id, user_name, password, age select from user_t where id = #{id,jdbcType=INTEGER} delete from user_t where id = #{id,jdbcType=INTEGER} insert into user_t (id, user_name, password, age) values (#{id,jdbcType=INTEGER}, #{userName,jdbcType=VARCHAR}, #{password,jdbcType=VARCHAR}, #{age,jdbcType=INTEGER}) insert into user_t id, user_name, password, age, #{id,jdbcType=INTEGER}, #{userName,jdbcType=VARCHAR}, #{password,jdbcType=VARCHAR}, #{age,jdbcType=INTEGER}, update user_t user_name = #{userName,jdbcType=VARCHAR}, password = #{password,jdbcType=VARCHAR}, age = #{age,jdbcType=INTEGER}, where id = #{id,jdbcType=INTEGER} update user_t set user_name = #{userName,jdbcType=VARCHAR}, password = #{password,jdbcType=VARCHAR}, age = #{age,jdbcType=INTEGER} where id = #{id,jdbcType=INTEGER}