网络考试系统中动态生成image准考证，全代码生成，希望大家能用的着
最近在做一个考试系统，遇到一点小问题：考生填完个人信息交完考费需要拿着准考证去考试，为了让考生拿到准考证的过程更为傻瓜话，也防止考生再次修改信息，直接把所填信息生成为一张固定大小的jpg图片，再给图片加写杂点和曲线，这样安全和方便基本上就能顾到了，所以我就用c#画了这样一个准考证样板，希望大家能用的着，不足之处多多提出。效果图
代码如下
sing 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;
using System.Drawing.Imaging;
using
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
gethua();
}
}
protected void gethua()
{
Random random = new Random();
Bitmap bt = new Bitmap(351, 402, PixelFormat.Format24bppRgb);
Graphics g = Graphics.FromImage(bt);
Font fn1 = new Font("Tahoma", 10, FontStyle.Bold);
Font fn = new Font("Tahoma", 9, FontStyle.Bold);
g.Clear(Color.Honeydew);
g.DrawString("中国电子学会电子设计初级工程师认证考试名", fn1, Brushes.Black, new PointF(20, 20));
g.DrawString("准 考 证", fn1, Brushes.Black, new PointF(140, 50));
g.DrawString("准考证号", fn, Brushes.Black, new PointF(14, 85));
g.DrawString("CIE09101080004", fn, Brushes.Black, new PointF(90, 85));
g.DrawString("考生姓名", fn, Brushes.Black, new PointF(14, 115));
g.DrawString("李晓杰", fn, Brushes.Black, new PointF(90, 115));
g.DrawString("考生性别", fn, Brushes.Black, new PointF(14, 145));
g.DrawString("男", fn, Brushes.Black, new PointF(90, 145));
g.DrawString("身份证号", fn, Brushes.Black, new PointF(14, 175));
g.DrawString("410381198408272032", fn, Brushes.Black, new PointF(90, 175));
g.DrawString("考试时间", fn, Brushes.Black, new PointF(14, 205));
g.DrawString("2007年11月30号", fn, Brushes.Black, new PointF(90, 205));
g.DrawString("考试科目", fn, Brushes.Black, new PointF(14, 235));
g.DrawString("电子设计", fn, Brushes.Black, new PointF(90, 235));
g.DrawString("考点名称", fn, Brushes.Black, new PointF(14, 265));
g.DrawString("电子设计工程师证书", fn, Brushes.Black, new PointF(90, 265));
g.DrawString("考场编号", fn, Brushes.Black, new PointF(14, 295));
g.DrawString("9101080004", fn, Brushes.Black, new PointF(90, 295));
g.DrawString("机位编号", fn, Brushes.Black, new PointF(196, 295));
g.DrawString("080004", fn, Brushes.Black, new PointF(275, 295));
g.DrawString("交通指南(由各考点提供)", fn, Brushes.Black, new PointF(14, 325));
g.DrawString("在北京站可直接换乘环线地铁，在东四十条下车。", fn, Brushes.Black, new PointF(30, 340));
for (int i = 0; i < 500; i++)
{
int x1 = random.Next(bt.Width-20);
int y1 = random.Next(bt.Height-20);
bt.SetPixel(x1, y1, Color.FromArgb(random.Next()));
}
for (int i = 0; i < 50; i++)
{
int x1 = random.Next(bt.Width-20);
int y1 = random.Next(bt.Height-20);
int x2 = random.Next(1,30);
int y2 = random.Next(1,20);
int x3 = random.Next(15,45);
int y3 = random.Next(70,270);
g.DrawArc(new Pen(Color.FromArgb(random.Next())), x1, y1, x2, y2, x3, y3);
}
g.DrawLine(new Pen(Color.Black), 10, 75, 341, 75);
g.DrawLine(new Pen(Color.Black), 10, 105, 243, 105);
g.DrawLine(new Pen(Color.Black), 10, 135, 243, 135);
g.DrawLine(new Pen(Color.Black), 10, 165, 243, 165);
g.DrawLine(new Pen(Color.Black), 10, 195, 341, 195);
g.DrawLine(new Pen(Color.Black), 10, 225, 341, 225);
g.DrawLine(new Pen(Color.Black), 10, 255, 341, 255);
g.DrawLine(new Pen(Color.Black), 10, 285, 341, 285);
g.DrawLine(new Pen(Color.Black), 10, 315, 341, 315);
g.DrawLine(new Pen(Color.Black), 80, 75, 80, 314);
g.DrawLine(new Pen(Color.Black), 185, 285, 185, 314);
g.DrawLine(new Pen(Color.Black), 265, 285, 265, 314);
g.DrawLine(new Pen(Color.Black), 243, 75, 243, 195);
g.DrawRectangle(new Pen(Color.CornflowerBlue), 10, 10, 331, 382);
System.Drawing.Image newimage = System.Drawing.Image.FromFile("E:/练习/baoming/image/123.jpg");
g.DrawImage(newimage, 245, 77, 95, 117);
Response.ContentType = "image/Jpeg";
bt.Save(Response.OutputStream, ImageFormat.Jpeg);
}
}
