Mybatis实现修改功能

 

    <!--修改一个代办信息-->
    <update id="updateBoard" parameterType="com.spring.board.entity.Board">
        update web_board
        <set>
            <if test="title != null">title=#{title},</if>
            <if test="content != null">content=#{content},</if>
            <if test="remark != null">remark=#{remark}</if>
        </set>
        where id = #{id,jdbcType=INTEGER}
    </update>