insert into tb_student( stu_no, name, idcard, grade_id, sex, phone, password, clazz_id )values( #{stuNo}, #{name}, #{idcard}, #{gradeId}, #{sex}, #{phone}, '123456', #{clazzId} ) delete from tb_student where id = #{id} update tb_student set stu_no=#{stuNo}, name=#{name}, idcard=#{idcard}, grade_id=#{gradeId}, sex=#{sex}, phone=#{phone}, password=#{password}, clazz_id=#{clazzId} where id = #{id} update tb_student stu_no = #{stuNo}, name = #{name}, idcard = #{idcard}, grade_id = #{gradeId}, sex = #{sex}, phone = #{phone}, password = #{password}, clazz_id = #{clazzId}, where id = #{id} and id = #{id} and stu_no = #{stuNo} and name like concat('%',#{name},'%') and idcard = #{idcard} and grade_id = #{gradeId} and sex = #{sex} and phone = #{phone} and password = #{password} and clazz_id = #{clazzId}