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

using?System.Drawing;??//添加引用

public?partial?class?_Default?:?System.Web.UI.Page
{
????protected?void?Page_Load（object?sender?EventArgs?e）
????{
????????CreateCheckCodeImage（GenerateCheckCode（））;
????}

????private?string?GenerateCheckCode（）
????{
????????int?number;
????????char?code;
????????string?checkCode?=?String.Empty;

????????Random?random?=?new?Random（）;

????????for?（int?i?=?0;?i?????????{
????????????number?=?random.Next（）;


????????????code?=?（char）（‘0‘?+?（char）（number?%?10））;


????????????checkCode?+=?code.ToString（）;
????????}

????????Response.Cookies.Add（new?HttpCookie（“CheckCode“?checkCode））;

????????return?checkCode;
????}

????private?void?CreateCheckCodeImage（string?checkCode）
????{
????????if?（checkCode?==?null?||?checkCode.Trim（）?==?String.Empty）
????????????return;
????????System.Drawing.Bitmap?image?=?new?System.Drawing.Bitmap（（int）Math.Ceiling（（checkCode.Length?*?12.5））?22）;
????????Graphics?g?=?Graphics.FromImage（image）;
????????try
????????{
????????????//生成隨機生成器
????????????Random?random?=?new?Random（）;
????????????//清空圖片背景色
????????????g.Clear（Color.White）;
????????????//畫圖片的背景噪音線
????????????for?（int?i?=?0;?i?????????????{
????????????????int?x1?=?random.Next（image.Width）;
????????????????int?x2?=?random.Next（image.Width）;
????????????????int?y1?=?random.Next（image.Height）;
????????????????int?y2?=?random.Next（image.Height）;
????????????????g.DrawLine（new?Pen（Color.Black）?x1?y1?x2?y2）;
????????????}
????????????Font?font?=?new?System.Drawing.Font（“Arial“?12?（System.Drawing.Fontstyle.Bold））;
????????????System.Drawing.Drawing2D.LinearGradientBrush?brush?=?new?System.Drawing.Drawing2D.LinearGradientBrush（new?Rectangle（0?0?image.Width?image.Height）?Color.Blue?Color.DarkRed?1.2f?true）;
????????????g.DrawString（checkCode?font?brush?2?2）;
????????????//畫圖片的前景噪音點
????????????for?（int?i?=?0;?i?????????????{
????????????????int?x?=?random.Next（image.Width）;
????????????????int?y?=?random.Next（image.Height）;
????????????????image.SetPixel（x?y?Color.FromArgb（random.Next（）））;
????????????}
????????????//畫圖片的邊框線
????????????g.DrawRectangle（new?Pen（Color.Silver）?0?0?image.Width?-?1?image.Height?-?1）;
????????????System.IO.MemoryStream?ms?=?new?System.IO.MemoryStream（）;
????????????image.Save（ms?System.Drawing.Imaging.ImageFormat.Gif）;
????????????Response.ClearContent（）;
????????????Response.ContentType?=?“image/Gif“;
????????????Response.BinaryWrite（ms.ToArray（））;
????????}
????????finally
????????{
????????????g.Dispose（）;
????????????image.Dispose（）;
????????}
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1929??2007-03-30?15:09??20\ShoppingCart\App_Code\DB.cs

?????文件????3145728??2008-11-03?13:21??20\ShoppingCart\App_Data\db_NetShop.mdf

?????文件????1048576??2008-11-03?13:21??20\ShoppingCart\App_Data\db_NetShop_log.ldf

?????文件????????461??2008-08-15?18:05??20\ShoppingCart\CheckCode.aspx

?????文件???????3011??2008-08-15?19:37??20\ShoppingCart\CheckCode.aspx.cs

?????文件???????6172??2008-08-15?16:48??20\ShoppingCart\Default.aspx

?????文件???????2556??2008-08-15?16:50??20\ShoppingCart\Default.aspx.cs

?????文件???????3700??2007-04-12?09:36??20\ShoppingCart\Describe.aspx

?????文件???????1033??2007-04-02?09:48??20\ShoppingCart\Describe.aspx.cs

?????文件???????6665??2007-04-12?10:12??20\ShoppingCart\GoodsInfo.aspx

?????文件???????3089??2007-04-12?10:05??20\ShoppingCart\GoodsInfo.aspx.cs

?????文件???????6166??2008-06-06?15:24??20\ShoppingCart\Image\02-_small9[20061102090405].jpg

?????文件???????4254??2008-08-15?16:20??20\ShoppingCart\Image\1.JPG

?????文件??????11422??2008-08-15?16:20??20\ShoppingCart\Image\2.bmp

?????文件??????17570??2008-08-15?16:21??20\ShoppingCart\Image\3.bmp

?????文件???????5738??2008-06-06?15:40??20\ShoppingCart\Image\3.gif

?????文件???????1193??2008-04-23?15:24??20\ShoppingCart\Image\anniu1.gif

?????文件????????974??2008-04-23?15:24??20\ShoppingCart\Image\anniu2.gif

?????文件??????61885??2008-08-16?10:31??20\ShoppingCart\Image\asp.net.jpg

?????文件???????4651??2008-06-06?15:21??20\ShoppingCart\Image\fjtp.jpg

?????文件???????2810??2008-07-17?15:01??20\ShoppingCart\Image\login.css

?????文件???????1243??2007-03-05?17:26??20\ShoppingCart\Image\Login.GIF

?????文件??????15837??2008-07-17?10:41??20\ShoppingCart\Image\login_logo.jpg

?????文件????????451??2005-10-01?01:38??20\ShoppingCart\Image\login_shadow.jpg

?????文件???????1221??2007-03-05?17:25??20\ShoppingCart\Image\RESET.GIF

?????文件??????22243??2008-08-01?08:54??20\ShoppingCart\Image\sy_01.jpg

?????文件??????21180??2008-08-01?08:54??20\ShoppingCart\Image\sy_02.jpg

?????文件???????5128??2008-08-01?08:54??20\ShoppingCart\Image\sy_03.jpg

?????文件??????57999??2008-08-01?08:54??20\ShoppingCart\Image\sy_04.jpg

?????文件?????107903??2008-08-01?08:54??20\ShoppingCart\Image\sy_05.jpg

............此處省略60個文件信息