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名片设计 CorelDRAW Illustrator AuotoCAD Painter 其他软件 Photoshop Fireworks Flash |
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按实际上传时的文件名称保存（不在是test.jpg了）图片可以改大小，图上写字（可选字体，我设的全是中文，^_^。大小），没有解决字体颜色问题。 <%@ Page Language="c#" Debug="true" Trace="true"%> <%@ Import Namespace="System.IO" %> <%@ Import Namespace="System.Drawing" %> <%@ Import Namespace="System.Drawing.Imaging" %> <html> <script runat =server> void UploadBtn_Click(Object sender, EventArgs e) { String filename; String filename1; String[] filename2; int q; filename=UploadFile.PostedFile.FileName ; filename2=filename.Split(new Char[] {\\'\\\\'}); q=filename2.GetUpperBound(0); filename1=filename2[q]; dis.Text="上传文件名："+filename1+"<br>"; UploadFile.PostedFile.SaveAs(Server.MapPath(filename1)); ImageEditor.Visible = true; dis.Text+="文件大小："+UploadFile.PostedFile.ContentLength+"字节数"; Image1.Src=filename1; } void UpdateBtn_Click(Object sender, EventArgs e) { String filename1; filename1=Image1.Src; System.Drawing.Image image = System.Drawing.Image.FromFile(Server.MapPath(filename1)); System.Drawing.Image newimage = new Bitmap(image.Width, image.Height, PixelFormat.Format32bppRGB); Graphics g = Graphics.FromImage(newimage); g.DrawImage(image,0,0,image.Width,image.Height); Font f = new Font(FontType.SelectedItem.Text, Int32.Parse(FontSize.SelectedItem.Text)); Brush b = new SolidBrush(Color.Red); g.DrawString(Caption.Text, f, b, 10, 140); g.Dispose(); System.Drawing.Image thumbImage = newimage.GetThumbnailImage(Int32.Parse(Width.Text),Int32.Parse(Height.Text),null,0); image.Dispose(); thumbImage.Save(Server.MapPath(filename1), ImageFormat.JPEG); Image1.Src=filename1; Caption.Text=""; } </script> <body> <asp:label id="dis" runat=server/> <form enctype="multipart/form-data" runat=server> <h3> Select File To Upload: <input id="UploadFile" type=file runat=server> <asp:button Text="Upload Me!" OnClick="UploadBtn_Click" runat=server/> <hr> <asp:panel id="ImageEditor" Visible=false runat=server> <img ID="Image1" src="" runat="server"/> <h3> Image Width: <asp:textbox id="Width" runat=server/> Image Height: <asp:textbox id="Height" runat=server/> <br> Text Caption: <asp:textbox id="Caption" runat=server/> Caption Size: <asp:dropdownlist id="FontSize" runat=server> <asp:listitem>14</asp:listitem> <asp:listitem>18</asp:listitem> <asp:listitem>26</asp:listitem> <asp:listitem>36</asp:listitem> <asp:listitem>48</asp:listitem> <asp:listitem>62</asp:listitem> </asp:dropdownlist> Caption Font: <asp:dropdownlist id="FontType" runat=server> <asp:listitem>黑体</asp:listitem> <asp:listitem>仿宋</asp:listitem> <asp:listitem>隶书</asp:listitem> <asp:listitem>楷书</asp:listitem> <asp:listitem>方正姚体</asp:listitem> <asp:listitem>华文彩云</asp:listitem> </asp:dropdownlist> <asp:button Text="Update Image" OnClick="UpdateBtn_Click" runat=server/> </h3> </asp:panel> </form> </body> </html> 返回类别: 教程 上一教程: 文本中首字母全改为大写 下一教程: ASP.NET升级能力探讨(二) 您可以阅读与"asp+文件上传增强实例"相关的教程: · ASP无组件文件上传的实例 · ASP文件上传原理分析及实现实例 · 中文的无组件文件上传ASP函数 · ASP实例:6行代码实现无组件上传 · 利用ASP.NET设计FTP文件上传(中) |
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