from  flask import Flask
from  exts import db
from  flask_script import Manager
from  flask_bootstrap import Bootstrap
from  flask_sqlalchemy import SQLAlchemy
app =Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql+pymysql://root:[email protected]:3306/python1810'
app.config['SQLALCHEMY_TRACK_MODIFICATIONS']=False
db =SQLAlchemy(app)
manager=Manager(app)



class User(db.Model):
    __tablename__ = 'user'
    id =db.Column(db.Integer,primary_key=True)
    username =db.Column(db.String(12),index=True)
    password_hash =db.Column(db.String(128),default='123456')
    age =db.Column(db.Integer,default=18)
    sex =db.Column(db.Boolean,default=True)
    email =db.Column(db.String(60),default='
 
[email protected]')
    icon =db.Column(db.String(70),default='1.jpg')
    confirm =db.Column(db.Boolean,default=False)
    def __str__(self):
        return self.username

#建立表
@app.route('/create_table/')
def create_table():
    db.create_all()
    return  'create_table'


#刪除表
@app.route('/drop_table/')
def drop_table():
    db.drop_all()
    return  'drop_table'




#新增一條資料

@app.route('/insert_one/')
def insert_one():
    try:
        u=User(username='李四')
        db.session.add(u)
        db.session.commit()
    except:
        db.session.rollback()#回滾
    return  'insert_one'


@app.route('/insert_many/')
def insert_many():
    try:
        u1 =User(username='王五')
        u2 = User(username='李四')
        db.session.add_all([u1,u2])
        db.session.commit()
    except:
        db.session.rollback()#回滾
    return  'insert_many'


#查詢一條資料
@app.route('/select_one/')
def select_one():
    u =User.query.get(1)#只能查詢id
    print(u.username)
    print(u.sex)
    print(u.age)
    return 'select_one'
#修改資料
@app.route('/update/')
def update():
    u=User.query.get(1)
    u.username='趙六'
    u.password_hash='21421343252'
    u.age=30
    u.sex=True
    db.session.add(u)
    db.session.commit()
    return 'update'

#刪除一條資料
@app.route('/delete_one/')
def delete_one():
    u =User.query.get(1)
    db.session.delete(u)
    db.session.commit()
    return  'delete_one'

if __name__ =='__main__':
    manager.run()