package com.io;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.FileNotFoundException;import java.io.IOException;public class Test2 {    /**     * @param args     * @throws IOException      */    public static void main(String[] args)  {               File file1 = new File("C:\\Users\\Coda\\Desktop\\google1.jpg");        File file2 = new File("C:\\Users\\Coda\\Desktop\\图片储存\\dd.jpg");                    CopyIt(file1,file2);            }        public static void CopyIt( File file1, File file2) {        FileInputStream fileInputStream;        try {            fileInputStream = new FileInputStream(file1);        } catch (FileNotFoundException e) {            System.out.println("文件路径错误");             throw new RuntimeException(e);        }        FileOutputStream fileOutputStream = null;        try {            fileOutputStream = new FileOutputStream(file2,true);        } catch (FileNotFoundException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }                byte[]b = new byte[2];        int count = 0;        try {            while((count = fileInputStream.read(b))!=-1){                  fileOutputStream.write(b);                  }        } catch (IOException e) {              System.out.println("写入文件失败");            throw new RuntimeException(e);                    } finally{              try {                fileOutputStream.close();            } catch (IOException e) {                System.out.println("文件正在运行，无法关闭");                throw new RuntimeException(e);            }               try {                fileInputStream.close();            } catch (IOException e) {                System.out.println("文件正在运行，无法关闭");                throw new RuntimeException(e);            }              System.out.println("文件复制成功");        }              }}