function getLocalIP() {
return new Promise(function(resolve, reject) {
// NOTE: window.RTCPeerConnection is "not a constructor" in FF22/23
var RTCPeerConnection = /*window.RTCPeerConnection ||*/ window.webkitRTCPeerConnection || window.mozRTCPeerConnection;
if (!RTCPeerConnection) {
reject('浏览器不支持此api');
}
var rtc = new RTCPeerConnection({iceServers:[]});
var addrs = {};
addrs["0.0.0.0"] = false;
function grepSDP(sdp) {
var hosts = [];
var finalIP = '';
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') {
finalIP = addr;
}
} else if (~line.indexOf("c=")) { // http://tools.ietf.org/html/rfc4566#section-5.7
var parts = line.split(' '),
addr = parts[2];
finalIP = addr;
}
});
return finalIP;
}
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) {
var addr = grepSDP("a="+evt.candidate.candidate);
resolve(addr);
}
};
rtc.createOffer(function (offerDesc) {
rtc.setLocalDescription(offerDesc);
}, function (e) { console.warn("offer failed", e); });
});
}
getLocalIP().then((ipAddr) => {
console.log(ipAddr); // 192.168.0.122 如果是电脑浏览器打开会显示类似080ce4d6-82f7-4548-b52a-b68a8873aec4.local
});
网友回复
DLNA与UPnP的区别和不同?
苏超自建抢票app,通过先预约再抽签化解高并发抢票?
python如何让给电脑在局域网中伪装成电视接收手机的投屏图片视频播放?
如何结合python+js如何自己的视频编码与加密播放直播?
python如何在电脑上通过局域网将本地视频或m3u8视频投屏电视播放?
腾讯视频爱奇艺优酷vip电影电视剧视频如何通过python绕过vip收费直接观看?
有没有可免费观看全球电视台直播m3u8地址url的合集?
有没有实现观影自由的免vip影视苹果 CMS V10 API的可用url?
python如何实时检测电脑usb插入检测报警?
如何判断真人操作的鼠标移动直线轨迹与机器操作的轨迹?