[原创]GDI+生成准考证（新改版）

 

            Random random = new Random();
            //创建画布
            Bitmap bt = new Bitmap(353, 404, PixelFormat.Format24bppRgb);
            Graphics g = Graphics.FromImage(bt);
            //定义文字样式
            Font fn1 = new Font("Tahoma", 10, FontStyle.Bold);
            Font fn = new Font("Tahoma", 9, FontStyle.Bold);
            //填充背景色
            g.Clear(Color.LightBlue);
            //填文字
            g.DrawString("中国电子学会电子设计工程师认证考试", fn1, Brushes.Black, new PointF(46, 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("EDP200903060001", fn, Brushes.Black, new PointF(90, 85));
            g.DrawString("考生姓名", fn, Brushes.Black, new PointF(14, 115));
            g.DrawString("杜润龙", 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("411024198806021230", fn, Brushes.Black, new PointF(90, 175));
            g.DrawString("考试级别", fn, Brushes.Black, new PointF(14, 205));
            g.DrawString("电子设计助理工程师", fn, Brushes.Black, new PointF(90, 205));
            g.DrawString("考试科目", fn, Brushes.Black, new PointF(14, 235));
            g.DrawString("综合知识", fn, Brushes.Black, new PointF(90, 235));
            g.DrawString("实际操作", fn, Brushes.Black, new PointF(220, 235));
            g.DrawString("考试时间", fn, Brushes.Black, new PointF(14, 265));
            g.DrawString("09-05-25 PM 8:00", fn, Brushes.Black, new PointF(90, 265));
            g.DrawString("09-05-25 PM 8:00", fn, Brushes.Black, new PointF(220, 265));
            g.DrawString("学校名称", fn, Brushes.Black, new PointF(14, 295));
            g.DrawString("北京工业大学", fn, Brushes.Black, new PointF(90, 295));
            g.DrawString("北京师范大学", fn, Brushes.Black, new PointF(220, 295));
            g.DrawString("考场编号", fn, Brushes.Black, new PointF(14, 323));
            g.DrawString("第一考场", fn, Brushes.Black, new PointF(90, 323));
            g.DrawString("第九考场", fn, Brushes.Black, new PointF(220, 323));
            g.DrawString("详细地址", fn, Brushes.Black, new PointF(14, 353));
            string dizhi = "北京市北京工业大学地址北京工业";
            int j = 335;    //初始坐标
            int j2 = 335;    //初始坐标
            for (int z = 0; z < 17; z += 8)  //循环次数 
            {
                int k = z + 10;  // 第一次为0时 
                if (k > dizhi.Length)  //k是否大于总字数
                {
                    k = dizhi.Length - k;  // 若大于比如k=45  dizhi.length=40  k=40-45    k=-5
                    int i = k + 10;      //i = -5+20  这样就不至于截取超出范围
                    g.DrawString(dizhi.Substring(z, i), fn, Brushes.Black, new PointF(90, j += 18));
                    break;
                }
                g.DrawString(dizhi.Substring(z, 8), fn, Brushes.Black, new PointF(90, j += 18));
            }
            string dizhi2 = "北京市北京师范大学地址北京师范";
            for (int z2 = 0; z2 < 17; z2 += 8)  //循环次数 
            {
                int k2 = z2 + 10;  // 第一次为0时 
                if (k2 > dizhi2.Length)  //k是否大于总字数
                {
                    k2 = dizhi2.Length - k2;  // 若大于比如k=45  dizhi.length=40  k=40-45    k=-5
                    int i2 = k2 + 10;      //i = -5+20  这样就不至于截取超出范围
                    g.DrawString(dizhi2.Substring(z2, i2), fn, Brushes.Black, new PointF(220, j2 += 18));
                    break;
                }
                g.DrawString(dizhi2.Substring(z2, 8), fn, Brushes.Black, new PointF(220, j2 += 18));
            }
            //产生杂点
            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()));
            }
            //产生随机曲线
            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);
            }
            //画横线
            g.DrawLine(new Pen(Color.Black), 10, 75, 341, 75);      //1
            g.DrawLine(new Pen(Color.Black), 10, 105, 243, 105);    //2
            g.DrawLine(new Pen(Color.Black), 10, 135, 243, 135);    //3
            g.DrawLine(new Pen(Color.Black), 10, 165, 243, 165);    //4
            g.DrawLine(new Pen(Color.Black), 10, 195, 341, 195);    //5
            g.DrawLine(new Pen(Color.Black), 10, 197, 341, 197);    //5
            g.DrawLine(new Pen(Color.Black), 10, 225, 341, 225);    //6
            g.DrawLine(new Pen(Color.Black), 10, 255, 341, 255);    //7
            g.DrawLine(new Pen(Color.Black), 10, 285, 341, 285);    //8
            g.DrawLine(new Pen(Color.Black), 10, 315, 341, 315);    //9
            g.DrawLine(new Pen(Color.Black), 10, 345, 341, 345);    //10
            //画竖线
            g.DrawLine(new Pen(Color.Black), 80, 75, 80, 392);      //11
            g.DrawLine(new Pen(Color.Black), 82, 75, 82, 392);      //12
            g.DrawLine(new Pen(Color.Black), 210, 225, 210, 392);   //13
            g.DrawLine(new Pen(Color.Black), 243, 75, 243, 195);    //14
            //画方框
            g.DrawRectangle(new Pen(Color.Black), 10, 10, 331, 382);
            g.DrawRectangle(new Pen(Color.Black), 7, 7, 338, 388);
            //填充图像
            System.Drawing.Image newimage = System.Drawing.Image.FromFile(Server.MapPath(@"~\image\308329547.gif"));
            //图像定位
            g.DrawImage(newimage, 248, 80, 89, 111);
            //释放图像缓存
            g.Dispose();
            //定义产生图片格式
            Response.ContentType = "image/Jpeg";
            bt.Save(Response.OutputStream, ImageFormat.Jpeg);
            //创建文件夹
            string WenJanpath = Server.MapPath(@"~\zkz_image");
            if (!Directory.Exists(WenJanpath))
            {
                Directory.CreateDirectory(WenJanpath);
            }
            //图片自动保存路径
            bt.Save(Server.MapPath(@"~\zkz_image\杜润龙的准考证" + DateTime.Now.ToString("yyyy-MM-dd") + ".jpg"), ImageFormat.Jpeg);
            //释放位图缓存
            bt.Dispose();
            string lujing = Server.MapPath(@"~\zkz_image\杜润龙的准考证" + DateTime.Now.ToString("yyyy-MM-dd") + ".jpg");
            Image1.ImageUrl = lujing;