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SessionHelper

using System.Web;

public static class SessionHelper
{
    /// <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;
    }
}

SessionHelper