PAS/target/classes/mapper/ProductMapper.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="cn.cslg.pas.mapper.ProductMapper">
    <!--namespace根据自己需要创建的的mapper的路径和名称填写-->
    <select id="getProduct" resultType="cn.cslg.pas.common.vo.business.ProductVO">
        select product.id as id ,product.name as name , product.license_rate as licenseRate
        ,product.category_id as categoryId,product.show_type as showType
        ,product.description as description,
        product.create_id as createId, product.tenant_id as tenantId,
        product.market_time as
        marketTime,product.create_time as createTime,
        product.company_name,product.description as description
        from
        product as product left join product_category as category
        on category.id = product.category_id
        <if test="sql1!=''">
            where ${sql1}
        </if>
        ${sql2} ${sql3}
    </select>

    <select id="getProductCount" resultType="java.lang.Long">
        select count(*)
        from product as product left join product_category as category
        on category.id = product.category_id
        <if test="sql!=''">

            where ${sql}
        </if>

    </select>

    <select id="getProductOrCategoryNameOrder" resultType="cn.cslg.pas.common.vo.ProductOrCategoryVO">
        select *
        from (select id as id, name as name, 2 as type
        from product
        union all
        select id as id, name as name, 3 as type
        from product_category) as c
        order by name
        <if test="orderType==0">
            asc
        </if>
        <if test="orderType!=0">
            desc
        </if>
    </select>
</mapper>