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 %}