1 index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<!-- Always force latest IE rendering engine or request Chrome Frame -->
<meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
<title>购物车</title>
<link href="css/base2.css" rel="stylesheet" >
<link href="css/checkout.css" rel="stylesheet" >
<link href="css/modal.css" rel="stylesheet" >
<style>
.quentity input{
width: 40px;
padding: 5px 10px;
text-align: center;
}
.partContent{
width:100px;
height: 50px;
} .partContent .left{
width:50px;
height:50px;
display: table-cell;
vertical-align: middle;
text-align: center;
float:left;
}
.partContent .right{
width:50px;
height: 50px;
float:left;
cursor:pointer;
}
</style>
</head>
<body class="checkout">
<div id="app">
<svg style="position: absolute; width: 0; height: 0; overflow: hidden;" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<defs>
<symbol id="icon-add" viewBox="0 0 32 32">
<title>add2</title>
<path class="path1" d="M15 17h-13.664c-0.554 0-1.002-0.446-1.002-1 0-0.552 0.452-1 1.002-1h13.664v-13.664c0-0.554 0.446-1.002 1-1.002 0.552 0 1 0.452 1 1.002v13.664h13.664c0.554 0 1.002 0.446 1.002 1 0 0.552-0.452 1-1.002 1h-13.664v13.664c0 0.554-0.446 1.002-1 1.002-0.552 0-1-0.452-1-1.002v-13.664z"></path>
</symbol>
<symbol id="icon-ok" viewBox="0 0 39 32">
<title>ok</title>
<path class="path1" d="M14.084 20.656l-7.845-9.282c-1.288-1.482-3.534-1.639-5.016-0.351s-1.639 3.534-0.351 5.016l10.697 12.306c1.451 1.669 4.057 1.623 5.448-0.096l18.168-22.456c1.235-1.527 0.999-3.765-0.528-5.001s-3.765-0.999-5.001 0.528l-15.573 19.337z"></path>
</symbol>
<symbol id="icon-edit" viewBox="0 0 32 32">
<title>edit</title>
<path class="path1" d="M25.599 11.292l-4.892-4.892 3.825-3.825 4.892 4.892-3.825 3.825zM4.732 23.308l3.959 3.959-5.939 1.98 1.98-5.939zM10.666 26.225l-4.892-4.892 13.425-13.425 4.892 4.892-13.425 13.425zM31.687 6.713l-6.4-6.4c-0.417-0.417-1.091-0.417-1.508 0l-20.267 20.267c-0.114 0.115-0.191 0.25-0.242 0.393-0.003 0.009-0.012 0.015-0.015 0.025l-3.2 9.6c-0.128 0.383-0.029 0.806 0.257 1.091 0.203 0.204 0.476 0.313 0.754 0.313 0.112 0 0.227-0.017 0.337-0.054l9.6-3.2c0.011-0.003 0.017-0.013 0.027-0.016 0.142-0.052 0.276-0.128 0.39-0.242l20.267-20.267c0.417-0.416 0.417-1.091 0-1.508v0z"></path>
</symbol>
<symbol id="icon-del" viewBox="0 0 26 32">
<title>delete</title>
<path class="path1" d="M17.723 28c0.543 0 0.984-0.448 0.984-1v-12c0-0.552-0.441-1-0.984-1s-0.985 0.448-0.985 1v12c0 0.552 0.441 1 0.985 1v0zM7.877 28c0.543 0 0.984-0.448 0.984-1v-12c0-0.552-0.441-1-0.984-1s-0.985 0.448-0.985 1v12c0 0.552 0.441 1 0.985 1v0zM12.8 28c0.543 0 0.985-0.448 0.985-1v-12c0-0.552-0.441-1-0.985-1s-0.984 0.448-0.984 1v12c0 0.552 0.441 1 0.984 1v0zM23.631 4h-5.908v-2c0-1.104-0.882-2-1.969-2h-5.908c-1.087 0-1.969 0.896-1.969 2v2h-5.908c-1.087 0-1.969 0.896-1.969 2v2c0 1.104 0.882 2 1.969 2v18c0 2.208 1.765 4 3.939 4h13.784c2.174 0 3.938-1.792 3.938-4v-18c1.087 0 1.969-0.896 1.969-2v-2c0-1.104-0.882-2-1.969-2v0zM9.846 3c0-0.552 0.441-1 0.984-1h3.938c0.544 0 0.985 0.448 0.985 1v1h-5.908v-1zM21.662 28c0 1.104-0.882 2-1.969 2h-13.784c-1.087 0-1.97-0.896-1.97-2v-18h17.723v18zM22.646 8h-19.692c-0.543 0-0.985-0.448-0.985-1s0.441-1 0.985-1h19.692c0.543 0 0.984 0.448 0.984 1s-0.441 1-0.984 1v0z"></path>
</symbol>
<symbol id="icon-clock" viewBox="0 0 32 32">
<title>clock</title>
<path class="path1" d="M29.333 16c0-7.364-5.97-13.333-13.333-13.333s-13.333 5.97-13.333 13.333c0 7.364 5.97 13.333 13.333 13.333s13.333-5.97 13.333-13.333v0 0 0 0 0 0zM0 16c0-8.837 7.163-16 16-16s16 7.163 16 16c0 8.837-7.163 16-16 16s-16-7.163-16-16zM14.667 14.667v1.333h2.667v-10.667h-2.667v9.333zM24 18.667h1.333v-2.667h-10.667v2.667h9.333z"></path>
</symbol>
</defs>
</svg> <div class="container">
<div class="cart">
<div class="checkout-title">
<span>购物车</span>
</div> <!-- table -->
<div class="item-list-wrap">
<div class="cart-item">
<div class="cart-item-head">
<ul>
<li>商品信息</li>
<li>商品金额</li>
<li>商品数量</li>
<li>总金额</li>
<li>编辑</li>
</ul>
</div>
<!--购物车商品列表 start-->
<ul class="cart-item-list">
<li v-for="(item, key, index) in productList">
<div class="cart-tab-1">
<div class="cart-item-check">
<a href="javascript:void 0" class="item-check-btn"
v-bind:class="{'check':item.checked}" @click="selectedProduct(item)">
<svg class="icon icon-ok"><use xlink:href="#icon-ok"></use></svg>
</a>
</div>
<div class="cart-item-pic">
<img v-bind:src="item.productImage" v-bind:alt="item.productName">
</div>
<div class="cart-item-title">
<div class="item-name">{{item.productName}}</div>
</div>
<div class="item-include">
<dl>
<dt>赠送:</dt>
<dd v-for="part in item.parts">
<div class="partContent">
<div class="left">
<span>{{part.partsName}}</span>
</div>
<div class="right">
<img style="width:50px"/>
</div>
</div>
</dd>
</dl>
</div>
</div>
<div class="cart-tab-2">
<div class="item-price">{{item.productPrice | formatMoney}}</div>
</div>
<div class="cart-tab-3">
<div class="item-quantity">
<div class="select-self select-self-open">
<div class="quentity">
<a href="javascript:void 0" @click="changeMoney(item,-1)">-</a>
<input type="text" disabled value="0" v-model="item.productQuentity">
<a href="javascript:void 0" v-on:click="changeMoney(item,1)">+</a>
</div>
</div>
<div class="item-stock">有货</div>
</div>
</div>
<div class="cart-tab-4">
<div class="item-price-total">{{item.productPrice*item.productQuentity | money('元')}}</div>
</div>
<div class="cart-tab-5">
<div class="cart-item-opration">
<a href="javascript:void 0" class="item-edit-btn" @click="delConfirm(item)">
<svg class="icon icon-del"><use xlink:href="#icon-del"></use></svg>
</a>
</div>
</div>
</li>
</ul>
<!--购物车商品列表 end-->
</div>
</div> <!-- footer -->
<div class="cart-foot-wrap">
<div class="cart-foot-l">
<div class="item-all-check">
<a href="javascript:void 0">
<span class="item-check-btn" :class="{check: checkAllFlag}" @click="checkAll(true)">
<svg class="icon icon-ok"><use xlink:href="#icon-ok"></use></svg>
</span>
<span>全选</span>
</a>
</div>
<div class="item-all-del">
<a href="javascript:void 0" class="item-del-btn" @click="checkAll(false)">
取消全选
</a>
</div>
</div>
<div class="cart-foot-r">
<div class="item-total">
总额: <span class="total-price">{{totalAllPrice | money('元')}}</span>
</div>
<div class="next-btn-wrap">
<a href="address.html" class="btn btn--red">结账</a>
</div>
</div>
</div>
</div>
</div> <div class="md-modal modal-msg md-modal-transition" id="showModal" :class="{'md-show':delFlag}">
<div class="md-modal-inner">
<div class="md-top">
<button class="md-close" @click="delFlag=false">关闭</button>
</div>
<div class="md-content">
<div class="confirm-tips">
<p id="cusLanInfo">你确认删除此订单信息吗?</p>
</div>
<div class="btn-wrap col-2">
<button class="btn btn--m" id="btnModalConfirm" @click="delProduct()">确定</button>
<button class="btn btn--m btn--red" id="btnModalCancel" @click="delFlag=false">取消</button>
</div>
</div>
</div>
</div>
<div class="md-overlay" v-show="delFlag"></div>
</div>
<script type="text/javascript" src="node_modules/vue/dist/vue.js"></script>
<script type="text/javascript" src="node_modules/axios/dist/axios.js"></script>
<script type="text/javascript" src="js/cart.js"></script>
</body>
</html>
2 cart.js
/**
* Created by Administrator on 2017/4/2 0002.
*/
// Vue.config.silent = true; 用于取消 Vue 所有的日志与警告
let vmCart = new Vue({
el: '#app',
data: {
totalMoney: 0, //单商品总金额
totalAllPrice: 0, //选择所有商品的总金额
productList: [], //作为商品列表
checkAllFlag: false, //是否全选 存在该变量才能被监听到
delFlag: false, //是否删除
delIndex: '' //保留点击删除哪个li的索引
},
filters: { //局部过滤器
formatMoney: function (value) { //格式化价格格式
return "￥"+value.toFixed(2);
},
},
mounted: function(){ //dom加载完后(生命周期)实例创建后查询某个方法钩子函数--进来之后查询商品
//this.cartView(); //2使用
this.$nextTick(function () {
//mounted不能保证此时new Vue()一定实例化了(使用vmCart可能会报错)
//$nextTick()可以保证一定是实例化后了
vmCart.cartView();
});
},
methods: {
cartView: function(){ //1定义
const _this = this; //这里的this指向vmCart
axios.get('data/cartData.json') //使用axios
.then(function(res){ //then回调函数
// 使用箭头函数的话，this的作用域并不会变，还是指向vmCart
// (res)=>{
// if(res.status == 200){
// this.totalMoney = res.data.result.totalMoney;
// this.list = res.data.result.list;
// }
// }
// 不使用箭头函数的场合
// 如果要使用vmCart实例，
// 就必须在mounted钩子函数里再调用一次$nextTick方法才能保证el被render在dom中
//res 数据库返回的对象
//res.data.result.list 返回的数据数组
//console.log(res);
if(res.status == 200){ //状态为200时执行后面语句
_this.productList = res.data.result.list;
_this.totalMoney = res.data.result.totalMoney;
}
})
.catch(function(err){
console.log('get data error...'); //从数据库获取数据出现问题
});
},
changeMoney: function (item, way) { //商品数量增加和减少
if(way>0){ //点击了+
item.productQuentity++;
}else{ //点击了-
item.productQuentity<=0?item.productQuentity = 0:item.productQuentity--;
}
this.calcTotalPrice();
},
selectedProduct: function (item) {
if(typeof item.checked == 'undefined'){ //判断item.checked是否存在
Vue.set(item, 'checked', true); //向item全局注册了一个属性checked值为true
//this.$set(item, 'checked', true);//局部注册item.checked
}else{ //存在--即至少点击了一次后
item.checked = !item.checked;
};
this.calcTotalPrice();
},
checkAll: function (flag) { //全选/取消全选
this.checkAllFlag = flag;
this.productList.forEach((item, index) => {
//这里存在一个问题当用户直接点击全选
//此时item.check还未存在这个属性 所以要检测一下
if(typeof item.checked == 'undefined'){
//Vue.set(item, 'checked', true);
this.$set(item, 'checked', this.checkAllFlag); //箭头函数内部还是外部作用域的this
}else{
item.checked = this.checkAllFlag;
}
});
this.calcTotalPrice();
},
calcTotalPrice: function () { //计算选中商品总金额函数
this.totalAllPrice = 0;
this.productList.forEach((item, index) => {
if(item.checked){ //说明这个商品选中了
this.totalAllPrice += item.productPrice*item.productQuentity;
}
})
},
delConfirm: function (item) { //点击删除按钮
this.delFlag = true;
this.delIndex = item;
},
delProduct: function () { //删除点击了删除的商品
let index = this.productList.indexOf(this.delIndex);
this.productList.splice(index,1);
//vue2开始认为js就有删除数组的方法故自己写操作
//实际项目中需要把这个商品的信息传递到后台
this.delFlag = false;
}
}
}); Vue.filter('money', (value, type) => { //全局过滤器
return "￥"+ value.toFixed(2) + type;
});
3 自己理解