package com.enation.test.shop.cart;
import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.InputStream;
public class Test {
public static void main(String[] args) { // TODO Auto-generated method stub copyFile("D:/o2o/linux服务器数据实时同步技术.docx","D:/spring/linux服务器数据实时同步技术.docx");
}
public static void copyFile(String oldPath, String newPath) { try { int bytesum = 0; int byteread = 0; File oldfile = new File(oldPath); if (oldfile.exists()) { //文件存在时 InputStream inStream = new FileInputStream(oldPath); //读入原文件 FileOutputStream fs = new FileOutputStream(newPath); byte[] buffer = new byte[1444]; int length; while ( (byteread = inStream.read(buffer)) != -1) { bytesum += byteread; //字节数 文件大小 System.out.println(bytesum); fs.write(buffer, 0, byteread); } inStream.close(); } } catch (Exception e) { System.out.println("复制单个文件操作出错"); e.printStackTrace(); } } }