Struts学习笔记：文件上传处理详解

  <%   
        //上传文件         需要   common-fileupload   组件   
        /*   
        String   up   =   request.getParameter("up");   
  if(up!=null&&up.equals("true")){   
  try{   
        String   temp   =   "c:\\";         //临时目录     
        String   strUp   =   request.getParameter("path"); //上传目标地址   
        if(strUp!=null&&!strUp.equals("")){   
  strUp   =   new   String(strUp.getBytes("ISO-8859-1"),   "GB2312");   
        }   
        DiskFileUpload   fu   =   new   DiskFileUpload();     
        fu.setSizeMax(1024*1024*1024);       //   设置允许用户上传文件大小,单位:字节     
        fu.setSizeThreshold(4096);               //   设置最多只允许在内存中存储的数据,单位:字节     
        fu.setRepositoryPath(temp);             //   设置一旦文件大小超过getSizeThreshold()的值时数据存放在硬盘的目录     
    
        //开始读取上传信息     
        List   fileItems   =   fu.parseRequest(request);     
        Iterator   iter   =   fileItems.iterator();           //   依次处理每个上传的文件     
        while(iter.hasNext())   {   
        FileItem   item   =   (FileItem)   iter.next();//   忽略其他不是文件域的所有表单信息     
        if(!item.isFormField()){     
  String   name   =   item.getName();               //获取上传文件名,包括路径     
  name   =   name.substring(name.lastIndexOf("\\")+1);//从全路径中提取文件名     
  long   size   =   item.getSize();     
  if((name==null||name.equals(""))   &&   size==0)     
  continue;     
  System.out.println(userIp+":上传文件："+name+"到"+strUp);//输出上传文件信息     
      
  File   fNew=   new   File(strUp,   name);