loadfileservelt.java

一个jsp上传文件的servlet程序

import java.io.*;
import javax.servlet.ServletException;
import javax.servlet.http.*;
public class LoadFileServelt extends HttpServlet {
	  public void doPost( HttpServletRequest request, HttpServletResponse response )
	  throws ServletException, IOException
	  {
          InputStream in=request.getInputStream();
          File fp=new File("E:/work/UpLoadAndDownd","b.txt");
          FileOutputStream out=new FileOutputStream(fp);
          byte b[]=new byte[1000];
          int n;
         
          while( (n=in.read(b))!=-1)
          {
        	  out.write(b,0,n);
          }
          out.close();
          in.close();
          //response.sendRedirect("a.html");
      }
	  
}