ID, label select from t_post where ID = #{id,jdbcType=INTEGER} delete from t_post where ID = #{id,jdbcType=INTEGER} SELECT LAST_INSERT_ID() insert into t_post (ID, label) values (#{id,jdbcType=INTEGER}, #{label,jdbcType=VARCHAR}) SELECT LAST_INSERT_ID() insert into t_post ID, label, #{id,jdbcType=INTEGER}, #{label,jdbcType=VARCHAR}, update t_post label = #{label,jdbcType=VARCHAR}, where ID = #{id,jdbcType=INTEGER} update t_post set label = #{label,jdbcType=VARCHAR} where ID = #{id,jdbcType=INTEGER}