购物车添加动态数字变化效果
代码语言：html
所属分类：电商
下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>BFW NEW PAGE</title>
<script id="bfwone" data="dep=jquery.17&err=0" type="text/javascript" src="http://repo.bfw.wiki/bfwrepo/js/bfwone.js"></script>
<script type="text/javascript">
bready(function() {
jQuery(document).ready(function($){
var cartWrapper = $('.cd-cart-container');
//product id - you don't need a counter in your real project but you can use your real product id
var productId = 0;
if( cartWrapper.length > 0 ) {
//store jQuery objects
var cartBody = cartWrapper.find('.body')
var cartList = cartBody.find('ul').eq(0);
var cartTotal = cartWrapper.find('.checkout').find('span');
var cartTrigger = cartWrapper.children('.cd-cart-trigger');
var cartCount = cartTrigger.children('.count')
var addToCartBtn = $('.cd-add-to-cart');
var undo = cartWrapper.find('.undo');
var undoTimeoutId;
//add product to cart
addToCartBtn.on('click', function(event){
event.preventDefault();
addToCart($(this));
});
//open/close cart
cartTrigger.on('click', function(event){
event.preventDefault();
toggleCart();
});
//close cart when clicking on the .cd-cart-container::before (bg layer)
cartWrapper.on('click', function(event){
if( $(event.target).is($(this)) ) toggleCart(true);
});
//delete an item from the cart
cartList.on('click', '.delete-item', function(event){
event.preventDefault();
removeProduct($(event.target).parents('.product'));
});
//update item quantity
cartList.on('change', 'select', function(event){
quickUpdateCart();
});
//reinsert item deleted from the cart
undo.on('click', 'a', function(event){
clearInterval(undoTimeoutId);
event.preventDefault();
cartList.find('.deleted').addClass('undo-deleted').one('webkitAnimationEnd oanimationend msAnimationEnd animationend', function(){
$(this).off('webkitAnimationEnd oanimationend msAnimationEnd animationend').removeClass('deleted undo-deleted').removeAttr('style');
quickUpdateCart();
});
undo.removeClass('visible');
});
}
function toggleCart(bool) {
var cartIsOpen = ( typeof bool === 'undefined' ) ? cartWrapper.hasClass('cart-open') : bool;
if( cartIsOpen ) {
cartWrapper.removeClass('cart-open');
//reset undo
clearInterval(undoTimeoutId);
undo.removeClass('visible');
cartList.find('.deleted').remove();
setTimeout(function(){
cartBody.scrollTop(0);
//check if cart empty to hide it
if( Number(cartCount.find('li').eq(0).text()) == 0) cartWrapper.addClass('empty');
}, 500);
} else {
cartWrapper.addClass('cart-open');
}
}
function addToCart(trigger) {
var cartIsEmpty = cartWrapper.hasClass('empty');
//update cart product list
addProduct();
//update number of items
updateCartCount(cartIsEmpty);
//update total price
updateCartTotal(trigger.data('price'), true);
//show cart
cartWrapper.removeClass('empty');
}
function addProduct() {
//this is just a product placeholder
//you should insert an item with the selected product info
//replace productId, productName, price and url with your real product info
productId = productId + 1;
var productAdded = $('<li class="product"><div class="product-image"><a href="#0"><img src="http://repo.bfw.wiki/bfwrepo/image/5e0e93f4b010e.png?x-oss-process=image/auto-orient,1/resize,m_fill,w_100,h_100,/quality,q_90" alt="placeholder"></a></div><div class="product-details"><h3><a href="#0">Product Name</a></h3><span class="price">$25.99</span><div class="actions"><a href="#0" class="delete-item">Delete</a><div class="quantity"><label for="cd-product-'+ productId +'">Qty</label><span class="select"><select id="cd-product-'+ productId +'" name="quantity"><option value="1">1</option><option value="2">2</option><option value="3">3</option><option value="4">4</option><option value="5">5</option><option value="6">6</option><option value="7">7</option><option value="8">8</option><option value="9">9</option></select></span></div></div></div></li>');
cartList.prepend(productAdded);
}
function removeProduct(product) {
clearInterval(undoTimeoutId);
cartList.find('.deleted').remove();
var topPosition = product.offset().top - cartBody.children('ul').offset().top ,
productQuantity = Number(product.find('.quantity').find('select').val()),
productTotPrice = Number(product.find('.price').text().replace('$', '')) * productQuantity;
product.css('top', topPosition+'px').addClass('deleted');
//update items count + total price
updateCartTotal(productTotPrice, false);
updateCartCount(true, -productQuantity);
undo.addClass('visible');
//wait 8sec before completely remove the item
undoTimeoutId = setTimeout(function(){
undo.removeClass('visible');
cartList.find('.deleted').remove();
}, 8000);
}
function quickUpdateCart() {
var quantity = 0;
var price = 0;
cartList.children('li:not(.deleted)').each(function(){
var singleQuantity = Number($(this).find('select').val());
quantity = quantity + singleQuantity;
price = price + singleQuantity*Number($(this).find('.price').text().replace('$', ''));
});
cartTotal.text(price.toFixed(2));
cartCount.find('li').eq(0).text(quantity);
cartCount.find('li').eq(1).text(quantity+1);
}
function updateCartCount(emptyCart, quantity) {
if( typeof quantity === 'undefined' ) {
var actual = Number(cartCount.find('li').eq(0).text()) + 1;
var next = actual + 1;
if( emptyCart ) {
cartCount.find('li').eq(0).text(actual);
cartCount.find('li').eq(1).text(next);
} else {
cartCount.addClass('update-count');
setTimeout(function() {
cartCount.find('li').eq(0).text(actual);
}, 150);
setTimeout(function() {
cartCount.removeClass('update-count');
}, 200);
setTimeout(function() {
cartCount.find('li').eq(1).text(next);
}, 230);
}
} else {
var actual = Number(cartCount.find('li').eq(0).text()) + quantity;
var next = actual + 1;
cartCount.find('li').eq(0).text(actual);
cartCount.find('li').eq(1).text(next);
}
}
function updateCartTotal(price, bool) {
bool ? cartTotal.text( (Number(cartTotal.text()) + price).toFixed(2) ) : cartTotal.text( (Number(cartTotal.text()) - price).toFixed(2) );
}
});
});
</script>
<style>
/* http://meyerweb.com/eric/tools/css/reset/
v2.0 | 20110126
License: none (public domain)
*/
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
margin: 0;
padding: 0;
border: 0;
font-size: 100%;
font: inherit;
vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section, main {
display: block;
}
body {
line-height: 1;
}
ol, ul {
list-style: none;
}
blockquote, q {
quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
content: '';
content: none;
}
table {
border-collapse: collapse;
border-spacing: 0;
}
/* --------------------------------
Primary style
-------------------------------- */
*, *::after, *::before {
box-sizing: border-box;
}
html {
font-size: 62.5%;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
body {
font-size: 1.6rem;
font-family: "Source Sans Pro", sans-serif;
color: #2b3e51;
background-color: #ecf0f1;
}
a {
color: #2c97de;
text-decoration: none;
}
img {
max-width: 100%;
}
main {
text-align: center;
padding: 2em 5%;
}
h1 {
font-size: 2rem;
padding: 3em 0 .8em;
}
@media only screen and (min-width: 768px) {
h1 {
font-size: 3.2rem;
}
}
.cd-add-to-cart {
display: inline-block;
padding: 1.2em 1.8em;
background: #2c97de;
border-radius: 50em;
text-transform: uppercase;
color: #ffffff;
font-weight: 700;
letter-spacing: .1em;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
-webkit-transition: all .2s;
transition: all .2s;
}
.cd-add-to-cart:hover {
background: #42a2e1;
}
.cd-add-to-cart:active {
-webkit-transform: scale(0.9);
-ms-transform: scale(0.9);
transform: scale(0.9);
}
/* --------------------------------
Main Components
-------------------------------- */
.cd-cart-container::before {
/* dark bg layer visible when the cart is open */
content: '';
position: fixed;
z-index: 1;
height: 100vh;
width: 100vw;
top: 0;
left: 0;
background: rgba(0, 0, 0, 0.5);
opacity: 0;
visibility: hidden;
-webkit-transition: opacity .4s, visibility .4s;
transition: opacity .4s, visibility .4s;
}
.cd-cart-container.cart-open::before {
opacity: 1;
visibility: visible;
}
.cd-cart-trigger,
.cd-cart {
position: fixed;
bottom: 20px;
right: 5%;
-webkit-transition: -webkit-transform .2s;
transition: -webkit-transform .2s;
transition: transform .2s;
transition: transform .2s, -webkit-transform .2s;
/* Force Hardware Acceleration in WebKit */
-webkit-transform: translateZ(0);
transform: translateZ(0);
-webkit-backface-visibility: hidden;
will-change: transform;
backface-visibility: hidden;
}
.empty .cd-cart-trigger, .empty
.cd-cart {
/* hide cart */
-webkit-transform: translateY(150px);
-ms-transform: translateY(150px);
transform: translateY(150px);
}
@media only screen and (min-width: 1170px) {
.cd-cart-trigger,
.cd-cart {
bottom: 40px;
}
}
.cd-cart-trigger {
/* button that triggers the cart content */
z-index: 3;
height: 72px;
width: 72px;
/* replace text with image */
text-indent: 100%;
color: transparent;
white-space: nowrap;
}
.cd-cart-trigger::after, .cd-cart-trigger::before {
/* used to create the cart/'X' icon */
content: '';
position: absolute;
left: 50%;
top: 50%;
bottom: auto;
right: auto;
-webkit-transform: translateX(-50%) translateY(-50%);
-ms-transform: translateX(-50%) translateY(-50%);
transform: translateX(-50%) translateY(-50%);
height: 100%;
width: 100%;
background: url(http://repo.bfw.wiki/bfwrepo/icon/5e0fe3ff1dd0a.png) no-repeat center center;
-webkit-transition: opacity .2s, -webkit-transform .2s;
transition: opacity .2s, -webkit-transform .2s;
transition: opacity .2s, transform .2s;
transition: opacity .2s, transform .2s, -webkit-transform .2s;
}
.cd-cart-trigger::after {
/* 'X' icon */
background-position: -72px 0;
opacity: 0;
-webkit-transform: translateX(-50%) translateY(-50%) rotate(90deg);
-ms-transform: translateX(-50%) translateY(-50%) rotate(90deg);
transform: translateX(-50%) translateY(-50%) rotate(90deg);
}
.cart-open .cd-cart-trigger::before {
opacity: 0;
}
.cart-open .cd-cart-trigger::after {
opacity: 1;
-webkit-transform: translateX(-50%) translateY(-50%);
-ms-transform: translateX(-50%) translateY(-50%);
transform: translateX(-50%) translateY(-50%);
}
.cd-cart-trigger .count {
/* number of items indicator */
position: absolute;
top: -10px;
right: -10px;
height: 28px;
width: 28px;
background: #e94b35;
color: #ffffff;
font-size: 1.5rem;
font-weight: bold;
border-radius: 50%;
text-indent: 0;
-webkit-transition: -webkit-transform .2s .5s;
transition: -webkit-transform .2s .5s;
transition: transform .2s .5s;
transition: transform .2s .5s, -webkit-transform .2s .5s;
}
.cd-cart-trigger .count li {
/* this is the number of items in the cart */
position: absolute;
-webkit-transform: translateZ(0);
transform: translateZ(0);
left: 50%;
top: 50%;
bottom: auto;
right: auto;
-webkit-transform: translateX(-50%) translateY(-50%);
-ms-transform: translateX(-50%) translateY(-50%);
transform: translateX(-50%) translateY(-50%);
}
.cd-cart-trigger .count li:last-of-type {
visibility: hidden;
}
.cd-cart-trigger .count.update-count li:last-of-type {
-webkit-animation: cd-qty-enter .15s;
animation: cd-qty-enter .15s;
-webkit-animation-direction: forwards;
animation-direction: forwards;
}
.cd-cart-trigger .count.update-count li:first-of-type {
-webkit-animation: cd-qty-leave .15s;
animation: cd-qty-leave .15s;
-webkit-animation-direction: forwards;
animation-direction: forwards;
}
.cart-open .cd-cart-trigger .count {
-webkit-transition: -webkit-transform .2s 0s;
transition: -webkit-transform .2s 0s;
transition: transform .2s 0s;
transition: transform .2s 0s, -webkit-transform .2s 0s;
-webkit-transform: scale(0);
-ms-transform: scale(0);
transform: scale(0);
}
.empty .cd-cart-trigger .count {
/* fix bug - when cart is empty, do not animat.........完整代码请登录后点击上方下载按钮下载查看
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