package jbit.io; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; public class InputAndOutputFile { public static void main(String[] args) { FileInputStream fis=null; FileOutputStream fos=null; try { //1、创建输入流对,负责读取D:/ 我的青春谁做主.txt文件 fis = new FileInputStream("D:/我的青春谁做主.txt"); //2、创建输出流对象 fos = new FileOutputStream("C:/myFile/myPrime.txt",true); //3、创建中转站数组,存放每次读取的内容 byte[] words=new byte[1024]; //4、通过循环实现文件读取 while((fis.read())!=-1){ fis.read(words); fos.write(words, 0, words.length); } System.out.println("复制完成,请查看文件!"); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); }finally{ //5、关闭流 try { if(fos!=null) fos.close(); if(fis!=null) fis.close(); } catch (IOException e) { e.printStackTrace(); } } } }