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

namespace pub.mo  
{  
    public class request  
    {  
        private request() { }  

        /// <summary>  
        /// 獲取session  
        /// </summary>  
        /// <param name="_session_name"></param>  
        /// <returns></returns>  
        public static string session(string _session_name)  
        {  
            object obj = HttpContext.Current.Session[_session_name];  
            return obj == null ? config.empty : obj.ToString();  
        }  

        /// <summary>  
        /// 得到Request.QueryString  
        /// </summary>  
        /// <param name="_str"></param>  
        /// <returns></returns>  
        public static string querystring(string _str)  
        {  
            string s = HttpContext.Current.Request.QueryString[_str];  
            return s == null ? config.empty : s;  
        }  

        /// <summary>  
        /// 得到Request.Form  
        /// </summary>  
        /// <param name="_str"></param>  
        /// <returns></returns>  
        public static string form(string _str)  
        {  
            string s = HttpContext.Current.Request.Form[_str];  
            return s == null ? config.empty : s;  
        }  

        /// <summary>  
        /// 得到Request.Cookies  
        /// </summary>  
        /// <param name="_str"></param>  
        /// <returns></returns>  
        public static string cookies(string _str)  
        {  
            HttpCookie hc = HttpContext.Current.Request.Cookies[_str];  
            return hc == null ? config.empty : hc.Value;  
        }  

        /// <summary>  
        /// 獲得當(dāng)前頁面的名稱  
        /// </summary>  
        /// <returns>當(dāng)前頁面的名稱</returns>  
        public static string page_name()  
        {  
            string[] urlArr = HttpContext.Current.Request.Url.AbsolutePath.Split('/');  
            return urlArr[urlArr.Length - 1].ToLower();  
        }  

        /// <summary>  
        /// 返回表單或Url參數(shù)的總個數(shù)  
        /// </summary>  
        /// <returns></returns>  
        public static int param_count()  
        {  
            return HttpContext.Current.Request.Form.Count + HttpContext.Current.Request.QueryString.Count;  
        }  

        /// <summary>  
        /// 得到 Request 的全部  
        /// </summary>  
        /// <param name="_str"></param>  
        /// <returns></returns>  
        public static string all(string _str)  
        {  
            string s = HttpContext.Current.Request[_str];  
            return s == null ? config.empty : s;  
        }

        #region 獲取id  
        /// <summary>  
        /// 常用 獲取ID 默認(rèn)獲取URL id參數(shù) 不是數(shù)值時返回值為0  
        /// </summary>  
        /// <returns></returns>  
        public static int get_id()  
        {  
            return fun.is_id(request.querystring("id"), 0);  
        }  

        /// <summary>  
        /// 常用 獲取ID 不是數(shù)值時返回值為0  
        /// </summary>  
        /// <param name="_str"></param>  
        /// <returns></returns>  
        public static int get_id(string _str)  
        {  
            return fun.is_id(request.querystring(_str), 0);  
        }  

        /// <summary>  
        /// 常用 獲取ID  
        /// </summary>  
        /// <param name="_str"></param>  
        /// <param name="_return">不是數(shù)值時返回值</param>  
        /// <returns></returns>  
        public static int get_id(string _str, int _return)  
        {  
            return fun.is_id(request.querystring(_str), _return);  
        }
        #endregion  

    }  
}