摘要:
The class hierarchy for built-in exceptions is: 阅读全文
摘要:
[](https://packaging.python.org/en/latest/tutorials/packaging-projects/) 阅读全文
摘要:
source coding #!/usr/bin/env python # coding=utf-8 import pymysql def connect_db(): print('连接到mysql服务器...') db = pymysql.connect(host="localhost", use 阅读全文