Vue实现购物车 | 世外天堂

Vue实现购物车

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字数统计: 1.4k字 | 阅读时长 ≈ 8分钟

主要实现的功能有：商品的单价，商品的总价，商品的单选和全选，商品数量的修改，商品的删除等功能。
该小型项目采用Vue框架作为主要操作DOM的手段，代码完全原创
实现效果如下：
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<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<meta name="viewport" content="width=device-width, initial-scale=1">
		<title></title>
		<script src="js/vue.js" type="text/javascript" charset="utf-8"></script>
		<style type="text/css">
			html {
				font-size: 100px;
			}

			body {
				font-size: 16px;
			}

			* {
				margin: 0;
				padding: 0;
			}

			li {
				list-style-type: none;
			}

			#box {
				margin-top: 0.4rem;
			}

			.shop-item {
				height: 1.3rem;
				display: flex;
				justify-content: space-between;
				align-items: center;
				background: rgb(252, 252, 252);
				margin-top: 0.1rem;
				position: relative;
			}
			.shop-item:nth-last-of-type(1){
				margin-bottom: 0.6rem;
			}

			.shop-item {
				border: 0.01rem solid #e5e5e5;
			}

			.delete {
				height: 100%;
				width: 0.6rem;
				color: white;
				outline: none;
				background: rgb(221, 0, 27);
				border: none;
			}

			.delete:after {
				content: '删除';
			}

			a:link {
				text-decoration: none;
			}

			.shop-item img {
				margin-left: 0.05rem;
				max-height: 0.8rem;
				max-width: 0.8rem;
			}

			.shop-item a {
				color: #3c3c3c;
			}

			.shop-name {
				font-size: 0.12rem;
				overflow: hidden;
				height: 0.5rem;
			}

			.shop-name a:hover {
				color: #f40;
				text-decoration: underline;
			}

			.size {
				color: #9c9c9c;
				font-size: 0.12rem;
				overflow: hidden;
			}

			.item-main {
				box-sizing: border-box;
				padding: 0 0 0 0.05rem;
				height: 0.8rem;
				width: 1.5rem;
			}

			.price {
				color: #3c3c3c;
				font-size: 0.12rem;
				font-weight: 700;
				font-family: Verdana, Tahoma, arial;
			}

			.count {
				outline: none;
				box-sizing: border-box;
				height: 0.25rem;
				line-height: 0.15rem;
				border: 0.01rem solid #aaa;
				color: #343434;
				width: 0.4rem;
				text-align: center;
				padding: 0.04rem 0.05rem;
				background-color: #fff;
				background-position: -0.75rem -3.75rem;
				float: left;
			}
			.reduce,.add {
				float: left;
				height: 0.25rem;
				width: 0.15rem;
				border: 0.01rem solid #e5e5e5;
				background: #f0f0f0;
				text-align: center;
				line-height: 0.23rem;
				color: #444;
				top: 0;
				outline: none;
			}

			#countbox {
				display: flex;
				flex-flow: nowrap;
			}

			.item-sum {
				text-align: center;
				color: #f40;
				font-size: 0.12rem;
				font-weight: 700;
			}

			.total .item-total {
				font-size: 0.12rem;
				color: #f40;
				font-weight: 700;
				right: 100px;
			}

			.head {
				height: 0.3rem;
				background: rgb(221, 0, 27);
				width: 100%;
				display: flex;
				justify-content: center;
				align-items: center;
				color: white;
				position: fixed;
				top: 0;
				z-index: 999;
			}

			.foot {				
				z-index: 999;
				height: 0.5rem;
				background: #E5E5E5;
				width: 100%;
				display: flex;
				justify-content: space-between;
				align-items: center;
				color: white;
				position: fixed;
				bottom: 0;

			}

			.total {
				display: flex;
				flex-flow: nowrap;
				align-items: center;
				color: black;
				height: 100%;
			}

			.head:after {
				content: '购物车';
			}

			.footse {
				align-items: center;
				margin-left: 0.1rem;
				display: flex;
				flex-flow: nowrap;
			}

			.foottext {
				color: black;
				font-size: 14px;
				white-space: nowrap;
			}

			.foottext:after {
				content: '全选';
			}

			.submit {
				border: none;
				outline: none;
				height: 100%;
				width: 0.6rem;
				color: white;
				background: rgb(221, 0, 27);
			}

			.submit:after {
				content: '结算';
			}

			.singleselect {
				margin-left: 0.1rem;
			}
			.nodata{
				display: flex;
				margin: 0 auto;
				height: 3rem;
				width: 3rem;
				background-image: url(img/nodata02.png);
				background-repeat: no-repeat;
				justify-content: center;
				align-items: flex-end;
				background-size: cover;
				font-size: 14px;
				color: #6d757a;
			}
			.totaltxt{
				padding-right: 0.1rem;
			}
		</style>
	</head>
	<body>
		<header>
			<div class="head"></div>
		</header>
		<div id="box">
		<div v-if="items.length">			
			<main>
					<template v-for="(item,index) in items">
						<div class="shop-item">
							<input v-model="items[index].checked" type="checkbox" name="" class="singleselect" value="" />
							<img :src="item.src">
							<div class="item-main">
								<div class="shop-name"><a href="#">{{item.name}}</a></div>
								<div class="size">{{item.size}}</div>
							</div>
							<div class="price">￥{{item.price}}</div>
							<div id="countbox">
								<button type="button" @click="countReduce(index)" class="reduce">-</button>
								<input v-model="item.count" type="text" name="" class="count" value="" />
								<button type="button" @click="countAdd(index)" class="add">+</button>
							</div>
							<div class="item-sum">￥{{item.price*item.count}}</div>
							<button type="button" v-on:click="bookRemove" class="delete"></button>
						</div>
					</template>
			</main>
			<footer>
				<div class="foot">
					<div class="footse">
						<input v-model="checked" @click="all" type="checkbox" name="" id="allselect" value="" />
						<label for="allselect" class="foottext"></label>
					</div>
					<div class="total">
						<div class="totaltxt">
							<span style="font-size: 14px;white-space: nowrap;">合计:</span><span class="item-total">￥{{sum}}</span>
						</div>						
					<button type="button" class="submit"></button></div>
				</div>
			</footer>			
		</div>
		<div v-else>
			<main>
				<div class="nodata">
					<p>你还暂时没有商品哦~</p>
				</div>
			</main>
			<footer>
					<div class="foot">
						<div class="footse">						
						</div>
					</div>
				</footer>
		</div>
		</div>
	</body>
	<script type="text/javascript">
		var app = new Vue({
			el: '#box',
			data: {
				keywords:'',
				checked: false,
				items: [{
						src: 'https://img.alicdn.com/bao/uploaded/i1/2200798231128/O1CN01OpBz5w1KCfK7ZIb5g_!!2200798231128.jpg_80x80.jpg',
						name: '优质舰队collection舰娘响手办响爷二次元动漫美少女机箱精品摆件',
						size: '尺寸：精品现货送海报',
						price: 79,
						count: 1,
						checked: false
					},
					{
						src: 'https://img.alicdn.com/bao/uploaded/i3/1085315961/O1CN013r8Hhq1tuBWw3AoNp_!!0-item_pic.jpg_80x80.jpg',
						name: '【年货价】Razer雷蛇黑寡妇蜘蛛竞技幻彩版V2电竞游戏87机械键盘RGB背光吃鸡',
						size: '套餐类型：官方标配 颜色分类：87键(绿轴)',
						price: 749,
						count: 1,
						checked: false
					}
				]
			},
			mounted: function() {},
			methods: {
				all: function() {
					if (!this.checked) {
						for (var i = 0; i < this.items.length; i++) {						
							this.items[i].checked=true;
						}
					}
					else{
						for (var i = 0; i < this.items.length; i++) {						
							this.items[i].checked=false;
						}
					}
				},
				countAdd: function(index) {
					this.items[index].count++;

				},
				countReduce: function(index) {
					if (this.items[index].count == 1) {
						return;
					}
					this.items[index].count--;
				},
				bookRemove: function() {
					for (var i = 0; i < this.items.length; i++) {
						this.items.splice(i, 1);
					}
				},
				search:function(keywords){
				 var newList=[];
				 for(var i=0;i<this.items.length;i++){
				  if(this.items[i].name.indexOf(keywords)!==-1){
				    newList.push(this.items[i])
				  }
				 }
				 return newList
				}

			},
			computed: {
				sum: function() {
					var total = 0;					
					for (var i = 0; i < this.items.length; i++) {
						if(this.items[i].checked==true){
						total += this.items[i].price * this.items[i].count;}
					}
					return total;
				}
			}
		});
	</script>
</html>