import os
DEBUG = True
SECRET_KEY = os.urandom(24)
DIALECT = 'mysql'
DRIVER = 'mysqldb'
USERNAME = 'root'
PASSWORD = 'ROOT'
HOST = 'localhost'
DATABASE = 'mis_db'
SQLALCHEMY_DATABASE_URI = 'mysql+pymysql://root:19940224@localhost:3306/mis_db?charset=utf8'
SQLALCHEMY_TRACK_MODIFICATIONS = False
from flask import Flask
from flask import render_template,request,redirect,url_for
import config
from flask_sqlalchemy import SQLAlchemy
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),nullable=True)
db.create_all()
# 增加
# user=User(username='yujiujiu2',password='11111',nickname='123456')
# db.session.add(user)
# db.session.commit()
#查询
# user=User.query.filter(User.username =='yujiujiu2').first()
# print(user.username,user.password,user.nickname)
#删除
# user=User.query.filter(User.username =='vixx').first()
# db.session.delete(user)
# db.session.commit()
#修改
# user=User.query.filter(User.username =='vixx').first()
# user.password='123456789'
# db.session.commit()
@app.route('/')
def lx():
return render_template('lx3.html')
@app.route('/login/',methods=['GET','POST'])
def login():
if request.method=='GET':
return render_template('lx2.html')
else:
username = request.form.get('username')
password = request.form.get('password')
user = User.query.filter(User.username == username ).first()
# 判断用户名是否存在
if user:
if user.password==password:
return redirect(url_for('lx'))
else:
return u'密码错误'
else:
return u'账号不存在'
@app.route('/regist',methods=['GET','POST'])
def regist():
if request.method=='GET':
return render_template('lx.html')
else:
username=request.form.get('username')
password=request.form.get('password')
user = User.query.filter(User.username == username).first()
# 判断用户名是否存在
if user:
return u'账号已存在'
else:
user = User(username=username, password=password)
db.session.add(user)
db.session.commit()
return redirect(url_for('login'))
@app.route('/fabu')
def fabu():
return render_template('fabu.html')
if __name__ == '__main__':
app.run(debug=True)
{% extends 'lx3.html' %}
{% block logintitle %}登录{% endblock %}
{% block loginhead %}<script type="text/javascript" src="../static/js/js.js"></script>{% endblock %}
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
<link rel="stylesheet" type="text/css" href="../static/css/webb.css" >
<h1>
用户界面
</h1>
<body class="body">
{% block body %}
<p id="demo">这是一个段落</p>
<button type="button" onclick="displayDate()">显示日期</button>
<div class="bigdiv" id="container" >
<div id="header" ><h2 align="center">登陆</h2></div>
<div id="content">
<form action="{{ url_for('login')}}"method="post">
<div align="center">username:<input id="user" type="text" name="username" placeholder="请输入用户名" ></div> <br>
<div align="center"> password:<input id="upass" type="password" name="password" align="center"><br></div>
<div align="center"> <input type="radio" name="role" value="stu">student
<input type="radio" name="role" value="tea">teacher <br>
<input type="checkbox" value="true"><span style="color: blueviolet">rember</span> <a href="www.gzcc.cn"> 登陆问题请点</a></div> <br>
<div align="center">
<button type="submit" onclick=" return fuck()">登录</button>
<input type="button" value="cancel"><br>
</div>
<div align="center">
<div id="error_box"></div><br>
</div>
</form>
</div>
</div>
{% endblock %}
</body>
</html>
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