dao.xml

<select id="selectItemkindByPolicyNo" resultMap="BaseResultMap" parameterType="java.util.List">
　　select *
　　from prpcitemkind kind
　　where kind.PolicyNo in
　　<foreach collection="list" item="item" index="index" open="(" separator="," close=")" >
　　#{item}
　　</foreach>
</select>