图片扩大技术门，类似于京东商城的图片移动扩大技术。-good

可以在网页上实现对小的预览图的放大效果（基于JQuery）-The web site on the amplification effect of small map

JQZoom allows you to realize a small magnifier window close to the image or images on your web page easily. I decided to build this jQuery plugin to embed detailed big images in my B2B. Now in few steps you can have your jQZoom in your website,eC