Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Ò»¸öasp.netͼƬÑéÖ¤Âë³ÌÐò

Êý×Ö/×Öĸ»ìºÏºÜ¼òµ¥µÄ£¬¿´×űȽÏÊæ·þ£¬Ç°Ì¨Éú³ÉµÄaspxÎļþÎҾͲ»Ìù³öÀ´ÁË£¬Ä¬Èϵģ¬ÎÒҲδ×÷Ð޸ġ£ÏÂÃæÖ»Ìù³öºǫ́µÄcs´úÂë¡£½ö¹©²Î¿¼¡£
public partial class CheckCode : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
this.CreateCheckCodeImage(GenerateCheckCode());
}

private string GenerateCheckCode()
{
int number;
char code;
string checkCode = String.Empty;
System.Random random = new Random();
for (int i = 0; i < 4; i++)
{
number = random.Next();
if (number % 2 == 0)
code = (char)('0' + (char)(number % 10));
else
code = (char)('A' + (char)(number % 26));
checkCode += code.ToString();
}
//Response.Cookies.Add(new HttpCookie("CheckCode", checkCode));
Session["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
{
//Éú³ÉËæ»úÉú³ÉÆ÷
Random random = new Random();
//Çå¿ÕͼƬ±³¾°É«
g.Clear(Color.White);
//»­Í¼Æ¬µÄ±³¾°ÔëÒôÏß
for (int i = 0; i < 25; 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.Silver), x1, y1, x2, y2);


Ïà¹ØÎĵµ£º

¹ØÓÚasp.net ideÖÐÎÞ·¨´´½¨¿Ø¼þµÄÎÊÌâ

Õ⼸ÌìÅöµ½¸öºÜÆæ¹ÖµÄÎÊÌ⣬ƽ³£ÔÚÏîÄ¿Öдӹ¤¾ßÏäÖУ¬°Ñ¿Ø¼þÍϵ½±à¼­Çø£¬ÄÇÊÇÔÙ¼òµ¥ÈÝÒײ»¹ýÁË¡£
¿ÉÊǼ¸ÌìǰÅöµ½¾ÍÊÇ£¬ÎÞÂÛÄãÔõôÍÏ£¬¶¼ÎÞ·¨Íϵ½±à¼­ÇøÖУ¬Çл»µ½Ô´Â룬ÔÙÍϵÄʱºòÊÇ¿ÉÒԵ쬲úÉúÁËHTML´úÂë
£¬ÔÙ½«ËüתÊÓͼµÄʱºò£¬·¢ÏÖÎÞ ·¨Õý³£ÏÔʾ¿Ø¼þ£¬£¬ËµÊÇÎÞ·¨ÕÒµ½¸ÃÒ³Ãæ¡£¡£¡£¡£¡£
н¨Á˼¸´ÎÒ²ÊDz»ÐУ¬ÒÔΪÊÇVS³ ......

dzÎöASP.NETÉú³ÉËæ»úÃÜÂë

ÔÚ¿ª·¢ÐèÒªÓû§×¢²áºó²ÅÄÜʹÓÃÌṩµÄ¸÷ÏÄܵÄÓ¦ÓóÌÐòʱ£¬ÔÚÐÂÓû§Ìá½»×¢²áÐÅÏ¢ºó£¬½Ï³£¼ûµÄ×ö·¨ÊÇÓɳÌÐòÉú³ÉËæ»úÃÜÂ룬Ȼºó·¢ËÍÃÜÂëµ½Óû§×¢²áʱÌîдµÄµç×ÓÐÅÏ䣬Óû§ÔÙÓÃÊÕµ½µÄÃÜÂëÀ´¼¤»îÆäÕÊ»§¡£
ʵÏÖASP.NETÉú³ÉËæ»úÃÜÂ빦ÄÜÊǺÜÈÝÒ׵ģ¬ÏÂÃæµÄ´úÂë¸ø³öÁËÍêÕûµÄʵÏÖ·½·¨£º
publicstaticstringMakePassword(stringpw ......

ASP.NET ÑÝÁ·£ºÊ¹Óÿͻ§¶Ë½Å±¾È«Çò»¯ÈÕÆÚ


      ÔÚ±¾ÑÝÁ·ÖУ¬Äú½«Ê¹Óà ECMAScript (JavaScript) ÒÔÈ«Çò»¯¸ñʽÏÔʾÈÕ¡¢ÔÂºÍÆäËûÓëÈÕÆÚÏà¹ØµÄÖµ¡£ASP.NET ÖÐµÄ AJAX ¹¦ÄÜ»ùÓÚ ScriptManager ¿Ø¼þÖеÄÉèÖÃÌṩ¿Í»§¶ËÈ«Çò»¯Ö§³Ö¡£½«ÕâЩȫÇò»¯ÉèÖÃÓ¦ÓÃÓÚ Web Ó¦ÓóÌÐòºó£¬¿ÉÒÔʹÓÿͻ§¶Ë½Å±¾»ùÓÚÇøÓòÐÔÖµÉèÖà JavaScript Date »ò Number ¶ÔÏ ......

asp.net ½«ÖÐÎÄ·­Òë³ÉÆ´Òô£¨VS2008£©

3¸öÎļþ
code ÀàÎļþ
 using System;
using System.Text;
namespace ConcreteMIS.Common.Chinese
{
    /// <summary>
    /// ºº×ÖÆ´ÒôÉùĸ¼ÆËãÀà
    /// Write by WangZhenlong at 2003/11/29
    /// </summary>
   ......

Ïê½âASP.NET»º´æµÄ¹¤×÷Ô­Àí

ÕâÀïÎÒÃǽ«½éÉÜASP.NET»º´æµÄ¹¤×÷Ô­Àí£¬°üÀ¨¼òµ¥µÄ¶¨Ò壬Êý¾Ý»º´æÒÔ¼°»º´æµÄÉèÖõȵÈÄÚÈÝ¡£Ï£Íû±¾ÎÄÄܶԴó¼Ò½ñºóµÄ¹¤×÷ÓÐËù°ïÖú¡£
ÈçºÎ±ÜÃâASP.NET»º´æÕ¼ÓÃϵͳ×ÊÔ´
ÔÙ̸ASP.NET»º´æ»úÖÆ£º¿ª·¢Ð§ÂÊÓëÓÅ»¯µÄ..
ASP.NET»º´æ»úÖÆ»ù´¡¸ÅÄî
ASP.NET»º´æÊý¾ÝÌí¼Ó·½·¨Ò»ÀÀ
ASP.NET»º´æÊý¾Ý¼¼ÇÉÈýÔò
½éÉÜ
»º´æÊÇÔÚÄÚ´æ´ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ