各位博友,我在iis里面发布的网站为什么验证码显示不了,其它的都正常,权限也设置过了,就是显示不出来,但是在本地测试是可以的,发布的时候就出问题了。研究了好长时间,没有找到答案,麻烦哪位高手解答一下,小弟在此谢过了。
下面是权限设置,验证码页面是在后台的根目录里面。
<system.web>
<authorization>
<deny users="?"/>
</authorization>
</system.web>
<location path="CheckCode.aspx">
<system.web>
<authorization>
<allow users="*"/>
</authorization>
</system.web>
</location>
<location path="css">
<system.web>
<authorization>
<allow users="*"/>
</authorization>
</system.web>
</location>
<location path="js">
<system.web>
<authorization>
<allow users="*"/>
</authorization>
</system.web>
</location>
<location path="upload">
<system.web>
<authorization>
<allow users="*"/>
</authorization>
</system.web>
</location>
<location path="rightcommon">
<system.web>
<authorization>
<allow users="*"/>
</authorization>
</system.web>
</location>
<location path="js-global">
<system.web>
<authorization>
<allow users="*"/>
</authorization>
</system.web>
</location>
<location path="loginskin">
<system.web>
<authorization>
<allow users="*"/>
</authorization>
</system.web>
</location>
<location path="images">
<system.web>
<authorization>
<allow users="*"/>
</authorization>
</system.web>
</location>
<location path="images-global">
<system.web>
<authorization>
<allow users="*"/>
</authorization>
</system.web>
</location>
下面我把验证码code贴上。
using System;
using System.Collections;
using System.Configuration;
using System.Data;
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;
using System.Drawing;
using System.IO;
using System.Drawing.Imaging;
using System.Drawing.Drawing2D;
using System.Drawing.Printing;
public partial class Admin_CheckCode : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
CreateCheckCodeImage(GenerateCheckCode());
}
private string GenerateCheckCode()
{
int number;
string strCode = string.Empty;
//随机数种子
Random random = new Random();
for (int i = 0; i < 4; i++) //校验码长度为4
{
//随机的整数
number = random.Next();
//字符从0-9,A-Z中随机产生,对应的ASCII码分别为
//48-57,65-90
number = number % 36;
if (number < 10)
{
number += 48;
}
else
{
number += 55;
}
strCode += ((char)number).ToString();
}
//在session中保存校验码
Session["CheckCode"] = strCode;
return strCode;
}
/// <summary>
/// 根据校验码输出图片
/// </summary>
/// <param name="checkCode">产生的随机校验码</param>
private void CreateCheckCodeImage(string checkCode)
{
//若校验码为空,则直接返回
if (checkCode == null || checkCode.Trim() == String.Empty)
{
return;
}
//根据校验码的长度确定输出图片的长度
System.Drawing.Bitmap image = new System.Drawing.Bitmap(55, 20);//(int)Math.Ceiling(Convert.ToDouble(checkCode.Length * 15))
//创建Graphics对象
Graphics g = Graphics.FromImage(image);
try
{
//生成随机数种子
Random random = new Random();
//清空图片背景色
g.Clear(Color.White);
//画图片的背景噪音线 10条
//---------------------------------------------------
for (int i = 0; i < 10; i++)
{
//噪音线起点坐标(x1,y1),终点坐标(x2,y2)
int x1 = random.Next(image.Width);
int x2 = random.Next(image.Width);
int y1 = random.Next(image.Height);
int y2 = random.Next(image.Height);
//用银色画出噪音线
g.DrawLine(new Pen(Color.Silver), x1, y1, x2, y2);
}
//---------------------------------------------------
//Brush b = Brushes.Silver;
//g.FillRectangle(b, 0, 0, image.Width, image.Height);
//---------------------以上两种任选其一------------------------------
//输出图片中校验码的字体: 12号Arial,粗斜体
Font font = new Font("Arial", 12, (FontStyle.Bold | FontStyle.Italic));
//线性渐变画刷
LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(0, 0, image.Width, image.Height), Color.Blue, Color.Purple, 1.2f, true);
g.DrawString(checkCode, font, brush, 2, 2);
//画图片的前景噪音点 50个
for (int i = 0; i < 50; 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.Peru), 0, 0, image.Width - 1, image.Height - 1);
//创建内存流用于输出图片
using (MemoryStream ms = new MemoryStream())
{
//图片格式指定为png
image.Save(ms, ImageFormat.Jpeg);
//清除缓冲区流中的所有输出
Response.ClearContent();
//输出流的HTTP MIME类型设置为"image/Png"
Response.ContentType = "image/Jpeg";
//输出图片的二进制流
Response.BinaryWrite(ms.ToArray());
}
}
finally
{
//释放Bitmap对象和Graphics对象
g.Dispose();
image.Dispose();
}
}
}
慕莱坞森
一只名叫tom的猫
桃花长相依
慕少森