file文件的复制拷贝

import java.io.*;public class FileCopyExample {public static void main(String[] args) {// 源文件和目标文件的路径File sourceFile = new File("源文件路径.txt");File destFile = new File("目标文件路径.txt");// 复制文件try (InputStream in = new FileInputStream(sourceFile);OutputStream out = new FileOutputStream(destFile);BufferedInputStream bis = new BufferedInputStream(in);BufferedOutputStream bos = new BufferedOutputStream(out)) {byte[] buffer = new byte[1024];int bytesRead;// 读取和写入文件while ((bytesRead = bis.read(buffer)) != -1) {bos.write(buffer, 0, bytesRead);}bos.flush(); // 确保所有数据都被写入System.out.println("文件拷贝成功！");} catch (IOException e) {System.err.println("文件操作异常: " + e.getMessage());}}
}