file复制

<strong><span style="font-family:KaiTi_GB2312;font-size:18px;">package com.hfxt;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;//读写操作public class Test {public static void main(String[] args) {FileInputStream fis = null;FileOutputStream fos = null;try {//获取要读取的文件路径fis = new FileInputStream("D:/我的青春谁做主.txt");//获取要写入的文件路径,加上true就不会覆盖原内容fos = new FileOutputStream("F:/fangchen/test.txt",true);//定义个数组存储内容byte [] words = new byte[1000]; int len = 0;//如果没有读取到末尾就一直读取while((len=fis.read(words))!=-1){//写入文件fos.write(words,0,len);}System.out.println("文件复制完成！");} catch (FileNotFoundException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}finally{try {fos.close();} catch (IOException e1) {e1.printStackTrace();}try {fis.close();} catch (IOException e) {e.printStackTrace();}}}}</span></strong>