统一 pg 数据库的连接

postgresql_info.py

@@ -0,0 +1,15 @@
+from dotenv import load_dotenv
+import os
+
+load_dotenv()
+
+pg_name = os.getenv("DB_NAME") or "TJWater"
+pg_host = os.getenv("DB_HOST") or "127.0.0.1"
+pg_user = os.getenv("DB_USER") or "tjwater"
+pg_password = os.getenv("DB_PASSWORD") or "Tjwater@123456"
+
+
+def get_pgconn_string(
+    db_name=pg_name, db_host=pg_host, db_user=pg_user, db_password=pg_password
+):
+    return f"dbname={db_name} host={db_host} user={db_user} password={db_password}"