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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style>
* {
margin: 0;
padding: 0;
}
body {
width: 960px;
margin: 20px auto;
}
#cart {
margin: 0 auto;
width: 850px;
}
#cart-header {
height: 40px;
background-color: lightgray;
margin-bottom: 20px;
}
#cart-header div {
line-height: 40px;
}
.left {
float: left;
}
.right {
float: right;
}
.w110 {
width: 100px;
}
.ml10 {
margin-left: 10px;
}
.w120 {
width: 120px;
}
.w250 {
width: 250px;
}
.center {
text-align: center;
}
.w20 {
width: 20px;
}
.w90 {
width: 90px;
}
.clear {
clear: both;
}
#cart-items>div {
height: 100px;
}
#cart-items>div>div {
line-height: 100px;
}
.w250 span {
display: inline-block;
font-size: 12px;
line-height: 16px !important;
}
.single-item {
border-bottom: 1px solid gray;
}
.small-button {
display: inline-block;
width: 20px;
height: 20px;
border: none;
}
.big-button {
color: white;
background-color: red;
display: inline-block;
width: 120px;
height: 40px;
border: none;
font-size: 22px;
}
#totalCount, #totalPrice {
color: red;
}
#totalPrice {
font: bolder 20px Arial;
display: inline-block;
width: 150px;
}
#cart a {
text-decoration: none;
}
#cart a:link, #cart a:visited, #cart a:active {
color: gray;
}
</style>
</head>
<body>
<div id="cart">
<div id="cart-header">
<div class="left w110 ml10">
<input id="selectAll" type="checkbox">
<label for="selectAll">全选</label>
</div>
<div class="left w250">商品</div>
<div class="left w120 center">单价</div>
<div class="left w120 center">数量</div>
<div class="left w120 center">小计</div>
<div class="left w120 center">操作</div>
</div>
<div id="cart-items">
<div class="clear single-item">
<div class="left w20 ml10">
<input name="selectOne" type="checkbox">
</div>
<div class="left w90">
<a href="">
<img src="img/a1.jpg">
</a>
</div>
<div class="left w250">
<span>
海澜之家/Heilan Home春装商务白衬衫男修身HNCAD3A067Y 漂白(69) 漂
</span>
</div>
<div class="left w120 center">¥<span class="price">138.00</span></div>
<div class="left w120 center">
<button class="small-button">-</button>
<input class="center count" type="text" size="2" value="1">
<button class="small-button">+</button>
</div>
<div class="left w120 center">¥<span>138.00</span></div>
<div class="left w120 center">
<a href="javascript:void(0);">删除</a>
</div>
</div>
<div class="clear single-item">
<div class="left w20 ml10">
<input name="selectOne" type="checkbox">
</div>
<div class="left w90">
<a href="">
<img src="img/a2.jpg">
</a>
</div>
<div class="left w250">
<span>
HLA海澜之家长袖衬衫男牛津纺休闲干净透气HNEAJ1E048A浅灰
</span>
</div>
<div class="left w120 center">¥<span class="price">128.00</span></div>
<div class="left w120 center">
<button class="small-button">-</button>
<input class="center count" type="text" size="2" value="1">
<button class="small-button">+</button>
</div>
<div class="left w120 center">¥<span>128.00</span></div>
<div class="left w120 center">
<a href="javascript:void(0);">删除</a>
</div>
</div>
<div class="clear single-item">
<div class="left w20 ml10">
<input name="selectOne" type="checkbox">
</div>
<div class="left w90">
<a href="">
<img src="img/a3.jpg">
</a>
</div>
<div class="left w250">
<span>
HLA海澜之家牛津纺清新休闲衬衫2018春季新品质感柔软长袖衬衫男
</span>
</div>
<div class="left w120 center">¥<span class="price">99.00</span></div>
<div class="left w120 center">
<button class="small-button">-</button>
<input class="center count" type="text" size="2" value="1">
<button class="small-button">+</button>
</div>
<div class="left w120 center">¥99.00</div>
<div class="left w120 center">
<a href="javascript:void(0);">删除</a>
</div>
</div>
</div>
<div id="cart-footer">
<div class="clear left">
<a id="clearSelected" href="javascript:void(0);">删除选中商品</a>
</div>
<div class="right">
<span>总共选中了<span id="totalCount">0</span>件商品</span>
<span>总计: <span id="totalPrice">¥0.00</span></span>
<button id="pay" class="big-button">去结算</button>
</div>
</div>
</div>
<script src="js/jquery.min.js"></script>
<script>
function calcTotal() {
var amountsInput = $('.single-item input[type=text]');
var pricesSpan = $('.single-item .price');
var checkboxes = $('.single-item input[type=checkbox]');
var totalAmount = 0;
var totalPrice = 0;
amountsInput.each(function(index) {
if (checkboxes[index].checked) {
var amount = parseInt($(this).val());
totalAmount += amount;
var price = parseFloat($(pricesSpan[index]).text());
var currentPrice = (price * amount).toFixed(2);
$(this).parent().next().find('span').text(currentPrice);
totalPrice += parseFloat(currentPrice);
}
});
$('#totalCount').text(totalAmount);
$('#totalPrice').text('￥' + totalPrice.toFixed(2));
}
$(function() {
$('#selectAll').on('click', function(evt) {
$('.single-item input[type=checkbox]').prop('checked', evt.target.checked);
calcTotal();
});
$('.single-item button').on('click', function(evt) {
var op = $(evt.target).text();
if (op == '-') {
var numInput = $(evt.target).next();
var num = parseInt(numInput.val());
if (num > 1) {
numInput.val(num - 1);
}
} else {
var numInput = $(evt.target).prev();
var num = parseInt(numInput.val());
if (num < 200) {
numInput.val(num + 1);
}
}
$(evt.target).parent().parent().find('input[type=checkbox]').prop('checked', true);
calcTotal();
});
$('.single-item input[type=checkbox]').on('click', function() {
calcTotal();
});
$('.single-item a').on('click', function(evt) {
if (confirm('确定要删除该商品吗?')) {
$(evt.target).parent().parent().remove();
calcTotal();
}
});
$('#clearSelected').on('click', function() {
if (confirm('确定要删除选中的商品吗?')) {
$('.single-item').each(function() {
if ($(this).find('input:checkbox').prop('checked')) {
$(this).remove();
}
});
calcTotal();
}
});
});
</script>
</body>
</html>
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