Node.js获取本机IP

function getIPAdress() {

    var interfaces = require('os').networkInterfaces();　　

    for (var devName in interfaces) {　　　　

        var iface = interfaces[devName];　　　　　　

        for (var i = 0; i < iface.length; i++) {

            var alias = iface[i];

            if (alias.family === 'IPv4' && alias.address !== '127.0.0.1' && !alias.internal) {

                return alias.address;

            }

        }　　

    }

}