284 lines
11 KiB
HTML
284 lines
11 KiB
HTML
<!DOCTYPE html>
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<html lang="cn">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>B站热搜</title>
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<link rel="stylesheet" href="./assets/css/main.css">
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<style>
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#list td {
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font-size: 14px;
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}
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</style>
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</head>
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<body>
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<div style="text-align: center;">
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<h1>B站热搜榜</h1>
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<hr>
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<div>
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显示字段：
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<label for="show_keyword">
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<input type="checkbox" class="filter_checkbox" name="show_keyword" id="show_keyword" checked="true"
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detailed-checked="true">关键词
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</label>
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<label for="show_word_type">
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<input type="checkbox" class="filter_checkbox" name="show_word_type" id="show_word_type"
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detailed-checked="true">word_type
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</label>
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<label for="show_hot_id">
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<input type="checkbox" class="filter_checkbox" name="show_hot_id" id="show_hot_id"
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detailed-checked="true">hot_id
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</label>
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<br>
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<button id="btn_show_all">全选</button>
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<button id="btn_show_none">全不选</button>
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<button id="btn_show_default">普通</button>
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<button id="btn_show_detailed">详细</button>
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</div>
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</div>
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<p id="latestUpdateTime" style="font-size: 12px; display: inline-block; vertical-align: middle;"></p>
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<nobr>
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<button id="btn_refresh">重新拉取</button>
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</nobr>
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<nobr>
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<label for="auto_refresh">
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<input type="checkbox" name="auto_refresh" id="auto_refresh">自动拉取<span id="auto_refresh_countdown"></span>
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</label>
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</nobr>
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<nobr>
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<span id="update-finish-info" style="color: green; font-weight: bold; display: none;">拉取成功，数据已更新</span>
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</nobr>
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<table id="list"></table>
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<script>
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let iconMapper = {
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"http://i0.hdslb.com/bfs/feed-admin/e9e7a2d8497d4063421b685e72680bf1cfb99a0d.png": ["热", "#FF895C"],
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"http://i0.hdslb.com/bfs/feed-admin/4d579fb61f9655316582db193118bba3a721eec0.png": ["新", "#F87399"],
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}
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function getIconText(iconUrl) {
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if (!iconUrl) {
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return '';
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}
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else if (Object.keys(iconMapper).indexOf(iconUrl) != -1) {
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return iconMapper[iconUrl];
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} else {
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console.log("未知 iconUrl:", iconUrl);
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return [" ? ", 'grey'];
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}
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}
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</script>
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<script>
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/**
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* 全局变量
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*/
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// 拉取下来的数据
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let hotBandData;
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// 按钮
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const btnShowAll = document.getElementById('btn_show_all');
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const btnShowNone = document.getElementById('btn_show_none');
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const btnShowDefault = document.getElementById('btn_show_default');
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const btnShowDetailed = document.getElementById('btn_show_detailed');
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const btnRefresh = document.getElementById('btn_refresh');
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// 复选框
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const filterCheckbox = document.getElementsByClassName("filter_checkbox");
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const showKeyword = document.getElementById("show_keyword");
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const showWordType = document.getElementById("show_word_type");
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const showHotId = document.getElementById("show_hot_id");
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const autoRefresh = document.getElementById("auto_refresh");
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// 绑定按钮点击事件
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btnShowAll.addEventListener('click', function () {
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for (let i = 0; i < filterCheckbox.length; i++) {
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const element = filterCheckbox[i];
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element.checked = true;
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}
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render();
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});
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btnShowNone.addEventListener('click', function () {
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for (let i = 0; i < filterCheckbox.length; i++) {
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const element = filterCheckbox[i];
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element.checked = false;
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}
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render();
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});
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btnShowDefault.addEventListener('click', function () {
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for (let i = 0; i < filterCheckbox.length; i++) {
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const element = filterCheckbox[i];
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element.checked = element.getAttribute('checked') === 'true';
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}
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render();
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});
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btnShowDetailed.addEventListener('click', function () {
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for (let i = 0; i < filterCheckbox.length; i++) {
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const element = filterCheckbox[i];
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element.checked = element.getAttribute('detailed-checked') === 'true';
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}
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render();
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});
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btnRefresh.onclick = function () {
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getData();
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document.getElementById("update-finish-info").style.display = "";
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// btnRefresh.style.display = "none";
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btnRefresh.style.visibility = "hidden";
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setTimeout(function () {
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document.getElementById("update-finish-info").style.display = "none";
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// btnRefresh.style.display = "";
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btnRefresh.style.visibility = "";
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}, 1000);
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};
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// 绑定复选框改变事件
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for (let i = 0; i < filterCheckbox.length; i++) {
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// console.log(filterCheckbox[i]);
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filterCheckbox[i].onchange = function () {
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render();
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};
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}
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let autoRefreshIntreval = null;
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const autoRefreshCountDownElement = document.getElementById('auto_refresh_countdown');
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const countDown = 20; // 自动拉取间隔时间，单位：秒
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let autoRefreshCountDown = countDown;
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autoRefresh.onchange = function () {
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if (autoRefresh.checked) {
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btnRefresh.style.display = "none";
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btnRefresh.click();
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autoRefreshIntreval = setInterval(function () {
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if ((--autoRefreshCountDown) > 0) {
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autoRefreshCountDownElement.innerHTML = `(${autoRefreshCountDown}s)`;
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} else {
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autoRefreshCountDown = countDown;
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btnRefresh.click();
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autoRefreshCountDownElement.innerHTML = ``;
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}
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}, 1000);
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} else {
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clearInterval(autoRefreshIntreval);
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btnRefresh.style.display = "";
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autoRefreshCountDownElement.innerHTML = ``;
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}
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};
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// 根据屏幕判断要显示哪些字段
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// 此时还未拉取数据，所以进入 render 函数会直接返回，不会多次渲染
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let initWidth = document.body.offsetWidth;
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// console.log(initWidth);
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if (initWidth < 400) {
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btnShowNone.click();
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btnShowNone.innerHTML += "(默认)";
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} else if (initWidth < 780) {
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btnShowDefault.click();
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btnShowDefault.innerHTML += "(默认)";
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} else {
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btnShowDetailed.click();
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btnShowDetailed.innerHTML += "(默认)";
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}
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// 网页加载后加载榜单
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getData();
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// 定时刷新
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// setInterval(getData, 10 * 1000);
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function getData() {
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var xhr = new XMLHttpRequest();
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xhr.open("GET", "../data/bilibili-hotband/latest.json?t=" + Date.now(), true);
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xhr.send();
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xhr.onreadystatechange = function () {
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if (xhr.readyState !== 4) return;
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if (xhr.status == 200) {
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try {
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hotBandData = JSON.parse(xhr.responseText);
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if (!hotBandData.data || typeof hotBandData.data !== 'object')
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throw new Error("data is undefined or not an object");
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} catch (e) {
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console.error("[error]", "\n", e, "\n", "\n", "[xhr.responseText]", "\n", xhr.responseText);
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alert("latest.json 文件解析失败，请检查文件");
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return;
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}
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console.log(hotBandData);
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// 更新时间
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document.getElementById("latestUpdateTime").innerHTML =
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"数据拉取时间：" + new Date().toLocaleString() + "<br/>" +
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"热榜更新时间：" + new Date(hotBandData.update_time).toLocaleString();
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// 渲染榜单
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render();
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} else if (xhr.status == 404) {
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alert("data 目录下未找到 latest.json 文件，可能的原因：\n您还没有运行脚本拉取数据，请先运行脚本，然后刷新页面");
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}
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}
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}
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function render() {
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if (!hotBandData) return;
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/**
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* 渲染热搜列表
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*/
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let hotBandList = hotBandData.data;
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var str = [];
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// 渲染表格
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str.push(`<thead>
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<tr class="thead" style="top: 0; background-color: white; position: sticky;">
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<td>编号</td>
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<td>热搜</td>
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${showKeyword.checked ? "<td>关键词</td>" : ""}
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${showWordType.checked ? "<td>word_type</td>" : ""}
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${showHotId.checked ? "<td>hot_id</td>" : ""}
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</tr>
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</thead>`);
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str.push(`<tbody>`);
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for (var i = 0; i < hotBandList.length; i++) {
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const hotBand = hotBandList[i];
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str.push(`<tr>
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<!-- 编号 -->
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<td>${hotBand.position}</td>
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<!-- 热搜 -->
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<td style="text-align: left;">
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<nobr>
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<div style="min-width: 20px; display: inline-block;">
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<span class="hotband-label" style="background-color: ${getIconText(hotBand.icon)[1]}; ${hotBand.icon ? "" : "display: none;"}">${getIconText(hotBand.icon)[0]}</span>
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</div>
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<span>${hotBand.show_name}</span>
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${hotBand.show_live_icon ? `<span class="hotband-label" style="background-color: #f69; padding: 1px 5px;">直播中</span>` : ""}
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</nobr>
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</td>
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${showKeyword.checked ? `
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<!-- 关键词 -->
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<td>${hotBand.keyword}</td>
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` : ""}
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${showWordType.checked ? `
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<!-- word_type -->
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<td>${hotBand.word_type}</td>
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` : ""}
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${showHotId.checked ? `
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<!-- hot_id -->
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<td>${hotBand.hot_id}</td>
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` : ""}
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</tr >`);
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}
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str.push(`</tbody>`);
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document.getElementById('list').innerHTML = str.join('');
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}
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</script>
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</body>
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</html> |