express

问题 I try to render html with ejs like this const ejs = require('ejs'), fs = require('fs'), str = fs.readFileSync(`${__dirname}/../mail_templates/test.ejs`, 'utf8'); console.log(ejs.render(str, {name: 'abc'}); test.ejs <%- include(`header.ejs`)%> ... But got this error: Error: ejs:1 >> 1| <%- include(`header.ejs`)%> Could not find the include file "header.ejs" ... Here is how the folder structure look like: Can you tell me why? I also tried these cases but no hope: <% include header.ejs %> <%

问题 I try to render html with ejs like this const ejs = require('ejs'), fs = require('fs'), str = fs.readFileSync(`${__dirname}/../mail_templates/test.ejs`, 'utf8'); console.log(ejs.render(str, {name: 'abc'}); test.ejs <%- include(`header.ejs`)%> ... But got this error: Error: ejs:1 >> 1| <%- include(`header.ejs`)%> Could not find the include file "header.ejs" ... Here is how the folder structure look like: Can you tell me why? I also tried these cases but no hope: <% include header.ejs %> <%

问题 I am using multer diskstorage to save a file to disk. I first save it to the disk and do some operations with the file and then i upload it to remote bucket using another function and lib. Once the upload is finished, i would like to delete it from the disk. var storage = multer.diskStorage({ destination: function (req, file, cb) { cb(null, '/tmp/my-uploads') }, filename: function (req, file, cb) { cb(null, file.fieldname + '-' + Date.now()) } }) var upload = multer({ storage: storage })

问题 I am using multer diskstorage to save a file to disk. I first save it to the disk and do some operations with the file and then i upload it to remote bucket using another function and lib. Once the upload is finished, i would like to delete it from the disk. var storage = multer.diskStorage({ destination: function (req, file, cb) { cb(null, '/tmp/my-uploads') }, filename: function (req, file, cb) { cb(null, file.fieldname + '-' + Date.now()) } }) var upload = multer({ storage: storage })

问题 In my Express JS web app, a login route renders some variables to the login pug view. In login.js router.get('/login', function(req, res, next) { var locations = ["Location 1", "Location 2"]; var count = 0; var title = 'Login'; console.log("req.originalUrl=" + req.originalUrl); res.render('login', { title: title, // Give a title to our page jsonData: locations, // Pass data to the View count: locations.length, originalUrl: req.originalUrl }); }); In login.pug extends layout block content div

问题 In my Express JS web app, a login route renders some variables to the login pug view. In login.js router.get('/login', function(req, res, next) { var locations = ["Location 1", "Location 2"]; var count = 0; var title = 'Login'; console.log("req.originalUrl=" + req.originalUrl); res.render('login', { title: title, // Give a title to our page jsonData: locations, // Pass data to the View count: locations.length, originalUrl: req.originalUrl }); }); In login.pug extends layout block content div

问题 Have a basic express app going that is connected to an almost .5 GB MongoDB Database...When I run: router.get('/', function(req, res, next) { medical_data.find({'State':'CT'}, function(err, data) { console.log(data) res.render('index'); }); }); I get a blank array returned: [] GET / 304 87.233 ms - - GET /stylesheets/style.css 304 4.842 ms - - Here is the entry from MongoLab that I'm trying to query for: { "_id": { "$oid": "5671dfafd7f6fdd02436682e" }, "Street": "65 KANE ST", "City": "WEST

问题 I have a mongoose model in my node.js application, representing invoices. I have figured most of it out already, but I really need to ensure that my invoices are numerated/incremented to be able to provide a proper reference to my customer. Using an SQL database, I would have created an AUTO-INCREMENT column holding this value, but this obviosly isn't built into MongoDB. So how would I accomplish this with mongoose ? Here's how my model looks right now: var InvoiceSchema = new Schema({

问题 I've been wondering if beginTransaction in node.js mysql uses multiple connections (if I have multiple queries inside the transaction) in a pool or is it only using a single connection until it is committed? 回答1: A transaction cannot be shared by multiple database connections and is always limited to a single connection. The best approach would be to acquire a connection from the pool before you begin the transaction and release it after a rollback or a commit. pool.getConnection(function(err

问题 I'm having a function returning a promise. In this function, we call a third party vender to send some push notification through their server. it looks like apiGetLoggedInUser.then( user => { return sendMessage(user.name); } ) However the thing is we decided to wait for 3 seconds before we really call this sendMessage function. However we'd prefer not to change sendMessage since it's provided. I'm wondering how to really do the "wait" part in this scenario since promise is used to remove