J260713/授课代码/c260807/src/course/BufferedCopy.java

package course;

import java.io.*;

/**
 * @author WanJl
 * @version 1.0
 * @title BufferedCopy
 * @description
 * @create 2026/8/7
 */
public class BufferedCopy implements CopyFile{
    @Override
    public String copy(String src, String desc) throws IOException {
        //1、创建文件字节输出流和缓冲流对象
        FileOutputStream fos=new FileOutputStream(desc);
        BufferedOutputStream bos=new BufferedOutputStream(fos);
        //2创建文件字节输入流和缓冲流对象
        FileInputStream fis=new FileInputStream(src);
        BufferedInputStream bis=new BufferedInputStream(fis);
        byte[] bytes=new byte[8192];
        int count;
        while ((count=bis.read(bytes))!=-1){
            bos.write(bytes,0,count);
        }
        bis.close();
        fis.close();
        bos.close();
        fos.close();
        return "复制成功";
    }
}