Python String示例

示例#1

class User(dbs.Model):
    id = dbs.Column(dbs.Integer, primary_key=True, autoincrement=True)
    username = dbs.Column(dbs.String(16))

    def save(self):
        dbs.session.add(self)
        dbs.session.commit()

示例#2

class Cat(Animal):
    c_eat = dbs.Column(dbs.String(16), default='fish')

示例#3

class Person(dbs.Model):
    __tablename__ = 'person'
    id = dbs.Column(dbs.Integer, primary_key=True)
    name = dbs.Column(dbs.String(16), unique=True)

示例#4

class Animal(dbs.Model):
    __abstract__ = True
    id = dbs.Column(dbs.Integer, primary_key=True, autoincrement=True)
    a_name = dbs.Column(dbs.String(16))

示例#5

class Student(dbs.Model):
    id = dbs.Column(dbs.Integer, primary_key=True)
    s_name = dbs.Column(dbs.String(20))
    s_password = dbs.Column(dbs.String(256))