public ActionForward add(ActionMapping mapping, ActionForm form,

　　HttpServletRequest request, HttpServletResponse response) {

　　TruckBaseForm tbf = (TruckBaseForm)form;

　　FormFile filename = tbf.getFilename();

　　String tempname = "" ;

　　if ( filename.getFileName().trim().length() > 0 ){

　　// 取得上传时间

　　Date dt = new Date() ;

　　long updatetime=dt.getTime();

　　try{

　　//开始上传文件

　　String filePath = this.getServlet().getServletContext().getRealPath("/") ; //取得当前路径

　　InputStream stream = filename.getInputStream() ; //把文件读入

　　// ByteArrayOutputStream baos = new ByteArrayOutputStream() ;

　　int position = filename.getFileName().indexOf(".") ;

　　String type = filename.getFileName().substring(position);

　　tempname =updatetime+type ;

　　OutputStream bos = new FileOutputStream(filePath + "truckimg\\" + tempname ) ;

　　//request.setAttribute("fileName",filePath + "/" + CharFilter.toChinese((String)filename.getFileName()) ) ;

　　int bytesRead = 0 ;

　　byte[] buffer = new byte[8192] ;

　　while( (bytesRead = stream.read(buffer,0,8192) ) != -1 ){

　　bos.write(buffer,0,bytesRead) ;

　　}

　　bos.close();

　　stream.close() ;