'update

database.py

@@ -0,0 +1,14 @@
+from sqlalchemy import create_engine
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import sessionmaker
+
+# 使用 mysqlclient
+# SQLALCHEMY_DATABASE_URL = "mysql://username:password@localhost/weather_db"
+
+# 使用 PyMySQL
+SQLALCHEMY_DATABASE_URL = "mysql+pymysql://hackrobot:Xiao4669805@101.42.43.245:3400/hackrobot"
+
+engine = create_engine(SQLALCHEMY_DATABASE_URL, pool_pre_ping=True)
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+Base = declarative_base()