很好啊，谢谢楼主。

Thanks  a   lot!

要学习了，谢谢大家的分享，很适用

真是太感谢了，刚好可以帮上我的忙艾

thanks very much

thanks very much

thanks very much

thanks very much

thanks very much

虽然是好东西，但如果免费就更好了。主要讲的是open和close的用法