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
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
其他回答
公认的答案是异步的。我想要一个同步版本:
var os = require('os');
var ifaces = os.networkInterfaces();
console.log(JSON.stringify(ifaces, null, 4));
for (var iface in ifaces) {
var iface = ifaces[iface];
for (var alias in iface) {
var alias = iface[alias];
console.log(JSON.stringify(alias, null, 4));
if ('IPv4' !== alias.family || alias.internal !== false) {
debug("skip over internal (i.e. 127.0.0.1) and non-IPv4 addresses");
continue;
}
console.log("Found IP address: " + alias.address);
return alias.address;
}
}
return false;
使用npm ip模块:
var ip = require('ip');
console.log(ip.address());
> '192.168.0.117'
你可以通过使用os模块找到你机器的任何IP地址-这是Node.js的本机:
var os = require('os');
var networkInterfaces = os.networkInterfaces();
console.log(networkInterfaces);
你所需要做的就是调用os.networkInterfaces(),你会得到一个容易管理的列表——比按联盟运行ifconfig要简单。
如果你不想安装依赖,并且正在运行*nix系统,你可以这样做:
hostname -I
你会得到主机的所有地址,你可以在node中使用这个字符串:
const exec = require('child_process').exec;
let cmd = "hostname -I";
exec(cmd, function(error, stdout, stderr)
{
console.log(stdout + error + stderr);
});
是一行代码,你不需要像'os'或'node-ip'这样可能会意外增加代码复杂性的其他库。
hostname -h
也是你的朋友;-)
希望能有所帮助!
这是我的变体,允许以可移植的方式获得IPv4和IPv6地址:
/**
* Collects information about the local IPv4/IPv6 addresses of
* every network interface on the local computer.
* Returns an object with the network interface name as the first-level key and
* "IPv4" or "IPv6" as the second-level key.
* For example you can use getLocalIPs().eth0.IPv6 to get the IPv6 address
* (as string) of eth0
*/
getLocalIPs = function () {
var addrInfo, ifaceDetails, _len;
var localIPInfo = {};
//Get the network interfaces
var networkInterfaces = require('os').networkInterfaces();
//Iterate over the network interfaces
for (var ifaceName in networkInterfaces) {
ifaceDetails = networkInterfaces[ifaceName];
//Iterate over all interface details
for (var _i = 0, _len = ifaceDetails.length; _i < _len; _i++) {
addrInfo = ifaceDetails[_i];
if (addrInfo.family === 'IPv4') {
//Extract the IPv4 address
if (!localIPInfo[ifaceName]) {
localIPInfo[ifaceName] = {};
}
localIPInfo[ifaceName].IPv4 = addrInfo.address;
} else if (addrInfo.family === 'IPv6') {
//Extract the IPv6 address
if (!localIPInfo[ifaceName]) {
localIPInfo[ifaceName] = {};
}
localIPInfo[ifaceName].IPv6 = addrInfo.address;
}
}
}
return localIPInfo;
};
下面是同一个函数的CoffeeScript版本:
getLocalIPs = () =>
###
Collects information about the local IPv4/IPv6 addresses of
every network interface on the local computer.
Returns an object with the network interface name as the first-level key and
"IPv4" or "IPv6" as the second-level key.
For example you can use getLocalIPs().eth0.IPv6 to get the IPv6 address
(as string) of eth0
###
networkInterfaces = require('os').networkInterfaces();
localIPInfo = {}
for ifaceName, ifaceDetails of networkInterfaces
for addrInfo in ifaceDetails
if addrInfo.family=='IPv4'
if !localIPInfo[ifaceName]
localIPInfo[ifaceName] = {}
localIPInfo[ifaceName].IPv4 = addrInfo.address
else if addrInfo.family=='IPv6'
if !localIPInfo[ifaceName]
localIPInfo[ifaceName] = {}
localIPInfo[ifaceName].IPv6 = addrInfo.address
return localIPInfo
console.log(getLocalIPs())的示例输出
{ lo: { IPv4: '127.0.0.1', IPv6: '::1' },
wlan0: { IPv4: '192.168.178.21', IPv6: 'fe80::aa1a:2eee:feba:1c39' },
tap0: { IPv4: '10.1.1.7', IPv6: 'fe80::ddf1:a9a1:1242:bc9b' } }