图片lightbox2

1. 官网下载

http://lokeshdhakar.com/projects/lightbox2/

2.引入 css  jquery  js

3. HTML格式

<a href="images/image-2.jpg" data-lightbox="roadtrip">  <img src='Image #1'>  </a>
<a href="images/image-3.jpg" data-lightbox="roadtrip">  <img src='Image #2'>  </a>
<a href="images/image-4.jpg" data-lightbox="roadtrip">  <img src='Image #3'>  </a>