摘要：1 # import pymysql 2 # 3 # # 建立连接 4 # conn = pymysql.connect(host='192.168.31.27', port=3306, user='root', password='123', database='db2', charset='ut 阅读全文

摘要：import random checkcode = '' for i in range(4): current = random.randrange(0, 4) if current != i: temp = chr(random.randint(65, 90)) else: temp = random.randint(0, 9) ... 阅读全文

摘要：下载第三方库pip install —index https://pypi.mirrors.ustc.edu.cn/simple/ “+第三方库” pycharm settings-Project:-Python Interpreter-+-Manage Repositories https://p 阅读全文