效果图:
[img]http://dl.iteye.com/upload/attachment/613889/b1de3973-1a9e-3143-8e43-6afb44b9f736.jpg[/img]
[img]http://dl.iteye.com/upload/attachment/613891/f0af1cae-749f-3e13-af0f-c1fe8419c880.jpg[/img]

代码:

[url]http://dl.iteye.com/topics/download/36181834-a54b-3eb5-b78a-3f8628320433[/url]