abstract：插入值 INSERT INTO `userinfo`(`name`, `sex`, `age`, `email`, `password`, `status`, `create_time`) VALUES ('小龙女','女','30','123
插入值
INSERT INTO `userinfo`(`name`, `sex`, `age`, `email`, `password`, `status`, `create_time`) VALUES ('小龙女','女','30','12345@qq.com',sha1(123456),'1','1557043610')删除值 DELETE FROM `userinfo` WHERE id = 1
更新值 UPDATE `userinfo` set email = '0000@sina.cn' where id = 2
查询操作 SELECT name,sex,age,email,status FROM `userinfo` WHERE 1
Correcting teacher：查无此人Correction time：2019-05-06 09:25:31
Teacher's summary：完成的不错，数据库操作就是增删查改，关键词记住，就很简单。继续加油。
