[翻译]运用HtmlInputFile服务器控件上传多个文件

 1 <% @ Page language="c#" Codebehind="WebForm1.aspx.cs" AutoEventWireup="false" 
 2Inherits="MultipleUpload.WebForm1"  %>
 3 <! DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"  >
 4 < HTML >
 5    < HEAD >
 6      < title > WebForm1 </ title >
 7      < meta  name ="GENERATOR"  Content ="Microsoft Visual Studio .NET 
 8
 9 7.1" >
10      < meta  name ="CODE_LANGUAGE"  Content ="C#" >
11      < meta  name ="vs_defaultClientScript"  content ="JavaScript" >
12      < meta  name ="vs_targetSchema"  
13     content ="http://schemas.microsoft.com/intellisense/ie5" >
14    </ HEAD >
15    < body  MS_POSITIONING ="GridLayout" >
16      < form  id ="Form1"  method ="post"  runat ="server" >
17        < asp:Button  id ="Button1"  style ="Z-INDEX: 101; LEFT: 280px; 
18         POSITION: absolute; TOP: 101px"  runat ="server"  Text ="Batch Upload"   />
19         < div  id ="Div1"  runat ="server"  style ="Z-INDEX:102;LEFT:165px;WIDTH:1026px;
20        POSITION:absolute;TOP:7px;HEIGHT:19px" >
21            < INPUT  id ="FileUpload1"  style ="WIDTH: 389px; HEIGHT: 22px"  
22             type ="file"  size ="45"  runat ="server" >
23            < asp:Label  id ="Label1"  runat ="server"  Width ="598px"  
24             ForeColor ="Red"   />
25         </ div >
26         < div  id ="Div2"  runat ="server"  style ="Z-INDEX:103;LEFT:166px;WIDTH:1026px;
27        POSITION:absolute;TOP:38px;HEIGHT:19px" >
28            < INPUT  style ="WIDTH: 389px; HEIGHT: 22px"  type ="file"  
29           size ="45"  runat ="server"  id ="FileUpload2" >
30            < asp:Label  id ="Label2"  runat ="server"  Width ="357px"  
31           ForeColor ="Red"   />
32          </ div >
33         < div  id ="Div3"  runat ="server"  style ="Z-INDEX:104;LEFT:166px;WIDTH:1026px;
34        POSITION:absolute;TOP:68px;HEIGHT:19px" >
35            < INPUT  style ="WIDTH: 389px; HEIGHT: 22px"  type ="file"  
36           size ="45"  runat ="server"  id ="FileUpload3" >
37            < asp:Label  id ="Label3"  runat ="server"  Width ="361px"  
38           ForeColor ="Red"   />
39         </ div >
40      </ form >
41    </ body >
42 </ HTML >
43

 1 HttpFileCollection uploadFilCol  =  Request.Files;
 2 for ( int  i = 0 ;i < uploadFilCol.Count;i ++ )
 3 {
 4  HttpPostedFile file = uploadFilCol[i];
 5  string fileExt = Path.GetExtension(file.FileName).ToLower();
 6  string fileName = Path.GetFileName(file.FileName);
 7  if(fileName != string.Empty)
 8  {
 9    try
10    {
11      if(fileExt == ".jpg" || fileExt == ".gif")
12      {
13        file.SaveAs(Server.MapPath("./Images/") + fileName);
14      }
15      else
16      {
17        file.SaveAs(Server.MapPath("./Others/") + fileName);
18      }
19    }
20    catch(Exception ex)
21    {
22      throw ex;
23    }
24  }
25}

 1 private   void  ShowMessage( string  message,  int  fileUploadPos )
 2 {
 3  if(fileUploadPos ==0)
 4  {
 5    Label1.Text = message;
 6  }
 7  else
 8  {
 9    if(fileUploadPos ==1)
10    {
11      Label2.Text = message;
12    }
13    else
14    {
15      Label3.Text = message;
16    }
17  }
18}

 1 HttpFileCollection uploadFilCol  =  Request.Files;
 2 for ( int  i = 0 ;i < uploadFilCol.Count;i ++ )
 3 {
 4  HttpPostedFile file = uploadFilCol[i];
 5  string fileExt = Path.GetExtension(file.FileName).ToLower();
 6  string fileName = Path.GetFileName(file.FileName);
 7  if(fileName != string.Empty)
 8  {
 9    try
10    {
11      if(fileExt == ".jpg" || fileExt == ".gif")
12      {
13        file.SaveAs(Server.MapPath("./Images/") + fileName);
14        this.ShowMessage(" " + fileName + " Successfully Uploaded",i);
15      }
16      else
17      {
18        file.SaveAs(Server.MapPath("./Others/") + fileName);
19        this.ShowMessage(" " + fileName + " Successfully Uploaded",i);
20      }
21    }
22    catch(Exception ex)
23    {
24      this.ShowMessage(" " + ex.Message, i);
25    }
26  }
27}