工具方法 删除路径文件夹

删除文件夹及下面所有文件

public static void deleteDirectory(String path)
    {
        if (null == path)
        {
            path = "/sdcard/aico/res";
            index = 1;
        }
        File folder = new File(path);
        
        if (!folder.exists())
        {
            return;
        }
        if (folder.isFile())
        {
            folder.delete();
            return;
        }
        
        String[] tempList = folder.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]);
            }
            
            // 如果是文件，直接删除
            if (temp.isFile())
            {
                temp.delete();
            }
            // 如果是文件夹
            if (temp.isDirectory())
            {
                deleteDirectory(temp.getPath());
            }
            temp.delete();
        }
        folder.delete();
    }