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1. ÁÖÐÅÁ¼ index.datÎļþÆÊÎö ½ÏÉîÈë·ÖÎöcookiesÔÚindex.datÖдæÈëÇé¿ö
2. MSDN —— ASP.NET Cookie ¸ÅÊö ºÜÈ«ÃæºÜÏêϸµÄ½éÉÜÁËCookies
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CookiesHelper.cs
using System;
using System.Collections.Generic;
using System.Text;
using System.Web;
namespace TLibrary.ObjectHelper
{
public class CookiesHelper
{
#region »ñÈ¡Cookie
/// <summary>
/// »ñµÃCookieµÄÖµ
/// </summary>
/// <param name="cookieName"></param>
/// <returns></returns>
public static string GetCo
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н¨Ò»¸öרÃÅÓÃÀ´´´½¨ÑéÖ¤ÂëͼƬµÄÒ³ÃæValidateCode.aspx
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PageLoad
private void Page_Load(object sender, System.EventArgs e)
{
string checkCode = CreateRandomCode(4);
Session["CheckCode"] = checkCode;
CreateImage(checkCode);
......
string mapho = request["imgpath"];//»ñȡij¸öÒ³Ãæ´«¹ýµÄͼƬÃû³Æ
string str1 = Server.MapPath(mapho);//ÒªÌí¼ÓˮӡµÄͼƬ
string str2 = Server.MapPath("WaterMark.jpg");//Ìí¼ÓµÄÄÚÈÝͼƬ
System.Drawing.Image bmp = System.Drawing.Image.fromFile(str1);
Graphics gs = Graphics. ......