uploadbean.java

自己没有弄懂的代码 应该是一个系统的 高手下了

/*
 * Created on 2005-12-7
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package MyBean;

/**
 * @author Administrator
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */

import  java.io.*;
import javax.servlet.http.HttpServletRequest;
public class uploadBean {
	 public void doUpload(HttpServletRequest request) throws 
     IOException { 
	          //String filename=(String)session.getId();
	          File tempf=new File("D:\\JAVA\\Tomcat\\webapps\\fileup","2");
	          int n;
	          try
	          {
	              InputStream in=request.getInputStream();
	              BufferedInputStream my_in=new BufferedInputStream(in);
	              FileOutputStream fout=new FileOutputStream(tempf);
	              BufferedOutputStream my_out=new BufferedOutputStream(fout);
	              byte[] b=new byte[10000];
	              while((n=my_in.read(b))!=-1)
	              {
	                   my_out.write(b,0,n);
	              }
	              my_out.flush();
	              my_out.close();
	              fout.close();
	              my_in.close();
	              in.close();
	              //out.print("文件上传成功!<br>");
	          }
	          catch(IOException e)
	          {
	              //out.print("文件上传失败!");
	          }
	 }

}