1、 准备工作
1.1 项目目录
网站根目录是指存放网站的第一层文件夹,内部包含当前网站的所有素材,包含HTML、CSS、图片、JavaScript等等。
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1.2 版心效果
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可以发现都是呈现版心居中的效果,但是每次都写一次太麻烦了,可以把版心居中的代码放到一个类选择器里面,之后要使用版心居中效果的时候就使用这个类选择器就好了。
2、网页制作思路
1.布局思路:先整体在局部,从外到内,从上到下,从左到右
2.CSS实现思路
(1)画盒子,调整盒子范围 --->宽高背景色
(2)调整盒子位置 ---> flex布局、内外边距
(3)控制图片、文字内容样式
3、header 区域-布局
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通栏:宽度与浏览器窗口相同的盒子
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3.1 logo制作技巧
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logo功能:
- 单击跳转到首页
- 搜索引擎优化:提升网站百度搜索排名
实现方法:
- 标签结构:h1 > a > 网站名称(搜索关键字)
- CSS样式
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3.2 导航制作技巧(nav)
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导航功能
- 单击跳转页面
实现方法:
- 标签结构:ul > li*3 > a
- 优势:避免堆砌 a 标签,网站搜索排名降级
- 布局思路
- li 设置 右侧 margin
- a 设置 左右 padding
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3.3 搜索区域(search)
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实现方法:
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3.4 用户区域(user)
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实现方法:
- 标签结构: .user > a > img + span
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4、 banner区域-布局
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4.1 左侧侧导航(left)
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实现方法:
- 标签结构:.left > ul > li * 9 > a
- 布局思路
- a 默认状态:背景图为白色右箭头
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4.2 右侧课程表(right)
实现方法:
标签结构: .right > h3 + .content
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5、精品推荐(recommend)
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实现方法:
标签结构:.recommend > h3 + ul + a.modify
布局思路:flex布局
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5.1 精品课程(course)
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实现方法:
标签结构: .hd + .bd
布局思路: 盒子模型
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5.2 前端区域
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6、版权区域
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base.css
css
/* 基础公共样式:清除默认样式 + 设置通用样式 */
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
li {
list-style: none;
}
body {
font: 14px/1.5 "Microsoft Yahei", "Hiragino Sans GB", "Heiti SC", "WenQuanYi Micro Hei", sans-serif;
color: #333;
}
a {
color: #333;
text-decoration: none;
}
index.css
css
/* 首页样式 */
/* 版心 */
.wrapper {
margin: 0 auto;
width: 1200px;
}
body {
background-color: #f3f5f7;
}
/* 头部区域 */
.header {
height: 100px;
background-color: #fff;
}
.header .wrapper {
padding-top: 29px;
display: flex;
}
/* logo */
.logo a {
display: block;
width: 195px;
height: 41px;
background-image: url(../images/logo.png);
font-size: 0;
}
/* 导航 */
.nav {
margin-left: 102px;
}
.nav ul {
display: flex;
}
.nav li {
margin-right: 24px;
}
.nav li a {
display: block;
padding: 6px 8px;
line-height: 27px;
font-size: 19px;
}
/* actvie 类选择器,表示默认选中的a */
.nav li .active,
.nav li a:hover {
border-bottom: 2px solid #00a4ff;
}
/* 搜索 */
.search {
display: flex;
margin-left: 64px;
padding-left: 19px;
padding-right: 12px;
width: 412px;
height: 40px;
background-color: #f3f5f7;
border-radius: 20px;
}
.search input {
flex: 1;
border: 0;
background-color: transparent;
/* 去掉表单控件的焦点框 */
outline: none;
}
/* ::placeholder 选中就是 placeholder 属性文字样式*/
.search input::placeholder {
font-size: 14px;
color: #999;
}
/* 父级是flex布局,子级变弹性盒子:加宽高生效 */
.search a {
align-self: center;
width: 16px;
height: 16px;
background-image: url(../images/search.png);
}
/* 用户 */
.user {
margin-left: 32px;
margin-top: 4px;
}
.user img {
margin-right: 7px;
/* vertical-align 行内块和行内垂直方向对齐方式 */
vertical-align: middle;
}
.user span {
font-size: 16px;
color: #666;
}
/* banner 区域 */
.banner {
height: 420px;
background-color: #0092cb;
}
.banner .wrapper {
display: flex;
justify-content: space-between;
height: 420px;
background-image: url(../uploads/banner.png);
}
/* 侧导航 */
.banner .left {
padding: 3px 20px;
width: 191px;
height: 420px;
background-color: rgba(0,0,0,0.42);
}
.banner .left a {
/* 块级:宽度是父级的100% */
display: block;
height: 46px;
background: url(../images/right.png) no-repeat right center;
line-height: 46px;
font-size: 16px;
color: #fff;
}
.banner .left a:hover {
background-image: url(../images/right-hover.png);
color: #00a4ff;
}
/* 课程表 */
.banner .right {
margin-top: 60px;
width: 218px;
height: 305px;
background-color: #209dd5;
border-radius: 10px;
}
.banner .right h3 {
margin-left: 14px;
height: 48px;
line-height: 48px;
font-size: 15px;
color: #fff;
font-weight: 400;
}
.banner .right .content {
padding: 14px;
height: 257px;
background-color: #fff;
border-radius: 10px;
}
.banner .right dl {
margin-bottom: 12px;
border-bottom: 1px solid #e0e0e0;
}
.banner .right dt {
margin-bottom: 8px;
font-size: 14px;
line-height: 20px;
font-weight: 700;
}
.banner .right dd {
margin-bottom: 8px;
font-size: 12px;
line-height: 16px;
}
.banner .right dd span {
color: #00a4ff;
}
.banner .right dd strong {
color: #7d7d7d;
font-weight: 400;
}
.banner .right a {
display: block;
height: 32px;
background-color: #00a4ff;
text-align: center;
line-height: 32px;
font-size: 14px;
color: #fff;
border-radius: 15px;
}
/* 精品推荐 */
.recommend {
display: flex;
margin-top: 11px;
padding: 0 20px;
height: 60px;
background-color: #fff;
box-shadow: 0px 1px 2px 0px rgba(211, 211, 211, 0.5);
line-height: 60px;
}
.recommend h3 {
font-size: 18px;
color: #00a4ff;
font-weight: 400;
}
.recommend ul {
/* 除去标题和修改兴趣的尺寸,父级剩余尺寸都给ul,实现把修改兴趣挤到最右侧 */
flex: 1;
display: flex;
}
.recommend ul li a {
padding: 0 24px;
border-right: 1px solid #e0e0e0;
font-size: 18px;
}
.recommend ul li:last-child a {
border-right: 0;
}
.recommend .modify {
font-size: 16px;
color: #00a4ff;
}
/* 推荐课程 */
.course {
margin-top: 15px;
}
/* 标题 - 公共类,与其他区域共用 */
.hd {
display: flex;
justify-content: space-between;
height: 60px;
line-height: 60px;
}
.hd h3 {
font-size: 21px;
font-weight: 400;
}
.hd .more {
padding-right: 20px;
background: url(../images/more.png) no-repeat right center;
font-size: 14px;
color: #999;
}
/* 课程内容 - 公共类 */
.bd ul {
display: flex;
flex-wrap: wrap;
justify-content: space-between;
}
.bd li {
margin-bottom: 14px;
width: 228px;
height: 271px;
background-color: pink;
}
.bd li .pic {
height: 156px;
}
.bd li .text {
padding: 20px;
height: 115px;
background-color: #fff;
}
.bd li .text h4 {
margin-bottom: 13px;
height: 40px;
font-size: 14px;
line-height: 20px;
font-weight: 400;
}
.bd li .text p {
font-size: 14px;
line-height: 20px;
color: #999;
}
.bd li .text p span {
color: #fa6400;
}
.bd li .text p i {
font-style: normal;
}
/* 前端 */
.hd ul {
display: flex;
}
.hd li {
margin-right: 60px;
font-size: 16px;
}
.hd li .active {
color: #00a4ff;
}
.bd {
display: flex;
justify-content: space-between;
}
.bd .left {
width: 228px;
/* background-color: pink; */
}
.bd .right {
width: 957px;
/* background-color: pink; */
}
.bd .right .top {
margin-bottom: 15px;
height: 100px;
}
/* 版权 */
.footer {
margin-top: 60px;
padding-top: 60px;
height: 273px;
background-color: #fff;
}
.footer .wrapper {
display: flex;
justify-content: space-between;
}
.footer .left {
width: 440px;
/* background-color: pink; */
}
.footer .left p {
margin-top: 24px;
margin-bottom: 14px;
font-size: 12px;
line-height: 17px;
color: #666;
}
.footer .left .download {
display: block;
width: 120px;
height: 36px;
border: 1px solid #00a4ff;
text-align: center;
line-height: 34px;
font-size: 16px;
color: #00a4ff;
}
.footer .right {
display: flex;
}
.footer .right dl {
margin-left: 130px;
}
.footer .right dt {
margin-bottom: 12px;
font-size: 16px;
line-height: 23px;
}
.footer .right a {
font-size: 14px;
color: #666;
line-height: 24px;
}
index.html
html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>学成在线</title>
<!-- 顺序要求:先清除再设置 -->
<link rel="stylesheet" href="./css/base.css">
<link rel="stylesheet" href="./css/index.css">
</head>
<body>
<!-- 头部区域 -->
<div class="header">
<div class="wrapper">
<!-- logo -->
<div class="logo">
<h1><a href="#">学成在线</a></h1>
</div>
<!-- 导航 -->
<div class="nav">
<ul>
<li><a href="#" class="active">首页</a></li>
<li><a href="#">课程</a></li>
<li><a href="#">职业规划</a></li>
</ul>
</div>
<!-- 搜索 -->
<div class="search">
<input type="text" placeholder="请输入关键词">
<a href="#"></a>
</div>
<!-- 用户 -->
<div class="user">
<a href="#">
<img src="./uploads/user.png" alt="">
<span>播仔学前端</span>
</a>
</div>
</div>
</div>
<!-- banner 区域 -->
<div class="banner">
<div class="wrapper">
<div class="left">
<ul>
<li><a href="#">前端开发</a></li>
<li><a href="#">后端开发</a></li>
<li><a href="#">移动开发</a></li>
<li><a href="#">人工智能</a></li>
<li><a href="#">商业预测</a></li>
<li><a href="#">云计算&大数据</a></li>
<li><a href="#">运维&测试</a></li>
<li><a href="#">UI设计</a></li>
<li><a href="#">产品</a></li>
</ul>
</div>
<div class="right">
<h3>我的课程表</h3>
<div class="content">
<dl>
<dt>数据可视化课程</dt>
<dd><span>正在学习</span>-<strong>echarts使用步骤</strong></dd>
</dl>
<dl>
<dt>Vue3医疗项目课程 </dt>
<dd><span>正在学习</span>-<strong>认识组合式API</strong></dd>
</dl>
<dl>
<dt>React核心技术课程</dt>
<dd><span>正在学习</span>-<strong>rudex配合TS使用</strong></dd>
</dl>
<a href="#">全部课程</a>
</div>
</div>
</div>
</div>
<!-- 精品推荐 -->
<div class="recommend wrapper">
<h3>精品推荐</h3>
<ul>
<li><a href="#">HTML</a></li>
<li><a href="#">CSS</a></li>
<li><a href="#">JavaScript</a></li>
<li><a href="#">Node.js</a></li>
<li><a href="#">Ajax</a></li>
<li><a href="#">Vue2.0</a></li>
<li><a href="#">Vue3.0</a></li>
<li><a href="#">TypeScript</a></li>
<li><a href="#">React</a></li>
</ul>
<a href="#" class="modify">修改兴趣</a>
</div>
<!-- 精品推荐课程 -->
<div class="course wrapper">
<!-- 标题 -->
<div class="hd">
<h3>精品推荐</h3>
<a href="#" class="more">查看全部</a>
</div>
<!-- 内容 -->
<div class="bd">
<ul>
<li>
<a href="#">
<div class="pic"><img src="./uploads/course01.png" alt=""></div>
<div class="text">
<h4>JavaScript数据看板项目实战</h4>
<p><span>高级</span> · <i>1125</i>人在学习</p>
</div>
</a>
</li>
<li>
<a href="#">
<div class="pic"><img src="./uploads/course02.png" alt=""></div>
<div class="text">
<h4>Vue.js实战------面经全端项目</h4>
<p><span>高级</span> · <i>2726</i>人在学习</p>
</div>
</a>
</li>
<li>
<a href="#">
<div class="pic"><img src="./uploads/course03.png" alt=""></div>
<div class="text">
<h4>玩转Vue全家桶,iHRM人力资源项目</h4>
<p><span>高级</span> · <i>9456</i>人在学习</p>
</div>
</a>
</li>
<li>
<a href="#">
<div class="pic"><img src="./uploads/course04.png" alt=""></div>
<div class="text">
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<p><span>高级</span> · <i>7192</i>人在学习</p>
</div>
</a>
</li>
<li>
<a href="#">
<div class="pic"><img src="./uploads/course05.png" alt=""></div>
<div class="text">
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<p><span>高级</span> · <i>2703</i>人在学习</p>
</div>
</a>
</li>
<li>
<a href="#">
<div class="pic"><img src="./uploads/course06.png" alt=""></div>
<div class="text">
<h4>前端框架Flutter开发实战</h4>
<p><span>高级</span> · <i>2841</i>人在学习</p>
</div>
</a>
</li>
<li>
<a href="#">
<div class="pic"><img src="./uploads/course07.png" alt=""></div>
<div class="text">
<h4>熟练使用React.js------极客园H5项目</h4>
<p><span>高级</span> · <i>95682</i>人在学习</p>
</div>
</a>
</li>
<li>
<a href="#">
<div class="pic"><img src="./uploads/course08.png" alt=""></div>
<div class="text">
<h4>熟练使用React.js------极客园PC端项目</h4>
<p><span>高级</span> · <i>904</i>人在学习</p>
</div>
</a>
</li>
<li>
<a href="#">
<div class="pic"><img src="./uploads/course09.png" alt=""></div>
<div class="text">
<h4>前端实用技术,Fetch API 实战</h4>
<p><span>高级</span> · <i>1516</i>人在学习</p>
</div>
</a>
</li>
<li>
<a href="#">
<div class="pic"><img src="./uploads/course10.png" alt=""></div>
<div class="text">
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