下载jsmartcom_zh_CN.rar
上传测试：JSP
<% @ page contentType = " text/html;charset=GBK " %>
< html >
< head >
< title > File Upload </ title >
</ head >
< body >
< font  size =5  color =#FF0000 >   < b > 文件上传----使用jspsmart upload组件 </ b >   </ font >
< br >

< form  action ="uploadfile"  method ="post"  enctype ="multipart/form-data" >
< p > 文件名称：  < input  type ="file"  name ="file1"  size ="20"  maxlength ="80" >
</ p >
< p > 文件名称：  < input  type ="file"  name ="file2"  size ="20"  maxlength ="80" >
</ p >
< p > 文件名称：  < input  type ="file"  name ="file3"  size ="20"  maxlength ="80" >
</ p >
< p > 上传路径：  < input  type ="text"  name ="path"  size ="30"  maxlength ="50" >< br >
</ p >

< p > 附加内容:  < input  type ="text"  name ="other"  size ="30"  maxlength ="50" >
</ p >
< p >< input  type ="submit"  value ="上传" >   < input  type ="reset"
 value ="重置" ></ p >
</ form >

< font  size =5  color =#FF0000 >   < b > 文件下载----使用jspsmart upload组件 </ b >   </ font >
< br >
< form  action ="downloadfile"  method ="post" >
< p > 下载文件的名称：  < input  type ="text"  name ="downloadFileName"  size ="20"
 maxlength ="80" ></ p >
< input  type ="submit"  value ="下载" >
</ body >
</ form >
</ html >

两个Servlet： ServletUpload 和ServletDownload

public   class  ServletUpload  extends  HttpServlet {
  private  ServletConfig config;

  final   public   void  init(ServletConfig config)  throws  ServletException {
   this .config  =  config;
 }
  protected   void  doGet(HttpServletRequest request,
   HttpServletResponse response)  throws  ServletException, IOException {
   //  TODO Auto-generated method stub
  PrintWriter out  =  response.getWriter();
  out.println( " <HTML> " );
  out.println( " <BODY BGCOLOR='white'> " );
  out.println( " <H1>jspSmartUpload : Servlet Sample</H1> " );
  out.println( " <HR> " );
   //  变量定义
   int  count  =   0 ;
  SmartUpload mySmartUpload  =   new  SmartUpload();
   try  {
   mySmartUpload.initialize(config, request, response);
   mySmartUpload.upload();
    for  ( int  i  =   0 ; i  <  mySmartUpload.getFiles().getCount(); i ++ ) {
    com.jspsmart.upload.File myfile  =  mySmartUpload.getFiles().getFile(i);
    String fileName  =  myfile.getFileName();
    count  =  mySmartUpload.save( " /upload " );
     // count = mySmartUpload.save(null);
   }
   out.println(count  +   "  file uploaded. " );
  }  catch  (Exception e) {
   out.println( " Unable to upload the file.<br> " );
   out.println( " Error :  "   +  e.toString());
  }
  out.println( " </BODY> " );
  out.println( " </HTML> " );
 }
  protected   void  doPost(HttpServletRequest request,
   HttpServletResponse response)  throws  ServletException, IOException {
   //  TODO Auto-generated method stub
  doGet(request, response);
 }
}


public   class  ServletDownload  extends  HttpServlet {
  private  ServletConfig config;
  final   public   void  init(ServletConfig config)  throws  ServletException {
   this .config  =  config;
 }
  protected   void  doGet(HttpServletRequest request,
   HttpServletResponse response)  throws  ServletException, IOException {
  String temp_p  = request.getParameter( " downloadFileName " );
   byte [] temp_t = temp_p.getBytes( " ISO8859_1 " );
  String fileName = new  String(temp_t, " GBK " );
  SmartUpload mySmartUpload  =   new  SmartUpload();
   try  {
   mySmartUpload.initialize(config, request, response);
   mySmartUpload.setContentDisposition( null );
   mySmartUpload.downloadFile( " /upload/ " + fileName);
  }  catch  (Exception e) {
   e.printStackTrace();
  }
 }
  protected   void  doPost(HttpServletRequest request,
   HttpServletResponse response)  throws  ServletException, IOException {
   //  TODO Auto-generated method stub
  doGet(request, response);
 }
}

代码参照http://www.blogjava.net/hijackwust/archive/2007/08/22/138598.html