内容

编写MyCP.java 实现类似Linux下cp XXX1 XXX2的功能，要求MyCP支持两个参数：

java MyCP -tx XXX1.txt XXX2.bin 用来把文本文件（内容为十进制数字）转化为二进制文件

java MyCP -xt XXX1.bin XXX2.txt 用来二进制文件把转化为文本文件（内容为十进制数字）

import java.io.*;/***Created by xiang on 2018/6/10.*/public class MyCP {    public static void dumpToTwo(InputStream src, OutputStream dest)            throws IOException {        try (InputStream input = src; OutputStream output = dest) {            byte[] data = new byte[1];            int length;            while ((length = input.read(data)) != -1) {                String str = Integer.toBinaryString((data[0]&0xFF)+0x100).substring(1);//Byte.parseByte(Integer.toBinaryString(num)); //转换为二进制文件                data[0] = Byte.parseByte(str);                output.write(data, 0, length);            }        }    }    public static void dumpToTen(InputStream src, OutputStream dest)            throws IOException {        try (InputStream input = src; OutputStream output = dest) {            byte[] data = new byte[1];            int length;            while ((length = input.read(data)) != -1) {                data[0] = Byte.parseByte(String.valueOf(data[0]),10); //转换为十进制文件                output.write(data, 0, length);            }        }    }    public static void main(String[] args) {        FileInputStream fis = null;        FileOutputStream fos = null;        try {            fis = new FileInputStream("D:/Java/from.txt");            fos = new FileOutputStream("D:/Java/to.txt");            dumpToTen(fis, fos);        }catch(Exception e) {            System.out.println(e);        }    }}