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=TabError,autoincrement=True) username = db.Column(db.String(20), nullable=False) password = db.Column(db.String(20), nullable=False) #增加 user = User(username =‘vixx‘,password=‘20120524‘ ) db.session.add(user) db.session.commit() #查询 user=User.query.filter(User.username ==‘vixx‘).first() print(user.username,user.password) #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 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‘) @app.route(‘/zimoban/‘) def zimoban(): return render_template(‘zimoban.html‘) @app.route(‘/zzimoban/‘) def zzimoban(): return render_template(‘zzimoban.html‘) @app.route(‘/index/‘) def index(): return render_template(‘index.html‘) if __name__ == ‘__main__‘: app.run(debug=True)
时间: 2024-10-07 14:23:25