基本结构以及计算降雨栅格

app/config/database_config.py

@@ -0,0 +1,37 @@
+"""
+数据库配置
+"""
+from .base_config import BaseConfig
+
+
+class DatabaseConfig(BaseConfig):
+    """数据库配置类"""
+    
+    # PostgreSQL配置
+    DB_HOST: str = "localhost"
+    DB_PORT: int = 5432
+    DB_USER: str = "postgres"
+    DB_PASSWORD: str = "postgres"
+    DB_NAME: str = "test_db"
+    
+    # 连接池配置
+    DB_POOL_SIZE: int = 10
+    DB_MAX_OVERFLOW: int = 20
+    DB_POOL_TIMEOUT: int = 30
+    DB_POOL_RECYCLE: int = 3600
+    
+    @property
+    def DATABASE_URL(self) -> str:
+        """构建数据库连接URL"""
+        return (
+            f"postgresql://{self.DB_USER}:{self.DB_PASSWORD}"
+            f"@{self.DB_HOST}:{self.DB_PORT}/{self.DB_NAME}"
+        )
+    
+    @property
+    def ASYNC_DATABASE_URL(self) -> str:
+        """构建异步数据库连接URL"""
+        return (
+            f"postgresql+asyncpg://{self.DB_USER}:{self.DB_PASSWORD}"
+            f"@{self.DB_HOST}:{self.DB_PORT}/{self.DB_NAME}"
+        )