Files
yu-zhi-ran/platform/backend/app/database.py
T
lt 2bd3c83cf5 feat: 宇之然平台 v2.0 - 完整重构版
核心功能:
- 新增 JWT 认证系统,支持管理员登录/登出
- 前后端合并为单一 FastAPI 应用 (端口 8001)
- 系统概览页:6 个统计卡片,点击跳转筛选
- 选题管理页:批量操作 (刷新/创作/优化),时间列展示
- 系统日志页:整合日志查看功能
- 用户管理页:管理员可创建/删除用户
- 移动端适配:响应式布局,底部导航栏
- 标题居中显示

技术改进:
- 添加 generated_at 字段支持创作时间记录
- 状态更新时自动同步 updated_at
- 所有 API 路由添加 JWT 认证保护
- 前端 authFetch 封装自动附加 Token
- 升级 FastAPI 0.136, Pydantic 2.13 等依赖

修复:
- 修复 API 500 错误 (数据库列缺失)
- 修复 formatRelativeTime 未定义错误
- 修复登录 Token 存储和自动附加逻辑
2026-04-27 10:01:33 +08:00

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from sqlalchemy import create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
import os
from pathlib import Path
# 计算项目根目录(backend/app/database.py -> yu-zhi-ran
# __file__: platform/backend/app/database.py
# parents[0]=app, [1]=backend, [2]=platform, [3]=yu-zhi-ran
PROJECT_ROOT = Path(__file__).resolve().parent.parent.parent.parent
DATA_DIR = os.getenv('DATA_DIR', str(PROJECT_ROOT / 'data'))
os.makedirs(DATA_DIR, exist_ok=True)
DB_PATH = os.path.join(DATA_DIR, 'yzr.db')
SQLALCHEMY_DATABASE_URL = f"sqlite:///{DB_PATH}"
engine = create_engine(SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False})
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
Base = declarative_base()
def init_db():
Base.metadata.create_all(bind=engine)
def get_db():
db = SessionLocal()
try:
yield db
finally:
db.close()