11.3

  1. 新建Flask项目。
  2. 设置调试模式。
  3. 理解Flask项目主程序。
  4. 使用装饰器，设置路径与函数之间的关系。
  5. 使用Flask中render_template，用不同的路径，返回首页、登录员、注册页。
  6. 用视图函数反转得到URL，url_for(‘login’)，完成导航里的链接。 
    flask代码：
from flask import Flask,render_template

app = Flask(__name__)


@app.route('/')
def shouye():
    return render_template('shouye.html')
@app.route('/tt')
def tt():
    return render_template('tt.html')
@app.route('/zhuce')
def zhuce():
    return render_template('zhuce.html')

if __name__ == '__main__':
    app.run(debug=True)
  7. 首页代码：
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>网易考拉</title>
    <style>
        .li{
            background-color: blanchedalmond ;
        }
        .ziti{
            font-family: "Adobe 仿宋 Std R";font-size: small;
        }
        .zix{
            font-family: "Adobe 黑体 Std R";font-size: medium;
        }
    </style>
</head>
<nav style="background-color: blanchedalmond">
    <img src="https://haitao.nos.netease.com/e740ea878fa94730b3d86579a8e68a26.jpg">
    <input type="text" placeholder="输入你想找的宝贝">
    <input type="button" value="搜索">
    <a>购物车</a>

    <a href="https://www.kaola.com/activity/flashSaleIndex/show.html?navindex=2&zn=top">今日限时购</a>
    <a href="https://www.kaola.com/activity/newArrival.html?navindex=3&zn=top">每日上新</a>
    <a href="{{ url_for('tt') }}">登陆</a>
    <a href="{{ url_for('zhuce') }}">注册</a>

</nav>
<body class="li">
<h1 align="center"><a href="https://www.kaola.com/?zn=top"target="_blank">网易考拉</a></h1>
<br>
<br>
<div>
  <select class="ziti">
      <option>收藏</option>
      <option>点赞</option>
      <option>评论</option>
  </select>
    <ul class="zix">
        <li>母婴儿童</li>
        <li>每日彩妆</li>
        <li>服饰鞋包</li>
        <li>家居个护</li>
        <li>数码家电</li>
        <li>运动户外</li>
    </ul>


</div>





</body>
</html>
    登陆页代码：
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录</title>
    <link rel="stylesheet" type="text/css" href="../static/css/dl.css">
    <script src="../static/js/denlu.js"></script>


</head>
<nav style="background-color: blanchedalmond">
    <img src="https://haitao.nos.netease.com/e740ea878fa94730b3d86579a8e68a26.jpg" width="600px">
    <input type="text" placeholder="输入你想找的宝贝">
    <input type="button" value="搜索">
    <a>购物车</a>
    <a href="{{ url_for('shouye') }}">首页</a>
    <a href="https://www.kaola.com/activity/flashSaleIndex/show.html?navindex=2&zn=top">今日限时购</a>
    <a href="https://www.kaola.com/activity/newArrival.html?navindex=3&zn=top">每日上新</a>
    <a href="{{ url_for('tt') }}">登陆</a>
    <a href="{{ url_for('zhuce') }}">注册</a>
    <img id="myOnOff" onclick="mySwitch()" src="../static/image/on.png" width="40px">
</nav>
<body id="myBody">
<div class="box">
    <div id="tittle"><h2 align="center">登录</h2></div>
    <div class="input_box">
        账户： <input id="uname" type="text" placeholder="请输入用户名">
    </div>
    <div class="input_box">
        密码： <input id="upass" type="password" placeholder="请输入密码">
    </div>
    <div id="error_box"><br></div>
    <div class="input_box">
        <button onclick="foLogin()">登录</button>
    </div>

    <button type="button" onclick="foLogin()"><a href="zhuce.html">注册</a></button>

</div>

</body>
</html>
     注册页代码：
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>注册</title>
    <link rel="stylesheet" type="text/css" href="../static/css/dl.css">
    <script src="../static/js/yx.js"></script>

</head>
<nav style="background-color: blanchedalmond">
    <img src="https://haitao.nos.netease.com/e740ea878fa94730b3d86579a8e68a26.jpg" width="600px">
    <input type="text" placeholder="输入你想找的宝贝">
    <input type="button" value="搜索">
    <a>购物车</a>
    <a href="{{ url_for('shouye') }}">首页</a>
    <a href="https://www.kaola.com/activity/flashSaleIndex/show.html?navindex=2&zn=top">今日限时购</a>
    <a href="https://www.kaola.com/activity/newArrival.html?navindex=3&zn=top">每日上新</a>
    <a href="{{ url_for('tt') }}">登陆</a>
    <a href="{{ url_for('zhuce') }}">注册</a>
    <img id="myOnOff" onclick="mySwitch()" src="../static/image/on.png" width="40px">
</nav>
<body>

<div class="box">
    <div id="tittle"><h2 align="center">新用户注册</h2></div>
    <div class="input_box">
        用户名： <input id="uname" type="text" placeholder="请输入用户名">
    </div>
    <div class="input_box">
        密码： <input id="upass" type="password" placeholder="请输入密码">
    </div>
    <div class="input_box ">
        密码：<input id="upass1" type="password" placeholder="请再次输入密码">
    </div>
    <div id="error_box"><br></div>
    <div class="input_box">
        <button onclick="foLogin()">注册</button>
    </div>


</div>

</body>
</html>

     

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原文地址：https://www.cnblogs.com/chenyanxi123/p/7776795.html