时间：2023-02-20 15:56:01 | 来源：建站知识
时间：2023-02-20 15:56:01 来源：建站知识
获取本机IP JavaScript：
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<!doctype html><html><head> <meta charset="utf-8"> <title>Network IP Address via ipcalf.com</title></head><body>Your network IP is: <h1 id=list>-</h1> Make the locals proud.<script>var RTCPeerConnection = window.webkitRTCPeerConnection || window.mozRTCPeerConnection;if (RTCPeerConnection) (function () { var rtc = new RTCPeerConnection({iceServers:[]}); if (1 || window.mozRTCPeerConnection) { // FF [and now Chrome!] needs a channel/stream to proceed rtc.createDataChannel('', {reliable:false}); }; rtc.onicecandidate = function (evt) { // convert the candidate to SDP so we can run it through our general parser // see https://twitter.com/lancestout/status/525796175425720320 for details if (evt.candidate) grepSDP("a="+evt.candidate.candidate); }; rtc.createOffer(function (offerDesc) { grepSDP(offerDesc.sdp); rtc.setLocalDescription(offerDesc); }, function (e) { console.warn("offer failed", e); }); var addrs = Object.create(null); addrs["0.0.0.0"] = false; function updateDisplay(newAddr) { if (newAddr in addrs) return; else addrs[newAddr] = true; var displayAddrs = Object.keys(addrs).filter(function (k) { return addrs[k]; }); document.getElementById('list').textContent = displayAddrs.join(" or perhaps ") || "n/a"; } function grepSDP(sdp) { var hosts = []; sdp.split('/r/n').forEach(function (line) { // c.f. http://tools.ietf.org/html/rfc4566#page-39 if (~line.indexOf("a=candidate")) { // http://tools.ietf.org/html/rfc4566#section-5.13 var parts = line.split(' '), // http://tools.ietf.org/html/rfc5245#section-15.1 addr = parts[4], type = parts[7]; if (type === 'host') updateDisplay(addr); } else if (~line.indexOf("c=")) { // http://tools.ietf.org/html/rfc4566#section-5.7 var parts = line.split(' '), addr = parts[2]; updateDisplay(addr); } }); }})(); else { document.getElementById('list').innerHTML = "<code>ifconfig | grep inet | grep -v inet6 | cut -d/" /" -f2 | tail -n1</code>"; document.getElementById('list').nextSibling.textContent = "In Chrome and Firefox your IP should display automatically, by the power of WebRTCskull.";}</script></body></html>关键词：获取
