http://www.elevateweb.co.uk/image-zoom/examples
<img id="zoom_05" src="small/image1.png" data-zoom-image="large/image1.jpg"/>$("#zoom_05").elevateZoom({
zoomType : "inner",
cursor: "crosshair"
});原文：https://www.cnblogs.com/haoxuanchen2014/p/9924620.html