废话不多说了，直接给大家贴代码了，具体代码如下所示：
<head><script src="js/jquery.min.js"></script><script src="js/jquery.menu.js"></script><style>body { margin:0 auto; background:none repeat scroll 0 0 #FCFCFC}.outer_container { height:200px; position:relative}.menu_button { position:absolute; bottom:0; left:0; border-radius:50%; height:36px; width:36px; border:4px solid #fff; box-shadow:rgba(0,0,0,.3) 0 3px 8px 0,rgba(0,0,0,.2) 0 0 0 1px,inset rgba(0,0,0,.3) 0 0 0 1px,inset rgba(255,255,255,.3) 0 1px 0 1px; text-indent:-99999px; overflow:hidden; background-color:#e34f3f; background-image:-moz-linear-gradient(top, #f76f54, #c61f1f); background-image:-ms-linear-gradient(top, #f76f54, #c61f1f); background-image:-webkit-gradient(linear,0 0,0 100%,from( #f76f54),to( #c61f1f)); background-image:-webkit-linear-gradient(top, #f76f54, #c61f1f); background-image:-o-linear-gradient(top, #f76f54, #c61f1f); background-image:linear-gradient(top, #f76f54, #c61f1f); background-repeat:repeat-x; filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#f76f54', endColorstr='#c61f1f', GradientType=0); z-index:9999; outline:0}.menu_button span { display:block; height:36px; width:36px; background:url("../images/cross.png") no-repeat center center; -webkit-transition:.4s ease; -moz-transition:.4s ease; -ms-transition:.4s ease; -o-transition:.4s ease; transition:.4s ease;background-size:20px 20px}.menu_option { bottom:18px; left:5px; position:absolute}.menu_option li { position:absolute; display:block; top:0; left:0; -webkit-transition:.3s; -moz-transition:.3s; -ms-transition:.3s; -o-transition:.3s; transition:.3s}.menu_option li a { position:relative; display:block; border-radius:50%; width:26px; height:26px; border:3px solid #fff; box-shadow:rgba(0,0,0,.4) 0 0 5px 0,rgba(0,0,0,.2) 0 0 0 1px,inset rgba(0,0,0,.5) 0 0 2px 0; text-indent:-99999px; overflow:hidden; background:#444}.menu_option li a span { background-attachment:scroll; background-clip:border-box; background-color:transparent; background-image:url("../images/usr.png"); background-origin:padding-box; background-position:center center; background-repeat:no-repeat; background-size:16px 16px; display:block; width:26px; height:26px; -webkit-transition:.4s ease; -moz-transition:.4s ease; -ms-transition:.4s ease; -o-transition:.4s ease; transition:.4s ease}.btn-rotate span { -webkit-transform:rotate(-135deg); -moz-transform:rotate(-135deg); -ms-transform:rotate(-135deg); -o-transform:rotate(-135deg); transform:rotate(-135deg)}</style></head><body><!-- 代码 开始 --> <div id="outer_container" class="outer_container" > <a class="menu_button" href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" title="Toggle"><span>Menu Toggle</span></a> <ul class="menu_option"> <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="_blank"><span>Item</span></a></li> <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="_blank"><span>Item</span></a></li> <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="_blank"><span>Item</span></a></li> <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="_blank"><span>Item</span></a></li> <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="_blank"><span>Item</span></a></li> </ul> </div><!-- 代码 结束 --><script>function PieMenuInit(){ $('#outer_container').PieMenu({ 'starting_angel':0, //起始角度 'angel_difference' : 90, //散开角度 'radius':100, //圆形弧度 }); }$(function() { PieMenuInit(); });</script></body>以上所述是小编给大家介绍的基于jQuery代码实现圆形菜单展开收缩效果，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对武林网网站的支持！
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