express

问题 This question already has answers here : Opening images on NodeJS and finding out width/height (3 answers) Closed 6 years ago . I am using express 3 to make a http server which uploads the image in a designated folder but I am not able to get the image resolution in the req object . I tried looking in req.files and req.files.images and req.files.headers but I could not find that information . How can I get the resoultion of the uploaded image . 回答1: See solution here: Opening images on NodeJS

问题 I'm trying to implement a basic node-express angular app which includes an ng-include directive. This is the structure of my app: App: server.js package.json public: js css index.html partials: header.html partial-about.html partial-homt.html The content of my server.js is the following: var express = require("express"); var app = express(); var port = process.env.PORT || 8080; app.configure(function () { app.use(express.static(__dirname + "/public")); app.use(express.logger("dev")); }); app

问题 I'm trying to implement a basic node-express angular app which includes an ng-include directive. This is the structure of my app: App: server.js package.json public: js css index.html partials: header.html partial-about.html partial-homt.html The content of my server.js is the following: var express = require("express"); var app = express(); var port = process.env.PORT || 8080; app.configure(function () { app.use(express.static(__dirname + "/public")); app.use(express.logger("dev")); }); app

问题 I have the next Schema: var eventSchema = mongoose.Schema({ title: 'string', propietary_id: 'String', comments : [{ text: 'string', user: { type : mongoose.Schema.Types.ObjectId, ref : 'users' }, createdAt: {type: Date, default: Date.now } }] }); my query: Event.find().populate('comments.user').exec(function(err, doc){ console.log(err); console.log(doc); }); it's possible return object with events information, 2 comments and total number of comments (like facebook) ? 回答1: I would do it like

问题 I am trying to send a specific error message to my front end. Scenario 1 app.use(function(err, req, res, next){ console.log(err); }); logs: [String: 'Error: Request returned error code: 422 and body: {"status":422,"title":"Missing or incorrect required fields","type":"https://developer.bigcommerce.com/api#api-status-codes","errors":{"variant":"This product has options, variant ID is required"}}'] Scenario 2 app.use(function(err, req, res, next){ res.status(422).send('TEST TEST TEST'); });

问题 I use nestjs to build a REST API. I have a middleware which loads data from redis cache and should save it in the request object to access it in the controller function. If i use express as engine it works, but with fastify it doesn't work. The data is undefined in the controller function. The code looks like: function mymiddleware(req, res, next) => { req.data = {...}; next(); }; 回答1: this is a simple working example: const fastify = require('fastify')({ logger: true }) fastify.use(function

问题 I have created my first react app using npx create-react-app my-app and started it. Now I want to add express into this react app. Hence I have added the below line in my index.js var express = require('express') Here is what my whole index.js looks like. The above is the only line that I have added, rest is exactly same as what I got from create-react-app import ReactDOM from 'react-dom'; import './index.css'; import App from './App'; import * as serviceWorker from './serviceWorker'; var

问题 So I'm currently investigating what technologies/libraries etc to adopt for a new, rather large scale project... Given my teams knowledge of NodeJS, JavaScript, Express and Jade (now Pug) I/WE would ideally like to adopt these for the new project. However, the current sticking point is the way in which HTML is being served under Express using route middleware. We all know that Node/Express does a pretty bad job of serving up static files, which is where Nginx comes in. I can understand and

问题 I have looked through the questions and can't seem to find the answer. There are similar ones but none that have helped. Here is the deal. I am trying to refresh my React page on any page but home i.e. https://amazingdomain/nextpage I know, if I am on this page and I refresh I will get the Express 404 because it doesn't know what to send. My Server is hosted on AWS as an EC2 instance and my Frontend is hosted on a popular hosting site. Everything works fine until I try to refresh on a page

问题 To practice my node I am trying to make a file downloader. The aim is to get a url of a file from a database (currently mp3), download it to the project and use it as an href on the client side. I have managed to get the promises working and a file downloads, however the file is saying it's empty, but when I go into the project, I can open the file(mp3) fine. Here is what I have so far: .then(() => { Promise.resolve() .then(() => { return new Promise(resolve => { console.log("Started download