淘宝和JD 类似的..多商家,,域名技术是怎么实现的

商家001.taobao.com
商家002.taobao.com
...
商家00n.taobao.com


商家001.jd.com
商家002.jd.com
...
商家00n.jd.com

shop.kongfz.com/商家001
shop.kongfz.com/商家002
...
shop.kongfz.com/商家00n
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