转盘抽奖

转盘抽奖我也不知道为什么就是想发一个也不知道怎么写反正我能看懂就好一般人都能看得懂不懂的话直接粘贴复制就能用

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport"content="maximum-scale=1.0,minimum-scale=1.0,user-scalable=0,width=device-width,initial-scale=1.0" />
<meta name="format-detection" content="telephone=no">
<title>幸运大转盘</title>
<link rel="stylesheet" type="text/css" href="css/rotate.css" />
<style rel="stylesheet" type="text/css">
html {
font-family: "Helvetica Neue", Helvetica, sans-serif;
font-size: 20px;
}

body {
max-width: 768px;
margin: 0 auto;
}

* {
padding: 0;
margin: 0;
text-decoration: none;
list-style: none;
}
/*转盘样式*/

.box {
position: relative;
border-radius: 50%;
overflow: hidden;
width: 95%;
margin: 0 auto;
background: url('http://adimg1.yokead.com/5A851DC62ABDA507D0C1A12158D77B48');
background-size: 100% 100%;
background-repeat: no-repeat;
}

.lottery {
width: 86%;
margin: 0 auto;
margin-top: 7.5%;
border-radius: 50%;
overflow: hidden;
position: relative;
background-color: #330000;
box-shadow: 0 0 15px #000;
}

.block {
box-shadow: 0 0 1px #000 inset;
position: absolute;
width: 50%;
height: 6.8rem;
transform-origin: right bottom 0;
-webkit-transform-origin: right bottom 0;
}

.block-red {
background: -webkit-linear-gradient(left top, #b0002a, #b00029, #ef0039);
background: -moz-linear-gradient(left top, #b0002a, #b00029, #ef0039);
background: -ms-linear-gradient(left top, #b0002a, #b00029, #ef0039);
background: -o-linear-gradient(left top, #b0002a, #b00029, #ef0039);
background: linear-gradient(to right bottom, #b0002a, #b00029, #ef0039);
}

.block-yellow {
background: -webkit-linear-gradient(left top, #fdf5e6, #f9d306, #fdf5e6);
background: -moz-linear-gradient(left top, #fdf5e6, #f9d306, #fdf5e6);
background: -ms-linear-gradient(left top, #fdf5e6, #f9d306, #fdf5e6);
background: -o-linear-gradient(left top, #fdf5e6, #f9d306, #fdf5e6);
background: linear-gradient(to right bottom, #fdf5e6, #f9d306, #fdf5e6);
}

.block-orange {
background: -webkit-linear-gradient(left top, #fb9b75, #f86c06, #fb9b75);
background: -moz-linear-gradient(left top, #fb9b75, #f86c06, #fb9b75);
background: -ms-linear-gradient(left top, #fb9b75, #f86c06, #fb9b75);
background: -o-linear-gradient(left top, #fb9b75, #f86c06, #fb9b75);
background: linear-gradient(to right bottom, #fb9b75, #f86c06, #fb9b75);
}

.content {
width: 100%;
height: 100%;
position: absolute;
right: 0;
bottom: 0;
text-align: center;
}

.content .none {
margin: 0 auto;
text-align: center;
font-size: 0.9rem;
padding-bottom: 0.4rem;
}

.content img {
width: 2.5rem;
height: 2.5rem;
display: inline-block;
}

.btn {
width: 30%;
height: 30%;
position: absolute;
cursor: pointer;
left: 35%;
top: 35%;
background-size: 100% 100%;
}

.alert {
position: absolute;
width: 100%;
text-align: center;
top: 30%;
left: 0;
display: none;
}

.alert-text {
display: inline-block;
padding: 0rem 1rem;
border-radius: 1rem 1rem 1rem 1rem;
background: rgba(0, 0, 0, 0.5);
}
/*alertOut*/

.alertOut {
position: fixed;
top: 50%;
width: 100%;
}

.alertOut-text {
text-align: center;
}

@media screen and (min-width:768px) and (max-width:1920px) {
html {
font-size: 30px;
}
}

@media screen and (min-width:600px) and (max-width:768px) {
html {
font-size: 26px;
}
}

@media screen and (min-width:321px) and (max-width:380px) {
html {
font-size: 16px;
}
}

@media screen and (min-width:300px) and (max-width:320px) {
html {
font-size: 12px;
}
}
</style>
</head>

<body>
<section>
<div class="rotate-box">
<div class="box">
<div class="lottery">

</div>
<img src="http://adimg1.yokead.com/844F2D9BE9B2900A17EA771179FA67DC" alt="" class="btn" />
</div>
</div>
</section>
</body>
<script type="text/javascript" src="js/jquery.min.js"></script>
<script type="text/javascript" src="js/rotate.js"></script>
<script type="text/javascript">
// 奖品配置
var awards = [{
'index': 0,
'text': '耳机',
},
{
'index': 1,
'text': 'iPhone',
},
{
'index': 2,
'text': '相机',
'name': 'icono-camera'
},
{
'index': 3,
'text': '咖啡杯',
},
{
'index': 4,
'text': '日历',
},
{
'index': 5,
'text': '键盘',
},
{
'index': 6,
'text': '键盘',
},
{
'index': 6,
'text': '键盘',
}
]
// 写入奖品
rotateContent(awards)
// 点击转盘
$('.btn').click(function() {
// 设置结束的角度
var end = 22.5;
$(".lottery").rotate({
duration: 3000, //旋转时间
angle: 20, //开始旋转的角度
animateTo: end + 360 * 5, //最终结束时的角度
callback: function() { //回调
}
});
});

function rotateContent(awards) {
var length = awards.length
var deg = 360 / length
var str = ''
for(var i in awards) {
str += '<div class="block ' + getColor(i, length) + '" style="color:#fff;' + preTransform() + ': rotate(' + deg * i + 'deg) skewY(' + (90 - deg) + 'deg)">'
str += '<div class="content" style="' + preTransform() + ':skewY(-' + (90 - deg) + 'deg) rotate(-' + deg / 2 + 'deg) translate(' + length + '%,' + 9 * length + '%)">'
str += '<div class="none">' + awards[i].text + '</div>'
str += '</div>'
str += '</div>'
}
$('.lottery').append(str)
if(length % 2 != 0) {
if(length % 3 == 1) {
$('.lottery .block').eq(length - 1).removeClass('block-red')
$('.lottery .block').eq(length - 1).addClass('block-yellow')
}
}
}
winChange()
//设置背景颜色
function getColor(str, length) {
var color
if(length % 2 == 0) {
if(str % 2 == 0) {
color = 'block-red'
} else if(str % 2 == 1) {
color = 'block-yellow'
}
} else {
if(str % 3 == 0) {
color = 'block-red'
} else if(str % 3 == 1) {
color = 'block-yellow'
} else if(str % 3 == 2) {
color = 'block-orange'
}
}
return color
}

// 兼容
function preTransform() {
var cssPrefix,
vendors = {
'': '',
Webkit: 'webkit',
Moz: '',
O: 'o',
ms: 'ms'
},
testEle = document.createElement('p'),
cssSupport = {};
Object.keys(vendors).some(function(vendor) {
if(testEle.style[vendor + (vendor ? 'T' : 't') + 'ransform'] !== undefined) {
cssPrefix = vendor ? '-' + vendor.toLowerCase() + '-' : '';
return true;
}
});
function normalizeCss(name) {
name = name.toLowerCase();
return cssPrefix ? cssPrefix + name : name;
}
cssSupport = {
transform: normalizeCss('Transform'),
}
return cssSupport.transform;
}
// 屏幕适配
$(window).resize(function() {
winChange()
})
function winChange() {
$(".rotate-box .box").css("height", $(".rotate-box .box").width() + 'px')
$('.lottery').css("height", $(".lottery").width() + 'px')
$('.lottery .block').css("height", $(".lottery .block").width() + 'px')
$(".login-box").css({
"width": $('body').width() + "px",
"left": $('body').offset().left + "px"
})
}
</script>

</html>

一下是rotate.js代码这个我也是用别人的不懂就直接复制就好

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