feat(projects): 新增FastAPI项目相关源码

projects/web-fastapi/alchemy/sess.py

@@ -0,0 +1,38 @@
+from sqlalchemy import Column, Integer, String, create_engine
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import sessionmaker
+
+Base = declarative_base()
+
+engine = create_engine("sqlite://", echo=True, future=True)
+Session = sessionmaker(bind=engine)
+
+
+class User(Base):
+    __tablename__ = "users"
+    id = Column(Integer, primary_key=True)
+    name = Column(String(10), nullable=False)
+    email = Column(String(20))
+    telephone = Column(String(11))
+
+    def __repr__(self):
+        return f"<User(name='{self.name}', email='{self.email}', telephone='{self.telephone}')>"
+
+
+def main():
+    Base.metadata.create_all(engine)
+    with Session() as db:
+        user = User(
+            name="100gle", email="100gle@example.com", telephone="001-1234-5678"
+        )
+
+        db.add(user)
+        db.commit()
+
+        data = db.query(User).all()
+        for row in data:
+            print(row)
+
+
+if __name__ == '__main__':
+    main()