StudentMapper.xml
INSERT INTO t_student(name,age,score) VALUES (#{name},#{age},#{score})
select @@identity
delete from t_student where id=#{id}
update t_student set name=#{name},age=#{age},score=#{score} where id=#{id}
select id,name,age,score from t_student
select id,name,age,score from t_student where id=#{id}
select id,name,age,score from t_student where name like '%${value}%'
select id,name,age,score,password from t_student where id=#{id}