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Need Help.Node.Js With Ajax and MongoDB CRUD Working slowly
Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 23, 2019 at 00:00UTC (8:00pm US/Eastern)
Data science time! April 2019 and salary with experience
The Ask Question Wizard is Live!How can I get jQuery to perform a synchronous, rather than asynchronous, Ajax request?How to manage a redirect request after a jQuery Ajax callAbort Ajax requests using jQueryjQuery AJAX submit formMongoDB vs. CassandraHow to query MongoDB with “like”?How to make an AJAX call without jQuery?How do I drop a MongoDB database from the command line?Is Safari on iOS 6 caching $.ajax results?how do you connect angular js to node js
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0
When I try to add or delete from my database it takes a few seconds for the page to update. I use AJAX and it is still very slow. I can not figure out what the problem is. I am new at NODE JS I came from MVC NET. Thanks and here is my code.
app.js
let express = require('express');
let app = express();
let mongodb=require('./mongodb')
let bodyParser = require('body-parser');
let index=require('./index');
app.use(bodyParser.urlencoded(
extended: false
));
app.use(bodyParser.json());
app.set('view engine', 'ejs');
app.use(express.static(__dirname + '/public'));
app.listen(8080, function ()
console.log('Example app listening on port 8080!');
);
app.use('/',index);
app.use('/mongo',mongodb);mongodb.js
let express = require('express');
let MongoClient = require('mongodb').MongoClient;
let url = "mongodb://localhost:27017/";
let router = express.Router();
let obj = null;
router.get('/', function (req, res)
getDfroMongo(res);
);
function getDfroMongo(res)
MongoClient.connect(url, function (err, db)
if (err) throw err;
var dbo = db.db("mydb");
//Sort the result by name:
var sort = car: 1 ;
dbo.collection("customers").find().sort(sort).toArray(function (err, result)
if (err) throw err;
obj = result;
// db.close();
res.render(__dirname + '/views/mongo', result: obj );
);
);
router.post('/', function (req, response)
switch (req.body.data)
case "add":
let car = req.body.car;
let model = req.body.model;
let year = req.body.year;
let myimg = req.body.img;
obj = car: car, model: model, year: year, img: myimg ;
if (car != "" && model != "" && year != "" && myimg != "")
console.log(obj);
MongoClient.connect(url, function (err, db)
if (err) throw err;
var dbo = db.db("mydb");
var myobj = Car: car, Model: model, Year: year, img: myimg ;
dbo.collection("customers").insertOne(myobj, function (err, res)
if (err) throw err;
console.log("1 document inserted");
// db.close();
getDfroMongo(response);
);
);
else
console.log('field missed');
break;
case "delete":
let carName = req.body.carName;
MongoClient.connect(url, function (err, db)
if (err) throw err;
var dbo = db.db("mydb");
var myquery = Car: carName ;
dbo.collection("customers").deleteOne(myquery, function (err, obj)
if (err) throw err;
console.log("1 document deleted");
// db.close();
getDfroMongo(response);
);
);
break;
case "update":
upcar = req.body.car;
upmodel = req.body.model;
upyear = req.body.year;
upimg = req.body.img;
upcarName = req.body.carName;
// obj = car: upcar, model: upmodel, year: upyear, img: upimg, carName: upcarName ;
MongoClient.connect(url, function(err, db)
if (err) throw err;
var dbo = db.db("mydb");
var myquery = Car: upcarName ;
var newvalues = $set: Car: upcar, Model: upmodel,Year:upyear,img:upimg ;
dbo.collection("customers").updateOne(myquery, newvalues, function(err, res)
if (err) throw err;
console.log("1 document updated");
// db.close();
getDfroMongo(response);
);
);
break;
default:
break;
);
module.exports=router;And This Is My View-mongo.ejs
<!DOCTYPE html>
<html lang="en">
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<link href="/css/style.css" rel="stylesheet" type="text/css">
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<%include title%>
</head>
<body>
<button type="button" name="addDB" id="addDB" onclick="AddDbFunction()">insert</button>
<input type="text" name="car" id="car" placeholder="car">
<input type="text" name="model" id="model" placeholder="model">
<input type="text" name="year" id="year" placeholder="year">
<input type="text" name="img" id="img" placeholder="img"><br>
<button type="button" name="update" id="update" onclick="updateFunction()">update</button>
<button type="button" name="delete" id="delete" id="delete" onclick="deleteFunction()">delete</button>
<input type="text" name="carName" id="carName" placeholder="carName">
<script>
function updateFunction()
let car = document.getElementById("car").value;
let model = document.getElementById("model").value;
let year = document.getElementById("year").value;
let img = document.getElementById("img").value;
let carName = document.getElementById("carName").value;
let parameters= data: "update", car: car, model: model, year: year, img: img, carName: carName ;
$.ajax(
url: '/mongo',
type: 'POST',
data: parameters,
success: function ()
location.reload();
);
function deleteFunction()
let carName = document.getElementById("carName").value;
// $.post('/', data: "delete", carName: carName );
let parameters = data: "delete", carName: carName ;
$.ajax(
url: '/mongo',
type: 'POST',
data: parameters,
success: function ()
location.reload();
);
function AddDbFunction()
let car = document.getElementById("car").value;
let model = document.getElementById("model").value;
let year = document.getElementById("year").value;
let img = document.getElementById("img").value;
// $.post('/', data: "add", car: car, model: model, year: year, img: img );
let parameters = data: "add", car: car, model: model, year: year, img: img
$.ajax(
url: '/mongo',
type: 'POST',
data: parameters,
success: function ()
location.reload();
);
</script>
<table>
<tr>
<th>Car</th>
<th>Model</th>
<th>Year</th>
<th>image</th>
<!-- <th>id</th> -->
</tr><br>
<% for(let i=0; i < result.length; i++) %>
<tr>
<td><%= result[i].Car%></td>
<td><%= result[i].Model%></td>
<td><%= result[i].Year%></td>
<!-- <td><%= result[i]._id%></td> -->
<td> <img src="images<%= result[i].img%> " width="80" height="80"></td><br>
</tr>
<% %>
</table>
</body>
</html>thanks this is greate place!!
node.js ajax mongodb express ejs
asked Mar 8 at 20:19
Baruch MashashaBaruch Mashasha
33
add a comment |
0
When I try to add or delete from my database it takes a few seconds for the page to update. I use AJAX and it is still very slow. I can not figure out what the problem is. I am new at NODE JS I came from MVC NET. Thanks and here is my code.
app.js
let express = require('express');
let app = express();
let mongodb=require('./mongodb')
let bodyParser = require('body-parser');
let index=require('./index');
app.use(bodyParser.urlencoded(
extended: false
));
app.use(bodyParser.json());
app.set('view engine', 'ejs');
app.use(express.static(__dirname + '/public'));
app.listen(8080, function ()
console.log('Example app listening on port 8080!');
);
app.use('/',index);
app.use('/mongo',mongodb);mongodb.js
let express = require('express');
let MongoClient = require('mongodb').MongoClient;
let url = "mongodb://localhost:27017/";
let router = express.Router();
let obj = null;
router.get('/', function (req, res)
getDfroMongo(res);
);
function getDfroMongo(res)
MongoClient.connect(url, function (err, db)
if (err) throw err;
var dbo = db.db("mydb");
//Sort the result by name:
var sort = car: 1 ;
dbo.collection("customers").find().sort(sort).toArray(function (err, result)
if (err) throw err;
obj = result;
// db.close();
res.render(__dirname + '/views/mongo', result: obj );
);
);
router.post('/', function (req, response)
switch (req.body.data)
case "add":
let car = req.body.car;
let model = req.body.model;
let year = req.body.year;
let myimg = req.body.img;
obj = car: car, model: model, year: year, img: myimg ;
if (car != "" && model != "" && year != "" && myimg != "")
console.log(obj);
MongoClient.connect(url, function (err, db)
if (err) throw err;
var dbo = db.db("mydb");
var myobj = Car: car, Model: model, Year: year, img: myimg ;
dbo.collection("customers").insertOne(myobj, function (err, res)
if (err) throw err;
console.log("1 document inserted");
// db.close();
getDfroMongo(response);
);
);
else
console.log('field missed');
break;
case "delete":
let carName = req.body.carName;
MongoClient.connect(url, function (err, db)
if (err) throw err;
var dbo = db.db("mydb");
var myquery = Car: carName ;
dbo.collection("customers").deleteOne(myquery, function (err, obj)
if (err) throw err;
console.log("1 document deleted");
// db.close();
getDfroMongo(response);
);
);
break;
case "update":
upcar = req.body.car;
upmodel = req.body.model;
upyear = req.body.year;
upimg = req.body.img;
upcarName = req.body.carName;
// obj = car: upcar, model: upmodel, year: upyear, img: upimg, carName: upcarName ;
MongoClient.connect(url, function(err, db)
if (err) throw err;
var dbo = db.db("mydb");
var myquery = Car: upcarName ;
var newvalues = $set: Car: upcar, Model: upmodel,Year:upyear,img:upimg ;
dbo.collection("customers").updateOne(myquery, newvalues, function(err, res)
if (err) throw err;
console.log("1 document updated");
// db.close();
getDfroMongo(response);
);
);
break;
default:
break;
);
module.exports=router;And This Is My View-mongo.ejs
<!DOCTYPE html>
<html lang="en">
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<link href="/css/style.css" rel="stylesheet" type="text/css">
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<%include title%>
</head>
<body>
<button type="button" name="addDB" id="addDB" onclick="AddDbFunction()">insert</button>
<input type="text" name="car" id="car" placeholder="car">
<input type="text" name="model" id="model" placeholder="model">
<input type="text" name="year" id="year" placeholder="year">
<input type="text" name="img" id="img" placeholder="img"><br>
<button type="button" name="update" id="update" onclick="updateFunction()">update</button>
<button type="button" name="delete" id="delete" id="delete" onclick="deleteFunction()">delete</button>
<input type="text" name="carName" id="carName" placeholder="carName">
<script>
function updateFunction()
let car = document.getElementById("car").value;
let model = document.getElementById("model").value;
let year = document.getElementById("year").value;
let img = document.getElementById("img").value;
let carName = document.getElementById("carName").value;
let parameters= data: "update", car: car, model: model, year: year, img: img, carName: carName ;
$.ajax(
url: '/mongo',
type: 'POST',
data: parameters,
success: function ()
location.reload();
);
function deleteFunction()
let carName = document.getElementById("carName").value;
// $.post('/', data: "delete", carName: carName );
let parameters = data: "delete", carName: carName ;
$.ajax(
url: '/mongo',
type: 'POST',
data: parameters,
success: function ()
location.reload();
);
function AddDbFunction()
let car = document.getElementById("car").value;
let model = document.getElementById("model").value;
let year = document.getElementById("year").value;
let img = document.getElementById("img").value;
// $.post('/', data: "add", car: car, model: model, year: year, img: img );
let parameters = data: "add", car: car, model: model, year: year, img: img
$.ajax(
url: '/mongo',
type: 'POST',
data: parameters,
success: function ()
location.reload();
);
</script>
<table>
<tr>
<th>Car</th>
<th>Model</th>
<th>Year</th>
<th>image</th>
<!-- <th>id</th> -->
</tr><br>
<% for(let i=0; i < result.length; i++) %>
<tr>
<td><%= result[i].Car%></td>
<td><%= result[i].Model%></td>
<td><%= result[i].Year%></td>
<!-- <td><%= result[i]._id%></td> -->
<td> <img src="images<%= result[i].img%> " width="80" height="80"></td><br>
</tr>
<% %>
</table>
</body>
</html>thanks this is greate place!!
node.js ajax mongodb express ejs
asked Mar 8 at 20:19
Baruch MashashaBaruch Mashasha
33
add a comment |
0
0
0
When I try to add or delete from my database it takes a few seconds for the page to update. I use AJAX and it is still very slow. I can not figure out what the problem is. I am new at NODE JS I came from MVC NET. Thanks and here is my code.
app.js
let express = require('express');
let app = express();
let mongodb=require('./mongodb')
let bodyParser = require('body-parser');
let index=require('./index');
app.use(bodyParser.urlencoded(
extended: false
));
app.use(bodyParser.json());
app.set('view engine', 'ejs');
app.use(express.static(__dirname + '/public'));
app.listen(8080, function ()
console.log('Example app listening on port 8080!');
);
app.use('/',index);
app.use('/mongo',mongodb);mongodb.js
let express = require('express');
let MongoClient = require('mongodb').MongoClient;
let url = "mongodb://localhost:27017/";
let router = express.Router();
let obj = null;
router.get('/', function (req, res)
getDfroMongo(res);
);
function getDfroMongo(res)
MongoClient.connect(url, function (err, db)
if (err) throw err;
var dbo = db.db("mydb");
//Sort the result by name:
var sort = car: 1 ;
dbo.collection("customers").find().sort(sort).toArray(function (err, result)
if (err) throw err;
obj = result;
// db.close();
res.render(__dirname + '/views/mongo', result: obj );
);
);
router.post('/', function (req, response)
switch (req.body.data)
case "add":
let car = req.body.car;
let model = req.body.model;
let year = req.body.year;
let myimg = req.body.img;
obj = car: car, model: model, year: year, img: myimg ;
if (car != "" && model != "" && year != "" && myimg != "")
console.log(obj);
MongoClient.connect(url, function (err, db)
if (err) throw err;
var dbo = db.db("mydb");
var myobj = Car: car, Model: model, Year: year, img: myimg ;
dbo.collection("customers").insertOne(myobj, function (err, res)
if (err) throw err;
console.log("1 document inserted");
// db.close();
getDfroMongo(response);
);
);
else
console.log('field missed');
break;
case "delete":
let carName = req.body.carName;
MongoClient.connect(url, function (err, db)
if (err) throw err;
var dbo = db.db("mydb");
var myquery = Car: carName ;
dbo.collection("customers").deleteOne(myquery, function (err, obj)
if (err) throw err;
console.log("1 document deleted");
// db.close();
getDfroMongo(response);
);
);
break;
case "update":
upcar = req.body.car;
upmodel = req.body.model;
upyear = req.body.year;
upimg = req.body.img;
upcarName = req.body.carName;
// obj = car: upcar, model: upmodel, year: upyear, img: upimg, carName: upcarName ;
MongoClient.connect(url, function(err, db)
if (err) throw err;
var dbo = db.db("mydb");
var myquery = Car: upcarName ;
var newvalues = $set: Car: upcar, Model: upmodel,Year:upyear,img:upimg ;
dbo.collection("customers").updateOne(myquery, newvalues, function(err, res)
if (err) throw err;
console.log("1 document updated");
// db.close();
getDfroMongo(response);
);
);
break;
default:
break;
);
module.exports=router;And This Is My View-mongo.ejs
<!DOCTYPE html>
<html lang="en">
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<link href="/css/style.css" rel="stylesheet" type="text/css">
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<%include title%>
</head>
<body>
<button type="button" name="addDB" id="addDB" onclick="AddDbFunction()">insert</button>
<input type="text" name="car" id="car" placeholder="car">
<input type="text" name="model" id="model" placeholder="model">
<input type="text" name="year" id="year" placeholder="year">
<input type="text" name="img" id="img" placeholder="img"><br>
<button type="button" name="update" id="update" onclick="updateFunction()">update</button>
<button type="button" name="delete" id="delete" id="delete" onclick="deleteFunction()">delete</button>
<input type="text" name="carName" id="carName" placeholder="carName">
<script>
function updateFunction()
let car = document.getElementById("car").value;
let model = document.getElementById("model").value;
let year = document.getElementById("year").value;
let img = document.getElementById("img").value;
let carName = document.getElementById("carName").value;
let parameters= data: "update", car: car, model: model, year: year, img: img, carName: carName ;
$.ajax(
url: '/mongo',
type: 'POST',
data: parameters,
success: function ()
location.reload();
);
function deleteFunction()
let carName = document.getElementById("carName").value;
// $.post('/', data: "delete", carName: carName );
let parameters = data: "delete", carName: carName ;
$.ajax(
url: '/mongo',
type: 'POST',
data: parameters,
success: function ()
location.reload();
);
function AddDbFunction()
let car = document.getElementById("car").value;
let model = document.getElementById("model").value;
let year = document.getElementById("year").value;
let img = document.getElementById("img").value;
// $.post('/', data: "add", car: car, model: model, year: year, img: img );
let parameters = data: "add", car: car, model: model, year: year, img: img
$.ajax(
url: '/mongo',
type: 'POST',
data: parameters,
success: function ()
location.reload();
);
</script>
<table>
<tr>
<th>Car</th>
<th>Model</th>
<th>Year</th>
<th>image</th>
<!-- <th>id</th> -->
</tr><br>
<% for(let i=0; i < result.length; i++) %>
<tr>
<td><%= result[i].Car%></td>
<td><%= result[i].Model%></td>
<td><%= result[i].Year%></td>
<!-- <td><%= result[i]._id%></td> -->
<td> <img src="images<%= result[i].img%> " width="80" height="80"></td><br>
</tr>
<% %>
</table>
</body>
</html>thanks this is greate place!!
node.js ajax mongodb express ejs
asked Mar 8 at 20:19
Baruch MashashaBaruch Mashasha
33
When I try to add or delete from my database it takes a few seconds for the page to update. I use AJAX and it is still very slow. I can not figure out what the problem is. I am new at NODE JS I came from MVC NET. Thanks and here is my code.
app.js
let express = require('express');
let app = express();
let mongodb=require('./mongodb')
let bodyParser = require('body-parser');
let index=require('./index');
app.use(bodyParser.urlencoded(
extended: false
));
app.use(bodyParser.json());
app.set('view engine', 'ejs');
app.use(express.static(__dirname + '/public'));
app.listen(8080, function ()
console.log('Example app listening on port 8080!');
);
app.use('/',index);
app.use('/mongo',mongodb);mongodb.js
let express = require('express');
let MongoClient = require('mongodb').MongoClient;
let url = "mongodb://localhost:27017/";
let router = express.Router();
let obj = null;
router.get('/', function (req, res)
getDfroMongo(res);
);
function getDfroMongo(res)
MongoClient.connect(url, function (err, db)
if (err) throw err;
var dbo = db.db("mydb");
//Sort the result by name:
var sort = car: 1 ;
dbo.collection("customers").find().sort(sort).toArray(function (err, result)
if (err) throw err;
obj = result;
// db.close();
res.render(__dirname + '/views/mongo', result: obj );
);
);
router.post('/', function (req, response)
switch (req.body.data)
case "add":
let car = req.body.car;
let model = req.body.model;
let year = req.body.year;
let myimg = req.body.img;
obj = car: car, model: model, year: year, img: myimg ;
if (car != "" && model != "" && year != "" && myimg != "")
console.log(obj);
MongoClient.connect(url, function (err, db)
if (err) throw err;
var dbo = db.db("mydb");
var myobj = Car: car, Model: model, Year: year, img: myimg ;
dbo.collection("customers").insertOne(myobj, function (err, res)
if (err) throw err;
console.log("1 document inserted");
// db.close();
getDfroMongo(response);
);
);
else
console.log('field missed');
break;
case "delete":
let carName = req.body.carName;
MongoClient.connect(url, function (err, db)
if (err) throw err;
var dbo = db.db("mydb");
var myquery = Car: carName ;
dbo.collection("customers").deleteOne(myquery, function (err, obj)
if (err) throw err;
console.log("1 document deleted");
// db.close();
getDfroMongo(response);
);
);
break;
case "update":
upcar = req.body.car;
upmodel = req.body.model;
upyear = req.body.year;
upimg = req.body.img;
upcarName = req.body.carName;
// obj = car: upcar, model: upmodel, year: upyear, img: upimg, carName: upcarName ;
MongoClient.connect(url, function(err, db)
if (err) throw err;
var dbo = db.db("mydb");
var myquery = Car: upcarName ;
var newvalues = $set: Car: upcar, Model: upmodel,Year:upyear,img:upimg ;
dbo.collection("customers").updateOne(myquery, newvalues, function(err, res)
if (err) throw err;
console.log("1 document updated");
// db.close();
getDfroMongo(response);
);
);
break;
default:
break;
);
module.exports=router;And This Is My View-mongo.ejs
<!DOCTYPE html>
<html lang="en">
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<link href="/css/style.css" rel="stylesheet" type="text/css">
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<%include title%>
</head>
<body>
<button type="button" name="addDB" id="addDB" onclick="AddDbFunction()">insert</button>
<input type="text" name="car" id="car" placeholder="car">
<input type="text" name="model" id="model" placeholder="model">
<input type="text" name="year" id="year" placeholder="year">
<input type="text" name="img" id="img" placeholder="img"><br>
<button type="button" name="update" id="update" onclick="updateFunction()">update</button>
<button type="button" name="delete" id="delete" id="delete" onclick="deleteFunction()">delete</button>
<input type="text" name="carName" id="carName" placeholder="carName">
<script>
function updateFunction()
let car = document.getElementById("car").value;
let model = document.getElementById("model").value;
let year = document.getElementById("year").value;
let img = document.getElementById("img").value;
let carName = document.getElementById("carName").value;
let parameters= data: "update", car: car, model: model, year: year, img: img, carName: carName ;
$.ajax(
url: '/mongo',
type: 'POST',
data: parameters,
success: function ()
location.reload();
);
function deleteFunction()
let carName = document.getElementById("carName").value;
// $.post('/', data: "delete", carName: carName );
let parameters = data: "delete", carName: carName ;
$.ajax(
url: '/mongo',
type: 'POST',
data: parameters,
success: function ()
location.reload();
);
function AddDbFunction()
let car = document.getElementById("car").value;
let model = document.getElementById("model").value;
let year = document.getElementById("year").value;
let img = document.getElementById("img").value;
// $.post('/', data: "add", car: car, model: model, year: year, img: img );
let parameters = data: "add", car: car, model: model, year: year, img: img
$.ajax(
url: '/mongo',
type: 'POST',
data: parameters,
success: function ()
location.reload();
);
</script>
<table>
<tr>
<th>Car</th>
<th>Model</th>
<th>Year</th>
<th>image</th>
<!-- <th>id</th> -->
</tr><br>
<% for(let i=0; i < result.length; i++) %>
<tr>
<td><%= result[i].Car%></td>
<td><%= result[i].Model%></td>
<td><%= result[i].Year%></td>
<!-- <td><%= result[i]._id%></td> -->
<td> <img src="images<%= result[i].img%> " width="80" height="80"></td><br>
</tr>
<% %>
</table>
</body>
</html>thanks this is greate place!!
let express = require('express');
let app = express();
let mongodb=require('./mongodb')
let bodyParser = require('body-parser');
let index=require('./index');
app.use(bodyParser.urlencoded(
extended: false
));
app.use(bodyParser.json());
app.set('view engine', 'ejs');
app.use(express.static(__dirname + '/public'));
app.listen(8080, function ()
console.log('Example app listening on port 8080!');
);
app.use('/',index);
app.use('/mongo',mongodb);let express = require('express');
let app = express();
let mongodb=require('./mongodb')
let bodyParser = require('body-parser');
let index=require('./index');
app.use(bodyParser.urlencoded(
extended: false
));
app.use(bodyParser.json());
app.set('view engine', 'ejs');
app.use(express.static(__dirname + '/public'));
app.listen(8080, function ()
console.log('Example app listening on port 8080!');
);
app.use('/',index);
app.use('/mongo',mongodb);let express = require('express');
let MongoClient = require('mongodb').MongoClient;
let url = "mongodb://localhost:27017/";
let router = express.Router();
let obj = null;
router.get('/', function (req, res)
getDfroMongo(res);
);
function getDfroMongo(res)
MongoClient.connect(url, function (err, db)
if (err) throw err;
var dbo = db.db("mydb");
//Sort the result by name:
var sort = car: 1 ;
dbo.collection("customers").find().sort(sort).toArray(function (err, result)
if (err) throw err;
obj = result;
// db.close();
res.render(__dirname + '/views/mongo', result: obj );
);
);
router.post('/', function (req, response)
switch (req.body.data)
case "add":
let car = req.body.car;
let model = req.body.model;
let year = req.body.year;
let myimg = req.body.img;
obj = car: car, model: model, year: year, img: myimg ;
if (car != "" && model != "" && year != "" && myimg != "")
console.log(obj);
MongoClient.connect(url, function (err, db)
if (err) throw err;
var dbo = db.db("mydb");
var myobj = Car: car, Model: model, Year: year, img: myimg ;
dbo.collection("customers").insertOne(myobj, function (err, res)
if (err) throw err;
console.log("1 document inserted");
// db.close();
getDfroMongo(response);
);
);
else
console.log('field missed');
break;
case "delete":
let carName = req.body.carName;
MongoClient.connect(url, function (err, db)
if (err) throw err;
var dbo = db.db("mydb");
var myquery = Car: carName ;
dbo.collection("customers").deleteOne(myquery, function (err, obj)
if (err) throw err;
console.log("1 document deleted");
// db.close();
getDfroMongo(response);
);
);
break;
case "update":
upcar = req.body.car;
upmodel = req.body.model;
upyear = req.body.year;
upimg = req.body.img;
upcarName = req.body.carName;
// obj = car: upcar, model: upmodel, year: upyear, img: upimg, carName: upcarName ;
MongoClient.connect(url, function(err, db)
if (err) throw err;
var dbo = db.db("mydb");
var myquery = Car: upcarName ;
var newvalues = $set: Car: upcar, Model: upmodel,Year:upyear,img:upimg ;
dbo.collection("customers").updateOne(myquery, newvalues, function(err, res)
if (err) throw err;
console.log("1 document updated");
// db.close();
getDfroMongo(response);
);
);
break;
default:
break;
);
module.exports=router;let express = require('express');
let MongoClient = require('mongodb').MongoClient;
let url = "mongodb://localhost:27017/";
let router = express.Router();
let obj = null;
router.get('/', function (req, res)
getDfroMongo(res);
);
function getDfroMongo(res)
MongoClient.connect(url, function (err, db)
if (err) throw err;
var dbo = db.db("mydb");
//Sort the result by name:
var sort = car: 1 ;
dbo.collection("customers").find().sort(sort).toArray(function (err, result)
if (err) throw err;
obj = result;
// db.close();
res.render(__dirname + '/views/mongo', result: obj );
);
);
router.post('/', function (req, response)
switch (req.body.data)
case "add":
let car = req.body.car;
let model = req.body.model;
let year = req.body.year;
let myimg = req.body.img;
obj = car: car, model: model, year: year, img: myimg ;
if (car != "" && model != "" && year != "" && myimg != "")
console.log(obj);
MongoClient.connect(url, function (err, db)
if (err) throw err;
var dbo = db.db("mydb");
var myobj = Car: car, Model: model, Year: year, img: myimg ;
dbo.collection("customers").insertOne(myobj, function (err, res)
if (err) throw err;
console.log("1 document inserted");
// db.close();
getDfroMongo(response);
);
);
else
console.log('field missed');
break;
case "delete":
let carName = req.body.carName;
MongoClient.connect(url, function (err, db)
if (err) throw err;
var dbo = db.db("mydb");
var myquery = Car: carName ;
dbo.collection("customers").deleteOne(myquery, function (err, obj)
if (err) throw err;
console.log("1 document deleted");
// db.close();
getDfroMongo(response);
);
);
break;
case "update":
upcar = req.body.car;
upmodel = req.body.model;
upyear = req.body.year;
upimg = req.body.img;
upcarName = req.body.carName;
// obj = car: upcar, model: upmodel, year: upyear, img: upimg, carName: upcarName ;
MongoClient.connect(url, function(err, db)
if (err) throw err;
var dbo = db.db("mydb");
var myquery = Car: upcarName ;
var newvalues = $set: Car: upcar, Model: upmodel,Year:upyear,img:upimg ;
dbo.collection("customers").updateOne(myquery, newvalues, function(err, res)
if (err) throw err;
console.log("1 document updated");
// db.close();
getDfroMongo(response);
);
);
break;
default:
break;
);
module.exports=router;<!DOCTYPE html>
<html lang="en">
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<link href="/css/style.css" rel="stylesheet" type="text/css">
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<%include title%>
</head>
<body>
<button type="button" name="addDB" id="addDB" onclick="AddDbFunction()">insert</button>
<input type="text" name="car" id="car" placeholder="car">
<input type="text" name="model" id="model" placeholder="model">
<input type="text" name="year" id="year" placeholder="year">
<input type="text" name="img" id="img" placeholder="img"><br>
<button type="button" name="update" id="update" onclick="updateFunction()">update</button>
<button type="button" name="delete" id="delete" id="delete" onclick="deleteFunction()">delete</button>
<input type="text" name="carName" id="carName" placeholder="carName">
<script>
function updateFunction()
let car = document.getElementById("car").value;
let model = document.getElementById("model").value;
let year = document.getElementById("year").value;
let img = document.getElementById("img").value;
let carName = document.getElementById("carName").value;
let parameters= data: "update", car: car, model: model, year: year, img: img, carName: carName ;
$.ajax(
url: '/mongo',
type: 'POST',
data: parameters,
success: function ()
location.reload();
);
function deleteFunction()
let carName = document.getElementById("carName").value;
// $.post('/', data: "delete", carName: carName );
let parameters = data: "delete", carName: carName ;
$.ajax(
url: '/mongo',
type: 'POST',
data: parameters,
success: function ()
location.reload();
);
function AddDbFunction()
let car = document.getElementById("car").value;
let model = document.getElementById("model").value;
let year = document.getElementById("year").value;
let img = document.getElementById("img").value;
// $.post('/', data: "add", car: car, model: model, year: year, img: img );
let parameters = data: "add", car: car, model: model, year: year, img: img
$.ajax(
url: '/mongo',
type: 'POST',
data: parameters,
success: function ()
location.reload();
);
</script>
<table>
<tr>
<th>Car</th>
<th>Model</th>
<th>Year</th>
<th>image</th>
<!-- <th>id</th> -->
</tr><br>
<% for(let i=0; i < result.length; i++) %>
<tr>
<td><%= result[i].Car%></td>
<td><%= result[i].Model%></td>
<td><%= result[i].Year%></td>
<!-- <td><%= result[i]._id%></td> -->
<td> <img src="images<%= result[i].img%> " width="80" height="80"></td><br>
</tr>
<% %>
</table>
</body>
</html><!DOCTYPE html>
<html lang="en">
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<link href="/css/style.css" rel="stylesheet" type="text/css">
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<%include title%>
</head>
<body>
<button type="button" name="addDB" id="addDB" onclick="AddDbFunction()">insert</button>
<input type="text" name="car" id="car" placeholder="car">
<input type="text" name="model" id="model" placeholder="model">
<input type="text" name="year" id="year" placeholder="year">
<input type="text" name="img" id="img" placeholder="img"><br>
<button type="button" name="update" id="update" onclick="updateFunction()">update</button>
<button type="button" name="delete" id="delete" id="delete" onclick="deleteFunction()">delete</button>
<input type="text" name="carName" id="carName" placeholder="carName">
<script>
function updateFunction()
let car = document.getElementById("car").value;
let model = document.getElementById("model").value;
let year = document.getElementById("year").value;
let img = document.getElementById("img").value;
let carName = document.getElementById("carName").value;
let parameters= data: "update", car: car, model: model, year: year, img: img, carName: carName ;
$.ajax(
url: '/mongo',
type: 'POST',
data: parameters,
success: function ()
location.reload();
);
function deleteFunction()
let carName = document.getElementById("carName").value;
// $.post('/', data: "delete", carName: carName );
let parameters = data: "delete", carName: carName ;
$.ajax(
url: '/mongo',
type: 'POST',
data: parameters,
success: function ()
location.reload();
);
function AddDbFunction()
let car = document.getElementById("car").value;
let model = document.getElementById("model").value;
let year = document.getElementById("year").value;
let img = document.getElementById("img").value;
// $.post('/', data: "add", car: car, model: model, year: year, img: img );
let parameters = data: "add", car: car, model: model, year: year, img: img
$.ajax(
url: '/mongo',
type: 'POST',
data: parameters,
success: function ()
location.reload();
);
</script>
<table>
<tr>
<th>Car</th>
<th>Model</th>
<th>Year</th>
<th>image</th>
<!-- <th>id</th> -->
</tr><br>
<% for(let i=0; i < result.length; i++) %>
<tr>
<td><%= result[i].Car%></td>
<td><%= result[i].Model%></td>
<td><%= result[i].Year%></td>
<!-- <td><%= result[i]._id%></td> -->
<td> <img src="images<%= result[i].img%> " width="80" height="80"></td><br>
</tr>
<% %>
</table>
</body>
</html>node.js ajax mongodb express ejs
node.js ajax mongodb express ejs
asked Mar 8 at 20:19
Baruch MashashaBaruch Mashasha
33
asked Mar 8 at 20:19
Baruch MashashaBaruch Mashasha
33
asked Mar 8 at 20:19
Baruch MashashaBaruch Mashasha
33
asked Mar 8 at 20:19
Baruch MashashaBaruch Mashasha
33
asked Mar 8 at 20:19
Baruch MashashaBaruch Mashasha
33
33
add a comment |
add a comment |
1 Answer
1
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oldest
votes
0
Don't connect mongo for each request, just connect once at the start of your script.
answered Mar 8 at 20:43
MattMatt
1807
Thanks man. Work Perfect now.
– Baruch Mashasha
Mar 8 at 21:19
Your'e welcome :)
– Matt
Mar 8 at 21:40
add a comment |
Your Answer
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1 Answer
1
active
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votes
active
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active
oldest
votes
0
Don't connect mongo for each request, just connect once at the start of your script.
answered Mar 8 at 20:43
MattMatt
1807
Thanks man. Work Perfect now.
– Baruch Mashasha
Mar 8 at 21:19
Your'e welcome :)
– Matt
Mar 8 at 21:40
add a comment |
0
Don't connect mongo for each request, just connect once at the start of your script.
answered Mar 8 at 20:43
MattMatt
1807
Thanks man. Work Perfect now.
– Baruch Mashasha
Mar 8 at 21:19
Your'e welcome :)
– Matt
Mar 8 at 21:40
add a comment |
0
0
0
Don't connect mongo for each request, just connect once at the start of your script.
answered Mar 8 at 20:43
MattMatt
1807
Don't connect mongo for each request, just connect once at the start of your script.
answered Mar 8 at 20:43
MattMatt
1807
answered Mar 8 at 20:43
MattMatt
1807
answered Mar 8 at 20:43
MattMatt
1807
answered Mar 8 at 20:43
MattMatt
1807
1807
Thanks man. Work Perfect now.
– Baruch Mashasha
Mar 8 at 21:19
Your'e welcome :)
– Matt
Mar 8 at 21:40
add a comment |
Thanks man. Work Perfect now.
– Baruch Mashasha
Mar 8 at 21:19
Your'e welcome :)
– Matt
Mar 8 at 21:40
Thanks man. Work Perfect now.
– Baruch Mashasha
Mar 8 at 21:19
Thanks man. Work Perfect now.
– Baruch Mashasha
Mar 8 at 21:19
Your'e welcome :)
– Matt
Mar 8 at 21:40
Your'e welcome :)
– Matt
Mar 8 at 21:40
add a comment |
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