Eric_data的博客

从报错开始梳理用Python连接MySQL数据库【操作步骤】1.搭建环境：win7-64、python-3.7.3、MySQL2.下载库包：python -m pip install pymysql3.导入模块：import pymysql4.建立连接：db = pymysql.connect(“hostname”,“username”,“password”,“database”...

从报错开始梳理用Python连接Oracle数据库【操作步骤】1.搭建环境：win7-64、python-3.7.3、Oracle客户端：instantclient2.下载库包：python -m pip install cx_Oracle3.导入模块：import cx_Oracle4.建立连接：db = cx_Oracle.connect(“username”,“passwo...

面向对象——哪吒大战三太子""" Project Name : 哪吒大战三太子 Created On : 7/30/2019 00:30:00 @Author : Eric_Yan """class Role(): def __init__(self,role_name): self.__name = role_name self.lifevalue = 500 ...