upbean.java

java调用poi实现excel文件的读取和写入

package com.service.impl;
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("f:\\test.xls"))); 

	ServletInputStream in = request.getInputStream(); 



	int i = in.read(); 

	while (i != -1) { 

	pw.print((char) i); 

	i = in.read(); 

	} 

	pw.close(); 

	} 


}