加载静态文件,父模板的继承和扩展
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- 用url_for加载静态文件
- <script src="{{ url_for(\'static\',filename=\'js/login.js\') }}"></script>
- flask 从static文件夹开始寻找
- 可用于加载css, js, image文件
- 继承和扩展
- 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
- 子模板继承父模板
- {% extends \'base.html’ %}
- 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
- <title>{% block title %}{% endblock %}-MIS问答平台</title>
- {% block head %}{% endblock %}
- {% block main %}{% endblock %}
- 子模板中写代码实现自己的需求。block
- {% block title %}登录{% endblock %}
- 首页、登录页、注册页都按上述步骤改写。
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title> {% block title %} {% endblock %} 首页</title> <link rel="stylesheet" type="text/css" href="{{ url_for(\'static\', filename=\'css/base.css\') }}"> <script src="{{ url_for(\'static\',filename=\'js/base.js\') }}"></script> {% block head %} {% endblock %} a </head> <body id="myBody"> <nav> <img id="myOnOff" onclick="mySwitch()" src="{{ url_for(\'static\',filename=\'image/pic_bulboff.gif\') }}" width="30px"> <a href="{{ url_for(\'base\') }}">首页</a> <a href="{{ url_for(\'regist\') }}">注册</a> <a href="{{ url_for("login")}}" >登录</a> </nav> {% block main %} {% endblock %} <div class="area"></div> </div> </body> </html>
login
{% extends\'base.html\' %} {% block title %} 登录 {% endblock %} {% block head %} <link rel="stylesheet" type="text/css" href="../static/css/login.css"> <script src="../static/js/login.js"></script> {% endblock %} {% block main %} <body class="body"> <div class="box"> <h2 class="ziti">登录</h2> <div class="input_box"> <input id="uname" type="text" placeholder="请输入用户名"> </div> <div class="input_box"> <input id="upass" type="password" placeholder="请输入密码"> </div> <div id="error_box"><br></div> <div class="input_box"> <button onclick="fnLogin()">登录</button> </div> </div> {% endblock %} </body> </html>
regist
{% extends\'base.html\' %} {% block title %} 注册 {% endblock %} {% block head %} <link rel="stylesheet" type="text/css" href="../static/css/login.css"> <script src="../static/js/login.js"></script> {% endblock %} {% block main %} <body class="body"> <div class="box"> <h2 class="ziti">注册</h2> <div class="input_box"> <input id="uname" type="text" placeholder="你的用户名"> </div> <div class="input_box"> <input id="upass" type="password" placeholder="设置密码"> </div> <div class="input_box"> <input id="upass1" type="password" placeholder="密码"> <div id="error_box"><br></div> <div class="input_box"> <button onclick="fnRegist()">注册</button> </div> </div> </div> {% endblock %} </body> </html>
from flask import Flask,render_template app = Flask(__name__) @app.route(\'/\') def base(): return render_template(\'base.html\') @app.route(\'/login/\') def login(): return render_template(\'login.html\') @app.route(\'/regist/\') def regist(): return render_template(\'regist.html\') if __name__ == \'__main__\': app.run(debug=True)
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