Java讀取和刪除文件夾下的所有文件

package otherstudy;

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

/**
 * @ClassName: TestReadFile
 * @CreateTime: Aug 1, 2014 11:42:44 AM
 * @Author: mayi
 * @Description: 讀取和刪除文件夾下的所有文件
 *
 */
public class TestReadFile {
	/**
	 * 獲取工程的WebRoot的絕對路徑
	 * @return
	 */
	String getProjectPath(){
		//得到形如"/d:/${workspace}/${projectName}/WebRoot/WEB-INF/classes/"的 路徑
        String path=this.getClass().getResource("/").getPath();
        //從路徑字符串中取出工程路徑
        path=path.substring(1, path.indexOf("WEB-INF/classes"));
        System.out.println("工程路徑："+path);
        return path;
	}
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		TestReadFile trf=new TestReadFile();
		String xmlPath =  trf.getProjectPath()+ "testDocs";
		try {
			readAllFile(xmlPath);
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	/**
	 * 讀取指定路徑文件夾下的所有文件
	 * @param filepath
	 * @return
	 * @throws FileNotFoundException
	 * @throws IOException
	 */
	public static boolean readAllFile(String filepath)
			throws FileNotFoundException, IOException {
		try {
			File file = new File(filepath);
			if (!file.isDirectory()) {
				System.out.println("\n文件信息：");
				System.out.println("\t相對路徑=" + file.getPath());
				System.out.println("\t絕對路徑=" + file.getAbsolutePath());
				System.out.println("\t文件全名=" + file.getName());

			} else if (file.isDirectory()) {
				System.out.println("\n文件夾內文件列表信息：");
				File[] fileList = file.listFiles();
				for (int i = 0; i < fileList.length; i++) {
					File readfile = fileList[i];
					if (!readfile.isDirectory()) {
						System.out.println("\n\t相對路徑=" + readfile.getPath());
						System.out.println("\t絕對路徑=" + readfile.getAbsolutePath());
						System.out.println("\t文件全名=" + readfile.getName());
					} else if (readfile.isDirectory()) {
						readAllFile(fileList[i].getPath());
					}
				}
			}
		} catch (FileNotFoundException e) {
			System.out.println("readfile()   Exception:" + e.getMessage());
		}
		return true;
	}

	/**
	 * 刪除某個文件夾下的所有文件夾和文件
	 * @param delpath
	 * @return
	 * @throws FileNotFoundException
	 * @throws IOException
	 */
	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");
				File[] fileList = file.listFiles();
				for (int i = 0; i < fileList.length; i++) {
					File delfile = fileList[i];
					if (!delfile.isDirectory()) {
						System.out.println("相對路徑=" + delfile.getPath());
						System.out.println("絕對路徑=" + delfile.getAbsolutePath());
						System.out.println("文件全名=" + delfile.getName());
						delfile.delete();
						System.out.println("刪除文件成功");
					} else if (delfile.isDirectory()) {
						deleteFile(fileList[i].getPath());
					}
				}
				file.delete();
			}
		} catch (FileNotFoundException e) {
			System.out.println("deletefile()   Exception:" + e.getMessage());
		}
		return true;
	}
}