今天写了一个仿苹果的悬浮按钮，由于只在右侧展开，所以只能上下拖拽，展开效果入下
2.css
@charset "gb2312";.info-nr {position:fixed; top:70px; right:3px; z-index:900; tap-highlight-color: rgba(0, 0, 0, 0);} #toMenu{display:block; width:45px!important; height:45px!important; border-radius:45px; position: absolute; bottom:0; right:0; z-index:9999; color:#fff; background:url(../img/navimg/png2.png) 50% 50% #3498fe; background-repeat: no-repeat; background-size:auto 62%; box-shadow:0 0 0 3px #3498fe, 0 2px 5px 0 #3498fe;}.info-nr-phone{height:45px;width:45px;}#info-nr-phone{position:relative;}.info-nr-phone>div { width:40px; height:40px; border-radius:40px; box-shadow:0 0 0 3px #FFFFFF, 0 2px 5px 0 rgba(0, 0, 0, 0.25); position:absolute; bottom:2px; right:2px; z-index:900; -moz-transition: transform 200ms; -webkit-transition: -webkit-transform 200ms; -ms-transition: transform 200ms;}.info-nr-phone>.to_01 {-webkit-transform: translate(-14px, -120px) rotate(720deg); -moz-transform: translate(-14px, -120px) rotate(720deg); -ms-transform: translate(-14px, -120px) rotate(720deg); -o-transform: translate(-14px, -120px) rotate(720deg); transform: translate(-14px, -65px) rotate(720deg); background:url(../img/navimg/55.png) 50% 50% no-repeat #fff; background-size:auto 66%;}.info-nr-phone>.to_02 {-webkit-transform: translate(-78px, -108px) rotate(720deg); -moz-transform: translate(-78px, -108px) rotate(720deg); -ms-transform: translate(-78px, -108px) rotate(720deg); -o-transform: translate(-78px, -108px) rotate(720deg); transform: translate(-71px, -31px) rotate(720deg); background:url(../img/navimg/4.png) 50% 50% no-repeat #fff; background-size:auto 70%;}.info-nr-phone>.to_03 {-webkit-transform: translate(-85px, -80px) rotate(720deg); -moz-transform: translate(-85px, -80px) rotate(720deg); -ms-transform: translate(-85px, -80px) rotate(720deg); -o-transform: translate(-85px, -80px) rotate(720deg); transform: translate(-67px, 28px) rotate(720deg); background:url(../img/navimg/3.png) 50% 50% no-repeat #fff; background-size:auto 60%; }.info-nr-phone> .to_04{-webkit-transform: translate(-79px, -36px) rotate(720deg); -moz-transform: translate(-79px, -36px) rotate(720deg); -ms-transform: translate(-79px, -36px) rotate(720deg); -o-transform: translate(-79px, -36px) rotate(720deg); transform: translate(-15px, 62px) rotate(720deg); background:url(../img/navimg/2.png) 50% 50% no-repeat #fff; background-size:auto 60%; } 3.js
// JavaScript Documentwindow.addEventListener("DOMContentLoaded", function () { $("#toMenu").click(function(){ $(".info-nr-phone").toggleClass("info-nr-phone2"); $(".menu_01").toggleClass("to_01"); $(".menu_02").toggleClass("to_02"); $(".menu_03").toggleClass("to_03"); $(".menu_04").toggleClass("to_04"); });}, false);// 拖拽var screenHeight = document.documentElement.clientHeight; var fdiv = document.getElementById("info-nr"); fdiv.addEventListener('touchstart', false); fdiv.addEventListener('touchmove', function(event) { // 如果这个元素的位置内只有一个手指的话 if (event.targetTouches.length == 1) { event.preventDefault();// 阻止浏览器默认事件，重要 var touch = event.targetTouches[0]; if((touch.pageY)<=70){//超过顶部 fdiv.style.top="70px"; }else if(touch.pageY>(screenHeight-parseInt(fdiv.clientHeight))){//超过底部 fdiv.style.top=(screenHeight-parseInt(fdiv.clientHeight))-70+"px"; }else{ fdiv.style.top = (touch.pageY-parseInt(fdiv.clientHeight)/2) + "px"; } }}, false); fdiv.addEventListener('touchend', false);