mili_admin/src/main/resources/mybatis/mapper/admin/PhotoMapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.ygj.yuemum.dao.admin.PhotoDao" >

    <resultMap id="BaseResultMap" type="com.ygj.yuemum.domain.admin.Photo" >
        <id column="id" property="id" jdbcType="INTEGER" />
        <result column="photo_code" property="photo_code" jdbcType="INTEGER" />
        <result column="photo_title" property="photo_title" jdbcType="VARCHAR" />
    </resultMap>

    <sql id="Base_Column_List" >
        id, photo_code, photo_title
    </sql>

    <!-- 得到所有的照片信息 -->
    <select id="getAll" resultMap="BaseResultMap" >
        select
        <include refid="Base_Column_List" />
        from photo
    </select>

    <!-- 根据id查找某个照片信息 -->
    <select id="selectByPrimaryKey" resultMap="BaseResultMap" parameterType="java.lang.Integer" >
        select
        <include refid="Base_Column_List" />
        from photo
        where photo_code = #{photo_code,jdbcType=INTEGER}
    </select>
    <!-- 根据id删除某个照片信息 -->
    <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer" >
        delete from photo
        where id = #{id,jdbcType=INTEGER}
    </delete>

    <!-- 插入一条照片信息 -->
    <insert id="insertSelective" parameterType="com.ygj.yuemum.domain.admin.Photo" >
        insert into photo
        <trim prefix="(" suffix=")" suffixOverrides="," >
            <if test="photo_code != null" >
                photo_code,
            </if>
            <if test="photo_title != null" >
                photo_title,
            </if>
        </trim>
        <trim prefix="values (" suffix=")" suffixOverrides="," >
            <if test="photo_code != null" >
                #{photo_code,jdbcType=INTEGER},
            </if>
            <if test="photo_title != null" >
                #{photo_title,jdbcType=VARCHAR}
            </if>
        </trim>
    </insert>

    <!-- 根据id更新一条照片信息 -->
    <update id="updateByPrimaryKeySelective" parameterType="com.ygj.yuemum.domain.admin.Photo" >
        update photo
        <set >
            <if test="photo_code != null" >
                photo_code = #{photo_code,jdbcType=INTEGER},
            </if>
            <if test="photo_title != null" >
                photo_title = #{photo_title,jdbcType=VARCHAR}
            </if>
        </set>
        where id = #{id,jdbcType=INTEGER}
    </update>

</mapper>