insert into tb_visit( visitor, phone, sex, idcard, student_id, visit_time, leave_time, remark )values( #{visitor}, #{phone}, #{sex}, #{idcard}, #{studentId}, #{visitTime}, #{leaveTime}, #{remark} ) delete from tb_visit where id = #{id} update tb_visit set visitor=#{visitor}, phone=#{phone}, sex=#{sex}, idcard=#{idcard}, student_id=#{studentId}, visit_time=#{visitTime}, leave_time=#{leaveTime}, remark=#{remark} where id = #{id} update tb_visit visitor = #{visitor}, phone = #{phone}, sex = #{sex}, idcard = #{idcard}, student_id = #{studentId}, visit_time = #{visitTime}, leave_time = #{leaveTime}, remark = #{remark}, where id = #{id} and id = #{id} and visitor = #{visitor} and phone = #{phone} and sex = #{sex} and idcard = #{idcard} and student_id = #{studentId} and remark = #{remark}