简易人事管理系统

use demo; create table usertable(ID bigint AUTO_INCREMENT PRIMARY KEY, username varchar(50),password varchar(50), email varchar(50)); insert into usertable values('1001','JSP', 'JSP', 'JSP@hnust.cn'); insert into usertable values('1002','Oracle', 'Oracle','Oracle@hnust.cn'); insert into usertable values('1003','J2EE', 'J2EE', 'J2EE@hnust.cn'); insert into usertable values('1006','李四', '123', 'zs@hnust.cn');