Complete the shopping cart function with jQuery

Language 2023-07-26 01:30:00 views: null

1. HTML code

<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <title>我的购物车</title>
    <!-- 引入css 初始化的css 文件 -->
    <link rel="stylesheet" href="css/base.css">
    <!-- 引入公共样式的css 文件 -->
    <link rel="stylesheet" href="css/common.css">
    <!-- 引入car css -->
    <link rel="stylesheet" href="css/car.css">
    <!-- 先引入jquery  -->
    <script src="js/jquery.min.js"></script>
</head>

<body>

    <div class="c-container">
        <div class="w">
            <div class="cart-filter-bar">
                <em>全部商品</em>
            </div>
            <!-- 购物车主要核心区域 -->
            <div class="cart-warp">
                <!-- 头部全选模块 -->
                <div class="cart-thead">
                    <div class="t-checkbox">
                        <input type="checkbox" name="" id="" class="checkall"> 全选
                    </div>
                    <div class="t-goods">商品</div>
                    <div class="t-price">单价</div>
                    <div class="t-num">数量</div>
                    <div class="t-sum">小计</div>
                    <div class="t-action">操作</div>
                </div>
                <!-- 商品详细模块 -->
                <div class="cart-item-list">
                    <div class="cart-item check-cart-item">
                        <div class="p-checkbox">
                            <input type="checkbox" name="" id="" checked class="j-checkbox">
                        </div>
                        <div class="p-goods">
                            <div class="p-img">
                                <img src="upload/p1.jpg" alt="">
                            </div>
                            <div class="p-msg">【5本26.8元】经典儿童文学彩图青少版八十天环游地球中学生语文教学大纲</div>
                        </div>
                        <div class="p-price">￥12.60</div>
                        <div class="p-num">
                            <div class="quantity-form">
                                <a href="javascript:;" class="decrement">-</a>
                                <input type="text" class="itxt" value="1">
                                <a href="javascript:;" class="increment">+</a>
                            </div>
                        </div>
                        <div class="p-sum">￥12.60</div>
                        <div class="p-action"><a href="javascript:;">删除</a></div>
                    </div>
                    <div class="cart-item">
                        <div class="p-checkbox">
                            <input type="checkbox" name="" id="" class="j-checkbox">
                        </div>
                        <div class="p-goods">
                            <div class="p-img">
                                <img src="upload/p2.jpg" alt="">
                            </div>
                            <div class="p-msg">【2000张贴纸】贴纸书 3-6岁 贴画儿童 贴画书全套12册 贴画 贴纸儿童 汽</div>
                        </div>
                        <div class="p-price">￥24.80</div>
                        <div class="p-num">
                            <div class="quantity-form">
                                <a href="javascript:;" class="decrement">-</a>
                                <input type="text" class="itxt" value="1">
                                <a href="javascript:;" class="increment">+</a>
                            </div>
                        </div>
                        <div class="p-sum">￥24.80</div>
                        <div class="p-action"><a href="javascript:;">删除</a></div>
                    </div>
                    <div class="cart-item">
                        <div class="p-checkbox">
                            <input type="checkbox" name="" id="" class="j-checkbox">
                        </div>
                        <div class="p-goods">
                            <div class="p-img">
                                <img src="upload/p3.jpg" alt="">
                            </div>
                            <div class="p-msg">唐诗三百首+成语故事全2册 一年级课外书 精装注音儿童版 小学生二三年级课外阅读书籍</div>
                        </div>
                        <div class="p-price">￥29.80</div>
                        <div class="p-num">
                            <div class="quantity-form">
                                <a href="javascript:;" class="decrement">-</a>
                                <input type="text" class="itxt" value="1">
                                <a href="javascript:;" class="increment">+</a>
                            </div>
                        </div>
                        <div class="p-sum">￥29.80</div>
                        <div class="p-action"><a href="javascript:;">删除</a></div>
                    </div>
                </div>

                <!-- 结算模块 -->
                <div class="cart-floatbar">
                    <div class="select-all">
                        <input type="checkbox" name="" id="" class="checkall">全选
                    </div>
                    <div class="operation">
                        <a href="javascript:;" class="remove-batch"> 删除选中的商品</a>
                        <a href="javascript:;" class="clear-all">清理购物车</a>
                    </div>
                    <div class="toolbar-right">
                        <div class="amount-sum">已经选<em>1</em>件商品</div>
                        <div class="price-sum">总价： <em>￥12.60</em></div>
                        <div class="btn-area">去结算</div>
                    </div>
                </div>
            </div>
        </div>

    </div>
</body>

</html>

2. css code

.car-header {
    padding: 20px 0;
}

.car-logo img {
    vertical-align: middle;
}

.car-logo b {
    font-size: 20px;
    margin-top: 20px;
    margin-left: 10px;
}

.cart-filter-bar {
    font-size: 16px;
    color: #E2231A;
    font-weight: 700;
}

.cart-filter-bar em {
    padding: 5px;
    border-bottom: 1px solid #E2231A;
}

.cart-thead {
    height: 32px;
    line-height: 32px;
    margin: 5px 0 10px;
    padding: 5px 0;
    background: #f3f3f3;
    border: 1px solid #e9e9e9;
    border-top: 0;
    position: relative;
}

.cart-thead>div,
.cart-item>div {
    float: left;
}

.t-checkbox,
.p-checkbox {
    height: 18px;
    line-height: 18px;
    padding-top: 7px;
    width: 122px;
    padding-left: 11px;
}

.t-goods {
    width: 400px;
}

.t-price {
    width: 120px;
    padding-right: 40px;
    text-align: right;
}

.t-num {
    width: 150px;
    text-align: center;
}

.t-sum {
    width: 100px;
    text-align: right;
}

.t-action {
    width: 130px;
    text-align: right;
}

.cart-item {
    height: 160px;
    border-style: solid;
    border-width: 2px 1px 1px;
    border-color: #aaa #f1f1f1 #f1f1f1;
    background: #fff;
    padding-top: 14px;
    margin: 15px 0;
}

.check-cart-item {
    background: #fff4e8;
}

.p-checkbox {
    width: 50px;
}

.p-goods {
    margin-top: 8px;
    width: 565px;
}

.p-img {
    float: left;
    border: 1px solid #ccc;
    padding: 5px;
}

.p-msg {
    float: left;
    width: 210px;
    margin: 0 10px;
}

.p-price {
    width: 110px;
}

.quantity-form {
    width: 80px;
    height: 22px;
}

.p-num {
    width: 170px;
}

.decrement,
.increment {
    float: left;
    border: 1px solid #cacbcb;
    height: 18px;
    line-height: 18px;
    padding: 1px 0;
    width: 16px;
    text-align: center;
    color: #666;
    margin: 0;
    background: #fff;
    margin-left: -1px;
}

.itxt {
    float: left;
    border: 1px solid #cacbcb;
    width: 42px;
    height: 18px;
    line-height: 18px;
    text-align: center;
    padding: 1px;
    margin: 0;
    margin-left: -1px;
    font-size: 12px;
    font-family: verdana;
    color: #333;
    -webkit-appearance: none;
}

.p-sum {
    font-weight: 700;
    width: 145px;
}


/* 结算模块 */

.cart-floatbar {
    height: 50px;
    border: 1px solid #f0f0f0;
    background: #fff;
    position: relative;
    margin-bottom: 50px;
    line-height: 50px;
}

.select-all {
    float: left;
    height: 18px;
    line-height: 18px;
    padding: 16px 0 16px 9px;
    white-space: nowrap;
}

.select-all input {
    vertical-align: middle;
    display: inline-block;
    margin-right: 5px;
}

.operation {
    float: left;
    width: 200px;
    margin-left: 40px;
}

.clear-all {
    font-weight: 700;
    margin: 0 20px;
}

.toolbar-right {
    float: right;
}

.amount-sum {
    float: left;
}

.amount-sum em {
    font-weight: 700;
    color: #E2231A;
    padding: 0 3px;
}

.price-sum {
    float: left;
    margin: 0 15px;
}

.price-sum em {
    font-size: 16px;
    color: #E2231A;
    font-weight: 700;
}

.btn-area {
    font-weight: 700;
    width: 94px;
    height: 52px;
    line-height: 52px;
    color: #fff;
    text-align: center;
    font-size: 18px;
    font-family: "Microsoft YaHei";
    background: #e54346;
    overflow: hidden;
}
/*清除元素默认的内外边距  */
* {
    margin: 0;
    padding: 0
}
/*让所有斜体 不倾斜*/
em,
i {
    font-style: normal;
}
/*去掉列表前面的小点*/
li {
    list-style: none;
}
/*图片没有边框   去掉图片底侧的空白缝隙*/
img {
    border: 0;  /*ie6*/
    vertical-align: middle;
}
/*让button 按钮 变成小手*/
button {
    cursor: pointer;
}
/*取消链接的下划线*/
a {
    color: #666;
    text-decoration: none;
}

a:hover {
    color: #e33333;
}

button,
input {
    font-family: 'Microsoft YaHei', 'Heiti SC', tahoma, arial, 'Hiragino Sans GB', \\5B8B\4F53, sans-serif;
    /*取消轮廓线 蓝色的*/
    outline: none;
}

body {
    background-color: #fff;
    font: 12px/1.5 'Microsoft YaHei', 'Heiti SC', tahoma, arial, 'Hiragino Sans GB', \\5B8B\4F53, sans-serif;
    color: #666
}

.hide,
.none {
    display: none;
}
/*清除浮动*/
.clearfix:after {
    visibility: hidden;
    clear: both;
    display: block;
    content: ".";
    height: 0
}

.clearfix {
    *zoom: 1
}

/*公共样式*/

.fl {
    float: left;
}

.fr {
    float: right;
}

@font-face {
    font-family: 'icomoon';
    src: url('../fonts/icomoon.eot?7kkyc2');
    src: url('../fonts/icomoon.eot?7kkyc2#iefix') format('embedded-opentype'), url('../fonts/icomoon.ttf?7kkyc2') format('truetype'), url('../fonts/icomoon.woff?7kkyc2') format('woff'), url('../fonts/icomoon.svg?7kkyc2#icomoon') format('svg');
    font-weight: normal;
    font-style: normal;
}

.fr .icomoon {
    font-family: 'icomoon';
    font-size: 16px;
    line-height: 26px;
}


/*版心*/

.w {
    width: 1200px;
    margin: 0 auto;
}

.style-red {
    color: #c81623;
}

.spacer {
    width: 1px;
    height: 12px;
    background-color: #666;
    margin: 9px 12px 0;
}


/*顶部快捷导航*/

.shortcut {
    height: 31px;
    background-color: #f1f1f1;
    line-height: 31px;
}

.shortcut li {
    float: left;
}


/*header区域*/

.header {
    position: relative;
    height: 105px;
}

.logo {
    position: absolute;
    top: 25px;
    left: 0;
    width: 175px;
    height: 56px;
}

.logo a {
    display: block;
    /*overflow: hidden;*/
    width: 175px;
    height: 56px;
    background: url(../img/logo.png) no-repeat;
    /*text-indent: -999px;*/
    font-size: 0;
}

.search {
    position: absolute;
    top: 25px;
    left: 348px;
}

.text {
    float: left;
    width: 445px;
    height: 32px;
    border: 2px solid #b1191a;
    padding-left: 10px;
    color: #ccc;
}

.btn {
    float: left;
    width: 82px;
    height: 36px;
    background-color: #b1191a;
    border: 0;
    font-size: 16px;
    color: #fff;
}

.hotwrods {
    position: absolute;
    top: 65px;
    left: 348px;
}

.hotwrods a {
    margin: 0 10px;
}

.shopcar {
    position: absolute;
    top: 25px;
    right: 64px;
    width: 138px;
    height: 34px;
    border: 1px solid #dfdfdf;
    background-color: #f7f7f7;
    line-height: 34px;
    text-align: center;
}

.car {
    font-family: 'icomoon';
    color: #da5555;
}

.arrow {
    font-family: 'icomoon';
    margin-left: 5px;
}

.count {
    position: absolute;
    top: -5px;
    /*应该是左侧对齐 文字才能往右走显示*/
    left: 100px;
    background-color: #e60012;
    height: 14px;
    padding: 0 3px;
    line-height: 14px;
    color: #fff;
    /*border-radius: 左上角 右上角  右下角  左下角;*/
    border-radius: 7px 7px 7px 0;
}


/*nav start*/

.nav {
    height: 45px;
    border-bottom: 2px solid #b1191a;
}

.dropdown {
    width: 209px;
    height: 45px;
}

.dropdown .dt {
    height: 100%;
    background-color: #b1191a;
    font-size: 16px;
    color: #fff;
    text-align: center;
    line-height: 45px;
}

.dropdown .dd {
    height: 465px;
    background-color: #c81623;
    margin-top: 2px;
}

.menu_item:hover {
    background-color: #fff;
}


/*鼠标经过li 里面的 a变颜色*/

.menu_item:hover a {
    color: #c81623;
}

.menu_item {
    height: 31px;
    line-height: 31px;
    margin-left: 1px;
    padding: 0 10px;
    transition: all .5s;
}

.menu_item:hover {
    padding-left: 20px;
}

.menu_item a {
    font-size: 14px;
    color: #fff;
}

.menu_item i {
    float: right;
    font-family: 'icomoon';
    font-size: 18px;
    color: #fff;
}

.navitems {
    margin-left: 10px;
}

.navitems li {
    float: left;
}

.navitems li a {
    display: block;
    height: 45px;
    padding: 0 25px;
    line-height: 45px;
    font-size: 16px;
}


/*footer 部分*/

.footer {
    height: 386px;
    background-color: #f5f5f5;
    padding-top: 30px;
}

.mod_service {
    height: 79px;
    border-bottom: 1px solid #ccc;
}

.mod_service li {
    float: left;
    width: 240px;
    height: 79px;
}

.mod-service-icon {
    /*浮动的盒子 可以直接给大小的 不需要转换*/
    float: left;
    width: 50px;
    height: 50px;
    margin-left: 35px;
    background: url(../img/icons.png) no-repeat;
}

.mod_service_zheng {
    background-position: -253px -3px;
}

.mod_service_tit {
    float: left;
    margin-left: 5px;
}

.mod_service_tit h5 {
    margin: 5px 0;
}

.mod_service_kuai {
    background-position: -255px -54px;
}

.mod_service_bao {
    background-position: -257px -105px;
}

.mod_help {
    height: 187px;
    border-bottom: 1px solid #ccc;
}

.mod_help_item {
    float: left;
    width: 150px;
    padding: 20px 0 0 50px;
}

.mod_help_item dt {
    height: 25px;
    font-size: 16px;
}

.mod_help_item dd {
    height: 22px;
}

.mod_help_app dt,
.mod_help_app p {
    padding-left: 15px;
}

.mod_help_app img {
    margin: 7px 0;
}

.mod_copyright {
    text-align: center;
}

.mod_copyright_links {
    margin: 20px 0 15px 0;
}

.mod_copyright_info {
    line-height: 18px;
}

3. jQuery code

 $(function () {
            // 全选全不选
            $(".checkall").click(function () {
                let a = $(this).prop("checked")
                $(".checkall").prop("checked", a)
                $(".j-checkbox").prop("checked", a)
                if (a == true) {
                    $(".j-checkbox").parents(".cart-item").addClass("check-cart-item")
                }
                else {
                    $(".j-checkbox").parents(".cart-item").removeClass("check-cart-item")
                }
                getSum()
            })
            $(".j-checkbox").click(function () {
                getSum()
                if ($(this).prop("checked") == true) {
                    $(this).parents(".cart-item").addClass("check-cart-item")
                }
                else {
                    $(this).parents(".cart-item").removeClass("check-cart-item")
                }
                let c = $(".j-checkbox:checked")
                if (c.length == 3) {
                    $(".checkall").prop("checked", true)
                }
                else {
                    $(".checkall").prop("checked", false)
                }
            })
            // 2.1 增商品数量
            $(".increment").click(function () {
                let a = Number($(this).prevAll(".itxt").val()) + 1
                $(this).prevAll(".itxt").val(a)
                let b = $(this).parents(".p-num").prevAll(".p-price").text().slice(1)
                let c = (a * b).toFixed(2)
                $(this).parents(".p-num").nextAll(".p-sum").text(`￥${c}`)
                getSum()
            })
            // 2.2减商品数量
            $(".decrement").click(function () {
                let a = $(this).nextAll(".itxt").val() - 1
                if (a <= 0) {
                    return
                }
                $(this).nextAll(".itxt").val(a)
                let b = $(this).parents(".p-num").prevAll(".p-price").text().slice(1)
                let c = (a * b).toFixed(2)
                $(this).parents(".p-num").nextAll(".p-sum").text(`￥${c}`)
                getSum()
            })
            // 修改表单
            $(".itxt").keyup(function () {
                $(this).val($(this).val().replace(/[^\d]/g, ''))
            })
            $(".itxt").keyup(function () {
                if ($(this).val() == "") {
                    alert("不能为空")
                    $(this).val("1")
                }
            })
            $(".itxt").blur(function () {
                let a = Number($(this).val())
                let b = parseFloat($(this).parents(".p-num").siblings(".p-price").text().slice(1))
                $(this).parents(".p-num").siblings(".p-sum").text(`￥${(a * b).toFixed(2)}`)
            })
            // 总价
            function getSum() {
                let str = 0
                let arr = 0
                $(".j-checkbox").each(function (i, el) {
                    if ($(el).prop("checked") == true) {
                        str += parseFloat($(el).parents(".cart-item").find(".p-sum").text().slice(1))
                        arr += Number($(el).parents(".cart-item").find(".itxt").val())
                    }
                })
                $(".price-sum em").text(`￥${str.toFixed(2)}`)
                $(".amount-sum em").text(arr)
            }

            // 删除
            $(".p-action").click(function () {
                $(this).parents(".cart-item").remove()
                getSum()
            })
            $(".clear-all").click(function () {
                $(this).parents(".cart-floatbar").siblings(".cart-item-list").remove()
                getSum()
            })
            $(".remove-batch").click(function () {
                $(".j-checkbox:checked").parents(".cart-item").remove()
                getSum()
            })
        })

4. Rendering

 

 

Guess you like

Origin blog.csdn.net/xiaowu1127/article/details/128066189
Recommended
Ranking
PAT Level B 1094 Google's Recruitment (20 points) Python
Old Wei wins the offer to take you to learn --- brush (integer number 31. 1 appears) title series
Bilibili: Barrage Screening: Baijiaxing: Import XML directly
개체 배열 중복 제거
matplotlib—patches.Circle
[Observation] It is also a cordless vacuum cleaner, why does Dyson V10 dare to sell 4990 yuan?
0410
Apache Kafka message delivery reliability analysis
How hotel occupancy records inquiry etj
Essential knowledge for getting started with speculating in spot silver
Daily
More
2024-04-28(12)
2024-04-27(29)
2024-04-26(22)
2024-04-25(32)
2024-04-24(30)
2024-04-23(30)
2024-04-22(5)
2024-04-21(0)
2024-04-20(6)
2024-04-19(5)

Code World

© 2018 codetd.com