用CSS3模拟开关效果，要不要这么牛逼呢
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>开关</title>
<style type="text/css" media="screen">
html,body {
width: 100%;
height: 100%;
margin: 0;
padding: 0;
background: #ca9f6a;
background: -webkit-radial-gradient(ellipse at center, #ca9f6a 0%, #ad7846 100%);
background: radial-gradient(ellipse at center, #ca9f6a 0%, #ad7846 100%);
font-family: "Open Sans";
}
.canvas {
padding: 20px;
text-align: center;
}
.switch {
margin: 50px;
display: inline-block;
}
/*.switch,
.switch *
box-sizing: border-box */
.switch {
width: 300px;
height: 280px;
padding: 5px 0;
background-color: #9d9d9d;
background-image: -webkit-linear-gradient(#b5b5b5, #cecece, #9d9d9d);
background-image: linear-gradient(#b5b5b5, #cecece, #9d9d9d);
border: 2px solid #916749;
-webkit-border-radius: 45px;
border-radius: 45px;
-webkit-box-shadow: 0 5px 10px rgba(0,0,0,0.3), inset 0 0 3px #333;
box-shadow: 0 5px 10px rgba(0,0,0,0.3), inset 0 0 3px #333;
position: relative;
}
.switch:before {
content: "";
display: block;
background-color: #ededed;
background-image: -webkit-linear-gradient(#e6e6e6, #d5d5d5 49%, #e1e1e1);
background-image: linear-gradient(#e6e6e6, #d5d5d5 49%, #e1e1e1);
position: absolute;
top: 10px;
bottom: 5px;
left: 3px;
right: 3px;
-webkit-border-radius: 45px;
border-radius: 45px;
-webkit-box-shadow: 0 -6px 1px rgba(255,255,255,0.65), inset 0 2px 8px #d5d5d5;
box-shadow: 0 -6px 1px rgba(255,255,255,0.65), inset 0 2px 8px #d5d5d5;
}
.switch-button-outer {
width: 42%;
height: 66%;
margin: 17% auto 0;
padding-bottom: 17%;
overflow: hidden;
position: relative;
z-index: 1;
-webkit-border-radius: 35px;
border-radius: 35px;
}
.switch-button-outer:before {
content: "";
background: -webkit-linear-gradient(#afb3b5 0%, #d5d8d9 100%);
background: linear-gradient(#afb3b5 0%, #d5d8d9 100%);
width: 100%;
top: 0;
left: 0;
position: absolute;
bottom: 21%;
z-index: 1;
-webkit-border-radius: 30px;
border-radius: 30px;
-webkit-box-shadow: 0 0 3px rgba(255,255,255,0.4);
box-shadow: 0 0 3px rgba(255,255,255,0.4);
}
.switch-button {
height: 90%;
width: 86%;
background: -webkit-linear-gradient(#f3f3f3, #fff);
background: linear-gradient(#f3f3f3, #fff);
-webkit-border-radius: 30px;
border-radius: 30px;
overflow: auto;
position: relative;
top: 5%;
left: 7%;
cursor: pointer;
-webkit-box-shadow: 0 16px 8px -8px rgba(0,0,0,0.33) inset, 0 0 3px rgba(0,0,0,0.85);
box-shadow: 0 16px 8px -8px rgba(0,0,0,0.33) inset, 0 0 3px rgba(0,0,0,0.85);
z-index: 2;
}
.switch-button-inner {
width: 98%;
height: 87%;
margin: 0 1%;
background: -webkit-linear-gradient(#9d9d9d, #dedede, #f0f0f0);
background: linear-gradient(#9d9d9d, #dedede, #f0f0f0);
position: absolute;
bottom: 0;
-webkit-border-radius: 25px;
border-radius: 25px;
position: absolute;
z-index: 3;
}
.switch-button-inner:before {
content: "";
height: 16px;
width: 4px;
margin-left: -2px;
background-color: rgba(0,0,0,0.1);
border-bottom: 2px solid rgba(255,255,255,0.5);
position: absolute;
top: 10px;
left: 50%;
-webkit-box-shadow: 0 1px 2px rgba(0,0,0,0.2) inset;
box-shadow: 0 1px 2px rgba(0,0,0,0.2) inset;
}
.switch-button-inner:after {
content: "";
width: 20px;
height: 20px;
border: 2px solid rgba(0,0,0,0.08);
margin-left: -12px;
position: absolute;
left: 50%;
bottom: 10px;
-webkit-border-radius: 50%;
border-radius: 50%;
-webkit-box-shadow: 0 2px 0 rgba(255,255,255,0.7);
box-shadow: 0 2px 0 rgba(255,255,255,0.7);
}
.switch:hover .switch-button {
background-image: -webkit-linear-gradient(#fcfcfc, #fff);
background-image: linear-gradient(#fcfcfc, #fff);
-webkit-box-shadow: 0 14px 8px -7px rgba(0,0,0,0.33) inset, 0 -6px 8px -4px rgba(0,0,0,0.33) inset, 0 0 3px rgba(0,0,0,0.85);
box-shadow: 0 14px 8px -7px rgba(0,0,0,0.33) inset, 0 -6px 8px -4px rgba(0,0,0,0.33) inset, 0 0 3px rgba(0,0,0,0.85);
}
.switch:hover .switch-button-inner {
bottom: 3px;
background: -webkit-linear-gradient(#bababa, #dedede 40%, #e4e4e4);
background: linear-gradient(#bababa, #dedede 40%, #e4e4e4);
-webkit-box-shadow: inset 0 -4px 3px rgba(255,255,255,0.6);
box-shadow: inset 0 -4px 3px rgba(255,255,255,0.6);
}
.switch:hover .switch-button-inner:before {
top: 9.5px;
}
.switch:hover .switch-button-inner:after {
height: 19px;
}
.switch.checked .switch-button-outer:after {
content: "";
height: 50%;
width: 80%;
background: transparent;
position: absolute;
top: 6%;
left: 10%;
z-index: 1;
-webkit-border-radius: 20px;
border-radius: 20px;
-webkit-box-shadow: 0 60px 25px rgba(0,0,0,0.35);
box-shadow: 0 60px 25px rgba(0,0,0,0.35);
}
.switch.checked .switch-button {
background-image: -webkit-linear-gradient(#fff, #f3f3f3);
background-image: linear-gradient(#fff, #f3f3f3);
-webkit-box-shadow: 0 -3px 8px rgba(255,255,255,0.5) inset, 0 -15px 0px rgba(0,0,0,0.33) inset, 0 0 3px rgba(0,0,0,0.85);
box-shadow: 0 -3px 8px rgba(255,255,255,0.5) inset, 0 -15px 0px rgba(0,0,0,0.33) inset, 0 0 3px rgba(0,0,0,0.85);
}
.switch.checked .switch-button:before {
content: "";
width: 100%;
height: 20px;
margin-left: -50%;
background-image: -webkit-radial-gradient(ellipse at bottom center, rgba(255,255,255,0.7), rgba(255,255,255,0) 70%);
background-image: radial-gradient(ellipse at bottom center, rgba(255,255,255,0.7), rgba(255,255,255,0) 70%);
display: block;
position: absolute;
bottom: 0;
left: 50%;
}
.switch.checked .switch-button-inner {
background: -webkit-linear-gradient(#ddd, #dedede, #fff);
background: linear-gradient(#ddd, #dedede, #fff);
bottom: auto;
top: 2px;
}
.switch.checked .switch-button-inner:before {
height: 18px;
}
.switch.checked .switch-button-inner:after {
height: 16px;
}
.switch.checked:hover .switch-button {
background-image: -webkit-linear-gradient(#f3f3f3, #fff);
background-image: linear-gradient(#f3f3f3, #fff);
-webkit-box-shadow: 0 1px 8px rgba(255,255,255,0.5) inset, 0 -13px 0px rgba(0,0,0,0.33) inset, 0 0 3px rgba(0,0,0,0.85);
box-shadow: 0 1px 8px rgba(255,255,255,0.5) inset, 0 -13px 0px rgba(0,0,0,0.33) inset, 0 0 3px rgba(0,0,0,0.85);
}
.switch.checked:hover .switch-button:before {
background-image: -webkit-radial-gradient(ellipse at bottom center, rgba(255,255,255,0.6), rgba(255,255,255,0) 60%);
background-image: radial-gradient(ellipse at bottom center, rgba(255,255,255,0.6), rgba(255,255,255,0) 60%);
}
.switch.checked:hover .switch-button-inner {
background: -webkit-linear-gradient(#d2d2d2, #dedede, #fff);
background: linear-gradient(#d2d2d2, #dedede, #fff);
bottom: auto;
top: 5px;
-webkit-box-shadow: inset 0 -4px 3px rgba(255,255,255,0.6);
box-shadow: inset 0 -4px 3px rgba(255,255,255,0.6);
}
.switch.checked:hover .switch-button-inner:before {
top: 9.5px;
}
.switch.checked:hover .switch-button-inner:after {
height: 19px;
bottom: 9px;
}
.screws {
position: absolute;
width: 100%;
height: 100%;
}
.screw {
display: block;
width: 16px;
height: 16px;
background-color: rgba(0,0,0,0.6);
background-image: -webkit-radial-gradient(circle at top center, #fcfcfc, transparent);
background-image: radial-gradient(circle at top center, #fcfcfc, transparent);
border: 1px solid #999;
color: rgba(0,0,0,0.85);
font-family: 'Open Sans';
font-size: 20px;
font-weight: bold;
text-align: center;
line-height: 20px;
position: absolute;
left: 25px;
top: 20px;
-webkit-border-radius: 50%;
border-radius: 50%;
-webkit-box-shadow: 0 2px 1px rgba(255,255,255,0.5);
box-shadow: 0 2px 1px rgba(255,255,255,0.5);
}
.screw:before {
content: "";
width: 100%;
height: 60%;
background-image: -webkit-radial-gradient(center bottom, rgba(255,255,255,0.5) 50%, transparent);
background-image: radial-gradient(center bottom, rgba(255,255,255,0.5) 50%, transparent);
position: absolute;
bottom: 0;
left: 0;
-webkit-border-radius: 50%;
border-radius: 50%;
}
.screw:nth-child(2) {
left: auto;
right: 25px;
}
.screw:nth-child(3),
.screw:nth-child(4) {
top: auto;
bottom: 25px;
}
.screw:nth-child(4) {
right: 25px;
left: auto;
}
</style>
</head>
<body>
<div >
<!-- Checked -->
<div>
<div>
<span>*</span>
<span>*</span>
<span>*</span>
<span>*</span>
</div>
<div>
<div>
<div></div>
</div>
</div>
</div>
</div>
<script type="text/javascript">
function Switch(node) {
this.switchRoot = node;
this.switchRoot.onclick = this.switchClickEventHanlder;
}
Switch.prototype.switchClickEventHanlder = function (e) {
e.target = e.target || e.srcElement;
if(e.target.className.indexOf("switch-button") < 0) return;
if(!this.classList.contains("checked")) {
this.classList.add("checked");
} else{
this.classList.remove("checked");
}
this.checked = !this.checked;
};
var switches = document.querySelectorAll(".switch");
if(typeof switches !== "undefined" && switches.length) {
for(var i = switches.length - 1; i >=0; --i){
new Switch(switches[i]);
}
}
</script>
</body>
</html>效果截图：
赶紧把代码贴进去看效果吧。
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