import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;/*** * @author ahomeeye* *         2012-7-26 下午3:50:50 文件操作工具类*/
public class FileUtil {// 保存文件public static void saveFile(String newsRootPath, String filename,File picFile) {try {File newsFileRoot = new File(newsRootPath);if (!newsFileRoot.exists()) {newsFileRoot.mkdirs();}FileOutputStream fos = new FileOutputStream(newsRootPath + filename);FileInputStream fis = new FileInputStream(picFile);byte[] buf = new byte[1024];int len = 0;while ((len = fis.read(buf)) > 0) {fos.write(buf, 0, len);}if (fis != null)fis.close();if (fos != null)fos.close();} catch (Exception ex) {ex.printStackTrace();}}// 删除文件public static boolean deleteFile(String filePath) {boolean flag = false;File file = new File(filePath);// 路径为文件且不为空则进行删除if (file.isFile() && file.exists()) {file.delete();flag = true;}return flag;}// 删除文件与目录public static boolean deleteFolder(String filePath) {boolean flag = false;File file = new File(filePath);// 判断目录或文件是否存在if (!file.exists()) { // 不存在返回 falsereturn flag;} else {// 判断是否为文件if (file.isFile()) { // 为文件时调用删除文件方法return deleteFile(filePath);} else { // 为目录时调用删除目录方法return deleteDirectory(filePath);}}}// 删除目录public static boolean deleteDirectory(String filePath) {boolean flag = false;// 如果sPath不以文件分隔符结尾，自动添加文件分隔符if (!filePath.endsWith(File.separator)) {filePath = filePath + File.separator;}File dirFile = new File(filePath);// 如果dir对应的文件不存在，或者不是一个目录，则退出if (!dirFile.exists() || !dirFile.isDirectory()) {return false;}flag = true;// 删除文件夹下的所有文件(包括子目录)File[] files = dirFile.listFiles();for (int i = 0; i < files.length; i++) {// 删除子文件if (files[i].isFile()) {flag = deleteFile(files[i].getAbsolutePath());if (!flag)break;} // 删除子目录else {flag = deleteDirectory(files[i].getAbsolutePath());if (!flag)break;}}if (!flag)return false;// 删除当前目录if (dirFile.delete()) {return true;} else {return false;}}}