第三百八十六节，Django+Xadmin打造上线标准的在线教育平台—HTML母版继承
母板-子板-母板继承
母板继承就是访问的页面继承一个母板，将访问页面的内容引入到母板里指定的地方，组合成一个新页面返回给浏览器
一般母板里都是写的一个网页里不变的地方，也就是通用的地方，被继承页（访问页）都是每个页面不同的地方，也就是将页面不同的地方引入到母板组合成一个新页面返回浏览器
母板里一般都是网页的、头部、底部、头部底部css、头部底部js
被继承页（访问页）里一般都是新内容，新内容的css和js
母版
<!DOCTYPE html>
<html>
{% load staticfiles %} {# 启用静态文件引用 #}
<head>
<meta charset="UTF-8">
<meta name="renderer" content="webkit">
<meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1">
<title>{% block title %}课程机构列表 - 慕学在线网{% endblock %}</title>
<link rel="stylesheet" type="text/css" href="{% static 'css/reset.css' %}">
{# 启用静态文件引用后才可以 #}
<link rel="stylesheet" type="text/css" href="{% static 'css/animate.css' %}">
<link rel="stylesheet" type="text/css" href="{% static 'css/style.css' %}">
{% block css %}{% endblock %}
<script src="{% static 'js/jquery.min.js' %}" type="text/javascript"></script>
<script src="{% static 'js/jquery-migrate-1.2.1.min.js' %}" type="text/javascript"></script> </head>
<body> {# 头部和导航条 #}
<section class="headerwrap ">
<header>
<div class=" header">
<div class="top">
<div class="wp">
<div class="fl"><p>服务电话：<b>33333333</b></p></div>
<!--登录后跳转-->
{{ request.META.zhuang_tai }}
{% if request.META.zhuang_tai == True %}
<div class="personal">
<dl class="user fr">
<dd>{{ request.META.username }}<img class="down fr" src="/static/images/top_down.png"/>
</dd>
<dt><img width="20" height="20"
src="/static/media/image/2016/12/default_big_14.png"/></dt>
</dl>
<div class="userdetail">
<dl>
<dt><img width="80" height="80"
src="/static/media/image/2016/12/default_big_14.png"/></dt>
<dd> <h2>{{ request.META.username }}</h2>
<p>{{ request.META.username }}</p>
</dd>
</dl>
<div class="btn">
<a class="personcenter fl" href="usercenter-info.html">进入个人中心</a>
<a class="fr" href="/logout/">退出</a>
</div>
</div>
</div>
{% elif request.META.zhuang_tai != True %}
<a style="color:white" class="fr registerbtn" href="{% url 'register' %}">注册</a>
<a style="color:white" class="fr loginbtn" href="/login.html">登录</a>
{% endif %} </div>
</div> <div class="middle">
<div class="wp">
<a href="index.html"><img class="fl" src="/static/images/logo.jpg"/></a>
<div class="searchbox fr">
<div class="selectContainer fl">
<span class="selectOption" id="jsSelectOption" data-value="course">
公开课
</span>
<ul class="selectMenu" id="jsSelectMenu">
<li data-value="course">公开课</li>
<li data-value="org">课程机构</li>
<li data-value="teacher">授课老师</li>
</ul>
</div>
<input id="search_keywords" class="fl" type="text" value="" placeholder="请输入搜索内容"/>
<img class="search_btn fr" id="jsSearchBtn" src="/static/images/search_btn.png"/>
</div>
</div>
</div> <nav>
<div class="nav">
<div class="wp">
<ul>
<li class="active"><a href="index.html">首页</a></li>
<li>
<a href="course-list.html">
公开课<img class="hot" src="/static/images/nav_hot.png">
</a>
</li>
<li>
<a href="teachers-list.html">授课教师</a>
</li>
<li><a href="org-list.html">授课机构</a></li>
</ul>
</div>
</div>
</nav> </div>
</header>
</section> {# 轮播图 #}
<div class="banner">
<div class="wp">
<div class="fl">
<div class="imgslide">
<ul class="imgs"> <li>
<a href="http://www.imooc.com">
<img width="1200" height="478"
src="/static/media/banner/2016/11/57a801860001c34b12000460.jpg"/>
</a>
</li> <li>
<a href="http://www.projectsedu.com">
<img width="1200" height="478"
src="/static/media/banner/2016/11/57aa86a0000145c512000460.jpg"/>
</a>
</li> <li>
<a href="http://www.projectsedu.com">
<img width="1200" height="478"
src="/static/media/banner/2016/11/57a801860001c34b12000460_z4Vb8zl.jpg"/>
</a>
</li> <li>
<a href="http://www.projectsedu.com">
<img width="1200" height="478"
src="/static/media/banner/2016/11/57aa86a0000145c512000460_nMwvoQD.jpg"/>
</a>
</li> <li>
<a href="http://www.projectsedu.com">
<img width="1200" height="478"
src="/static/media/banner/2016/11/57aa86a0000145c512000460_GXIBATC.jpg"/>
</a>
</li>
</ul>
</div>
<div class="unslider-arrow prev"></div>
<div class="unslider-arrow next"></div>
</div> </div>
</div> {% block leirong %}{% endblock %} {# 底部 #}
<footer>
<div class="footer">
<div class="wp">
<ul class="cont">
<li class="logo"><a href=""><img src="/static/images/footlogo.png"/></a></li>
<li class="code"><img src="/static/images/code.jpg"/><p class="center">扫描关注微信</p></li>
<li class="third"><img class="fl" src="/static/images/tell.png"/><p class="tell">33333333</p><p class="time">周一至周日 9:00-18:00</p></li>
</ul> </div>
<p class="line"></p>
<div class="wp clear">
<span class="fl">? 2016 www.projectsedu.com 慕学在线-在线学习交流平台 保留所有权利</span>
<span class="fr">copyright ? 2016 ICP备案证书号：蜀ICP备xxxxx号-1</span>
</div>
</div>
</footer>
<section>
<ul class="sidebar">
<li class="qq">
<a target="_blank" href="http://wpa.qq.com/msgrd?v=3&uin=2023525077&site=qq&menu=yes"></a>
</li>
<li class="totop"></li>
</ul>
</section>
<script src="/static/js/selectUi.js" type='text/javascript'></script>
<script src="/static/js/deco-common.js" type='text/javascript'></script>
<script type="text/javascript" src="/static/js/plugins/laydate/laydate.js"></script>
<script src="/static/js/plugins/layer/layer.js"></script>
<script src="/static/js/plugins/queryCity/js/public.js" type="text/javascript"></script>
<script src="/static/js/unslider.js" type="text/javascript"></script>
<script src="/static/js/plugins/jquery.scrollLoading.js" type="text/javascript"></script>
<script src="/static/js/deco-common.js" type="text/javascript"></script>
<script type="text/javascript" src="/static/js/index.js"></script>
</body>
</html>
子板
{% extends "muban.html" %} {# #继承母板 #}
{% block title %}首页{% endblock %}
{% block leirong %} {# 设置母版替换区块 #}
<section>
<div class="wp">
<ul class="feature">
<li class="feature1">
<img class="pic" src="/static/images/feature1.png"/>
<p class="center">专业权威</p>
</li>
<li class="feature2">
<img class="pic" src="/static/images/feature2.png"/>
<p class="center">课程最新</p>
</li>
<li class="feature3">
<img class="pic" src="/static/images/feature3.png"/>
<p class="center">名师授课</p>
</li>
<li class="feature4">
<img class="pic" src="/static/images/feature4.png"/>
<p class="center">数据真实</p>
</li>
</ul>
</div>
</section>
<!--feature end-->
<!--module1 start-->
<section>
<div class="module">
<div class="wp">
<h1>公开课程</h1>
<div class="module1 eachmod">
<div class="module1_1 left">
<img width="228" height="614" src="/static/images/module1_1.jpg"/>
<p class="fisrt_word">名师授课<br/>专业权威</p>
<a class="more" href="course-list.html">查看更多课程 ></a>
</div>
<div class="right group_list">
<div class="module1_2 box">
<div class="imgslide2">
<ul class="imgs">
<li>
<a href="course-detail.html">
<img width="470" height="300"
src="/static/media/courses/2016/12/python文件处理.jpg"/>
</a>
</li>
<li>
<a href="course-detail.html">
<img width="470" height="300"
src="/static/media/courses/2016/12/python面向对象.jpg"/>
</a>
</li>
</ul>
</div>
<div class="unslider-arrow2 prev"></div>
<div class="unslider-arrow2 next"></div>
</div>
<div class="module1_3 box">
<a href="course-detail.html">
<img width="233" height="190" src="/static/media/courses/2016/11/mysql.jpg"/>
</a>
<div class="des">
<a href="course-detail.html">
<h2 title="django入门">django入门</h2>
</a>
<span class="fl">难度：<i class="key">初级</i></span>
<span class="fr">学习人数：3</span>
</div>
<div class="bottom">
<span class="fl" title="慕课网">慕课网</span>
<span class="star fr">0</span>
</div>
</div>
<div class="module1_4 box">
<a href="course-detail.html">
<img width="233" height="190"
src="/static/media/courses/2016/11/57035ff200014b8a06000338-240-135.jpg"/>
</a>
<div class="des">
<a href="course-detail.html">
<h2 title="java入门">java入门</h2>
</a>
<span class="fl">难度：<i class="key">中级</i></span>
<span class="fr">学习人数：0</span>
</div>
<div class="bottom">
<span class="fl" title="北京大学">北京大学</span>
<span class="star fr">0</span>
</div>
</div>
<div class="module1_5 box">
<a href="course-detail.html">
<img width="233" height="190"
src="/static/media/courses/2016/11/540e57300001d6d906000338-240-135.jpg"/>
</a>
<div class="des">
<a href="course-detail.html">
<h2 title="python入门">python入门</h2>
</a>
<span class="fl">难度：<i class="key">中级</i></span>
<span class="fr">学习人数：0</span>
</div>
<div class="bottom">
<span class="fl" title="南京大学">南京大学</span>
<span class="star fr">0</span>
</div>
</div>
<div class="module1_6 box">
<a href="course-detail.html">
<img width="233" height="190"
src="/static/media/courses/2016/11/57035ff200014b8a06000338-240-135_dHfj8Nq.jpg"/>
</a>
<div class="des">
<a href="course-detail.html">
<h2 title="java入门2">java入门2</h2>
</a>
<span class="fl">难度：<i class="key">高级</i></span>
<span class="fr">学习人数：0</span>
</div>
<div class="bottom">
<span class="fl" title="慕课网2">慕课网2</span>
<span class="star fr">0</span>
</div>
</div>
<div class="module1_7 box">
<a href="course-detail.html">
<img width="233" height="190"
src="/static/media/courses/2016/11/57035ff200014b8a06000338-240-135_0nFiBSI.jpg"/>
</a>
<div class="des">
<a href="course-detail.html">
<h2 title="java入门3">java入门3</h2>
</a>
<span class="fl">难度：<i class="key">初级</i></span>
<span class="fr">学习人数：1</span>
</div>
<div class="bottom">
<span class="fl" title="慕课网3">慕课网3</span>
<span class="star fr">0</span>
</div>
</div>
<div class="module1_8 box">
<a href="course-detail.html">
<img width="233" height="190"
src="/static/media/courses/2016/11/540e57300001d6d906000338-240-135_MSIqfvw.jpg"/>
</a>
<div class="des">
<a href="course-detail.html">
<h2 title="python入门2">python入门2</h2>
</a>
<span class="fl">难度：<i class="key">中级</i></span>
<span class="fr">学习人数：0</span>
</div>
<div class="bottom">
<span class="fl" title="慕课网666">慕课网666</span>
<span class="star fr">0</span>
</div>
</div>
</div>
</div>
</div>
</div>
</section>
<section>
<div class="module greybg">
<div class="wp">
<h1>课程机构</h1>
<div class="module3 eachmod">
<div class="module3_1 left">
<img width="228" height="463" src="/static/images/module3_1.jpg"/>
<p class="fisrt_word">名校来袭<br/>权威认证</p>
<a class="more" href="org-list.html">查看更多机构 ></a>
</div>
<div class="right">
<ul>
<li class="">
<a href="org-detail-homepage.html">
<div class="company">
<img width="184" height="100" src="/static/media/org/2016/11/imooc.png"/>
<div class="score">
<div class="circle">
<h2>全国知名</h2>
</div>
</div>
</div>
<p><span class="key" title="慕课网">慕课网</span></p>
</a>
</li>
<li class="">
<a href="org-detail-homepage.html">
<div class="company">
<img width="184" height="100" src="/static/media/org/2016/11/bjdx.jpg"/>
<div class="score">
<div class="circle">
<h2>全国知名</h2>
</div>
</div>
</div>
<p><span class="key" title="北京大学">北京大学</span></p>
</a>
</li>
<li class="">
<a href="org-detail-homepage.html">
<div class="company">
<img width="184" height="100" src="/static/media/org/2016/11/qhdx-logo.png"/>
<div class="score">
<div class="circle">
<h2>全国知名</h2>
</div>
</div>
</div>
<p><span class="key" title="清华大学">清华大学</span></p>
</a>
</li>
<li class="">
<a href="org-detail-homepage.html">
<div class="company">
<img width="184" height="100" src="/static/media/org/2016/11/njdx.jpg"/>
<div class="score">
<div class="circle">
<h2>全国知名</h2>
</div>
</div>
</div>
<p><span class="key" title="南京大学">南京大学</span></p>
</a>
</li>
<li class="five">
<a href="org-detail-homepage.html">
<div class="company">
<img width="184" height="100" src="/static/media/org/2016/11/imooc_klgAUn5.png"/>
<div class="score">
<div class="circle">
<h2>全国知名</h2>
</div>
</div>
</div>
<p><span class="key" title="慕课网2">慕课网2</span></p>
</a>
</li>
<li class="">
<a href="org-detail-homepage.html">
<div class="company">
<img width="184" height="100" src="/static/media/org/2016/11/imooc_Gn1sRjp.png"/>
<div class="score">
<div class="circle">
<h2>全国知名</h2>
</div>
</div>
</div>
<p><span class="key" title="慕课网3">慕课网3</span></p>
</a>
</li>
<li class="">
<a href="org-detail-homepage.html">
<div class="company">
<img width="184" height="100" src="/static/media/org/2016/11/imooc_Y2Tonsq.png"/>
<div class="score">
<div class="circle">
<h2>全国知名</h2>
</div>
</div>
</div>
<p><span class="key" title="慕课网3">慕课网3</span></p>
</a>
</li>
<li class="">
<a href="org-detail-homepage.html">
<div class="company">
<img width="184" height="100" src="/static/media/org/2016/11/imooc_OO2ykYP.png"/>
<div class="score">
<div class="circle">
<h2>全国知名</h2>
</div>
</div>
</div>
<p><span class="key" title="慕课网4">慕课网4</span></p>
</a>
</li>
<li class="">
<a href="org-detail-homepage.html">
<div class="company">
<img width="184" height="100" src="/static/media/org/2016/11/imooc_V0TJOyb.png"/>
<div class="score">
<div class="circle">
<h2>全国知名</h2>
</div>
</div>
</div>
<p><span class="key" title="慕课网5">慕课网5</span></p>
</a>
</li>
<li class="five">
<a href="org-detail-homepage.html">
<div class="company">
<img width="184" height="100" src="/static/media/org/2016/11/imooc_qEaMov1.png"/>
<div class="score">
<div class="circle">
<h2>全国知名</h2>
</div>
</div>
</div>
<p><span class="key" title="慕课网666">慕课网666</span></p>
</a>
</li>
<li class="">
<a href="org-detail-homepage.html">
<div class="company">
<img width="184" height="100" src="/static/media/org/2016/12/bjdx.jpg"/>
<div class="score">
<div class="circle">
<h2>全国知名</h2>
</div>
</div>
</div>
<p><span class="key" title="慕学网">慕学网</span></p>
</a>
</li>
<li class="">
<a href="org-detail-homepage.html">
<div class="company">
<img width="184" height="100" src="/static/media/org/2016/12/imooc_Gn1sRjp.png"/>
<div class="score">
<div class="circle">
<h2>全国知名</h2>
</div>
</div>
</div>
<p><span class="key" title="python培训机构">python培训机构</span></p>
</a>
</li>
<li class="">
<a href="org-detail-homepage.html">
<div class="company">
<img width="184" height="100" src="/static/media/org/2016/12/bjdx_cCpdUw8.jpg"/>
<div class="score">
<div class="circle">
<h2>全国知名</h2>
</div>
</div>
</div>
<p><span class="key" title="vuejs培训">vuejs培训</span></p>
</a>
</li>
<li class="">
<a href="org-detail-homepage.html">
<div class="company">
<img width="184" height="100" src="/static/media/org/2016/12/imooc_klgAUn5.png"/>
<div class="score">
<div class="circle">
<h2>全国知名</h2>
</div>
</div>
</div>
<p><span class="key" title="nodejs培训">nodejs培训</span></p>
</a>
</li>
<li class="five">
<a href="org-detail-homepage.html">
<div class="company">
<img width="184" height="100" src="/static/media/org/2016/12/bjdx_bcd0m07.jpg"/>
<div class="score">
<div class="circle">
<h2>全国知名</h2>
</div>
</div>
</div>
<p><span class="key" title="慕学在线">慕学在线</span></p>
</a>
</li>
</ul>
</div>
</div>
</div>
</div>
</section>
{% endblock %}