how to capture the data sent by alloy ui io reques

Question

Getting blank values for title and description in serveResource method.Is this the right way to send the parameters from io request?

After inserting blank values in database I have to reload the page to see the inserted values?So io-request is not ajax request?

    <aui:script use="aui-base">
        A.one('#<portlet:namespace/>save').on('click', function(event) {
        var A = AUI();
        var title=A.one('#<portlet:namespace/>title').val();
        alert(title);
        var description=A.one('#<portlet:namespace/>description');

                    var url = '<%= newJob.toString() %>';
                    A.io.request(
                        url,
                        {

                            method:'POST',
                            data: {
                                <portlet:namespace />title: title,
                                <portlet:namespace />description: description,
                                    },


                        }
                            ['aui-io-deprecated']

                            );
                            Liferay.Util.getOpener().<portlet:namespace/>closePopup('<portlet:namespace/>dialog'); 
        });

Answer 1

AUI's io request is ajax request only.

You can get parameters in serveResource method using code below:

ParamUtil.get(resourceRequest, "NAMEOFPARAMETER");

Modify your javascript function and provide data attribute as below:

 data: {
       '<portlet:namespace />title': title,
       '<portlet:namespace />description': description,
       }

Answer 2

I assume both title and description are textfields. If so, description is missing a .val() call, or more appropriately, .get('value'). I didn't use a dialog/modal in my source, but the overall approach should be the same.

<script>
  AUI().use('aui-base', 'aui-io-request', function(A){
    A.one('#<portlet:namespace />save').on('click', function(event) {
         var title= A.one('#<portlet:namespace />title').get('value');
         var description=A.one('#<portlet:namespace />description').get('value');

         var url = '<%=myResourceURL.toString()%>';

         A.io.request(url,
                      {
                         method:'POST',
                         data: {
                                title: title,
                                description: description,
                               },
                         });
                      });
  });
</script>

I'm still relatively new to Liferay and have had trouble with this as well. I've noticed that the data parameters are not in the parametersMap of the default ResourceRequest, as you have stated. Out of curiosity, I decided to use

UploadPortletRequest req = PortalUtil.getUploadPortletRequest(resourceRequest);

in the serveResource method and check it's parametersMap. The title and description parameters are available therein. I'm still learning where and how to access data from Liferay objects, but it would seem that for the UploadPortletRequest to have the data, it would be plucked from somewhere within the default ResourceRequest ... where still remains elusive to me.

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After inserting blank values in database I have to reload the page to see the inserted values?

You have to reload the page because a resource action does not trigger a page refresh. If you are manipulating data that you want reflected in some other "view" you'll need to configure the appropriate communication or use one of the other available url types that does trigger the doView method of your other "view".