user id, user_name,password, phone,head_image,sex,school, exam_type,source,is_delete,create_time,update_time #{userName},#{password},#{phone},#{headImage},#{sex},#{school},#{examType}, #{source}, #{isDelete},now(),now() user_name = #{userName}, password =#{password}, phone =#{phone}, head_image =#{headImage}, sex =#{sex}, school =#{school}, exam_type = #{examType}, source = #{source}, is_delete = #{isDelete}, update_time =now() id = #{id} and user_name = #{userName} and password =#{password} and phone =#{phone} and head_image =#{headImage} and sex =#{sex} and school =#{school} and exam_type = #{examType} and source = #{source} and is_delete = #{isDelete} and create_time >= #{createTime} and #{updateTime} >= update_time insert into () value( ) UPDATE id = #{id} delete from where id = #{id}