医院科研管理系统

class Researcher:

def __init__(self, name, email):

self.name = name

self.email = email

from sqlalchemy import Column, Integer, String, ForeignKey

from sqlalchemy.orm import relationship

class Researcher(db.Model):

__tablename__ = 'researcher'

id = Column(Integer, primary_key=True)

name = Column(String(50))

email = Column(String(120), unique=True)

class Publication(db.Model):

__tablename__ = 'publication'

id = Column(Integer, primary_key=True)

title = Column(String(255))

researcher_id = Column(Integer, ForeignKey('researcher.id'))

researcher = relationship("Researcher", back_populates="publications")

张：这段代码看起来很不错。我们可以继续完善其他功能，比如添加、删除和查询数据。