upbean.java

一个例子

import  java.io.*;    

import  javax.servlet.http.HttpServletRequest;    

import  javax.servlet.http.HttpServletResponse;    

import  javax.servlet.ServletInputStream;    



public  class  UpBean  {    



public  void  doUpload(HttpServletRequest  request)  throws    

IOException  {    

PrintWriter  pw  =  new  PrintWriter(    

new  BufferedWriter(new  FileWriter("test.txt")));    

ServletInputStream  in  =  request.getInputStream();    



int  i  =  in.read();    

while  (i  !=  -1)  {    

pw.print((char)  i);    

i  =  in.read();    

}    

pw.close();    

}    

}