package com.test.tes;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.util.Date;

/**

 * 复制文件到指定目录下

 * @author Wdnncey

 *

 */

public class Copy {

     public static long forJava(File f1,File f2) throws Exception{

          long time=new Date().getTime();

          int length=2097152;

          FileInputStream in=new FileInputStream(f1);

          FileOutputStream out=new FileOutputStream(f2);

          byte[] buffer=new byte[length];

          while(true){

           int ins=in.read(buffer);

           if(ins==-1){

            in.close();

            out.flush();

            out.close();

            return new Date().getTime()-time;

           }else

            out.write(buffer,0,ins);

          }

         }

    public static void main(String[] args) {

        try {

            forJava(new File("1.zip"), new File("e:\\a\\b\\2.zip"));

        } catch (Exception e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

    }

}