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- 实现个人资料更新和密码修改- 配置数据库连接和 Alembic 迁移 - 添加健康检查和系统统计接口 - 实现自定义错误处理和响应格式 - 配置 FastAPI 应用和中间件
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29
fastapi-backend/app/db/session.py
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29
fastapi-backend/app/db/session.py
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from sqlalchemy import create_engine
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy.orm import sessionmaker
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from app.core.config import settings
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# 创建数据库引擎
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engine = create_engine(
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settings.SQLALCHEMY_DATABASE_URI,
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pool_pre_ping=True,
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pool_recycle=3600,
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pool_size=20,
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max_overflow=0,
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echo=settings.DEBUG
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)
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# 创建会话工厂
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SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
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# 创建基础模型类
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Base = declarative_base()
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# 获取数据库会话
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def get_db():
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db = SessionLocal()
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try:
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yield db
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finally:
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db.close()
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