Express.js:如何获取IP地址并渲染视图? [英] Express.js: How can I get the ip Address and render a view?

问题描述

我真的认为这应该很容易.但是，当我渲染一个翡翠模板时，我也想获取IP地址.我的代码看起来像这样.

I really think this should be easy. But when I render a jade template, I also want to grab the ip address. My code look like this.

app.js

app.get('/', index.home)

index.js

exports.home = function(req, res) {
    res.render('index');
};

我在哪里可以添加类似内容:

Where can I add something like:

var ip = req.header('x-forwarded-for') || req.connection.remoteAddress; //or
console.log(req.connection.remoteAddress);

推荐答案

如果您的应用程序部署在反向代理之后，只需使用req.ip并确保您拥有app.enable('trust proxy');. Express为您提供了所有标头解析和代理逻辑.

Just use req.ip and make sure you have app.enable('trust proxy'); if your app is deployed behind a reverse proxy. Express has all the header parsing and proxy logic baked in for you.

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