How to have Form and Results in the same page (GET/POST routing)





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I have a question for you.



I use ExpressJS and Pug template engine to do a little application. I create a form and I send the form values on POST method. After some processing, I want to display results in the same page (form page).



index.pug (client-side)



form(method='POST' action='/comparetable/results')

div.form-group
label(for="libelle") Libellé
input(
type="text"
class="form-control"
name="libelle"
id= "libelle"
value=libelle? libelle : ""
)

if(data)

if data.length == 0
p No errors
else
table.table
thead
tr
td(scope="col" class="font-weight-bold") Ligne

tbody
each dataRow in data
tr
td= dataRow["ligne"]


app.js (server-side)



app.get('/comparetable', function (req, res, next) {
res.render('compare', {
libelle : req.body.libelle,
data: (req.outputArray? req.outputArray : null)
});
});

app.post('/comparetable/results', function (req, res, next) {
const libelle = req.body.libelle;

// some processing
// input : libelle (a string)
// output : outputArray (an array with data)

req.outputArray = outputArray;
res.redirect('/comparetable');
})


In client-side, I have a form that send values comparetable/results in POST method, and the display of results if data is defined.
In server-side, I have two routes : a get (that render template with data) and post (that do processing and redirect to get method for display).



The goal is to have one template (client-side) and one rendering function/route (server-side). Currently, it doesn't work. Someone to help me, please ?










share|improve this question





























    0















    I have a question for you.



    I use ExpressJS and Pug template engine to do a little application. I create a form and I send the form values on POST method. After some processing, I want to display results in the same page (form page).



    index.pug (client-side)



    form(method='POST' action='/comparetable/results')

    div.form-group
    label(for="libelle") Libellé
    input(
    type="text"
    class="form-control"
    name="libelle"
    id= "libelle"
    value=libelle? libelle : ""
    )

    if(data)

    if data.length == 0
    p No errors
    else
    table.table
    thead
    tr
    td(scope="col" class="font-weight-bold") Ligne

    tbody
    each dataRow in data
    tr
    td= dataRow["ligne"]


    app.js (server-side)



    app.get('/comparetable', function (req, res, next) {
    res.render('compare', {
    libelle : req.body.libelle,
    data: (req.outputArray? req.outputArray : null)
    });
    });

    app.post('/comparetable/results', function (req, res, next) {
    const libelle = req.body.libelle;

    // some processing
    // input : libelle (a string)
    // output : outputArray (an array with data)

    req.outputArray = outputArray;
    res.redirect('/comparetable');
    })


    In client-side, I have a form that send values comparetable/results in POST method, and the display of results if data is defined.
    In server-side, I have two routes : a get (that render template with data) and post (that do processing and redirect to get method for display).



    The goal is to have one template (client-side) and one rendering function/route (server-side). Currently, it doesn't work. Someone to help me, please ?










    share|improve this question

























      0












      0








      0








      I have a question for you.



      I use ExpressJS and Pug template engine to do a little application. I create a form and I send the form values on POST method. After some processing, I want to display results in the same page (form page).



      index.pug (client-side)



      form(method='POST' action='/comparetable/results')

      div.form-group
      label(for="libelle") Libellé
      input(
      type="text"
      class="form-control"
      name="libelle"
      id= "libelle"
      value=libelle? libelle : ""
      )

      if(data)

      if data.length == 0
      p No errors
      else
      table.table
      thead
      tr
      td(scope="col" class="font-weight-bold") Ligne

      tbody
      each dataRow in data
      tr
      td= dataRow["ligne"]


      app.js (server-side)



      app.get('/comparetable', function (req, res, next) {
      res.render('compare', {
      libelle : req.body.libelle,
      data: (req.outputArray? req.outputArray : null)
      });
      });

      app.post('/comparetable/results', function (req, res, next) {
      const libelle = req.body.libelle;

      // some processing
      // input : libelle (a string)
      // output : outputArray (an array with data)

      req.outputArray = outputArray;
      res.redirect('/comparetable');
      })


      In client-side, I have a form that send values comparetable/results in POST method, and the display of results if data is defined.
      In server-side, I have two routes : a get (that render template with data) and post (that do processing and redirect to get method for display).



      The goal is to have one template (client-side) and one rendering function/route (server-side). Currently, it doesn't work. Someone to help me, please ?










      share|improve this question














      I have a question for you.



      I use ExpressJS and Pug template engine to do a little application. I create a form and I send the form values on POST method. After some processing, I want to display results in the same page (form page).



      index.pug (client-side)



      form(method='POST' action='/comparetable/results')

      div.form-group
      label(for="libelle") Libellé
      input(
      type="text"
      class="form-control"
      name="libelle"
      id= "libelle"
      value=libelle? libelle : ""
      )

      if(data)

      if data.length == 0
      p No errors
      else
      table.table
      thead
      tr
      td(scope="col" class="font-weight-bold") Ligne

      tbody
      each dataRow in data
      tr
      td= dataRow["ligne"]


      app.js (server-side)



      app.get('/comparetable', function (req, res, next) {
      res.render('compare', {
      libelle : req.body.libelle,
      data: (req.outputArray? req.outputArray : null)
      });
      });

      app.post('/comparetable/results', function (req, res, next) {
      const libelle = req.body.libelle;

      // some processing
      // input : libelle (a string)
      // output : outputArray (an array with data)

      req.outputArray = outputArray;
      res.redirect('/comparetable');
      })


      In client-side, I have a form that send values comparetable/results in POST method, and the display of results if data is defined.
      In server-side, I have two routes : a get (that render template with data) and post (that do processing and redirect to get method for display).



      The goal is to have one template (client-side) and one rendering function/route (server-side). Currently, it doesn't work. Someone to help me, please ?







      node.js express middleware






      share|improve this question













      share|improve this question











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      share|improve this question










      asked Nov 22 '18 at 14:10









      KurolounetKurolounet

      145




      145
























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