删除文件以及文件夹

public static boolean delFolder(String folderPath) {
   boolean flag = false;
   try {
      flag = delAllFile(folderPath); //删除完里面所有内容
      String filePath = folderPath;
      filePath = filePath.toString();
      File myFilePath = new File(filePath);
      flag = myFilePath.delete(); //删除空文件夹
   } catch (Exception e) {
      logger.info(e.getMessage());
   }
   return flag;
}
// 删除指定文件夹下的所有文件

public static boolean delAllFile(String path) {
   boolean flag = false;
   File file = new File(path);
   if (!file.exists() || !file.isDirectory()) {
      return flag;
   }
   String[] tempList = file.list();
   File temp = null;
   for (int i = 0; i < tempList.length; i++) {
      if (path.endsWith(File.separator)) {
         temp = new File(path + tempList[i]);
      } else {
         temp = new File(path + File.separator + tempList[i]);
      }
      if (temp.isFile()) {
         flag = temp.delete();
      }
      if (temp.isDirectory()) {
         flag = delAllFile(path + "/" + tempList[i]);//先删除文件夹里面的文件
         flag = delFolder(path + "/" + tempList[i]);//再删除空文件夹
      }
   }
   return flag;
}