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js獲取客戶端本地ip

使用js獲取客戶端本地ip,不需要額外引入別的檔案

注:若IE瀏覽器不進行安全設定,IE瀏覽器會預設攔截ActiveX控制元件的使用,將不會返回客戶端的IP地址】

下邊的程式碼使用於通用瀏覽器,但是IE瀏覽器必須去設定ActiveX控制元件。

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>獲取客戶端IP</title>
</head>
<body>
	<div></div>
</body>
<script type="text/javascript">
function getUserIP(onNewIP) { //  onNewIp - your listener function for new IPs
      //compatibility for firefox and chrome
      var myPeerConnection = window.RTCPeerConnection || window.mozRTCPeerConnection || window.webkitRTCPeerConnection;
      var pc = new myPeerConnection({
         iceServers: []
     }),
     noop = function() {},
     localIPs = {},
     ipRegex = /([0-9]{1,3}(\.[0-9]{1,3}){3}|[a-f0-9]{1,4}(:[a-f0-9]{1,4}){7})/g,
     key;
 
     function iterateIP(ip) {
         if (!localIPs[ip]) onNewIP(ip);
         localIPs[ip] = true;
    }
 
      //create a bogus data channel
     pc.createDataChannel("");
 
     // create offer and set local description
     pc.createOffer().then(function(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(function(reason) {
         // An error occurred, so handle the failure to connect
     });
 
     //sten for candidate events
     pc.onicecandidate = function(ice) {
         if (!ice || !ice.candidate || !ice.candidate.candidate || !ice.candidate.candidate.match(ipRegex)) return;
         ice.candidate.candidate.match(ipRegex).forEach(iterateIP);
     };
}
 
// Usage
 
getUserIP(function(ip){
     alert("Got IP! :" + ip);
});

</script>
</html>

程式碼放上就能用。

參考連線:https://blog.csdn.net/yuang12345/article/details/79678677