html滑动仿悬浮球菜单效果的实现
css样式
html,body{
width: 100%;
height: 100%;
margin: 0;padding: 0;
}
/*导航图标*/
.NMH-g-navicon{
position: fixed;
top: 40%;
right: 020px;
width: 100px;
height: 100px;
}
.NMH-g-navicon.Jnmh-onleft{
right: auto;
left: 020px;
}
/*导航图标logo按钮*/
.NMH-g-navicon .Jnmh-btnlogo{
position: absolute;
display: block;
width: 100px;
height: 100px;
top: 50%;
right: 0;
margin-top: -50px;
border: 0;
background: url(img/icon_128.png) no-repeat center center;
background-size: 95% 95%;
border: 1px solid rgba(0, 0, 0, 0.1);
box-shadow: rgba(0, 0, 0, 0.12) 0px 6px 10px 0px;
outline: none;
border-radius: 50%;
z-index: 1;
}
.NMH-g-navicon .Jnmh-btnlogohover{
position: absolute;
display: block;
width: 100px;
height: 100px;
top: 50%;
right: 0;
margin: 0;padding: 0;
margin-top: -50px;
border: 0;
overflow: hidden;
/*background-color: red;*/
}
/*导航图标logo按钮-鼠标经过*/
.NMH-g-navicon.Jnmh-open .Jnmh-btnlogohover{
margin-top: -150px;
width: 200px;
height: 300px;
border-radius: 150px 0 0 150px;
}
.NMH-g-navicon.Jnmh-onleft .Jnmh-btnlogohover{
left: 0;
right: auto;
border-radius: 0 150px 150px 0;
}
/*导航图标菜单子容器*/
.NMH-g-navicon .Jnmh-m-submenu{
position: absolute;
background-color: transparent;
list-style: none;
top: -020px;
bottom: -020px;
left: -020px;
right: -020px;
margin: 0;
padding: 0;
}
.NMH-g-navicon .Jnmh-m-submenu .Jnmh-subli{
position: absolute;
width: 100%;height: 100%;
transform: rotate(0deg);
-webkit-transform: rotate(0deg);
transition: all 0.8s ease-in-out;
}
.Jnmh-m-submenu .Jnmh-subdl{
position: absolute;
left: 50%;
bottom: 100%;
width: 0;
height: 0;
line-height: 1px;
margin-left: 0;
background: #fff;
border-radius: 50%;
text-align: center;
font-size: 1px;
overflow: hidden;
cursor: pointer;
box-shadow: none;
transition: all 0.8s ease-in-out, color 0.1s, background 0.1s;
}
/*导航图标-展开菜单时*/
.NMH-g-navicon.Jnmh-open .Jnmh-m-submenu .Jnmh-subdl{
width: 80px;
height: 80px;
line-height: 80px;
margin-left: -40px;
box-shadow: 0 3px 3px rgba(0, 0, 0, 0.1);
font-size: 14px;
}
/*导航图标-三级菜单容器*/
.NMH-g-navicon.Jnmh-open .Jnmh-m-submenu .Jnmh-subdd{
position: absolute;
line-height: normal;
}
html代码
<div id="nmh-navicon" class="NMH-g-plugin NMH-g-navicon"> <button class="Jnmh-btnlogo"></button> <ins class="Jnmh-btnlogohover"></ins> <ul class="Jnmh-m-submenu"> <li class="Jnmh-subli"> <dl class="Jnmh-subdl"> <dt class="NMH-subdt">电商平台</dt> <dd class="NMH-subdd"></dd> </dl> </li> <li class="Jnmh-subli"> <dl class="Jnmh-subdl"> <dt class="NMH-subdt">选品平台</dt> <dd class="NMH-subdd"></dd> </dl> </li> <li class="Jnmh-subli"> <dl class="Jnmh-subdl"> <dt class="NMH-subdt">会员升级</dt> <dd class="NMH-subdd"></dd> </dl> </li> <li class="Jnmh-subli"> <dl class="Jnmh-subdl"> <dt class="NMH-subdt">产品操作</dt> <dd class="NMH-subdd"></dd> </dl> </li> <li class="Jnmh-subli"> <dl class="Jnmh-subdl"> <dt class="NMH-subdt">个人中心</dt> <dd class="NMH-subdd"></dd> </dl> </li> </ul> </div>
javascript代码
<script type="text/javascript" src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
<script type="text/javascript">
// 监听鼠标移入logo事件
$(document).on('mouseenter','.Jnmh-btnlogo',function(){
$('#nmh-navicon').addClass('Jnmh-open');
GtoggleNavlogo();
});
// 监听鼠标移除导航球移除事件（展开收缩悬浮球为什么不直接监听#nmh-navicon而多了一步监听logo是为了减少边缘触发）
$(document).on('mouseleave','#nmh-navicon',function(){
$('#nmh-navicon').removeClass('Jnmh-open');
GtoggleNavlogo();
});
var GtoggleNavlogo = function(){
var li = $('#nmh-navicon').find('.Jnmh-subli');
var lilen = li.length;
var avgDeg = 180/(lilen-1);// 平均角度
var initDeg = 0;// 起始方向角度
if($('#nmh-navicon').hasClass('Jnmh-onleft')){
// 如果悬浮球被拖拽到左边，则二级菜单则显示右侧
li.css({transform: 'rotate(0deg)'});
initDeg = 180;
}else{
// 默认悬浮球在右边，二级菜单显示在左侧
li.css({transform: 'rotate(-360deg)'});
}
for(var i=0,j=lilen-1; i<lilen; i++,j--) {
var d = initDeg - (i*avgDeg);
var z = initDeg?j:i;
// console.log(d);
$('#nmh-navicon').hasClass('Jnmh-open') ? GrotateNavlogo(li[z],d) : GrotateNavlogo(li[z],0);
}
};
var GrotateNavlogo = function(dom,deg){
$({a:0}).animate({a:deg}, {
step: function(now,fx) {
【出处：美国高防服务器 网络转载请说明出处】 $(dom).css({ transform: 'rotate('+now+'deg)' });
$(dom).children().css({ transform: 'rotate('+(-now)+'deg)' });
}, duration: 0
});
}
// 鼠标拖动logo移动
$(document).on('mousedown','.Jnmh-btnlogo',function(e_down){
var wrap = $('#nmh-navicon');
wrap.removeClass('Jnmh-open');
$('.Jnmh-m-submenu').hide();
GtoggleNavlogo();
var positionDiv = wrap.offset();
var distenceX = e_down.pageX - positionDiv.left;
var distenceY = e_down.pageY - positionDiv.top + $(document).scrollTop();
$(document).mousemove(diy_move);
function diy_move(e_move){
var x = e_move.pageX - distenceX;
var y = e_move.pageY - distenceY;
if (x < 0) {
x = 0;
} else if (x > $(document).width() - wrap.outerWidth(true)) {
x = $(document).width() - wrap.outerWidth(true);
}
if (y < 0) {
y = 0;
} else if (y > $(window).height() - wrap.outerHeight(true)) {
y = $(window).height() - wrap.outerHeight(true);
}
$(wrap).css({
'left': x + 'px',
'top': y + 'px'
});
}
$(document).mouseup(function() {
var x = $(wrap).offset().left;
var rm = '',ad = 'Jnmh-open';
if(x > $(document).width()/2){
x = $(document).width() - wrap.outerWidth(true) -10 ;
rm = 'Jnmh-onleft';
}else{
x = 10;
ad += ' Jnmh-onleft';
}
$(wrap).css({left: x + 'px'}).addClass(ad).removeClass(rm);
$('.Jnmh-m-submenu').show();
GtoggleNavlogo();
$(document).unbind('mousemove',diy_move);
});
});
</script>
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