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feat(数据库配置): 添加PostgreSQL支持并更新相关配置

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- 在.env.dev和.env.prod中添加PostgreSQL配置项
- 更新setting.py以支持PostgreSQL数据库连接
- 在DB_URI和DATABASES_URI方法中添加PostgreSQL处理逻辑
- 补充constant.py中的常量注释
This commit is contained in:
zhangtao
2025-08-26 16:15:48 +08:00
parent 86a98fd2c8
commit 085a860a45
4 changed files with 49 additions and 5 deletions
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backend/app/config/setting.py
+22 -5
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@@ -109,6 +109,13 @@ class Settings(BaseSettings):
MYSQL_PORT: int
MYSQL_DB_NAME: str
# PostgreSQL数据库连接
POSTGRESQL_USER: str
POSTGRESQL_PASSWORD: str
POSTGRESQL_HOST: str
POSTGRESQL_PORT: int
POSTGRESQL_DB_NAME: str
# ================================================= #
# ******************** MongoDB配置 ******************* #
# ================================================= #
@@ -255,30 +262,40 @@ class Settings(BaseSettings):
@property
def DB_URI(self) -> str:
"""获取数据库连接"""
supported_db_drivers = ("sqlite", "mysql")
supported_db_drivers = ("sqlite", "mysql", "postgresql")
if settings.DB_DRIVER not in supported_db_drivers:
raise ValueError(f"数据库驱动不支持: {settings.DB_DRIVER}, 请选择 {supported_db_drivers}")
if settings.DB_DRIVER == "mysql":
MYSQL_URI: MySQLDsn = f"mysql+asyncmy://{settings.MYSQL_USER}:{settings.MYSQL_PASSWORD}@{settings.MYSQL_HOST}:{settings.MYSQL_PORT}/{settings.MYSQL_DB_NAME}?charset=utf8mb4"
return MYSQL_URI
else:
elif settings.DB_DRIVER == "sqlite":
SQLITE_URI: str = f"sqlite+aiosqlite:///{settings.BASE_DIR.joinpath(settings.SQLITE_DB_NAME)}?characterEncoding=UTF-8"
return SQLITE_URI
elif settings.DB_DRIVER == "postgresql":
POSRGRES_URI: PostgresDsn = f"postgresql+asyncpg://{settings.POSTGRESQL_USER}:{settings.POSTGRESQL_PASSWORD}@{settings.POSTGRESQL_HOST}:{settings.POSTGRESQL_PORT}/{settings.POSTGRESQL_DB_NAME}"
return POSRGRES_URI
else:
raise ValueError(f"数据库驱动不支持: {settings.DB_DRIVER}, 请选择 {supported_db_drivers}")
@property
def DATABASES_URI(self) -> str:
"""获取数据库连接"""
supported_db_drivers = ("sqlite", "mysql")
supported_db_drivers = ("sqlite", "mysql", "postgresql")
if settings.DB_DRIVER not in supported_db_drivers:
raise ValueError(f"数据库驱动不支持: {settings.DB_DRIVER}, 请选择 {supported_db_drivers}")
if settings.DB_DRIVER == "mysql":
MYSQL_URI: MySQLDsn = f"mysql+pymysql://{settings.MYSQL_USER}:{settings.MYSQL_PASSWORD}@{settings.MYSQL_HOST}:{settings.MYSQL_PORT}/{settings.MYSQL_DB_NAME}?charset=utf8mb4"
return MYSQL_URI
else:
elif settings.DB_DRIVER == "postgresql":
POSRGRES_URI: PostgresDsn = f"postgresql://{settings.POSTGRESQL_USER}:{settings.POSTGRESQL_PASSWORD}@{settings.POSTGRESQL_HOST}:{settings.POSTGRESQL_PORT}/{settings.POSTGRESQL_DB_NAME}"
return POSRGRES_URI
elif settings.DB_DRIVER == "sqlite":
SQLITE_URI: str = f"sqlite:///{settings.BASE_DIR.joinpath(settings.SQLITE_DB_NAME)}?characterEncoding=UTF-8"
return SQLITE_URI
else:
raise ValueError(f"数据库驱动不支持: {settings.DB_DRIVER}, 请选择 {supported_db_drivers}")