Python3编写的股票爬取程序，界面用QT编写，爬取数据存放在MySQL数据库，也可存在本机的txt文档。程序可以分析股票的最大成交额最大成交量，按名称或股票代码查找股票。(Python3 prepared by the stock crawling program, interface written with QT, crawling data stored in the MySQL database, but also the existence of the local TXT doc