D7QUANTAI/DSWeb/EntityDA/cookies.cs

using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

namespace DSWeb.EntityDA
{
    public class Cookies
    {
        public Cookies()
	    {
		    //
		    //TODO: 在此处添加构造函数逻辑
		    //
	    }
        //赋值
        public bool setCookie(string strName, string strValue, int strDay)
        {
            try
            { 
                HttpCookie Cookie = new HttpCookie(strName);
                Cookie.Expires = DateTime.Now.AddDays(strDay);
                Cookie.Value = strValue;
                System.Web.HttpContext.Current.Request.Cookies.Add(Cookie);
                return true;
            }
            catch
            {
                return false;
            }
        }
        public bool setCookie(string strName, string strContent)
        {
            try
            {
                System.Web.HttpContext.Current.Response.Cookies[strName].Value = strContent.Trim();
                System.Web.HttpContext.Current.Response.Cookies[strName].Expires = DateTime.MaxValue; 
                return true;
            }
            catch
            {
                return false;
            }
        }
        //读取
        public string getCookie(string strName)
        {
            
            try
            {
                HttpCookie Cookie = new HttpCookie(strName);
                Cookie.Value = System.Web.HttpContext.Current.Request.Cookies[strName].Value.ToString();
                if (Cookie != null)
                {
                    return Cookie.Value.ToString();
                }
                else
                {
                    return null;
                }
            }
            catch (Exception)
            {
                return null;
            }
            
        }
        //删除
        public bool delCookie(string strName, string strValue, int strDay)
        {
            try
            {
                HttpCookie Cookie = new HttpCookie(strName);
                Cookie.Expires = DateTime.Now.AddDays(-1);
                System.Web.HttpContext.Current.Request.Cookies.Add(Cookie);
                return true;
            }
            catch
            {
                return false;
            }
        }
    }
}