JAVA获取/删除文件夹及文件夹下所有文件

package hh.com.fileupload.servlet;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.File;

public class ReadFile {
	public ReadFile() {
	}

	/**
	 * 删除某个文件夹下的所有文件夹和文件
	 * 
	 * @param delpath String
	 * @throws FileNotFoundException
	 * @throws IOException
	 * @return boolean
	 */
	public static boolean deletefile(String delpath)
			throws FileNotFoundException, IOException {
		try {

			File file = new File(delpath);
			if (!file.isDirectory()) {
				System.out.println("1");
				file.delete();
			} else if (file.isDirectory()) {
				System.out.println("2");
				String[] filelist = file.list();
				for (int i = 0; i < filelist.length; i++) {
					File delfile = new File(delpath + "\\" + filelist[i]);
					if (!delfile.isDirectory()) {
						System.out.println("path=" + delfile.getPath());
						System.out.println("absolutepath="
								+ delfile.getAbsolutePath());
						System.out.println("name=" + delfile.getName());
						delfile.delete();
						System.out.println("删除文件成功");
					} else if (delfile.isDirectory()) {
						deletefile(delpath + "\\" + filelist[i]);
					}
				}
				file.delete();

			}

		} catch (FileNotFoundException e) {
			System.out.println("deletefile() Exception:" + e.getMessage());
		}
		return true;
	}

	/**
	 * 获取某个文件夹下的所有文件夹和文件
	 * 
	 * @param filepath String
	 * @throws FileNotFoundException
	 * @throws IOException
	 * @return boolean
	 */
	public static boolean readfile(String filepath)
			throws FileNotFoundException, IOException {
		try {

			File file = new File(filepath);
			if (!file.isDirectory()) {
				System.out.println("文件");
				System.out.println("path=" + file.getPath());
				System.out.println("absolutepath=" + file.getAbsolutePath());
				System.out.println("name=" + file.getName());

			} else if (file.isDirectory()) {
				System.out.println("文件夹");
				String[] filelist = file.list();
				for (int i = 0; i < filelist.length; i++) {
					File readfile = new File(filepath + "\\" + filelist[i]);
					if (!readfile.isDirectory()) {
						System.out.println("path=" + readfile.getPath());
						System.out.println("absolutepath="
								+ readfile.getAbsolutePath());
						System.out.println("name=" + readfile.getName());

					} else if (readfile.isDirectory()) {
						readfile(filepath + "\\" + filelist[i]);
					}
				}

			}

		} catch (FileNotFoundException e) {
			System.out.println("readfile() Exception:" + e.getMessage());
		}
		return true;
	}

	public static void main(String[] args) {
		try {
			readfile("D:/file");
			// deletefile("D:/file");
		} catch (FileNotFoundException ex) {
		} catch (IOException ex) {
		}
		System.out.println("ok");
	}

}