/**
	 * 
	 * 删除指定文件夹下所有文件
	 * 
	 * @param path
	 *            文件夹完整绝对路径
	 * 
	 */
	public static boolean delAllFile(String path) throws Exception {
		boolean flag = false;
		File file = new File(path);
		if (!file.exists()) {
			return flag;
		}
		if (!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()) {
				temp.delete();
			}
			if (temp.isDirectory()) {
				// 先删除文件夹里面的文件
				delAllFile(path + "/" + tempList[i]);
				// 再删除空文件夹
				delFolder(path + "/" + tempList[i]);
				flag = true;
			}
		}
		return flag;
	}