使用 Express框架
在 Express 中,可以使用
app.set
方法设置中间件来处理代理头。使用trust proxy
设置告诉Express信任代理服务器发送的标头。这样,req.ip
将会反映真实的客户端IP地址
const express = require('express');
const app = express();
// 告诉Express信任代理服务器发送的标头
app.set('trust proxy', true);
app.get('/', (req, res) => {
const ip = req.ip;
res.send(`Your IP address is: ${ip}`);
});
app.listen(3000, () => {
console.log('Server is running on port 3000');
});
使用 http 模块
const http = require('http');
const server = http.createServer((req, res) => {
const ip = req.connection.remoteAddress;
res.end(`Your IP address is: ${ip}`);
});
server.listen(3000, () => {
console.log('Server is running on port 3000');
});