我有一个简单的Node.js程序在我的机器上运行,我想获得我的程序正在运行的PC的本地IP地址。我如何在Node.js中获得它?
当前回答
很多时候,我发现有多个内部和外部面向接口可用(例如:10.0.75.1,172.100.0.1,192.168.2.3),而我真正想要的是外部接口(172.100.0.1)。
如果其他人也有类似的担忧,这里还有一个关于这个问题的看法,希望能有所帮助……
const address = Object.keys(os.networkInterfaces())
// flatten interfaces to an array
.reduce((a, key) => [
...a,
...os.networkInterfaces()[key]
], [])
// non-internal ipv4 addresses only
.filter(iface => iface.family === 'IPv4' && !iface.internal)
// project ipv4 address as a 32-bit number (n)
.map(iface => ({...iface, n: (d => ((((((+d[0])*256)+(+d[1]))*256)+(+d[2]))*256)+(+d[3]))(iface.address.split('.'))}))
// set a hi-bit on (n) for reserved addresses so they will sort to the bottom
.map(iface => iface.address.startsWith('10.') || iface.address.startsWith('192.') ? {...iface, n: Math.pow(2,32) + iface.n} : iface)
// sort ascending on (n)
.sort((a, b) => a.n - b.n)
[0]||{}.address;
其他回答
使用npm ip模块:
var ip = require('ip');
console.log(ip.address());
> '192.168.0.117'
如果你喜欢简洁的东西,下面是使用Lodash:
Var OS = require(' OS '); Var _ = require('lodash'); var firstLocalIp = _(os.networkInterfaces()).values().flatten().where({family: 'IPv4', internal: false}).pluck('address').first(); console.log('第一个本地IPv4地址是' + firstLocalIp);
我写了一个Node.js模块,通过查看包含默认网关的网络接口来确定您的本地IP地址。
这比从os.networkInterfaces()或DNS查找主机名更可靠。它可以忽略VMware虚拟接口、环回接口和VPN接口,它可以在Windows、Linux、Mac OS和FreeBSD上工作。在底层,它执行route.exe或netstat并解析输出。
var localIpV4Address = require("local-ipv4-address");
localIpV4Address().then(function(ipAddress){
console.log("My IP address is " + ipAddress);
// My IP address is 10.4.4.137
});
下面是一个允许你获取本地IP地址的变体(在Mac和Windows上测试):
var
// Local IP address that we're trying to calculate
address
// Provides a few basic operating-system related utility functions (built-in)
,os = require('os')
// Network interfaces
,ifaces = os.networkInterfaces();
// Iterate over interfaces ...
for (var dev in ifaces) {
// ... and find the one that matches the criteria
var iface = ifaces[dev].filter(function(details) {
return details.family === 'IPv4' && details.internal === false;
});
if(iface.length > 0)
address = iface[0].address;
}
// Print the result
console.log(address); // 10.25.10.147
以下是jhurliman回答的多ip地址版本:
function getIPAddresses() {
var ipAddresses = [];
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) {
ipAddresses.push(alias.address);
}
}
}
return ipAddresses;
}