fileadmin
.........\product
.........\.......\case
.........\.......\....\______5.png
.........\.......\....\______3.png
.........\.......\....\______7.png
.........\.......\....\______1.png
.........\.......\....\______2.png
.........\.......\....\______8.png
.........\.......\....\______10.png
.........\.......\....\______9.png
.........\.......\....\______6.png
.........\.......\....\______4.png
.........\user_upload
.........\...........\涓