if (FileUpload1.PostedFile.ContentType.ToLower().IndexOf("image") < 0)
2 {
3 FunctionUtility.JavaScriptHelper.Alert("上传的文件格式不正确！");
4 return;
5 }
6
7 Stream oStream = FileUpload1.PostedFile.InputStream;
8 System.Drawing.Image oImage = System.Drawing.Image.FromStream(oStream);
9
10 if(CheckBox1.Checked)
11 {
12 //加文字水印
13 Graphics g = Graphics.FromImage(oImage);
14 g.DrawImage(oImage, 0, 0, oImage.Width, oImage.Height);
15 Font f = new Font("Verdana",15);
16 Brush b = new SolidBrush(Color.White);
17 g.DrawString("
http://www.itwealth.cn制作", f, b, 0, oImage.Height - 30);
18 g.Dispose();
19 }
20 else
21 {
22 //加图片水印
23 System.Drawing.Image copyImage = System.Drawing.Image.FromFile(Server.MapPath("/DesignImages/Images/SYT/Admin.jpg"));
24 Graphics g = Graphics.FromImage(oImage);
25 g.DrawImage(copyImage, new Rectangle(oImage.Width - copyImage.Width, oImage.Height - copyImage.Height, copyImage.Width, copyImage.Height), 0, 0, copyImage.Width, copyImage.Height, GraphicsUnit.Pixel);
26 g.Dispose();
27 }
28
29 string setFileName = FunctionUtility.FileHelper.GetDateTimeFileName() + ".jpg";
30 string oFullName = Server.MapPath("/DesignImages/Images/SYT/" + setFileName);
31 oImage.Save(oFullName, System.Drawing.Imaging.ImageFormat.Jpeg);
32 oImage.Dispose();
33
34 Image1.Visible = true;
35 Image1.ImageUrl = "/DesignImages/Images/SYT/" + setFileName;
36 FunctionUtility.JavaScriptHelper.Alert("水印加载成功！");
