java实现读取、删除文件夹下的文件

package test.com; import java.io.File;import java.io.FileNotFoundException;import java.io.IOException; public class ReadFile {  public ReadFile() {  }  /**   * 读取某个文件夹下的所有文件   */  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(file.getName());           } else if (file.isDirectory()) {              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(readfile.getName());                   } else if (readfile.isDirectory()) {                      readfile(filepath + "//" + filelist[i]);                  }              }           }       } catch (FileNotFoundException e) {          System.out.println("readfile()  Exception:" + e.getMessage());      }      return true;  }   /**   * 删除某个文件夹下的所有文件夹和文件   */        /*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;  }*/     public static void main(String[] args) {      try {          readfile("C://Users//SW//Desktop//SKJ_H25正//004_RCAG//003_SKJ");          // deletefile("D:/file");      } catch (FileNotFoundException ex) {      } catch (IOException ex) {      }      System.out.println("ok");  } }

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: 读取和删除文件夹下的所有文件 * */public class TestReadFile {	/**	 * 获取工程的WebRoot的绝对路径	 * @return	 */	String getProjectPath(){		//得到形如"/d:/${workspace}/${projectName}/WebRoot/WEB-INF/classes/"的 路径    String path=this.getClass().getResource("/").getPath();    //从路径字符串中取出工程路径    path=path.substring(1, path.indexOf("WEB-INF/classes"));    System.out.println("工程路径："+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();		}	}	/**	 * 读取指定路径文件夹下的所有文件	 * @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相对路径=" + file.getPath());				System.out.println("/t绝对路径=" + file.getAbsolutePath());				System.out.println("/t文件全名=" + file.getName());			} else if (file.isDirectory()) {				System.out.println("/n文件夹内文件列表信息：");				File[] fileList = file.listFiles();				for (int i = 0; i < fileList.length; i++) {					File readfile = fileList[i];					if (!readfile.isDirectory()) {						System.out.println("/n/t相对路径=" + readfile.getPath());						System.out.println("/t绝对路径=" + 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;	}	/**	 * 删除某个文件夹下的所有文件夹和文件	 * @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("相对路径=" + delfile.getPath());						System.out.println("绝对路径=" + delfile.getAbsolutePath());						System.out.println("文件全名=" + delfile.getName());						delfile.delete();						System.out.println("删除文件成功");					} else if (delfile.isDirectory()) {						deleteFile(fileList[i].getPath());					}				}				file.delete();			}		} catch (FileNotFoundException e) {			System.out.println("deletefile()  Exception:" + e.getMessage());		}		return true;	}}