''' 随机发送n位数字+字母的验证码 ''' import random def get_verified(length): code = '' for i in range(length): num = str(random.randint(0, 9)) ALP = chr(random.randint(65, 90)) alp = chr(random.randint(97, 122)) res = random.choice((num, ALP, alp)) code += res re
本来先打算上个图来说明一下这条线的,可是我的画图工具还没有安装好,我先把跟TestClient.java相关的几个文件代码贴上来,但是由于代码行数还是不少的,所以请大家阅读文章的时候先不要展开代码,等读到有关代码解释的时候再返回去查看.代码源自FastDFS老大鱼大大的. TestClient.java: /** * Copyright (C) 2008 Happy Fish / YuQing * * FastDFS Java Client may be copied only under th
mysql> help For information about MySQL products and services, visit: http://www.mysql.com/ For developer information, including the MySQL Reference Manual, visit: http://dev.mysql.com/ To buy MySQL Enterprise support, training, or other products, vi
sql server 提取汉字/数字/字母的方法 --提取数字 IF OBJECT_ID('DBO.GET_NUMBER2') IS NOT NULL DROP FUNCTION DBO.GET_NUMBER2 GO )) ) AS BEGIN BEGIN ,'') END RETURN @S END GO --测试 PRINT DBO.GET_NUMBER('呵呵ABC123ABC') GO ---------------------------------------------------