A backend-first Library Management System API built with FastAPI and SQLAlchemy, designed with real-world backend practices in mind: layered architecture, authentication, role-based access control, ...

comment on column sys_dept.parent_id is '父部门id'; comment on column sys_dept.ancestors is '祖级列表'; comment on column sys_dept.dept_name is '部门名称'; comment on column sys_dept.order_num is '显示顺序'; comment ...