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之前看了几种方法 ，都是引入腾讯，新浪，搜狐等的三方js文件来查询IP地址，但是我自己测试的时候IP地址不准确，所以就找了找，发现了这个方法，准确的获取到了IP地址和cmd的ipconfig获取到的IP一致，所以在这里保存和分享一下，以后在遇到这个需要不再懵逼

1.内网IP

注意：有的浏览器获取到的是IPv4地址，有的是IPv6地址

<template><section class="p-10"><h1>{{ ip }}</h1></section>
</template>
<script>export default {data() {return {ip: ''};},methods: {getUserIP(onNewIP) {let MyPeerConnection = window.RTCPeerConnection || window.mozRTCPeerConnection || window.webkitRTCPeerConnection;let pc = new MyPeerConnection({iceServers: []});let noop = () => {};let localIPs = {};let ipRegex = /([0-9]{1,3}(\.[0-9]{1,3}){3}|[a-f0-9]{1,4}(:[a-f0-9]{1,4}){7})/g;let iterateIP = (ip) => {if (!localIPs[ip]) onNewIP(ip);localIPs[ip] = true;};pc.createDataChannel('');pc.createOffer().then((sdp) => {sdp.sdp.split('\n').forEach(function (line) {if (line.indexOf('candidate') < 0) return;line.match(ipRegex).forEach(iterateIP);});pc.setLocalDescription(sdp, noop, noop);}).catch((reason) => {});pc.onicecandidate = (ice) => {if (!ice || !ice.candidate || !ice.candidate.candidate || !ice.candidate.candidate.match(ipRegex)) return;ice.candidate.candidate.match(ipRegex).forEach(iterateIP);};}},mounted() {this.getUserIP((ip) => {this.ip = ip;});}}
</script><style lang="scss">
</style>

外网ip

<script src="http://pv.sohu.com/cityjson?ie=utf-8"></script><script type="text/javascript">console.log(returnCitySN["cip"]);</script>