from flask import Flask,render_template,request,redirect,url_for
from flask_sqlalchemy import SQLAlchemy
import config
app = Flask(__name__)
app.config.from_object(config)
db=SQLAlchemy(app)
class User(db.Model):
__tablename__ = 'User'
id = db.Column(db.Integer,primary_key=True,autoincrement=True)
username = db.Column(db.String(20),nullable=False)
password = db.Column(db.String(20), nullable=False)
nickname = db.Column(db.String(20))
db.create_all()
# user=User(username='mis1234',password='111111')
# db.session.add(user)
# db.session.commit()
@app.route('/')
def base():
return render_template("base.html")
@app.route('/login/', methods=['GET', 'POST'])
def login():
if request.method == 'GET':
return render_template("denglu.html")
else:
username = request.form.get('username')
password = request.form.get('password')
user = User.query.filter(User.username == username).first()
if user:
if user.password == password:
return redirect(url_for('base'))
else:
return '密码错误'
else:
return '用户名不存在'
@app.route('/regist/', methods=['GET', 'POST'])
def zhuce():
if request.method == 'GET':
return render_template("zhuce.html")
else:
username = request.form.get('username')
password = request.form.get('password')
nickname = request.form.get('nickname')
user = User.query.filter(User.username == username).first()
if user:
return '用户名已存在'
else:
user = User(username=username, password=password, nickname=nickname)
db.session.add(user) # 数据库，添加操作
db.session.commit()
return redirect(url_for('login'))
@app.route('/fabu/')
def fabu():
return render_template('question.html')
if __name__=='__main__':
app.run(debug=True)
{% extends'fumoban.html' %}
<html>
<head>
<meta charset="UTF-8">
<title>登录</title>
{% block head %}
<link href="../static/css/zhuce.css" rel="stylesheet" type="text/css">
<script src="../static/js/denglu.js"></script>
{% endblock %}
</head>
<body>
{% block main %}
<div><h1>用户登录</h1></div>
<form action="{{ url_for('login') }}" method="post"></form>
<div class="aa"><script>document.write("loading....")</script>
</div>
<div class="flex-container">
<form class="form" method="post" action="{{ url_for('login') }}">
<div class="box">
<div class="input_box">
登录 <input id="uname" name='username'type="text" placeholder="输入用户名">
</div>
<br>
<div class="input_box">
密码 <input id="upass" name='password'type="password" placeholder="输入密码">
</div>
<br>
<div id="error_box"><br></div>
<div class="input_box">
<button onclick="fnLogin()">登录</button>
</div>
</div>
</form>
</div>
{% endblock %}
</body>
</html>