feat(session): 项目基本完成

- 新增热加载模块funcs.py
- 新增文件加载模块files.py
- 新增了日志打印
- 新增其他功能

commons/databases.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+# coding=utf-8
+
+"""
+@author: CNWei
+@Software: PyCharm
+@contact: t6i888@163.com
+@file: databases
+@date: 2025/2/16 20:53
+@desc: 
+"""
+import logging
+import pymysql as MySQLdb
+
+from commons import settings
+
+logger = logging.getLogger(__name__)
+
+
+class DBServer:
+    def __init__(self, host, port, user, password, database):
+        self.db = MySQLdb.connect(host=host, port=port, user=user, password=password, database=database)
+        self.cursor = self.db.cursor()  # 创建新的会话
+
+    def execute_sql(self, sql):
+        logger.info(f"执行sql：{sql}")
+        self.cursor.execute(sql)  # 执行sql命令
+
+        # res = self.cursor.fetchone() # 返回单行结果
+        res = self.cursor.fetchall()  # 返回多行结果
+        return res
+
+
+db = DBServer(
+    host=settings.db_host,  # ip
+    port=3306,  # 端口
+    user='root',  # 用户名
+    password='mysql_hNahSe',  # 密码
+    database='answer'  # 库名
+)
+
+if __name__ == '__main__':
+    ...
+    res = db.execute_sql('select username from user where id=1;')
+    print(res[0])