js代码:
function bb_img_onmousewheel(e, o) { ???var zoom = parseInt(o.style.zoom, 10) || 100; ???zoom += event.wheelDelta / 12; ???if (zoom > 0) o.style.zoom = zoom + ‘%‘; ???return false;}图片html标签:
<img onmousedown="if(self.startMove)startMove(this,event)" onmousewheel="return bb_img_onmousewheel(event,this)" style="cursor: move; zoom: 80%;" src="" width="600px" />
js控制图片放大缩小的简易版
原文地址：http://www.cnblogs.com/Alex-zqzy/p/7698824.html