<form id="hz9zz"></form>
    • <form id="hz9zz"></form>
    

      

      <nobr id="hz9zz"></nobr>
      <form id="hz9zz"></form>
      3.   
          
      明輝手游網中心：是一個免費提供流行視頻軟件教程、在線學習分享的學習平臺！
                   
        
                           
        
                        		  
        
                 
              
                
      asp+文件上傳增強案例
                
                  發表時間：2023-08-08             來源：明輝站整理相關軟件相關文章人氣：          
              
      [摘要]按實際上傳時的文件名稱保存（不在是test.jpg了）圖片可以改大小，圖上寫字（可選字體，我設的全是中文，^_^。大�。�，沒有解決字體顏色問題。 <%@ Page Language="...
      按實際上傳時的文件名稱保存（不在是test.jpg了）圖片可以改大小，圖上寫字（可選字體，我設的全是中文，^_^。大
      �。瑳]有解決字體顏色問題。 
      <%@ 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="上傳文件名："+filename1+"<br>";
      UploadFile.PostedFile.SaveAs(Server.MapPath(filename1));
      ImageEditor.Visible = true;
      dis.Text+="文件大�。�"+UploadFile.PostedFile.ContentLength+"字節數";
      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>黑體</asp:listitem>
      <asp:listitem>仿宋</asp:listitem>
      <asp:listitem>隸書</asp:listitem>
      <asp:listitem>楷書</asp:listitem>
      <asp:listitem>方正姚體</asp:listitem>
      <asp:listitem>華文彩云</asp:listitem>
      </asp:dropdownlist>

      <asp:button Text="Update Image" OnClick="UpdateBtn_Click" runat=server/>
      </h3> 
      </asp:panel>
      </form>
      </body>
      </html>




              
              
                 
              
                                            
                              		       
                          
                           		  
        
                            
      
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