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get jquery post data in node.js


By : sony747
Date : October 18 2020, 08:10 AM
fixed the issue. Will look into that further You define bodyParser, but never use it. You have to add it to the express configuration.
code :
app.use(bodyParser.urlencoded());


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node js sending post request through jquery form data error


By : Rafał Stępień
Date : March 29 2020, 07:55 AM
it helps some times The problem with your second code snippet is that you set the content type incorrectly, a boundary is needed for mutipart-formdata. However when you pass a FormData Object to $.ajax it sets the correct content type and a boundary for you if you set the contentType and processData to false.
code :
var file = $("#myIndifile")[0].files[0];
var formdata = new FormData();
formdata.append("myFile", file);
  $.ajax({
    type: 'post',
    url: '/indi',
    data: formdata,
    contentType: false,
    processData: false,
    success: function (data) {
      Pace.stop;
      alert(" Number of lines Read  :"+data[0].lines+"\n"+"Number of records saved:"+data[1].saved);

    }
});

jQuery post sends data to node.js server but the status is canceled


By : Charles
Date : March 29 2020, 07:55 AM
this will help You were calling res.send() in the callback after database operation. As res was not passed to the callback function explicitly, the code was not triggering.

post json data in jquery, consume in node js


By : G. Dallaire
Date : March 29 2020, 07:55 AM
may help you . Like to know how to post json form data from javascript on submit button and receive the json data at node js server. , Try this:
code :
var bodyParser = require('body-parser');
var dcuJsonEncoder = bodyParser.json();
var urlEncoded = bodyParser.urlencoded({ extended: true });

app.post(
    '/SaveData',
    dcuJsonEncoder,
    urlEncoded,
    function(request, response){
        var deviceConfigObj = JSON.stringify(request.body, null, 4);
        console.log(deviceConfigObj);
        response.json(deviceConfigObj);    // echo the result back
    }
);

How to send data to post method of node js using AJAX/jQuery?


By : Aisha Mohamed
Date : March 29 2020, 07:55 AM
Hope this helps You can use jQuery's $.post() method to send a json object, or you can url encode parameters:
JSON:
code :
$.post('/output2', {number: 'value1'}, function(data){
    // Do things
});
$.post('/output2?number=value1', function(data){
    // Do things
});
app.post('/output2', function(req, res){
    var number = req.body.number;
    // Do things
});
<script>

$(function(){
    $(document).on('submit', 'form', function(e){
        e.preventDefault();
        var formdata = { number: $('input[name="number"]').val() };
        $.post('/output2', formdata, function(data){
            alert(data);
        });
    });
});

</script>

POST data using Ajax, jquery, Node.js and Express


By : Victoria S.
Date : March 29 2020, 07:55 AM
this one helps. you for your help I get the concept now. It as been working so far with this :
code :
$(document).ready(function() {
console.log("document is ready");
$("#matchme").click(function(){
event.preventDefault();
var data = {};
data.sex = $('[name=sex]:checked').val();
data.orientation_filter = $('[name=orientation_filter]:checked').val();
data.age = $('[name=age]:checked').val();

console.log(data.sex);
console.log(data.orientation);
console.log(data.age);
$.ajax({
         url: '/carousel',
         type: 'POST',
         cache: false,
         data: JSON.stringify(data),
         success: function(data){
            alert("post success")
            console.log(JSON.stringify(data));
          }
        });
   });

});
app.post('/carousel', function (req, res) {
username = session.uniqueID;
var data = {
sex: req.body.sex,
orientation: req.body.orientation_filter,
age: req.body.age
};
console.log(data.sex);
console.log(data.age);
function UserStart(data, callback) {
async.waterfall([
  function(cb) {
    pool.getConnection(function (err, connection) {
      if (err) {
        console.log(err);
      }
      connection.query('INSERT INTO usersinfo SET ?', data , function (err, rows, fields) {
        if (err) {
          console.log(err, "error")
        } else {
          callback(null, "all good")
        }
      });
    });
  }
],
function (err, data) {
  if (err) {
    callback(err);
  } else {
    callback(null, data);
  }
})
}
UserStart(data, function (err, callback) {
 if (err) {
   res.redirect('/login');
   console.log("login again");
 } else {
   res.redirect('/home');
   console.log("user is now activated, ready !");
 }
})
});
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