java.se.io.3.文件拷貝

package com.knock.io;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import org.junit.Test;

/**
 * @date 160802am
 * 測試文件拷貝
 * */
public class KcCopyFile {
	@Test
	public void test(){
		InputStream is = null;
		OutputStream os = null;
		try {
			is = new FileInputStream("D:/test/1.jpg");
			os = new FileOutputStream("E:/test/1.jpg");
			byte[] car = new byte[1024];
			int len;
			while(-1!=(len=(is.read(car)))){
				os.write(car, 0, len);
			}
			os.flush();
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}finally{
			try {
				if(null!=os){
					os.close();
				}
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}
}