搞反了，不好意思
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分享求一验证码识别
那位朋友如下验证码识别c#代码, 能不能共享出来用一用,非常感谢
http://www.queensalon.com/CON55F.gif
图片上传不了,只能贴个网址
http://www.queensalon.com/CON55F.gif
图片上传不了,只能贴个网址
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失落的神庙 2014-09-18
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嗯,会的都这么说的,兄弟有例子的发出来用用了[/quote]
多去看看教程吧。
百度google 次世代 验证码识别教程
zhlym 2014-09-17
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问题还等待解决,在会的朋友路过
zhlym 2014-09-17
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唉没有这方面的知识,还未能解决,等待会的朋友路过给个源码例子
zhlym 2014-09-17
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嗯,会的都这么说的,兄弟有例子的发出来用用了
泡泡龙 2014-09-17
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这有什么难的，去掉干扰线，做字库，识别即可，最简单的活了
网络菜鸟00 2014-09-17
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字符较简单，根据例子自己研究下，识别不太复杂的。
zhlym 2014-09-17
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顶一顶等待会的朋友
zhlym 2014-09-16
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TO kongwei521
兄弟,我要的是识别,你的是生成,搞反了..... 麻烦有的发一个识别的例子,谢谢谢谢
蝶恋花雨 2014-09-16
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蝶恋花雨 2014-09-16
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使用方法：
<input type="text" runat="server" ID="yanzheng" maxlength="5" style="height:22px; width:70px; border:solid 1px #cadcb2; font-size:12px; color:#81b432;" /> </div>
<div style="float:right; padding-top:2px;"><img id="yan" alt="刷新验证码" style=" cursor:pointer" onclick="javascript:DianJi();" src="../UserControl/ValidateCode.aspx" /> </div>function DianJi()//刷新验证码
{ document.getElementById("yan").src = "../UserControl/ValidateCode.aspx" + "?" + Math.random(); }蝶恋花雨 2014-09-16
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参考效果和你的一样
public partial class ValidateCode : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string tmp = RndNum(5).ToUpper();
this.Session["ImageV"] = tmp;
HttpCookie a = new HttpCookie("ImageV", tmp);
Response.Cookies.Add(a);
this.CreateCheckCodeImage(tmp);
}
#region//创建验证码
protected void ValidateCodeCreate(string VNum)
{
Bitmap Img = null;
Graphics g = null;
MemoryStream ms = null;
int gheight = VNum.Length * 10;
Img = new Bitmap(gheight, 25);
g = Graphics.FromImage(Img);
//背景颜色
g.Clear(Color.White);
//文字字体
Font f = new Font("Arial Black", 10);
//文字颜色
SolidBrush s = new SolidBrush(Color.Black);
g.DrawString(VNum, f, s, 3, 3);
ms = new MemoryStream();
Img.Save(ms, ImageFormat.Jpeg);
Response.ClearContent();
Response.ContentType = "image/Jpeg";
Response.BinaryWrite(ms.ToArray());
g.Dispose();
Img.Dispose();
Response.End();
}
#endregion
#region//生验证码随即数字+字母组合
private string RndNum(int VcodeNum)
{
string Vchar = "a,b,c,d,e,0,1,2,3,4,5,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,0,1,2,3,4,5,6,7,8,9,w,x,y,z,a,b,c,d,e,f,g,h,i,j,k,l,m,1,2,3,4,5,6,7,8,9,n,o,p,q,r,s,t,u,v,w,x,y,z";
string[] VcArray = Vchar.Split(new Char[] { ',' });
string VNum = "";
int temp = -1;
Random rand = new Random();
for (int i = 1; i < VcodeNum + 1; i++)
{
if (temp != -1)
{
rand = new Random(i * temp * unchecked((int)DateTime.Now.Ticks));
}
int t = rand.Next(35);
if (temp != -1 && temp == t)
{
return RndNum(VcodeNum);
}
temp = t;
VNum += VcArray[t];
}
return VNum;
}
#endregion
#region //创建验证码背景图片
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 * 13.0)), 21);
Graphics g = Graphics.FromImage(image);
try
{
//生成随机生成器
Random random = new Random();
//清空图片背景色
g.Clear(Color.White);
//画图片的背景噪音线
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);
}
Font font = new System.Drawing.Font("Arial", 12, (System.Drawing.FontStyle.Bold | System.Drawing.FontStyle.Italic));
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, 1);
//画图片的前景噪音点
for (int i = 0; i < 100; i++)
{
int x = random.Next(image.Width);
int y = random.Next(image.Height);
image.SetPixel(x, y, Color.FromArgb(random.Next()));
}
//画图片的边框线
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();
}
}
#endregion
}<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="ValidateCode.aspx.cs" Inherits="HaiPaiHuanYi.UserControl.ValidateCode" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
</div>
</form>
</body>
</html>
