html利用js獲取局域網內的本機IP
阿新 • • 發佈：2019-02-25
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<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf8"> <title>JavaScript獲取客戶端IP[利用新浪接口]</title> </head> <body> <script type="text/javascript"> function getIPs(callback){ var ip_dups = {}; var RTCPeerConnection= window.RTCPeerConnection || window.mozRTCPeerConnection || window.webkitRTCPeerConnection; var useWebKit = !!window.webkitRTCPeerConnection; if(!RTCPeerConnection){ var win = iframe.contentWindow; RTCPeerConnection = win.RTCPeerConnection|| win.mozRTCPeerConnection || win.webkitRTCPeerConnection; useWebKit = !!win.webkitRTCPeerConnection; } var mediaConstraints = { optional: [{RtpDataChannels: true}] }; var servers = {iceServers: [{urls: "stun:stun.services.mozilla.com"}]}; var pc= new RTCPeerConnection(servers, mediaConstraints); function handleCandidate(candidate){ var ip_regex = /([0-9]{1,3}(\.[0-9]{1,3}){3}|[a-f0-9]{1,4}(:[a-f0-9]{1,4}){7})/ var tt=ip_regex.exec(candidate); if(tt==null||tt.length<2){ return false; } var ip_addr = tt[1]; if(ip_dups[ip_addr] === undefined) callback(ip_addr); ip_dups[ip_addr] = true; } pc.onicecandidate = function(ice){ if(ice.candidate) handleCandidate(ice.candidate.candidate); }; pc.createDataChannel(""); pc.createOffer(function(result){ pc.setLocalDescription(result, function(){}, function(){}); }, function(){}); setTimeout(function(){ var lines = pc.localDescription.sdp.split(‘\n‘); lines.forEach(function(line){ if(line.indexOf(‘a=candidate:‘) === 0) handleCandidate(line); }); }, 1000); } getIPs(function(ip){ alert(ip); }); </script> </body> </html>
html利用js獲取局域網內的本機IP