摘要:
解释: (1)创建表:将43-54行代码解封,此时会自动为您创建相关联的表 重点理解: 32行:student = relationship("Student",backref="my_study_record") 这里需要引入 from sqlalchemy.orm import sessionm 阅读全文
摘要:
#!/usr/bin/env python import sqlalchemy from sqlalchemy import create_engine from sqlalchemy.ext.declarative import declarative_base from sqlalchemy import Column,Integer,String from sqlalchemy.orm ... 阅读全文