仿美團詳情頁與購物車源碼-詳情頁

項目圖首先是menu.html <!DOCTYPE html> <html> <head> <title>深圳麥當勞前海二餐廳</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, ini ...

項目圖

首先是menu.html

<!DOCTYPE html>
<html>
<head>
    <title>深圳麥當勞前海二餐廳</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0,maximum-scale=1.0,user-scalable=0">
    <script type="text/javascript">
        (function () {
            var docEl = document.documentElement;
            function setRemUnit(){
                // 獲取到rem的基準值
                var rem = docEl.clientWidth / 10;
                // 動態設置html根元素的font-size
                docEl.style.fontSize = rem + 'px';
            }
            setRemUnit();
            // 視窗大小變化時 觸發
            window.addEventListener('resize', setRemUnit);
            // 視窗出現在當前屏幕時 （有瀏覽器相容性）
            window.addEventListener('pageshow', function(e){
                if (e.persisted) {
                    setRemUnit();
                }
            });
        })();
    </script>
    <link rel="stylesheet" type="text/css" href="../lib/reset.css">
    <link rel="stylesheet" type="text/css" href="../common/navheader/navheader.css">
    <link rel="stylesheet" type="text/css" href="../common/headerTab/headerTab.css">
    <link rel="stylesheet" type="text/css" href="./left/left.css">
    <link rel="stylesheet" type="text/css" href="./right/right.css">
    <link rel="stylesheet" type="text/css" href="./shopBar/shopBar.css">
</head>
<body>
    <!--頭部開始-->
    <div class="nav">
        <div class="back-icon"></div>
        <h4 class="title">深圳麥當勞前海二餐廳</h4>
    </div>
    <!--頭部結束-->
    <!--tabbar開始-->
    <div class="tab-bar">
    </div>
    <!--tabbar結束-->
    <!--點菜內容區開始-->
    <div class="menu-inner">
        <div class="left-bar">
            <div class="left-bar-inner"></div>
        </div>
        <div class="right-content">
            <p class="right-title"></p>
            <div class="right-list">
                <div class="right-list-inner"></div>
            </div>
        </div>
        <!--購物車區域開始-->
        <div class="shop-bar"></div>
        <div class="mask hide"></div>
        <!--購物車區域結束-->
    </div>
    <!--點菜內容區結束-->
    <script type="text/javascript" src="../lib/jquery.min.js"></script>
    <script rel="stylesheet" type="text/javascript" src="../common/headerTab/headerTab.js"></script>
    <script rel="stylesheet" type="text/javascript" src="./left/left.js"></script>
    <script rel="stylesheet" type="text/javascript" src="./right/right.js"></script>
    <script rel="stylesheet" type="text/javascript" src="./shopBar/shopBar.js"></script>
</body>
</html>

css部分 reset.css跟之前一樣

頂部樣式 navheader.css

.nav {
    height: 1.706667rem;
    border-bottom: 1px solid #b2b2b2;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 99;
    background-color: #fff;
}

.nav .title {
    font-size: 0.453333rem;
    color: #2f2f2f;
    text-align: center;
    line-height: 1.946667rem;
}
.nav .back-icon {
    width: 0.72rem;
    height: 0.72rem;
    position: absolute;
    top: 0.613333rem;
    left: 0.32rem;
    background-image: url('./img/back.png');
    background-size: cover;;
}

tab導航切換樣式 headerTab.css

.tab-bar {
    font-size: 0.426667rem;
    display: flex;
    border-bottom: 1px solid #f0f0f0;
    margin-top: 1.706667rem;

}
.tab-bar .tab-item {
    flex: 1;
    height: 1.2rem;
    line-height: 1.2rem;
    position: relative;
    color: #666;
    text-align: center;
    text-decoration: none;
}
.tab-bar .tab-item.active::after {
    content: ' ';
    display: block;
    height: 0.106667rem;
    width: 1.6rem;
    position: absolute;
    bottom: 0;
    background-color: #ffd161;
    left: 50%;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
}

左側導航樣式 left.css

.menu-inner {
    position: absolute;
    right: 0;
    bottom: 0;
    top: 2.933333rem;
    left: 0;
    display: flex;
    overflow: hidden;
}
.menu-inner .left-bar {
    width: 2.266667rem;
    background-color: #efefef;
    overflow: auto;
    height: 100%;
    -webkit-overflow-scrolling: touch;
}
.menu-inner .left-bar-inner {
    padding-bottom: 2.266667rem;
}
.menu-inner .left-item {
    font-size: 0.373333rem;
    color: #656565;
    text-align: center;
    border-bottom: 1px solid #bfbfbf;
    display: flex;
    height: 1.6rem;
    justify-content: center;
}
.menu-inner .left-item.active {
    background-color: #fff;
}
.menu-inner .item-text {
    text-align: center;
    align-self: center;
}
.menu-inner .item-icon {
    width: 0.533333rem;
    height: 0.533333rem;
    display: inline-block;
    margin-right: 0.16rem;
    vertical-align: -0.106667rem;
}

右側詳情區域樣式 right.css

.right-content {
    flex: 1;
    margin-left: 0.266667rem;
    height: 100%;
    overflow: hidden;
    -webkit-overflow-scrolling: touch;
}

.right-content .right-list {
    height: 100%;
    overflow: auto;
}
.right-content .right-list-inner {
    font-size: 0.426667rem;
    padding-bottom: 2.266667rem;
}
.right-content .right-title {
    font-size: 0.346667rem;
    color: #333;
    margin-top: 0.266667rem;
    padding-left: 0.106667rem;
    border-left: 0.053333rem solid #ffd161;
}

.right-content .menu-item {
    display: flex;
    padding-top: 0.666667rem;
    padding-bottom: 0.666667rem;
    border-bottom: 1px solid #f0f0f0;
    position: relative;
}
.right-content .menu-item .img {
    width: 1.653333rem;
    height: 1.653333rem;
    margin-right: 0.266667rem;
}

.right-content .menu-item-right {
    flex: 1;
}
.right-content .item-title {
    font-size: 0.426667rem;
    color: #2f2f2f;
}
.item-zan,.item-desc {
    color: #a9a9a9;
    font-size: 0.32rem;
    margin-top: 0.16rem;
    line-height: 0.373333rem;
    padding-right: 0.106667rem;

}
.right-content .menu-item-right .item-desc {
    line-height: 0.453333rem;
}

.right-content .item-price {
    margin-top: 0.266667rem;
    color: #fe4d3d;
    font-size: 0.48rem;
}

.right-content .unit {
    color: #a9a9a9;
    font-size: 0.32rem;
}

.right-content .select-content {
    position: absolute;
    right: 0.24rem;
    bottom: 0.56rem;
    display: flex;
}

.right-content .plus {
    width: 0.666667rem;
    height: 0.666667rem;
    background-image: url('./img/plus.png');
    background-size: cover;
}
.right-content .minus {
    width: 0.666667rem;
    height: 0.666667rem;
    background-image: url('./img/minus.png');
    background-size: cover;
}
.right-content .count {
    font-size: 0.4rem;
    color: #2f2f2f;
    width: 0.666667rem;
    height: 0.666667rem;
    line-height: 0.666667rem;
    margin-left: 0.053333rem;
    margin-right: 0.053333rem;
    text-align: center;
}

購物車區域樣式 shopBar.css

.shop-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 99;
}

.shop-bar .bottom-content {
    height: 1.333333rem;
    display: flex;
    background-color: rgba(51,51,51,0.9);
}
.shop-bar .shop-icon {
    width: 1.466667rem;
    height: 1.466667rem;
    background-image: url('./img/shop-icon.png');
    background-size: cover;

    margin-top: -0.4rem;
    margin-left: 0.32rem;

    position: relative;
}

.shop-bar .price-content {
    flex: 1;
    padding-top: 0.213333rem;
    padding-left: 0.186667rem;
}
.shop-bar .total-price {
    font-size: 0.533333rem;
    color: #fff;
}
.shop-bar .other-price {
    font-size: 0.32rem;
    color: #999;
    margin-top: 0.053333rem;
}
.shop-bar .dot-num {
    position: absolute;
    background-color: #fb4e44;
    width: 0.4rem;
    height: 0.4rem;
    font-size: 0.32rem;
    color: #fff;
    border: 1px solid #fff;
    border-radius: 50%;
    right: 0;
    top: 0.053333rem;
    text-align: center;
    line-height: 0.4rem;
}


.shop-bar .submit-btn {
    width: 2.933333rem;
    height: 100%;
    background-color: #ffd161;
    color: #333;
    font-size: 0.426667rem;
    line-height: 1.333333rem;
    text-align: center;
}


.choose-content {
    background-color: #fff;
}

.choose-content .content-top {
    height: 0.933333rem;
    background-color: #f4f4f4;
    font-size: 0.293333rem;

    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.choose-content .clear-car {
    margin-left: 0.266667rem;
    margin-right: 0.133333rem;
    float: left;
    position: relative;
}

.choose-content .clear-car::after {
    content: ' ';
    width: 0.346667rem;
    height: 0.346667rem;
    display: block;
    background-image: url('./img/clear.jpeg');
    background-size: cover;


    position: absolute;
    top: -0.026667rem;
    left: -0.373333rem;

}

.choose-content .choose-item {
    display: flex;
    font-size: 0.4rem;
    color: #2f2f2f;
    height: 0.933333rem;
    align-items: center;
    padding-top: 0.266667rem;
    padding-bottom: 0.266667rem;
    border-bottom: 1px solid #ddd;
}
.choose-content .choose-item .price {
    margin-left: 0.133333rem;
    margin-right: 0.666667rem;
}
.choose-content .choose-item .item-name {
    flex: 1;
    padding-left: 0.266667rem;
}
.choose-content .select-content {
    position: relative;
    margin-right: 0.213333rem;
    display: flex;
}
.choose-content .plus {
    width: 0.666667rem;
    height: 0.666667rem;
    background-image: url('./img/plus.png');
    background-size: cover;
}
.choose-content .minus {
    width: 0.666667rem;
    height: 0.666667rem;
    background-image: url('./img/minus.png');
    background-size: cover;
}
.choose-content .count {
    font-size: 0.4rem;
    color: #2f2f2f;
    width: 0.666667rem;
    height: 0.666667rem;
    line-height: 0.666667rem;
    margin-left: 0.053333rem;
    margin-right: 0.053333rem;
    text-align: center;
}

.mask {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    top: 0;

    background-color: rgba(0,0,0,0.7);
}

然後是js文件

tab導航切換 headerTab.js

(function(){
    var itemTmpl = '<a class="$key tab-item" href="../$key/$key.html">'+
                      '$text'+
                   '</a>'


    function init(){
        var items = [{
            key: 'menu',
            text: '點菜'
        },{
            key: 'comment',
            text: '評價'
        },{
            key: 'restanurant',
            text: '商家'
        }];


        var str = '';

        items.forEach(function(item){
            str += itemTmpl.replace(/\$key/g,item.key)
                            .replace('$text',item.text)
        });


        $('.tab-bar').append($(str));


        // 找到當前頁面的url來確定key值
        var arr = window.location.pathname.split('/');
        var page = arr[arr.length-1].replace('.html','');


        // 將當前的頁面對應的key值的a元素設置active的class
        $('a.'+page).addClass('active');
    }

    init();
    

})();

左側導航 left.js

(function(){

    // 左側類目item模版字元串
    var itemTmpl = '<div class="left-item">'+
                       '<div class="item-text">$getItemContent'+
                    '</div>';




    /**
     * 請求數據
     * param 
     */
    function getList(){
        $.get('../json/food.json', function(data){
            console.log(data);
            window.food_spu_tags = data.data.food_spu_tags || [];
            initContentList(window.food_spu_tags);


            window.ShopBar.changeShippingPrice(data.data.poi_info.shipping_fee || 0);
        })
    }

    /**
     * 渲染item內容
     * param obj
     */
    function getItemContent(data){
        if (data.icon) {
            return '<img class="item-icon" src='+data.icon+' />'+data.name;
        } else {
            return data.name;
        }
    }


    /**
     * 渲染列表
     * param array
     */
    function initContentList(list){
        list.forEach(function(item, index){
            var str = itemTmpl.
                      replace('$getItemContent', getItemContent(item));

            // 將item數據掛載到left-item上面
            var $target = $(str);
            $target.data('itemData',item);

            $('.left-bar-inner').append($target);
        })

        $('.left-item').first().click();
    }


    function addClick(){
        $('.menu-inner').on('click', '.left-item', function(e){
            var $target = $(e.currentTarget);

            $target.addClass('active');
            $target.siblings().removeClass('active');

            // 將數據傳給右側詳情列表進行渲染
            window.Right.refresh($target.data('itemData'));
            
        });
    }


    function init(){
        getList();
        addClick();
    }


    init();


})();

右側詳情 right.js

(function(){

    // 右側類目item模版字元串
    var itemTmpl = '<div class="menu-item">'+
                        '<img class="img" src=$picture />'+
                        '<div class="menu-item-right">'+
                           '<p class="item-title">$name</p>'+
                           '<p class="item-desc">$description</p>'+
                           '<p class="item-zan">$praise_content</p>'+
                           '<p class="item-price">¥$min_price<span class="unit">/$unit</span></p>'+
                        '</div>'+
                        '<div class="select-content">'+
                            '<div class="minus"></div>'+
                            '<div class="count">$chooseCount</div>'+
                            '<div class="plus"></div>'+
                        '</div>'+
                    '</div>';




    /**
     * 渲染列表
     * param array
     */
    function initRightList(list){

        $('.right-list-inner').html('');
        list.forEach(function(item, index){

            if (!item.chooseCount) {
                item.chooseCount = 0;
            }
            var str = itemTmpl.
                      replace('$picture', item.picture).
                      replace('$name', item.name).
                      replace('$description', item.description).
                      replace('$praise_content', item.praise_content).
                      replace('$min_price', item.min_price).
                      replace('$unit', item.unit).
                      replace('$chooseCount', item.chooseCount);

            var $target = $(str);

            $target.data('itemData',item);

            $('.right-list-inner').append($target);



        })
    }


    /**
     * 渲染右側title
     * param string
     */
    function initRightTitle(str){
        $('.right-title').text(str);
    }


    function addClick(){
        $('.menu-item').on('click', '.plus', function(e){
            var $count = $(e.currentTarget).parent().find('.count');

            $count.text(parseInt($count.text()||'0')+1);

            var $item = $(e.currentTarget).parents('.menu-item').first();

            var itemData = $item.data('itemData');

            itemData.chooseCount = itemData.chooseCount + 1;


            window.ShopBar.renderItems();

        });
        $('.menu-item').on('click', '.minus', function(e){
            var $count = $(e.currentTarget).parent().find('.count');

            if ($count.text() == 0) return;

            $count.text(parseInt($count.text()||'0')-1);


            var $item = $(e.currentTarget).parents('.menu-item').first();

            var itemData = $item.data('itemData');

            itemData.chooseCount = itemData.chooseCount - 1;


            window.ShopBar.renderItems();

        });
    }


    function init(data){
        initRightList(data.spus || []);
        initRightTitle(data.name);
        addClick();
    }


    window.Right = {
        refresh: init
    }


})();

購物車區域 shopBar.js

(function(){

    // 頂部模版字元串
    var itemTopTmpl = '<div class="choose-content hide">'+
                          '<div class="content-top">'+
                            '<div class="clear-car">清空購物車</div>'+
                          '</div>'+
                      '</div>';

    // 底部模版字元串
    var itemBottomTmpl = '<div class="bottom-content">'+
                            '<div class="shop-icon">'+
                              '<div class="dot-num hide"></div>'+
                            '</div>'+
                            '<div class="price-content">'+
                                '<p class="total-price">¥<span class="total-price-span">0</span></p>'+
                                '<p class="other-price">另需配送&nbsp;¥<span class="shipping-fee">0</span></p>'+
                            '</div>'+
                            '<div class="submit-btn">去結算</div>'+
                        '</div>';


    var $strBottom = $(itemBottomTmpl);
    var $strTop = $(itemTopTmpl);


    function changeShippingPrice(str){
        $strBottom.find('.shipping-fee').text(str);
    }
      function changeTotalPrice(str){
        $strBottom.find('.total-price-span').text(str);
    }


    /**
     * 渲染購物車頂部
     * param 
     */
    function renderItems(){
      $strTop.find('.choose-item').remove();
      var list = window.food_spu_tags || [];
      var tmpl = '<div class="choose-item">'+
                     '<div class="item-name">$name</div>'+
                     '<div class="price">¥<span class="total">$price</span></div>'+
                    '<div class="select-content">'+
                          '<div class="minus"></div>'+
                          '<div class="count">$chooseCount</div>'+
                          '<div class="plus"></div>'+
                      '</div>';
      var totalPrice = 0;

      list.forEach(function(item){
          item.spus.forEach(function(_item){

              // 如果有菜品數量大於0就開始渲染這條數據
              if (_item.chooseCount > 0) {

                  // 計算每個菜品的總價 就是 單價*數量
                  var price = _item.min_price*_item.chooseCount;
                  var row = tmpl.replace('$name',_item.name)
                            .replace('$price',price)
                            .replace('$chooseCount',_item.chooseCount)
                  
                  // 計算整個總價
                  totalPrice += price;

                  var $row = $(row);

                  $row.data('itemData',_item);



                  $strTop.append($row);
              }
          })

          // 改變總價
          changeTotalPrice(totalPrice);

          // 改變紅點個數
          changeDot();

      });



    }

    /**
     * 渲染數量紅點
     * param 
     */
    function changeDot(){

       // 先拿到所有的counts
       var $counts = $strTop.find('.count');

       var total = 0;


       // 遍歷每個count 相加
       for (var i = 0 ; i < $counts.length ; i++) {
          total += parseInt($($counts[i]).text());
       }

       if (total > 0) {
        $('.dot-num').show().text(total)
       } else {
        $('.dot-num').hide();
       }
    }


    function addClick(){

        $('.shop-bar').on('click', '.shop-icon', function(){
            $('.mask').toggle();
            $strTop.toggle();
        });
        $strTop.on('click','.plus', function(e){
            var $count = $(e.currentTarget).parent().find('.count');

            $count.text(parseInt($count.text()||'0')+1);

            var $item = $(e.currentTarget).parents('.choose-item').first();

            var itemData = $item.data('itemData');

            itemData.chooseCount = itemData.chooseCount + 1;


            renderItems();


            // 找到當前的右側詳情的數據，進行聯動
            $('.left-item.active').click();

        });

        $strTop.on('click','.minus', function(e){
            var $count = $(e.currentTarget).parent().find('.count');


            if ($count.text() == 0) return;
            $count.text(parseInt($count.text()||'0')-1);

            var $item = $(e.currentTarget).parents('.choose-item').first();

            var itemData = $item.data('itemData');

            itemData.chooseCount = itemData.chooseCount - 1;


            renderItems();


            // 找到當前的右側詳情的數據，進行聯動
            $('.left-item.active').click();

        });
    }


    function init(data){
      $('.shop-bar').append($strTop);
      $('.shop-bar').append($strBottom);
      addClick();
    }

    init();

    window.ShopBar = {
        renderItems: renderItems,
        changeShippingPrice:changeShippingPrice
    }


})();

這部分好了，放下效果圖

最後把個人頁面也補上(這個項目里最簡單的頁面）

my.html

<!DOCTYPE html>
<html>
<head>
    <title>我的</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0,maximum-scale=1.0,user-scalable=0">
    <script type="text/javascript">