怎样用JspSmartUpload实现文件上传攻略?
㈠   表单要求        
 对于上传文件的FORM表单,有两个要求:        
 1、METHOD应用POST,即METHOD= "POST "。        
 2、增加属性:ENCTYPE= "multipart/form-data "        
 下面是一个用于上传文件的FORM表单的例子:        
  <FORM   METHOD= "POST "   ENCTYPE= "multipart/form-data "    
 ACTION= "/jspSmartUpload/upload.jsp ">  
  <INPUT   TYPE= "FILE "   NAME= "MYFILE ">  
  <INPUT   TYPE= "SUBMIT ">  
  </FORM>           
 ㈡   上传的例子        
 1、上传页面upload.html        
 本页面提供表单,让用户选择要上传的文件,点击 "上传 "按钮执行上传操作。        
 页面源码如下:        
  <!-- 
             文件名:upload.html 
 	作      者:纵横软件制作中心雨亦奇(zhsoft88@sohu.com) 
 -->  
  <!DOCTYPE   HTML   PUBLIC    "-//W3C//DTD   HTML   4.01   Transitional//EN ">  
  <html>  
  <head>  
  <title> 文件上传 </title>  
  <meta   http-equiv= "Content-Type "   content= "text/html;   charset=gb2312 ">  
  </head>    
  <body>  
  <p>   </p>  
  <p   align= "center "> 上传文件选择 </p>  
  <FORM   METHOD= "POST "   ACTION= "jsp/do_upload.jsp " 
 ENCTYPE= "multipart/form-data ">  
  <input   type= "hidden "   name= "TEST "   value= "good ">  
        <table   width= "75% "   border= "1 "   align= "center ">  
              <tr>     
                    <td>  <div   align= "center "> 1、    
                                <input   type= "FILE "   name= "FILE1 "   size= "30 ">  
                          </div>  </td>  
              </tr>  
              <tr>     
                    <td>  <div   align= "center "> 2、    
                                <input   type= "FILE "   name= "FILE2 "   size= "30 ">  
                          </div>  </td>  
              </tr>  
              <tr>     
                    <td>  <div   align= "center "> 3、    
                                <input   type= "FILE "   name= "FILE3 "   size= "30 ">  
                          </div>  </td>  
              </tr>  
              <tr>     
                    <td>  <div   align= "center "> 4、    
                                <input   type= "FILE "   name= "FILE4 "   size= "30 ">