文件上传

 

jsp: <html:file property="file"/>

<input type=file name="aa">

document.getElementsbyid("aa") 是文件路径

 

form:  private  FormFile file;  加 get  and  set  方法

 

action： 

 

String encoding = request.getCharacterEncoding();  
         if ((encoding != null) && (encoding.equalsIgnoreCase("utf-8")))  
         {  
             response.setContentType("text/html; charset=gb2312");//如果没有指定编码，编码格式为gb2312  
         }
  FormFile file = uploadForm.getFile();

try 
         {         
             String filePath = this.getServlet().getServletContext().getRealPath("");  
             //filePath = tomcate/webapps
             InputStream stream = file.getInputStream();//把文件读入  
              
             /* 
              * 建立一个上传文件的输出流 如果是linux系统请把UploadFiles后的"//"换成"/" 
              */ 
             OutputStream bos = new FileOutputStream(filePath+file.getFileName()); 
              
             request.setAttribute("fileName",filePath + "/"  + file.getFileName()); 
             int bytesRead = 0; 
             byte[] buffer = new byte[8192]; 
             while ((bytesRead = stream.read(buffer, 0, 8192)) != -1) 
             { 
                 bos.write(buffer, 0, bytesRead);//将文件写入服务器 
       }            
             bos.close(); 
             stream.close(); 
              
         } catch (Exception e) 
         { 
             System.err.print(e); 
         }