• 加载静态文件,父模板的继承和扩展


    1. 用url_for加载静态文件
      1. <script src="{{ url_for('static',filename='js/login.js') }}"></script>
      2. flask 从static文件夹开始寻找
      3. 可用于加载css, js, image文件
    2. 继承和扩展
      1. 把一些公共的代码放在父模板中,避免每个模板写同样的内容。base.html
      2. 子模板继承父模板
        1.   {% extends 'base.html’ %}
      3. 父模板提前定义好子模板可以实现一些自己需求的位置及名称。block
        1. <title>{% block title %}{% endblock %}-MIS问答平台</title>
        2. {% block head %}{% endblock %}
        3. {% block main %}{% endblock %}
      4. 子模板中写代码实现自己的需求。block
        1.   {% block title %}登录{% endblock %}
    3. 首页、登录页、注册页都按上述步骤改写。

    父模板

    <!DOCTYPE html>
    <html lang="en">
    <head>
    
        <meta charset="UTF-8">
        <title>模板-
            {% block title %}{% endblock %}
        </title>
    
        <link rel="stylesheet" href="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css">
        <script src="http://cdn.static.runoob.com/libs/jquery/2.1.1/jquery.min.js"></script>
        <script src="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/js/bootstrap.min.js"></script>
        <link rel="stylesheet" type="text/css" href="../static/css/index.css">
        {% block head %}{% endblock %}
    
    </head>
    <body>
    
    <div class="dao">
        <ul class="nav nav-pills">
    
            <li class="active"><a href="{{ url_for('base') }}">首页</a></li>
            <li><a href="{{ url_for('login') }}">登录</a></li>
            <li><a href="{{ url_for('register') }}">注册</a></li>
            <li><a href="#">帮助</a></li>
    
            <li>
                <a class="dropdown-toggle" data-toggle="dropdown" href="#">
                    网站导航 <span class="caret"></span>
                </a>
                <ul class="dropdown-menu">
                    <li><a href="#">链接1</a></li>
                    <li><a href="#">链接2</a></li>
                    <li><a href="#">链接3</a></li>
                    <li><a href="#">链接4</a></li>
    
                    <li class="divider"></li>
                    <li><a href="#">戳一戳我</a></li>
                </ul>
            </li>
            <li>
                <input type="text" placeholder="请输入搜索关键词">
                <button class="sousuo" type="submit">搜索</button>
            </li>
        </ul>
    
    </div>
    
    {% block body %}{% endblock %}
    
    <footer>
        <div class="footer_box">
            Copyright@ 2017-2022 个人版权,版权所有  作者:pys  广告位出租
        </div>
    </footer>
    
    </body>
    </html>

    注册html

    <!DOCTYPE html>
    <html lang="en">
    
    <head>
        {% extends 'index.html' %}
        <meta charset="UTF-8">
        <title>{% block title %}
            MIS问答平台
        {% endblock %}</title>
        <link rel="stylesheet" href="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css">
        <script src="http://cdn.static.runoob.com/libs/jquery/2.1.1/jquery.min.js"></script>
        <script src="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/js/bootstrap.min.js"></script>
        {% block head %}
    
            <script src="{{ url_for('static',filename='javascript/zhuce.js') }}"></script>
            <link rel="stylesheet" type="text/css" href="{{ url_for('static',filename='css/dl.css') }}">
        {% endblock %}
    </head>
    <body>
    {% block body %}
        <div id="zcjm" class="panel panel-info">
            <h2 class="deng" class="panel-title">注册</h2>
            <div id="nr2" class="panel-body">
    
                <div class="input_box">
                    Username :<input type="text" id="username" placeholder="请输入你的用户名">
                </div>
                <br>
                <div class="input_box">
                    Userphone:<input type="text" id="userphone" placeholder="请输入你的手机号">
                </div>
                <br>
                <div class="input_box">
                    Password : <input type="password" id="password" placeholder="请输入密码">
                </div>
                <br>
                <div class="input_box">
                    Password : <input type="password" id="password2" placeholder="请再次输入密码">
                </div>
    
                <div class="error_box" id="error_box"><br></div>
                <div class="bt">
    
                    <button class="zhuce" onclick="fnzhuce()">注册</button>
                </div>
    
    
            </div>
    
    
        </div>
    {% endblock %}
    
    </body>
    </html>

    登录html

    <!DOCTYPE html>
    <html lang="en">
    <head>
        {% extends 'index.html' %}
        <meta charset="UTF-8">
        <title>
            {% block title %}
                MIS问答平台
            {% endblock %}</title>
        <script src="http://cdn.static.runoob.com/libs/jquery/2.1.1/jquery.min.js"></script>
        <script src="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/js/bootstrap.min.js"></script>
        <link rel="stylesheet" href="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css">
        {% block head %}
    
            <script src="{{ url_for('static',filename='javascript/dl.js') }}"></script>
    
            <link rel="stylesheet" type="text/css" href="{{ url_for('static',filename='css/dl.css') }}">
    
        {% endblock %}
    
    </head>
    {% block body %}
    <body class="body">
    
        <div id="dljm" class="panel panel-info">
            <h2 class="deng" class="panel-title">登陆</h2>
            <div id="nr" class="panel-body">
    
                <div class="input_box">
                    Username:<input type="text" id="username" placeholder="请输入用户名">
                </div>
                <br>
                <div class="input_box">
                    Password: <input type="password" id="password" placeholder="请输入密码">
                </div>
                <div class="error_box" id="error_box"><br></div>
                <div class="bt">
    
                    <button class="zhuce" onclick="fnLogin()">登录</button>
                </div>
                <br>
                <input type="radio" name="role" value="stu">学生
                <input type="radio" name="role" value="tea">教师<br>
                <input type="checkbox" value="true"><span>记住我</span><br><a
                    href="http://www.gzcc.cn/html/yonghufenglei/xuesheng/">登陆遇到问题</a><br>
            </div>
    
        </div>
    {% endblock %}
    
    </body>
    </html>

    首页html

    <!DOCTYPE html>
    <html lang="en">
    
    <head>
        {% extends 'index.html' %}
        <meta charset="UTF-8">
        <title>{% block title %}
            登录页
        {% endblock %}</title>
        {% block head %}
            <link rel="stylesheet" href="{{ url_for('static',filename='css/1020.css') }}" type="text/css">
        {% endblock %}
    </head>
    
    <body>
    {% block body %}
        <div class="lianjie">
            <div class="img">
                <a href="http://www.gzcc.cn/"><img src="http://www.005.tv/uploads/allimg/160428/13-16042Q43401629.jpg"></a>
                <div class="desc"><a href="http://www.gzcc.cn/">我是链接1</a></div>
            </div>
    
            <div class="img">
                <a href="http://www.gzcc.cn/"><img src="http://www.deskier.com/uploads/allimg/170626/1-1F626213616.jpg"></a>
                <div class="desc"><a href="http://www.gzcc.cn/">我是链接2</a></div>
            </div>
    
            <div class="img">
                <a href="http://www.gzcc.cn/"><img
                        src="http://ww2.sinaimg.cn/large/9bfa86dcgw1f3zmypw1rwj21hc0u0765.jpg"></a>
                <div class="desc"><a href="http://www.gzcc.cn/">我是链接3</a></div>
            </div>
    
            <div class="img">
                <a href="http://www.gzcc.cn/"><img src="http://bizhi.pcze.com/zhuomian/1920x1200_1920x1080/52504.jpg"></a>
                <div class="desc"><a href="http://www.gzcc.cn/">我是链接4</a></div>
            </div>
            <div class="clearfloat">
                <img src="http://www.005.tv/uploads/allimg/160428/13-16042Q43401629.jpg">
                <img src="http://www.deskier.com/uploads/allimg/170626/1-1F626213616.jpg"><br>
                <img src="http://ww2.sinaimg.cn/large/9bfa86dcgw1f3zmypw1rwj21hc0u0765.jpg">
                <img src="http://bizhi.pcze.com/zhuomian/1920x1200_1920x1080/52504.jpg">
            </div>
    
        </div>
    {% endblock %}
    
    
    </body>
    
    </html>

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  • 原文地址:https://www.cnblogs.com/cch-1007/p/7788473.html
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