select id from tb_customer where tel = #{tel} INSERT INTO tb_customer SET `name` = #{name}, sex = #{sex}, tel = #{tel}, photo = #{photo}, create_time = NOW() select name,sex,tel,photo,DATE_FORMAT(create_time,'%Y-%m-%d') as createTime from tb_customer where id = #{id} update tb_customer set name=#{name},tel=#{tel},sex=#{sex},photo=#{photo} where id=#{id} SELECT name, sex, tel, photo, DATE_FORMAT(create_time, '%Y-%m-%d') AS createTime FROM tb_customer WHERE id = #{id}