【前端】使用 HTML、CSS 和 JavaScript 创建一个数字时钟和搜索功能的网页

文章目录

⭐前言
⭐一、项目结构
⭐二、HTML 结构
⭐三、CSS 样式
⭐四、JavaScript 功能
⭐五、运行效果
⭐总结

标题	详情
作者	JosieBook
头衔	CSDN博客专家资格、阿里云社区专家博主、软件设计工程师
博客内容	开源、框架、软件工程、全栈（,NET/Java/Python/C++）、数据库、操作系统、大数据、人工智能、工控、网络、程序人生
口号	成为你自己，做你想做的
欢迎三连	👍点赞、✍评论、⭐收藏

⭐前言

在本篇博客中，我们将介绍如何使用 HTML、CSS 和 JavaScript 创建一个包含数字时钟和搜索功能的简单网页。这个网页不仅具有现代的外观，还能实时显示当前时间，并允许用户输入搜索内容。

⭐一、项目结构

我们的项目结构如下所示：

test├── index.html├── myCss.css└── myJsp.js

index.html：主页面文件，包含 HTML 结构和基本样式。
myCss.css：自定义样式文件，用于美化页面。
myJsp.js：JavaScript 文件，负责实现时钟和搜索功能的逻辑。

⭐二、HTML 结构

在 index.html 文件中，我们首先定义了基本的 HTML 结构。我们使用了 Bootstrap 框架来快速构建响应式布局。以下是主要的 HTML 代码片段：

<!DOCTYPE html>
<html lang="zh-CN">
<head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="description" content="XX科技公司 - 领先的软件开发解决方案提供商"><title>XX科技公司 | 创新驱动未来</title><script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script><script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js"></script><script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script><link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css"><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css"><link href="https://lf3-cdn-tos.bytecdntp.com/cdn/expire-1-M/font-awesome/5.15.4/css/all.min.css" rel="stylesheet" type="text/css"><link rel="stylesheet" href="myCss.css">
</head>
<body>
<i class="fas fa-ellipsis-v uil uil-ellipsis-v dot-menu-btn" style="color:#fff" id="active-menu"></i>
<ul class="dot-menu" id="active-menu"><li class="menu-item" id="active-menu"><span class="clock-format-text" id="active-menu">24-Hour Format</span><div class="format-switch-btn" id="active-menu" date-format="12"></div></li>
</ul><div class="container"><div class="row height d-flex justify-content-center align-items-center"><div class="col-md-8"><div class="search"><i class="fa fa-search"></i><input type="text" class="form-control" id="search-input" placeholder="Have a question? Ask Now"><button class="btn btn-primary" id="search-button">Search</button></div></div></div>
</div><div class="time"><span class="hours">00</span><span class="dots">:</span><span class="minutes">00</span><div class="right-side"><span class="period">AM/PM</span><span class="seconds">00</span></div>
</div><div class="calender"><span class="month-name">Month</span>,<span class="day-name">Day</span><span class="day-num">00</span>
</div><script src="myJsp.js"></script>
</body>
</html>

⭐三、CSS 样式

在 myCss.css 文件中，我们使用了一些 CSS 来美化页面的外观。以下是一些关键的样式：

@import url("https://fonts.googleapis.com/css2?family=Poppins:weight@100;200;300;400;500;600;700;800&display=swap");* {font-family: 'Poppins', sans-serif;margin: 0;padding: 0;box-sizing: border-box;
}body {min-height: 100vh;display: flex;justify-content: center;align-items: center;background: #2e2e44;
}.height {height: 100vh
}.search {position: relative;box-shadow: 0 0 40px rgba(51, 51, 51, .1)
}.search input {height: 60px;text-indent: 25px;border: 2px solid #d6d4d4
}.search input:focus {box-shadow: none;border: 2px solid blue
}.search .fa-search {position: absolute;top: 20px;left: 16px
}.search button {position: absolute;top: 5px;right: 5px;height: 50px;width: 110px;background: blue
}.digital-clock {position: relative;color: #fff;background: #2e2e44;width: 425px;padding: 20px 45px;box-shadow: 0 5px 25px rgba(14, 21, 37, 0.8);border-radius: 10px;display: flex;justify-content: center;align-items: center;flex-direction: column;
}.digital-clock:before {content: '';position: absolute;background: linear-gradient(45deg, #24ff6d, #2f93f1, #ff5e9a);background-size: 200% 200%;top: -5px;left: -5px;bottom: -5px;right: -5px;z-index: -1;filter: blur(40px);animation: glowing 10s ease infinite;
}@keyframes glowing {0% {background-position: 0 50%;}50% {background-position: 100% 50%;}100% {background-position: 0 50%;}
}.time {position: relative;display: flex;justify-content: center;align-items: center;}.hours,
.dots,
.minutes {display: flex;justify-content: center;align-items: center;font-weight: 600;padding: 0 10px;line-height: 125px;
}.hours,
.minutes {font-size: 6.5em;width: 125px;
}.dots {font-size: 5em;color: #929292;
}.hours {background: -webkit-linear-gradient(90deg, #634dff, #5fd4ff);-webkit-text-fill-color: transparent;-webkit-background-clip: text;
}.minutes {background: -webkit-linear-gradient(90deg, #ff5e9e, #ffb960);-webkit-text-fill-color: transparent;-webkit-background-clip: text;
}.right-side {position: relative;display: flex;justify-content: center;align-items: center;flex-direction: column;margin-left: 10px;
}.period,
.seconds {font-size: 1.2em;font-weight: 500;
}.period {transform: translateY(-20px);background: -webkit-linear-gradient(90deg, #f7b63f, #faf879);-webkit-text-fill-color: transparent;-webkit-background-clip: text;
}.seconds {transform: translateY(16px);background: -webkit-linear-gradient(90deg, #24ff6d, #2f93f1);-webkit-text-fill-color: transparent;-webkit-background-clip: text;
}.calender {display: flex;justify-content: center;align-items: center;font-size: 1.3em;font-weight: 500;margin-bottom: 5px;background: -webkit-linear-gradient(90deg, #ae4af6, #ff98d1);-webkit-text-fill-color: transparent;-webkit-background-clip: text;
}.day-name,
.day-num,
.year {margin-left: 8px;
}.dot-menu-btn {position: absolute;top: 0;right: 0;margin: 10px;color: #efefef;font-size: 1.5em;cursor: pointer;
}.dot-menu {z-index: 999;position: absolute;top: 7px;right: 5px;list-style: none;background: #353e54;padding: 10px 20px;border-radius: 5px;box-shadow: 0 5px 25px rgba(0, 0, 0, 0.5);visibility: hidden;opacity: 0;transition: 0.4s ease;
}.dot-menu.active {visibility: visible;opacity: 1;
}.menu-item {display: flex;justify-content: center;align-items: center;
}.clock-format-text {color: #efefef;font-size: 0.9em;margin-right: 20px;
}.format-switch-btn {width: 35px;height: 15px;background: #485470;border-radius: 75px;box-shadow: inset 2px 2px 4px rgba(255, 255, 255, 0.1),inset -2px -2px 4px rgba(0, 0, 0, 0.2);cursor: pointer;display: flex;justify-content: center;align-items: center;
}.format-switch-btn:before {content: '';position: absolute;width: 14px;height: 14px;background: #ff5e9a;border-radius: 50%;box-shadow: 0 5px 25px #ff5e9a;transform: translateX(-10px);transition: 0.4s ease;transition-property: background, transform;
}.format-switch-btn.active:before {background: #0bff8d;box-shadow: 0 5px 25px #0bff8d;transform: translateX(10px);
}

⭐四、JavaScript 功能

在 myJsp.js 文件中，我们实现了数字时钟和搜索功能。以下是相关的 JavaScript 代码：

//js for switch clock formatconst formatSwitchBtn = document.querySelector(".format-switch-btn");formatSwitchBtn.addEventListener("click", () => {formatSwitchBtn.classList.toggle("active");var formatValue = formatSwitchBtn.getAttribute("date-format");if (formatValue === "12") {formatSwitchBtn.setAttribute("date-format", "24");}else {formatSwitchBtn.setAttribute("date-format", "12");}
});//Get Current Time In Javascript
function clock() {var today = new Date();var hours = today.getHours();var minutes = today.getMinutes();var seconds = today.getSeconds();let period = "AM";//set the time periodif (hours >= 12) {period = "PM";}//set 12 hour clock formatvar formatValue = formatSwitchBtn.getAttribute("date-format");if (formatValue === "12") {hours = hours > 12 ? hours % 12 : hours;}//add 0 for the value lower than 10if (hours < 10) {hours = "0" + hours;}if (minutes < 10) {minutes = "0" + minutes;}if (seconds < 10) {seconds = "0" + seconds;}document.querySelector(".hours").innerHTML = hours;document.querySelector(".minutes").innerHTML = minutes;document.querySelector(".period").innerHTML = period;document.querySelector(".seconds").innerHTML = seconds;
}
var updateClock = setInterval(clock, 1000);// get the date in jsvar today = new Date();
const dayNum = today.getDate();
const year = today.getFullYear();
const dayName = today.toLocaleString("default", { weekday: "long" });
const monthName = today.toLocaleString("default", { month: "short" });document.querySelector(".month-name").innerHTML = monthName;
document.querySelector(".day-name").innerHTML = dayName;
document.querySelector(".day-num").innerHTML = dayNum;
// document.querySelector(".year").innerHTML = year;//js for dot menu toglleconst dotmenuBtn = document.querySelector(".dot-menu-btn");
const dotMenu = document.querySelector(".dot-menu");
dotmenuBtn.addEventListener("click", () => {dotMenu.classList.toggle("active");
});document.addEventListener("click", (e) => {if (e.target.id !== "active-menu") {dotMenu.classList.remove("active");}
});// 添加搜索按钮的点击事件
document.getElementById("search-button").addEventListener("click", function() {var searchInput = document.getElementById("search-input").value;if (searchInput.trim() === "") {alert("请输入搜索内容！");} else {alert("您搜索的内容是: " + searchInput);}
});