字节流文件拷贝工具类

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package cn.yschung.copyfile;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class PublicCopyClass {
    public static void main(String[] args) throws IOException {
        copyfile("H:\20.avi", "201.avi");
    }

    public static void copyfile(String fisfile, String fosfile) throws IOException {
        FileInputStream fis = new FileInputStream(fisfile);
        FileOutputStream fos = new FileOutputStream(fosfile);

        int b = 0;
        byte[] bye = new byte[1024];
        while ((b = fis.read(bye)) != -1) {
            fos.write(bye, 0, b);
        }

    }

}

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