nodejs获取客户端ip

//传入请求HttpRequest
function getClientIp(req) {
        return req.headers[‘x-forwarded-for‘] ||
        req.connection.remoteAddress ||
        req.socket.remoteAddress ||
        req.connection.socket.remoteAddress;
}

// req: 请求HttpRequest
req.ip

const ip = ‘::ffff:127.0.0.1‘.match(/\d+\.\d+\.\d+\.\d+/)[0]
console.log(ip)