商品下架特效制作：定时器，倒计时，抖动特效代码
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互联网集市收集整理的这篇技术教程文章主要介绍了商品下架特效制作：定时器，倒计时，抖动特效代码，小编现在分享给大家，供广大互联网技能从业者学习和参考。文章包含14406字，纯文字阅读大概需要21分钟。
内容图文
<!DOCTYPE html><html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
.clear:after {
content: '';
display: block;
clear: both;
}
ul {
list-style: none;
margin: 100px auto 0;
padding: 0;
width: 1300px;
border: 1px solid #000;
}
li {
padding: 10px;
float: left;
width: 300px;
position: relative;
}
li div {
text-align: center;
}
li div:nth-of-type(2) {
margin: 20px 0;
text-align: center;
}
li div:nth-of-type(2) span {
padding: 10px;
background: #e15671;
color: white;
border-radius: 10px;
}
.text1 {
width: 240px;
}
li div:nth-of-type(3) {
padding: 20px;
}
.goods_name {
line-height: 40px;
}
.img {
width: 100px;
height: 140px;
}
li .sold_out {
position: absolute;
left: -38px;
-left: 61px;
top: 0;
-top: 76px;
width: 396px;
-width: 198px;
height: 396px;
-height: 198px;
opacity: 0;
display: none;
z-index: 999999;
}
li .mask {
width: 100%;
height: 100%;
position: absolute;
left: 0;
top: 0;
z-index: 999;
background: rgb(0,0,0);
opacity: 0;
display: none;
}
/*li .sold_out {*/
/*position: absolute;*/
/*left: 84px;*/
/*top: 134px;*/
/*width: 132px;*/
/*height: 132px;*/
/*}*/
.table {
margin: 30px auto 0;
width: 1300px;
}
tbody tr {
opacity: 0;
}
tbody img {
width: 50px;
height: 50px;
}
</style>
</head>
<body>
<ul class="clear">
<li>
<div>
<input type="text" class="text1">
<button>确定</button>
</div>
<div class="time">
剩余：
<span>0</span>
<span>0</span>
:
<span>0</span>
<span>0</span>
:
<span>0</span>
<span>0</span>
</div>
<div>
<img class="img" src="images/goods_1.png" alt="">
</div>
<div>
<strong class="goods_name">iphone6s</strong>
</div>
<div>
抢购价：<span class="goods_price">￥ 6000</span>
</div>
<img class="sold_out" src="images/sold-out.png" alt="">
<div class="mask"></div>
</li>
<li>
<div>
<input type="text" class="text1">
<button>确定</button>
</div>
<div class="time">
剩余：
<span>0</span>
<span>0</span>
:
<span>0</span>
<span>0</span>
:
<span>0</span>
<span>0</span>
</div>
<div>
<img class="img" src="images/goods_2.png" alt="">
</div>
<div>
<strong class="goods_name">iMac</strong>
</div>
<div>
抢购价：<span class="goods_price">￥ 19999</span>
</div>
<img class="sold_out" src="images/sold-out.png" alt="">
<div class="mask"></div>
</li>
<li>
<div>
<input type="text" class="text1">
<button>确定</button>
</div>
<div class="time">
剩余：
<span>0</span>
<span>0</span>
:
<span>0</span>
<span>0</span>
:
<span>0</span>
<span>0</span>
</div>
<div>
<img class="img" src="images/goods_3.png" alt="">
</div>
<div>
<strong class="goods_name">ipod</strong>
</div>
<div>
抢购价：<span class="goods_price">￥ 1000</span>
</div>
<img class="sold_out" src="images/sold-out.png" alt="">
<div class="mask"></div>
</li>
<li>
<div>
<input type="text" class="text1">
<button>确定</button>
</div>
<div class="time">
剩余：
<span>0</span>
<span>0</span>
:
<span>0</span>
<span>0</span>
:
<span>0</span>
<span>0</span>
</div>
<div>
<img class="img" src="images/goods_4.png" alt="">
</div>
<div>
<strong class="goods_name">iWatch</strong>
</div>
<div>
抢购价：<span class="goods_price">￥ 2000</span>
</div>
<img class="sold_out" src="images/sold-out.png" alt="">
<div class="mask"></div>
</li>
</ul>
<div class="table">
<table width="1300" border="1">
<thead>
<tr>
<th>商品</th>
<th>价格</th>
<th>图片</th>
</tr>
</thead>
<tbody></tbody>
</table>
</div>
<script src="animation.js?1.1.11"></script>
<script>
var liElements = document.querySelectorAll('li');
var tbodyElements = document.querySelector('.table tbody');
liElements.forEach(function (li) {
soldOut(li);
});
function soldOut(li) {
/*
* 以其中给一个li来做逻辑处理
* */
var buttonElement = li.querySelector('button');
var text1Element = li.querySelector('.text1');
var maskElement = li.querySelector('.mask');
var soldOutElement = li.querySelector('.sold_out');
var timeSpanElement = li.querySelectorAll('.time span');
var goodsName = li.querySelector('.goods_name').innerHTML;
var goodsPrice = li.querySelector('.goods_price').innerHTML;
var goodsImg = li.querySelector('.img').src;
/*
* 点击按钮获取倒计时的时间
* */
buttonElement.onclick = function() {
var seconds = parseInt(text1Element.value);
/*
* 把seconds变成时分秒的格式，并计算倒计时
* */
var timer = setInterval(function () {
seconds--;
if (seconds >= 0) {
var timeArr = seconds2HMS(seconds).split('');
timeArr.forEach(function (item, index) {
timeSpanElement[index].innerHTML = item;
});
} else {
//时间到了
clearInterval(timer);
timeOver();
add2List();
}
}, 1000);
};
function timeOver() {
maskElement.style.display = 'block';
// maskElement.style.opacity = '0.5';
animation(maskElement, {
opacity: 0.5
}, 500);
soldOutElement.style.display = 'block';
animation(soldOutElement, {
width: 198,
height: 198,
left: 61,
top: 76,
opacity: 1
}, 500, 'bounceOut');
setTimeout(function () {
shake(li, 'left', 20, 2);
}, 200);
}
/*
* 添加当前的商品信息到表格列表中
* */
function add2List() {
tbodyElements.innerHTML += '<tr><td>'+goodsName+'</td><td>'+goodsPrice+'</td><td><img src="'+goodsImg+'"/></td></tr>';
var trElements = tbodyElements.querySelectorAll('tr');
//获取到最后一个tr，也就是当前最新一次添加的元素
// console.log(trElements[trElements.length - 1]);
// animation(trElements[trElements.length - 1], {
// opacity: 1
// }, 100);
trElements.forEach(function (tr) {
animation(tr, {
opacity: 1
}, 100);
}, 1000);
}
}
/*
* 把秒钟转成时分秒格式
* */
function seconds2HMS(seconds) {
var H = addZero(parseInt(seconds / 3600));
var M = addZero(parseInt(seconds % 3600 / 60));
var S = addZero(parseInt(seconds % 60));
return H + M + S;
}
function addZero(v) {
return (v < 10 ? '0' : '') + v;
}
/*
* 颤抖吧！
* */
function shake(element, attr, range, step) {
/*
* 获取元素在颤抖之前的位置
* */
var originValue = getCss(element, attr);
/*
* 表示+还是-
* */
var flag = true;
var timer = setInterval(function () {
if (flag) {
//先负
element.style[attr] = originValue - range + 'px';
} else {
element.style[attr] = originValue + range + 'px';
//自减
range -= step;
if (range <= 0) {
element.style[attr] = originValue + 'px';
clearInterval(timer);
}
}
flag = !flag;
}, 16);
}
function getCss(element, attr) {
return parseFloat(element.currentStyle ? element.currentStyle[attr] : getComputedStyle(element)[attr]);
}
</script>
</body>
</html>
function animation(ele, attrs, duration, fx, callback) {
if (ele.timer) {
return;
}
var d = duration || 1000;
var obj = {};
for (var attr in attrs) {
obj[attr] = {};
obj[attr].b = parseFloat(getComputedStyle(ele)[attr]); obj[attr].c = attrs[attr] - obj[attr].b;
}
var fx = fx || 'linear';
var callback = callback || function(){};
var startTime = Date.now();
ele.timer = setInterval(function () {
var t = Date.now() - startTime;
if (t >= d) {
t = d;
}
for (var attr in attrs) {
var value = Tween[fx](t, obj[attr].b, obj[attr].c, d);
if (attr == 'opacity') {
ele.style[attr] = value;
} else {
ele.style[attr] = value + 'px';
}
}
if (t == d) {
clearInterval(ele.timer);
ele.timer = null;
callback();
}
}, 16);
}
var Tween = {
linear: function (t, b, c, d){ //匀速
return c*t/d + b;
},
easeIn: function(t, b, c, d){ //加速曲线
return c*(t/=d)*t + b; //t/=d t = t / d
},
easeOut: function(t, b, c, d){ //减速曲线
return -c *(t/=d)*(t-2) + b;
},
easeBoth: function(t, b, c, d){ //加速减速曲线
if ((t/=d/2) < 1) {
return c/2*t*t + b;
}
return -c/2 * ((--t)*(t-2) - 1) + b;
},
easeInStrong: function(t, b, c, d){ //加加速曲线
return c*(t/=d)*t*t*t + b;
},
easeOutStrong: function(t, b, c, d){ //减减速曲线
return -c * ((t=t/d-1)*t*t*t - 1) + b;
},
easeBothStrong: function(t, b, c, d){ //加加速减减速曲线
if ((t/=d/2) < 1) {
return c/2*t*t*t*t + b;
}
return -c/2 * ((t-=2)*t*t*t - 2) + b;
},
elasticIn: function(t, b, c, d, a, p){ //正弦衰减曲线（弹动渐入）
if (t === 0) {
return b;
}
if ( (t /= d) == 1 ) {
return b+c;
}
if (!p) {
p=d*0.3;
}
if (!a || a < Math.abs(c)) {
a = c;
var s = p/4;
} else {
var s = p/(2*Math.PI) * Math.asin (c/a);
}
return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
},
elasticOut: function(t, b, c, d, a, p){ //正弦增强曲线（弹动渐出）
if (t === 0) {
return b;
}
if ( (t /= d) == 1 ) {
return b+c;
}
if (!p) {
p=d*0.3;
}
if (!a || a < Math.abs(c)) {
a = c;
var s = p / 4;
} else {
var s = p/(2*Math.PI) * Math.asin (c/a);
}
return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
},
elasticBoth: function(t, b, c, d, a, p){
if (t === 0) {
return b;
}
if ( (t /= d/2) == 2 ) {
return b+c;
}
if (!p) {
p = d*(0.3*1.5);
}
if ( !a || a < Math.abs(c) ) {
a = c;
var s = p/4;
}
else {
var s = p/(2*Math.PI) * Math.asin (c/a);
}
if (t < 1) {
return - 0.5*(a*Math.pow(2,10*(t-=1)) *
Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
}
return a*Math.pow(2,-10*(t-=1)) *
Math.sin( (t*d-s)*(2*Math.PI)/p )*0.5 + c + b;
},
backIn: function(t, b, c, d, s){ //回退加速（回退渐入）
if (typeof s == 'undefined') {
s = 1.70158;
}
return c*(t/=d)*t*((s+1)*t - s) + b;
},
backOut: function(t, b, c, d, s){
if (typeof s == 'undefined') {
s = 3.70158; //回缩的距离
}
return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
},
backBoth: function(t, b, c, d, s){
if (typeof s == 'undefined') {
s = 1.70158;
}
if ((t /= d/2 ) < 1) {
return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
}
return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;
},
bounceIn: function(t, b, c, d){ //弹球减振（弹球渐出）
return c - Tween['bounceOut'](d-t, 0, c, d) + b;
},
bounceOut: function(t, b, c, d){
if ((t/=d) < (1/2.75)) {
return c*(7.5625*t*t) + b;
} else if (t < (2/2.75)) {
return c*(7.5625*(t-=(1.5/2.75))*t + 0.75) + b;
} else if (t < (2.5/2.75)) {
return c*(7.5625*(t-=(2.25/2.75))*t + 0.9375) + b;
}
return c*(7.5625*(t-=(2.625/2.75))*t + 0.984375) + b;
},
bounceBoth: function(t, b, c, d){
if (t < d/2) {
return Tween['bounceIn'](t*2, 0, c, d) * 0.5 + b;
}
return Tween['bounceOut'](t*2-d, 0, c, d) * 0.5 + c*0.5 + b;
}
};
以上就是商品下架特效制作：定时器，倒计时，抖动特效代码的详细内容，更多请关注Gxl网其它相关文章！
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