mybatis mapper.xml 写关联查询 运用 resultmap 结果集中 用 association 关联其他表 并且 用 association 的 select 查询值 报错 java.lang.IllegalArgumentException: Mapped Statements collection does not contain value for mybatis.map

用mybaits 写一个关联查询 查询商品表关联商品规格表，并查询规格表中的数量、价格等，为了sql重用性，利用 association 节点 查询 结果并赋值报错

商品表的mapper文件为GooodsMapper.xml 规格表的mapper 文件为GoodsSpecificationsMapper.xml

java.lang.IllegalArgumentException: Mapped Statements collection does not contain value for mybatis.map

 

GooodsMapper.xml的内容如下

<?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.chengpin.mapper.GoodsMapper">
    <insert id="save" parameterType="Goods">
        insert into t_goods 
        (no,category,title,selling_point,cover_picture,unit_price,freight_template,shop_category,
        service_commitment,return_commitment,guarantee_service,
        provide_invoice,is_shelf,shelf_time,state,purchasing_place,release_time,publisher) 
        values 
        (GOODS_SEQUENCE.nextval,#{category},#{title},#{selling_point},#{cover_picture},#{unit_price},
        #{freight_template},#{shop_category},#{service_commitment},
        #{return_commitment},#{guarantee_service},#{provide_invoice},#{is_shelf},#{shelf_time},#{state},#{purchasing_place},
        #{release_time},#{publisher})
        <selectKey keyProperty="no" order="AFTER" resultType="java.lang.String">
            select GOODS_SEQUENCE.CURRVAL from DUAL
        </selectKey>
    </insert>
    
    <select id="selectGoodsInfoTotalSize" parameterType="Map" resultType="Integer">
        select
            count(*)
        from
            T_GOODS
        WHERE
            category = #{categoryno}
    </select>
    
    <select id="selectGoodsInfo" parameterType="Map" resultType="Map">
        select
            goodsno,goodstitle,goodsprice,goodsimgurl
        from (
            select
            g.cover_picture goodsimgurl,
            g.no goodsno,
            g.title goodstitle, 
            g.unit_price goodsprice, 
            rownum num
            from T_GOODS g
            where g.category = #{categoryno}
            and rownum &lt;= #{endPage}
            order by
                <if test="@com.chengpin.core.util.StringUtils@isNotEmpty(priceUp)">
                g.unit_price desc,
                </if>
                <if test="@com.chengpin.core.util.StringUtils@isNotEmpty(priceDown)">
                g.unit_price asc,
                </if>
                <if test="@com.chengpin.core.util.StringUtils@isNotEmpty(last)">
                g.release_time desc,
                </if>
                g.no desc
        )
        where
              num &gt;= #{startPage}
    </select>
    

    <!-- 根据用户编号和商品状态查询商品信息 -->
    <select id="selectGoodsByState" resultType="Goods">
        select * from t_goods where publisher=#{user_no} and state=#{state}
    </select>
    <select id="selectGoodsDetailsByGoodsNo" parameterType="Map" resultType="Map">
        select
          g.no "no",
          g.selling_point "sellpoint",
          g.title "title",
          g.unit_price "original_price",
          gs.price "present_price",
          gs.quantity "quantity",
          tgi.content "goodscontent"
        from
            t_Goods g
        left join
             T_GOODS_SPECIFICATIONS gs
        on g.no = gs.goods_no
        left join
             T_GOODS_INTRODUCTION tgi
        on tgi.goods_no = g.no
        where g.no = #{goodsno}
        <if test="@com.chengpin.core.util.StringUtils@isNotEmpty(goodscolor)">
        and gs.color_value = #{goodscolor}
        </if>
        and rownum = 1
    </select>
    
    <select id="selectGoodsInfoAndTotalPriceByUserNoState" resultMap="goodsInfoAndTotalPrice">
        select g.no goods_no,g.title,g.release_time,g.shelf_time,g.off_shelf,g.cover_picture
        from t_goods g where g.publisher = #{user_no} and g.state=#{state} 
        group by g.no,g.title,g.release_time,g.shelf_time,g.off_shelf,g.cover_picture 
        order by g.release_time desc
    </select>
    
    <resultMap type="Goods" id="goodsInfoAndTotalPrice">
        <id property="no" column="no" />
        <result  property="title" column="title"/>
        <result  property="release_time" column="release_time"/>
        <result  property="shelf_time" column="shelf_time"/>
        <result  property="off_shelf" column="off_shelf"/>
        <association property="total" column="goods_no" javaType="Integer" 
        select="mybatis.mapper.GoodsSpecificationsMapper.selectGoodsTotalByGoodsNo"/>
        <association property="lowest_price" column="goods_no" javaType="Double" 
        select="com.chengpin.mapper.GoodsSpecificationsMapper.selectLowestPrice"/>
    </resultMap>
</mapper>

GoodsSpecificationsMapper.xml 内容如下

<?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.chengpin.mapper.GoodsSpecificationsMapper">
    <!-- 保存商品规格方法 -->
    <insert id="save">
        insert into t_goods_specifications
        (no,goods_no,color_value,size_value,quantity,price)
        values
        (goods_specifications_sequence.nextval,#{goods_no},
        #{specifications.color_value},#{specifications.size_value},#{specifications.quantity},#{specifications.price})
    </insert>
    
    <!-- 根据商品编号查询商品总数 -->
    <select id="selectGoodsTotalByGoodsNo" parameterType="String" resultType="Integer">
        select sum(quantity) total from t_goods_specifications where goods_no = #{goods_no}
    </select>
    
    <!-- 根据商品编号查询商品最低价 -->
    <select id="selectLowestPrice" parameterType="String" resultType="Double">
        select min(price) from t_goods_specifications where goods_no = #{goods_no}
    </select>
</mapper>

最后发现错误来源于此

        <association property="total" column="goods_no" javaType="Integer" 
        select="mybatis.mapper.GoodsSpecificationsMapper.selectGoodsTotalByGoodsNo"/>

原来是我吧select 中 对GoodsSpecificationsMapper.xml 文件的 select 查询调用的 空间写错了

我写的是src 路径 并不是 写的 mapper 的namespace 空间位置 把值改如下 便正确了

        <association property="total" column="goods_no" javaType="Integer" 
        select="com.chengpin.mapper.GoodsSpecificationsMapper.selectGoodsTotalByGoodsNo"/>