PHP有parseUrl可以直接解析网址进行获取域名
js的可以用下面的代码也进行此操作!!!
function parseURL(url) { var a = document.createElement('a'); a.href = url; return { source: url, protocol: a.protocol.replace(':',''), host: a.hostname, port: a.port, query: a.search, params: (function(){ var ret = {}, seg = a.search.replace(/^?/,'').split('&'), len = seg.length, i = 0, s; for (;i<len;i++) { if (!seg[i]) { continue; } s = seg[i].split('='); ret[s[0]] = s[1]; } return ret; })(), file: (a.pathname.match(//([^/?#]+)$/i) || [,''])[1], hash: a.hash.replace('#',''), path: a.pathname.replace(/^([^/])/,'/$1'), relative: (a.href.match(/tps?://[^/]+(.+)/) || [,''])[1], segments: a.pathname.replace(/^//,'').split('/') }; }
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