java复制源路径内所有文件到目标路径

转载地址：https://www.cnblogs.com/Java-biao/p/11266618.html

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Scanner;

public class CopyFile {
     
	public static void main(String[] args) {
     
		Scanner scanner = new Scanner(System.in);
		System.out.print("源路径：");
		String sourcePath = scanner.nextLine();
		System.out.print("目标路径：");
		String newPath = scanner.nextLine();
		copyDir(sourcePath, newPath);
	}

	// 文件夹的拷贝
	public static void copyDir(String sourcePath, String newPath) {
     
		File start = new File(sourcePath);
		File end = new File(newPath);
		String[] filePath = start.list(); // 获取该文件夹下的所有文件以及目录的名字
		if (!end.exists()) {
     
			end.mkdir();
		}
		for (String temp : filePath) {
     
			// 查看其数组中每一个是文件还是文件夹
			if (new File(sourcePath + File.separator + temp).isDirectory()) {
     
				// 为文件夹，进行递归
				copyDir(sourcePath + File.separator + temp, newPath
						+ File.separator + temp);
			} else {
     
				// 为文件则进行拷贝
				copyFile(sourcePath + File.separator + temp, newPath
						+ File.separator + temp);
			}
		}
	}

	// 文件的拷贝
	public static void copyFile(String sourcePath, String newPath) {
     
		File start = new File(sourcePath);
		File end = new File(newPath);
		try {
     
			BufferedInputStream bis=new BufferedInputStream(new FileInputStream(start));
			BufferedOutputStream bos=new BufferedOutputStream(new FileOutputStream(end));
			int len = 0;
			byte[] flush = new byte[1024];
			while((len=bis.read(flush)) != -1) {
     
				bos.write(flush, 0, len);
				bos.flush();
			}
		}catch(IOException e) {
     
			e.printStackTrace();
		}
	}
}