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目录
网站根目录:存档网站的第一层文件夹,内部包含当前网站的所有素材。
见资料。
1、布局思路:先整体再局部,从外到内,从上到下,从左到右。
2、CSS实现思路
2.1 画盒子,调整盒子范围 → 宽高背景色
2.2 调整盒子位置 → flex布局,内外边距
2.3 控制图片、文字内容样式
通栏:宽度与浏览器窗口相同的盒子
标签结构:通栏->版心->logo + 导航 + 搜索 + 用户
logo:
1 单击跳转到首页 → a标签
2搜索引擎优化:提升网站百度搜索排名
实现方法:
1 标签结构: h1 > a > 网站名字(搜索关键字)
2 CSS样式: 给a标签加背景图,转 显示模式(块级),且隐藏文字(字体大小为0)
- /* logo区域 */
- .logo a {
- display: block;
- width: 195px;
- height: 41px;
- background-image: url(../images/logo.png);
- font-size: 0;
- }
html
- <div class="logo">
- <h1><a href="#">学成在线</a> </h1>
- </div>
提升网站百度搜索排名如何实现
标签结构要有h1,a里面放文字,未来是搜索关键字。
导航功能:单击跳转页面
实现方法
标签结构:ul > li*3 > a
优点: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
代码
CSS
- /* 导航区域 */
- .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;
- }
-
- /* active 类选择器,表示m默认选中的a */
- .nav li .active,
- .nav li a:hover {
- border-bottom: 2px solid #00a4ff;
-
- }
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HTML
- <!-- 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>
实现方法:
两部分内容在一行排:display: flex
代码
- /* 搜索 */
- .search {
- display: flex;
- width: 412px;
- height: 40px;
- background-color: #f3f5f7;
- border-radius: 20px;
- margin-left: 64px;
- padding-left: 19px;
- padding-right: 12px;
- }
- .search input {
- flex: 1;
- background-color: transparent;
- border: 0;
- outline: none; /* 去掉焦点框 */
- }
- /* placeholder选中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 */
- /* 弹性盒子加宽高生效 */
- .search a {
- width: 16px;
- height: 16px;
- background-image: url(../images/search.png);
- align-self: center;
- /* 侧轴居中 */
- }
-
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HTML
- <!-- 搜索 -->
- <div class="search">
- <input type="text" placeholder="请输入关键词">
- <a href="#"></a>
- </div>
实现方法
span选一个不换行的。
代码
CSS
-
- /* 用户 */
- .user {
- margin-left: 32px;
- margin-top: 4px;
-
- }
- .user img {
- /* vertical-align 处理行内块和行内垂直方向对齐方式 */
- vertical-align: middle;
- margin-right: 7px;
- }
- .user span {
- font-size: 16px;
- color: #666;
- }
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HTML
- <!-- 用户 -->
- <div class="user">
- <a href="#">
- <img src="./uploads/user.png" alt="">
- <span>波仔学前端</span>
- </a>
- </div>
结构:通栏banner > 版心 > .left + .right
代码实现
实现方法:
标签结构: .left > ul > li*9 > a
布局思路: a 默认状态 箭头是装饰性的,所以用背景图。
箭头是装饰性的,所以用背景图
标签结构:.right > h3 + .content
代码实现
CSS
- /* 课程表 */
- .banner .right {
- margin-top: 60px;
- width: 218px;
- height: 205px;
- border-radius: 10px;
- background-color: #209dd5;
- }
- .banner .right h3 {
- margin-left: 14px;
- height: 48px;
- line-height: 48px;
- font-size: 15px;
- color: #fff;
- font-weight: 400;
- }
- .banner .right .content {
- height: 257px;
- background-color: #fff;
- border-radius: 10px;
- padding: 14px;
- }
- .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 {
- font-weight: 400;
- color: #7d7d7d;
- }
- .banner .right a {
- display: block;
- height: 32px;
- background-color: #00a4ff;
- border-radius: 15px;
- text-align: center;
- line-height: 32px;
- font-size: 14px;
- color: #fff;
-
- }
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HTML
- <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>
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实现方法:
标签结构: .recommend > h3 + ul + a.modify
代码实现
CSS
- /* 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 {
- display: flex;
- flex: 1;
- }
- .recommend ul li a {
- padding: 0 24px;
- border-right: 1px solid #e0e0e0;
- color: 18px;
- }
- .recommend ul li:last-child {
- border-right: none;
- }
- .recommend .modify {
- color: #00a4ff;
- font-size: 16px;
- }
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HTML
- <!-- 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>

实现方法
标签结构: .hd + .bd
布局思路:盒子模型
代码实现
CSS
- /* 精品课程 */
- /* 公共类hd,与其他类共用,减少代码量 */
- .course {
- margin-top: 15px;
- }
- .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-image: url(../images/more.png);
- background-repeat: no-repeat;
- background-position: 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;
- /* 不倾斜 */
- }
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HTML
- <!-- 精品课程 -->
- <div class="course wrapper">
- <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数据看板项目实践</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/course01.png" alt=""> </div>
- <div class="text">
- <h4>JavaScript数据看板项目实践</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/course01.png" alt=""> </div>
- <div class="text">
- <h4>JavaScript数据看板项目实践</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/course01.png" alt=""> </div>
- <div class="text">
- <h4>JavaScript数据看板项目实践</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/course01.png" alt=""> </div>
- <div class="text">
- <h4>JavaScript数据看板项目实践</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/course01.png" alt=""> </div>
- <div class="text">
- <h4>JavaScript数据看板项目实践</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/course01.png" alt=""> </div>
- <div class="text">
- <h4>JavaScript数据看板项目实践</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/course01.png" alt=""> </div>
- <div class="text">
- <h4>JavaScript数据看板项目实践</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/course01.png" alt=""> </div>
- <div class="text">
- <h4>JavaScript数据看板项目实践</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/course01.png" alt=""> </div>
- <div class="text">
- <h4>JavaScript数据看板项目实践</h4>
- <p><span>高级</span> · <i>1125</i>人在学习</p>
- </div>
- </a>
- </li>
- </ul>
- </div>
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使用section6 的公共类。
代码实现
CSS
- /* 前端 */
- .hd ul {
- display: flex;
-
- }
- .hd li {
- font-size: 16px;
- margin-right: 60px;
- }
- .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 {
- height: 100px;
- margin-bottom: 15px;
- }
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HTML
- <!-- 前端 -->
- <div class="wrapper">
- <div class="hd">
- <h3>前端开发工程师</h3>
- <ul>
- <li><a href="#" class="active">热门</a></li>
- <li><a href="#">初级</a></li>
- <li><a href="#">中级</a></li>
- <li><a href="#">高级</a></li>
- </ul>
- <a href="#" class="more">查看全部</a>
- </div>
- <div class="bd">
- <div class="left">
- <img src="./uploads/web_left.png" alt="">
- </div>
- <div class="right">
- <div class="top">
- <img src="./uploads/web_top.png" alt="">
- </div>
- <div class="bottom">
- <ul>
- <li>
- <a href="#">
- <div class="pic"><img src="./uploads/course01.png" alt=""> </div>
- <div class="text">
- <h4>JavaScript数据看板项目实践</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/course01.png" alt=""> </div>
- <div class="text">
- <h4>JavaScript数据看板项目实践</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/course01.png" alt=""> </div>
- <div class="text">
- <h4>JavaScript数据看板项目实践</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/course01.png" alt=""> </div>
- <div class="text">
- <h4>JavaScript数据看板项目实践</h4>
- <p><span>高级</span> · <i>1125</i>人在学习</p>
- </div>
- </a>
- </li>
- </ul>
-
- </div>
-
- </div>
- </div>
- </div>
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自己实现。直接用精品课程部分不行,重新写了一个类,调用bd里面的li,bd被替换。
代码实现
CSS
- /* 人工智能开发 */
- .cont ul {
- display: flex;
- justify-content: space-between;
- }
HTML
- <!-- 人工智能开发 -->
- <div class="wrapper">
- <div class="hd">
- <h3>人工智能开发</h3>
- <ul>
- <li><a href="#" class="active">热门</a></li>
- <li><a href="#">初级</a></li>
- <li><a href="#">中级</a></li>
- <li><a href="#">高级</a></li>
- </ul>
- <a href="#" class="more">查看全部</a>
- </div>
- <!-- 内容 -->
- <div class="cont">
- <ul>
- <li>
- <a href="#">
- <div class="pic"><img src="./uploads/course01.png" alt=""> </div>
- <div class="text">
- <h4>JavaScript数据看板项目实践</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/course01.png" alt=""> </div>
- <div class="text">
- <h4>JavaScript数据看板项目实践</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/course01.png" alt=""> </div>
- <div class="text">
- <h4>JavaScript数据看板项目实践</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/course01.png" alt=""> </div>
- <div class="text">
- <h4>JavaScript数据看板项目实践</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/course01.png" alt=""> </div>
- <div class="text">
- <h4>JavaScript数据看板项目实践</h4>
- <p><span>高级</span> · <i>1125</i>人在学习</p>
- </div>
- </a>
- </li>
- </ul>
- </div>
-
-
- </div>
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代码实现
CSS
- /* 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 .download {
- display: block;
- /* a自己在一行,所以就display转成块,不需要父级转成flex */
- width: 120px;
- height: 36px;
- border: 1px solid #00a4ff;
- text-align: center;
- line-height: 34px;
- color: #00a4ff;
- font-size: 16px;
-
- }
- .footer .right {
- display: flex;
- /* justify-content: space-between; */
- }
- .footer .right dl {
- margin-right: 130px;
- }
-
- .footer .right dt {
- margin-bottom: 12px;
- font-size: 16px;
- line-height: 23px;
- }
- .footer .right a {
- font-size: 14px;
- color: #666;
- line-height: 24px;
- }
-
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HTML
- <!-- 版权 -->
- <div class="footer">
- <div class="wrapper">
- <div class="left">
- <a href="#"><img src="./images/logo.png" alt=""></a>
- <p>
- xxxxxx
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