增加:
db.session.add(user)
db.session.commit()
查询:
User.query.filter(User.username == 'mis1114').first()
修改:
user.password = '111111'
db.session.commit()
删除:
db.session.delete(user)
db.session.commit()
from flask import Flask,render_template
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)
#创建表格
# db.create_all()
#数据添加方法
# user=User(username='mis777789',password='g6666')
# db.session.add(user)
# db.session.commit()
# 数据的修改方法
# user = User.query.filter(User.username=='mis777789').first
# user.password='0.0.0.0'
# db.session.commit()
# 数据的删除方法
user = User.query.filter(User.username=='mis777789').first()
db.session.delete(user)
db.session.commit()
@app.route('/')
def index():
return render_template("index.html")
@app.route('/login')
def login():
return render_template("login.html")
@app.route('/regis')
def register():
return render_template("Zhuce.html")
@app.route('/fankui')
def fankui():
return render_template("page_fankui.html")
if __name__ == '__main__':
app.run(debug=True)