Express.io VS Express + socket.io有什么实用工具? [英] What utility of express.io VS express + socket.io?

问题描述

我发现socket.io并在此处聊天示例: https://github.com/rauchg/chat-example/blob/master/index.js

I discover socket.io and chat exemple here : https://github.com/rauchg/chat-example/blob/master/index.js

它们直接使用require('express')和require('socket.io').

那 差异，使用的优势:require('express.io')像这里的 http://express-io.org/一样?

So what the differences, the advantages, to use : require('express.io') like here http://express-io.org/ ?

只是赢一线?严重地?还是有新工具的另一层?

It's just to win one line? Seriously? or there is another layer with new tools?

推荐答案

我一直在我的节点应用程序中使用express.io.我发现主要的好处是可以将普通的快速路由与套接字路由混合使用.

I have been using express.io in my node app. I found that the principal advantage is that you can mix the normal express routes with socket routes.

让我解释一个真实的例子:

Let me explain a real example:

在我的应用程序中，我有一个带有Angular客户端的nodejs REST API.我的客户需要显示一些由管理员致电特快专递请求创建的实时通知.

In my app I have a nodejs REST API with an Angular clients. My clients need to show some real time notifications that were created by an administrator calling an express post request.

开始时，我以一定的时间间隔查询所有通知，每5秒钟运行一次.
在有几个客户端的情况下，它可以完美工作，但是当客户端增加时，我的服务器就过载了.每个客户端都在请求通知，尽管他们没有新的通知.因此，我决定开始使用socket.io发送实时通知.

At the beginning I put a time interval in angular to consult all the notifications, running it every 5 seconds.
With a few clients it works perfect but when clients increased my server was overloaded. Each client was requesting notifications despite them not having new notifications. So I decided to start using socket.io to send real time notifications.

如果管理员保存了新通知，则服务器将通过套接字广播该通知.
这里的问题是，管理员在express中调用了普通的POST请求，并且我需要使用socket.io进行广播，因此我集成了express.io，可以将常规的express请求重定向到socket.io方法中进行发射.

If my administrator saves a new notification, the server broadcasts the notification through the socket.
The problem here was that the administrator calls a normal POST request in express and I needed to broadcast using socket.io, so I integrate express.io and I can redirect normal express request to a socket.io method to do an emit.

var express = require('express.io');
var app = express();

app.http().io()

app.post('/notificacion', function(req, res){
//I save the notification on my db and then ...
req.io.route('enviar');
});

app.io.route('enviar', function(req) { 
    app.io.room('personas').broadcast('alertasControlador',req.io.request.data.notificacion);
});

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