weixin_44338952的博客

原创 csv_comparator如何比较两个csv的差异

原创 IDEA启动web项目出现Configuration error

Idea启动web项目出现Configuration error错误 Using CATALINA_BASE: "C:\Users\15596\AppData\Local\JetBrains\IntelliJIdea2020.2\tomcat\鏈懡鍚峗SpringMVC-study_6" Using CATALINA_HOME: "D:\apache-tomcat-9.0.39" Using CATALINA_TMPDIR: "D:\apache-tomcat-9.0.39\temp" Using

原创 第一个mybatis程序

搭建环境 1，搭建数据库 DROP DATABASE IF EXISTS `mybatis`; DROP TABLE IF EXISTS `user`; CREATE TABLE `user` ( `id` int NOT NULL, `name` varchar(30), `pwd` varchar(30), PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8i; INSERT INTO `user` VALUES ('1',