package com.aini;

//流类rr

//流操作的步骤：

/*1.找到指定File

 2.实例化字节流、InputStream/OutputStream/Reader/Writer

 3.读/写文件

 4.关闭文件*/

import java.io.*;

public class yitop {

	public static void main(String[] args) {

		String c = null;

		BufferedReader bf = null;

		BufferedWriter bw = null;

		try {

			bf = new BufferedReader(new InputStreamReader(new FileInputStream(

					"txt.txt")));

			bw = new BufferedWriter(new OutputStreamWriter(

					new FileOutputStream("dfas.txt")));

			while ((c = bf.readLine()) != null) {

				// 将字符串写入文件

				bw.write(c);

				System.out.println(c);

			}

			bw.close();

			bf.close();

		} catch (FileNotFoundException e) {

			System.out.println("找不到指定文件");

		} catch (Exception e) {

			System.out.println("文复制错误");

		}

		System.out.println("文件已复制");

	}

}