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案例:蘑菇街跨域请求、下拉加载数据

案例:蘑菇街跨域请求、下拉加载数据

作者: kino2046 | 来源:发表于2020-02-16 20:37 被阅读0次

    <!DOCTYPE html>

    <html lang="en">

    <head>

        <meta charset="UTF-8">

        <meta name="viewport" content="width=device-width, initial-scale=1.0">

        <meta http-equiv="X-UA-Compatible" content="ie=edge">

        <title>Document</title>

        <script src="jsonp.js"></script>

        <link rel="stylesheet" href="css/index.css" />

    </head>

    <body>

        <div class="wrap">

            <div class="headerContainer">

                <img src="https://s10.mogucdn.com/mlcdn/c45406/190102_088f4i166l4gkl08k297h5kk8690i_260x200.png">

                <div class="catalog">

                    目录

                </div>

                <div class="searchContainer">

                    <input type="text" class="searchInput" />

                    <button class="btn"></button>

                </div>

                <div class="iconShow">

                    <span class="iconMessage"></span>

                    消息

                </div>

                <div class="iconShow">

                    <span class="iconCollect"></span>

                    收藏

                </div>

            </div>

            <h3 class="sub_title">

                全部食品

            </h3>

            <div class="nav_box">

                <div class="txt">

                    <span>¥</span>

                </div>

                <span class="divid">-</span>

                <div class="txt">

                    <span>¥</span>

                </div>

                <a class="confirm_btn" href="javascript:;">确定</a>

            </div>

            <div class="itemContainer">

                <!-- 商品呈现 -->

                <!-- <div class="item">

                    <img

                        src="https://s11.mogucdn.com/mlcdn/c45406/180830_0ggfhcfd757g3jg8k8fjaclc3h123_640x960.jpg_440x587.v1cAC.40.webp" />

                    <div class="bottom-describe">

                        <p class="describe">

                            海底捞火锅1盒懒人自煮自热方便速食牛油麻辣即食小火锅麻辣火锅

                        </p>

                        <div class="priceContainer">

                            <b>¥26.8</b>

                            <span class="oldPrice">¥53.6</span>

                            <span class="mystar">

                                <img src="https://s18.mogucdn.com/p2/160908/upload_27g4f1ch6akie83hacb676j622b9l_32x30.png"

                                    alt="" />

                                2585

                            </span>

                        </div>

                    </div>

                </div> -->

            </div>

        </div>

    </body>

    <script>

        let page = 1;

        getData();

        function getData() {

            ajax({

                url: "https://list.mogu.com/search",

                data: {

                    _version: 8193,

                    ratio: "3%3A4",

                    cKey: 15,

                    page: page,

                    sort: "pop",

                    ad: 0,

                    fcid: 52014,

                    action: "food"

                },

                dataType: "jsonp",

                jsonp: "callback",

                success: function (res) {

                    if (res.status.code == 1001) {

                        page++;

                        let data = res.result.wall.docs;

                        // console.log(data);

                        data.forEach(item => {

                            createEelement(item);

                        })

                    }

                }

            })

        }

        function createEelement(item) {

            console.log(item);

            let mydiv = document.createElement("div");

            mydiv.classList = "item";

            mydiv.innerHTML = `<img

                        src="${item.img}" />

                        <div class="bottom-describe">

                            <p class="describe">

                                ${item.title}

                            </p>

                            <div class="priceContainer">

                                <b>¥${item.price}</b>

                                <span class="oldPrice">¥${item.orgPrice}</span>

                                <span class="mystar">

                                    <img src="https://s18.mogucdn.com/p2/160908/upload_27g4f1ch6akie83hacb676j622b9l_32x30.png"

                                        alt="" />

                                    ${item.cfav}

                                </span>

                            </div>

                        </div>`;

                    document.querySelector(".itemContainer").appendChild(mydiv);

        }

        //下拉加载数据;

        document.onscroll = function(){

            let windowHeight = document.documentElement.clientHeight;

            let contentHeight = document.documentElement.offsetHeight;

            let scrollHeight = contentHeight - windowHeight;

            let scrollTop = document.documentElement.scrollTop;

            if(scrollTop>=(scrollHeight-10)){

                getData();

            }

        }

    </script>

    </html>


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        本文标题:案例:蘑菇街跨域请求、下拉加载数据

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