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CSS3 makes responsive, configurable lottery wheel
- php中世界最好的语言Original
- 2018-03-22 13:30:052917browse
This time I will bring you CSS3 to make a responsive and configurable lottery carousel. What are the things to note about using CSS3 to make a responsive and configurable lottery carousel. The following is a practical case. Get up and take a look.
<section class="gb-wheel-container" id="gbWheel"> <p class="gb-wheel-content gb-wheel-run"> <ul class="gb-wheel-line"></ul> <p class="gb-wheel-list"></p> </p> <a href="javascript:;" class="gb-wheel-btn" id="gbLottery">抽奖</a> </section>JS
(function() {
// 奖品配置
var awards = [
{'index': 0, 'text': '耳机' , 'name': 'icono-headphone'},
{'index': 1, 'text': 'iPhone' , 'name': 'icono-iphone'},
{'index': 2, 'text': '相机' , 'name': 'icono-camera'},
{'index': 3, 'text': '咖啡杯' , 'name': 'icono-cup'},
{'index': 4, 'text': '日历', 'name': 'icono-calendar'},
{'index': 5, 'text': '键盘', 'name': 'icono-keyboard'}
],
len = awards.length,
turnNum = 1 / len; // 文字旋转 turn 值
var gbWheel = $('gbWheel'),
lineList = gbWheel.querySelector('ul.gb-wheel-line'),
itemList = gbWheel.querySelector('.gb-wheel-list'),
lineListHtml = [],
itemListHtml = [];
var transform = preTransform();
awards.forEach(function(v, i, a) {
// 分隔线
lineListHtml.push('<li class="gb-wheel-litem" style="' + transform + ': rotate('+ (i * turnNum + turnNum / 2) +'turn)"></li>');
// 奖项
itemListHtml.push('<p class="gb-wheel-item">');
itemListHtml.push('<p class="gb-wheel-icontent" style="' + transform + ': rotate('+ (i * turnNum) +'turn)">');
itemListHtml.push('<p class="gb-wheel-iicon">');
itemListHtml.push('<i class="'+v.name+'"></i>');
itemListHtml.push('</p>');
itemListHtml.push('<p class="gb-wheel-itext">');
itemListHtml.push(v.text);
itemListHtml.push('</p>');
itemListHtml.push('</p>');
itemListHtml.push('</p>');
});
lineList.innerHTML = lineListHtml.join('');
itemList.innerHTML = itemListHtml.join('');
function $(id) {
return document.getElementById(id);
};
// 旋转
var i = 0;
$('gbLottery').onclick = function() {
i++;
gbWheel.querySelector('.gb-wheel-content').style = transform + ': rotate('+ i * 3600 +'deg)';
}
// transform兼容
function preTransform() {
var cssPrefix,
vendors = {
'': '',
Webkit: 'webkit',
Moz: '',
O: 'o',
ms: 'ms'
},
testEle = document.createElement('p'),
cssSupport = {};
// 嗅探特性
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;
}
}());CSS
html {
font-size: 10px
}
.gb-wheel-container ul,
.gb-wheel-container li,
.gb-wheel-container p {
margin: 0;
padding: 0
}
.gb-wheel-container ul,
.gb-wheel-container li {
list-style: none
}
.gb-wheel-container {
margin: 0 auto;
position: relative;
width: 30rem;
height: 30rem;
border-radius: 50%;
box-shadow: 0 2px 3px #333, 0 0 2px #000;
overflow: hidden
}
.gb-wheel-content {
position: absolute;
left: 1rem;
top: 1rem;
z-index: 2;
width: 28rem;
height: 28rem;
box-sizing: border-box;
border-radius: inherit;
background-clip: padding-box;
background: -webkit-radial-gradient(rgba(100, 100, 100, 0.1) 15%, transparent 16%) 0 0,
-webkit-radial-gradient(rgba(100, 100, 100, 0.1) 15%, transparent 16%) 8px 8px,
-webkit-radial-gradient(rgba(255, 255, 255, 0.1) 15%, transparent 20%) 0 1px,
-webkit-radial-gradient(rgba(255, 255, 255, 0.1) 15%, transparent 20%) 8px 9px;
background: radial-gradient(rgba(100, 100, 100, 0.1) 15%, transparent 16%) 0 0,
radial-gradient(rgba(100, 100, 100, 0.1) 15%, transparent 16%) 8px 8px,
radial-gradient(rgba(255, 255, 255, 0.1) 15%, transparent 20%) 0 1px,
radial-gradient(rgba(255, 255, 255, 0.1) 15%, transparent 20%) 8px 9px;
background-color: #ffcb3f;
background-size: 12px 14px
}
.gb-wheel-content:before {
content: ' ';
position: absolute;
left: -1rem;
top: -1rem;
z-index: -1;
width: 28rem;
height: 28rem;
border-radius: inherit;
border: 1rem solid #E44025;
box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.2) inset
}
.gb-wheel-list {
position: absolute;
left: 0;
top: 0;
width: inherit;
height: inherit;
z-index: 9999
}
.gb-wheel-item {
position: absolute;
left: 0;
top: 0;
width: 100%;
height: 100%;
color: #e4370e;
font-weight: bold;
text-shadow: 0 1px 1px rgba(255, 255, 255, 0.6)
}
.gb-wheel-icontent {
position: relative;
display: block;
padding-top: 1.5rem;
margin: 0 auto;
text-align: center;
-webkit-transform-origin: 50% 14rem;
-ms-transform-origin: 50% 14rem;
transform-origin: 50% 14rem
}
.gb-wheel-itext {
font-size: 1.4rem;
font-weight: lighter
}
.gb-wheel-iicon [class*=icono-] {
color: #e4370e
}
.gb-wheel-line {
position: absolute;
left: 0;
top: 0;
width: inherit;
height: inherit;
z-index: 99
}
.gb-wheel-litem {
position: absolute;
left: 14rem;
top: 0;
width: 1px;
height: 14rem;
background-color: rgba(228, 55, 14, 0.6);
overflow: hidden;
-webkit-transform-origin: 50% 14rem;
-ms-transform-origin: 50% 14rem;
transform-origin: 50% 14rem
}
.gb-wheel-btn {
position: absolute;
left: 11rem;
top: 11rem;
z-index: 400;
width: 8rem;
height: 8rem;
border-radius: 50%;
color: #F4E9CC;
background-color: #E44025;
line-height: 8rem;
text-align: center;
font-size: 2rem;
text-shadow: 0 -1px 1px rgba(0, 0, 0, 0.6);
box-shadow: 0 3px 5px rgba(0, 0, 0, 0.6), 0 0 5px 4px rgba(0, 0, 0, 0.2) inset;
text-decoration: none
}
a.gb-wheel-btn {
border-bottom: none
}
.gb-wheel-btn::after {
position: absolute;
content: '';
left: 2.5rem;
top: -1rem;
width: 3rem;
height: 3rem;
background-color: #E44025;
-webkit-transform: rotate(45deg);
-ms-transform: rotate(45deg);
transform: rotate(45deg);
box-shadow: 0 3px 5px rgba(0, 0, 0, 0.6), 0 0 5px 4px rgba(0, 0, 0, 0.2) inset
}
.gb-wheel-btn.disabled,
.gb-wheel-btn.disabled::after {
pointer-events: none;
background: #B07A7B;
color: #ccc
}
.gb-wheel-run {
-webkit-transition: transform 6s ease;
transition: transform 6s ease
}
@media only screen and (min-width: 320px) {
html {
font-size: 10px
}
}
@media only screen and (min-width: 375px) {
html {
font-size: 11.71875px
}
}
@media only screen and (min-width: 480px) {
html {
font-size: 15px
}
}
I believe you have read the case in this article After mastering the method, please pay attention to other related articles on the php Chinese website for more exciting content! Recommended reading:
Detailed explanation of the use of linear-gradient
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