fix(sip): 修复产品类型查询功能

- 将类型查询条件从直接等于改为使用 find_in_set 函数
- 这样可以支持多对多的类型查询，提高查询灵活性和准确性

ruoyi-sip/src/main/resources/mapper/system/ProductInfoMapper.xml

@@ -30,7 +30,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             <if test="productCode != null  and productCode != ''"> and product_code = #{productCode}</if>
             <if test="productName != null  and productName != ''"> and product_name like concat('%', #{productName}, '%')</if>
             <if test="model != null  and model != ''"> and model = #{model}</if>
-            <if test="type != null  and type != ''"> and type = #{type}</if>
+            <if test="type != null  and type != ''"> and find_in_set(type , #{type})</if>
         </where>
     </select>