// 读取某个Session对象值

  /// </summary>

  /// <param name="strSessionName">Session对象名称</param>

  /// <returns>Session对象值</returns>

  public static string Get(string strSessionName)

  {

   if (HttpContext.Current.Session[strSessionName] == null)

   {

    return null;

   }

   else

   {

    return HttpContext.Current.Session[strSessionName].ToString();

   }

  }

  /// <summary>

  /// 读取某个Session对象值数组

  /// </summary>

  /// <param name="strSessionName">Session对象名称</param>

  /// <returns>Session对象值数组</returns>

  public static string[] Gets(string strSessionName)

  {

   if (HttpContext.Current.Session[strSessionName] == null)

   {

    return null;

   }

   else

   {

    return (string[])HttpContext.Current.Session[strSessionName];

   }

  }

  /// <summary>

  /// 删除某个Session对象

  /// </summary>

  /// <param name="strSessionName">Session对象名称</param>

  public static void Del(string strSessionName)

  {

   HttpContext.Current.Session[strSessionName] = null;

  }

 }

}