ADD file via upload

lianjie.py

@@ -0,0 +1,24 @@
+import mysql.connector
+from mysql.connector import Error
+import configparser
+
+def load_config():
+    config = configparser.ConfigParser()
+    config.read('config.ini')
+    return config
+
+def connect_to_database():
+    try:
+        config = load_config()
+        connection = mysql.connector.connect(
+            host=config['database']['host'],
+            database=config['database']['database'],
+            user=config['database']['user'],
+            password=config['database']['password']
+        )
+        if connection.is_connected():
+            print("Connected to the database successfully!")
+        return connection
+    except Error as e:
+        print(f"Error while connecting to database: {e}")
+        return None