【java文件字节流复制】
import java.io.*;
public class FileCopy {
public static void main(String[] args) {
// 源文件路径和目标文件路径
String sourceFilePath = "sourceFile.txt";
String destinationFilePath = "destinationFile.txt";
try {
// 创建输入流和输出流
FileInputStream fis = new FileInputStream(sourceFilePath);
FileOutputStream fos = new FileOutputStream(destinationFilePath);
// 读取源文件的字节并写入目标文件
int byteRead;
while ((byteRead = fis.read()) != -1) {
fos.write(byteRead);
}
// 关闭流
fis.close();
fos.close();
System.out.println("文件复制成功！");
} catch (IOException e) {
System.out.println("文件复制失败：" + e.getMessage());
}
}
}