ejs | 易学教程

Express' render/redirect does not work if the call isn't coming from a submit method in a form

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问题 Task Perform a POST request from a JS method, so that variable values can be sent as parameters. Environment NodeJS Express BodyParser ejs My first attempt Frontend: <html> <head> <script src='http://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js'></script> <script type="text/javascript"> function postAnswer() { $.post('vote', { message: "hello!"}, function(returnedData) { console.log("Post returned data: " + returnedData); }); } </script> </head> <body> <button id='send' onClick=

Node.js - EJS - including a partial

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问题 I am trying to use Embedded Javascript renderer for node: https://github.com/visionmedia/ejs I would like to know how I can include another view file (partial) inside a .ejs view file. 回答1: With Express 3.0: <%- include myview.ejs %> the path is relative from the caller who includes the file, not from the views directory set with app.set("views", "path/to/views") . EJS includes 回答2: In Express 4.x I used the following to load ejs : var path = require('path'); // Set the default templating

How to get sum from array using javascript?

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问题 var data =[ { name:"xyz", meals:[ {num:3.5},{num:4 },{num:6.5},{num:3} ], deposits:[ {date:"", amount:3000}, {date:"", amount:2400}, {date:"", amount:300}, ]; }, { name:"abc", meals:[ {num:3.5},{num:4 },{num:6.5},{num:3} ], deposits:[ {date:"", amount:3000}, {date:"", amount:2400}, {date:"", amount:300}, ]; } ]; I want to get the sum of meals & deposits for every name or object. 回答1: Use Array.map and Array.reduce var data =[{name:"xyz",meals:[{num:3.5},{num:4 },{num:6.5},{num:3}],deposits:[

how to pass function value

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问题 I have created models called (user.js) module.exports.show_deatils = function(req,res,callback){ var resultArray=[]; mongo.connect(url,function(err,db){ assert.equal(null,err); var cursor=db.collection('users').find(); cursor.forEach(function(doc,err){ assert.equal(null,err); resultArray.push(doc); }); }); } router.get('/restful', function(req, res){ User.show_deatils(function(req,res,resultArray){ req.session.resultArray=resultArray; console.log(resultArray); }); res.render('restful'); }); I

jQuery scroll to ID on page A from page B (node, ejs)

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问题 this is my navbar <ul id="jump" class="dropdown-menu" role="menu"> <li><a href="/main_page#top_something">People</a></li> <li><a href="/main_page">Main Page</a></li> </ul> and I am using this function (function($){ var jump=function(e) { if (e){ e.preventDefault(); var target = $(this).attr("href"); }else{ var target = location.hash; } $('html,body').animate( { scrollTop: $(target).offset().top },1000,function() { location.hash = target; }); } $('html, body').hide() $(document).ready(function

nodejs/Expressjs redirect after successful insertion

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问题 I am working on a CRUD app in Nodejs/Expressjs with EJS as a templating engine. I created a folder in my "views" folder, name login in which I have few files. Views folder contains all my .ejs files. Now after successful insertion (via a router), I want to redirect to an .ejs file (login/filename). But it is not working. Here is my working directory: I have added all relevant routers. app.js: var express = require('express'), path = require('path'), bodyParser = require('body-parser'),

Sending dynamic variable to jquery

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问题 I have a table that is built dynamically with EJS template. I want to pass a dynamic value to a jQuery function when the user clicks on the button. This is how I'm building my table: <% for(var i=0; i< automated_campaigns.length; i++) { %> ... <%= automated_campaigns[i].name %> <td> <button type="button" class="btn btn-danger btn" id="load" data-loading-text="<i class='fa fa-circle-o-notch fa-spin'></i>">Activate</button> </td> ... <% } %> And this is my jQuery function that handles the click

set background image with ejs template

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问题 Working on a blog site, Here's the effect I want : I use a forEach to loop through every post and create the same style for each post. This is my code : <% blog.forEach(function(blog,index) { %> //loops through every post <div class="col-md-6 col-sm-6"> <div class="thumbnail"> <a href="/blog/<%= blog._id %>"><img src="<%= blog.image %>"> </a> //adds image </div> <div class="caption"> <a href="/blog/<%= blog._id %>"><h2><%= blog.title %></h2> </a> //adds title </div> <span><%= blog.created

Filtering data in Javascript

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问题 I have a list of elements (DIVs) on my html page as below. There is a list of hashtags on the same page. I need that when the user clicks on the hashtag (e.g. #bacteria) only those DIVs that contain that hashtag are shown. What would be the most lightweight and easy way to implement that? <div class='entry'> <p>#antibiotics destroy #e-coli and that's not good!!!!</p>   </div> <div class='entry'> <p>

display a date on an edit from from mongo using ejs

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问题 There is an edit page where a user can, obviously, edit aspects of an event. Everything displays fine except the Date shows empty. I am using the type="date" in my html which may be a cause, how can I get around this so that I can show the date, because when it saves it saves as null after editing the event View: <div class="form-group"> <input class="form-control" type="date" name="editEvent[startDate]" placeholder="Date" value="<%= event.startDate %>"> </div> Route: router.get("/event/:id