三级分类的sql语句

SELECT ep1.*,ep2.name AS name1,ep3.name AS name2,ep4.name AS name3
FROM easybuy_product AS ep1,easybuy_product_category AS ep2,easybuy_product_category AS ep3,easybuy_product_category AS ep4
WHERE ep1.`categoryLevel1`=ep2.`id` AND ep1.`categoryLevel2`=ep3.`id` AND ep1.`categoryLevel3`=ep4.`id`

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原文地址：https://www.cnblogs.com/alexanderthegreat/p/7462934.html