获取网址 URL 的一级域名 http://detail.tmall.com/item.htm?spm=a230r.1.10.44.1xpDSH&id=15453106243&_u=f4ve1uq1092 ->> tmall.com @param url @return
(String url)
source not stored for this graph (policy: none)
nothing calls this directly
no outgoing calls
no test coverage detected