package zuoye;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;

public class IoDemo {

public static void main(String[] args) {

	File file = new File("d:/zuoye");

	if(!file.exists())

	{

		file.mkdirs();

	}

	File f=new File("d:/zuoye/text.txt");

	try {

		FileOutputStream out=new FileOutputStream(f);

		String nr="galkjg oz a2raty2re6at56a51gva54ad";

		byte[] b=nr.getBytes();

		out.write(b);

		out.close();

		//读取text.txt内容,边读编写

		FileInputStream in=new FileInputStream("d:/zuoye/text.txt");

		byte[]b1=new byte[1024];

		int i=-1;

		FileOutputStream out1=new FileOutputStream("d:/zuoye/iodemo.txt");

		while((i=in.read(b1))>0)

		{

			out1.write(b1, 0, i);

		}

		out1.close();

		in.close();

	} catch (Exception e) {

		// TODO 自动生成的 catch 块

		e.printStackTrace();

	}

}

}