package com.itcast.demo02.InputStream;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

/**
 * @author newcityman
 * @date 2019/7/28 - 9:38
 * 题目要求：
 *         使用输入流和输出流的知识，复制文件从源文件路径到目标路径
 */
public class Demo03InputStream {
    public static void main(String[] args) throws IOException {
        long l = System.currentTimeMillis();
        FileInputStream fis = new FileInputStream("D:\\节日任务.docx");
        FileOutputStream fos = new FileOutputStream("F:\\1.docx");
        byte[] bytes = new byte[2048];
        int len = 0;
        while((len=fis.read(bytes))!=-1){
            fos.write(bytes,0,len);
        }
        fis.close();
        fos.close();
        long l1 = System.currentTimeMillis();
        System.out.println("总耗时："+(l1-l)+"毫秒");

    }
}