using System;
using System.Collections.Generic;
using System.Text;
using System.Web;

namespace LYFZ.Command
{
    public class Command_Session
    {
        /// <summary>
        /// 添加Session，有效期为20分钟
        /// </summary>
        /// <param name="strSessionName">Session对象名称</param>
        /// <param name="objValue">Session值</param>
        public static void AddObject(string strSessionName, object objValue)
        {
            HttpContext.Current.Session[strSessionName] = objValue;
            HttpContext.Current.Session.Timeout = 20;
        }
        /// <summary>
        /// 添加Session，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，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="objValue">Session值</param>
        /// <param name="iExpires">有效期（分钟）</param>
        public static void AddObject(string strSessionName, object objValue, int iExpires)
        {
            HttpContext.Current.Session[strSessionName] = objValue;
            HttpContext.Current.Session.Timeout = iExpires;
        }
        /// <summary>
        /// 添加Session
        /// </summary>
        /// <param name="strSessionName">Session对象名称</param>
        /// <param name="strValue">Session值</param>
        /// <param name="iExpires">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">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 object GetObject(string strSessionName)
        {
            if (HttpContext.Current.Session[strSessionName] == null)
            {
                return null;
            }
            else
            {
                return HttpContext.Current.Session[strSessionName];
            }
        }

        /// <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 != null)
            {
                if (HttpContext.Current.Session[strSessionName] != null)
                {
                    return HttpContext.Current.Session[strSessionName].ToString();
                }
            }
            return null;
        }
        /// <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;
        }
    }
}