字节流文件拷贝工具类

 1 package cn.yschung.copyfile;
 2 
 3 import java.io.FileInputStream;
 4 import java.io.FileNotFoundException;
 5 import java.io.FileOutputStream;
 6 import java.io.IOException;
 7 
 8 public class PublicCopyClass {
 9     public static void main(String[] args) throws IOException {
10         copyfile("H:\\20.avi", "201.avi");
11     }
12 
13     public static void copyfile(String fisfile, String fosfile) throws IOException {
14         FileInputStream fis = new FileInputStream(fisfile);
15         FileOutputStream fos = new FileOutputStream(fosfile);
16 
17         int b = 0;
18         byte[] bye = new byte[1024];
19         while ((b = fis.read(bye)) != -1) {
20             fos.write(bye, 0, b);
21         }
22 
23     }
24 
25 }