<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>购物车</title>
<style>
* {
margin: 0;
padding: 0;
}
#table {
width: 500px;
/* border: 1px solid #cecece; */
margin: 100px auto;
border-collapse: collapse;
text-align: center;
}
#table th {
height: 50px;
border: 1px solid #000000;
background-color: aquamarine;
}
#table td {
height: 50px;
border: 1px solid #000000;
}
</style>
</head>
<body>
<table id="table">
<thead>
<tr>
<th>
全选 <input type="checkbox" :style="xua" v-model='qx' @change='qa()'>
</th>
<th>商品名称</th>
<th>数量</th>
<th>单价</th>
<th>小记</th>
<th>操作</th>
</tr>
</thead>
<tbody>
<tr v-for="(shang,index) in shangs">
<td><input type="checkbox" :style="xua" v-model='shang.m' @change='danxuan()'></td>
<td>{
{
shang.name}}</td>
<td>
<button :style="xua" @click='jian(index)'>-</button> <span id="shu">{
{
shang.shuliang}}</span>
<button :style="xua" @click='add(index)'>+</button>
</td>
<td>单价：¥ <span id="danjia">{
{
shang.danjian}}</span></td>
<td>小记：¥ <span id="xiaoji">{
{
shang.xiaoji}}</span></td>
<td>操作：<button :style="dele" id='shan' @click='shan(index)'>删除</button></td>
</tr>
<tr>
<td colspan="6">商品一共共计<span>{
{
zongjian()}}</span>件，共计花费¥<span>{
{
zongqian()}}</span>元</td>
</tr>
</tbody>
</table>
<script src="./js/vue.js"></script>
<script>
let vue = new Vue({
el: '#table',
data: {
xua: 'width: 20px; height: 20px;',
dele: 'width: 50px; height: 20px;',
// 全选双绑的qx
qx: false,
shangs: [{
m: false,
'name': '水煮鱼',
'shuliang': 0,
'danjian': 22,
'xiaoji': 0
},
{
m: false,
'name': '羊肉泡',
'shuliang': 0,
'danjian': 23,
'xiaoji': 0
},
{
m: false,
'name': '肉夹馍',
'shuliang': 0,
'danjian': 12,
'xiaoji': 0
},
{
m: false,
'name': '凉皮',
'shuliang': 0,
'danjian': 8,
'xiaoji': 0
},
{
m: false,
'name': '炒拉条',
'shuliang': 0,
'danjian': 13,
'xiaoji': 0
}
],
},
methods: {
// 加号事件
add(index) {
this.shangs[index].shuliang++
this.shangs[index].xiaoji = this.shangs[index].shuliang * this.shangs[index].danjian
},
// 减号事件
jian(index) {
if (this.shangs[index].shuliang <= 0) {
this.shangs[index].shuliang = 0
return
}
this.shangs[index].shuliang--
this.shangs[index].xiaoji = this.shangs[index].shuliang * this.shangs[index].danjian
},
// 全选事件
qa() {
for (var i = 0; i < this.shangs.length; i++) {
this.shangs[i].m =this.qx
}
},
// 单选事件
danxuan(){
let a = true
for (var i = 0; i < this.shangs.length; i++) {
if (!this.shangs[i].m) {
a = false
break
}
}
this.qx = a
},
// 总件数
zongjian(){
var zongj = 0
for (var i = 0; i < this.shangs.length; i++){
if (this.shangs[i].m){
zongj = zongj + this.shangs[i].shuliang
}
}
return zongj
},
// 总价
zongqian(){
var money = 0
for (var i = 0; i < this.shangs.length; i++){
if (this.shangs[i].m){
money = money + this.shangs[i].shuliang * this.shangs[i].danjian
}
}
return money
},
// 删除
shan(index){
this.shangs.splice(index,1)
}
}
})
</script>
</body>
</html>
购物车 （vue做法）
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转载自blog.csdn.net/m0_54625720/article/details/113755019
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