SAPUI5 oModel.create() - how to post data to the SAP backend?

I got a button where I want to post data to my SAP backend on press-method:

         oCellBtnOtherchart.addContent(new sap.ui.commons.Button({
             text : "Save",
             press : function() {

                var sServiceUrl = "/MyEntitSet('0001')";

                var oModel = sap.ui.getCore().getModel();
                console.log(oModel);

                 var oParameters = {
                        "email" : "a",
                        "lastname" : "b",
                        "firstname" : "c",
                   };

                oModel.create(sServiceUrl, oParameters);

             }
         }));

My questions are:

In which method would this request end in backend? I expect MyEntitySet_CREATE_ENTITY()
Why doesnt it work, the error message is: HTTP request failed 405, Method Not Allowed

But why is it 405, is my Service URL Wrong? How do I Post data correctly to the SAP Backend?

SAP Troubleshooting Guide says: 405 Method Not Allowed o The method specified in the Request-Line is not allowed for the resource identified by the Request-URI. The response must include an Allow header containing a list of valid methods for the requested resource. --> This does not help me right now, anybody knows how to include an allow header?

Because there are only few threads on this topic at SO, which in my opinion do not answer the questions I had, I'll share my findings how to pass data to the backend via oModels create method:

First Define a type of your result entity (check your oData-Model to know the attributes, e.g. Name and YourID):

var oEntry = {};
oEntry.YourID = "0001";
oEntry.Name = "Peter";

Then fetch your model:

var oModel = sap.ui.getCore().getModel();

Then execute the create operation thanks to: https://sapui5.netweaver.ondemand.com/docs/api/symbols/sap.ui.model.odata.ODataModel.html

jQuery.sap.require("sap.ui.commons.MessageBox");
oModel.create('/EntitySet', oEntry, null, function(){
    sap.ui.commons.MessageBox.show(
         sap.ui.commons.MessageBox.alert("Success!");
     );
    },function(){
      sap.ui.commons.MessageBox.alert("Error!");
});

Results in Backend in Method "ENTITYSET_CREATE_ENTITY"-Method, where you can retrieve YourID and Name:

DATA: ls_data TYPE ycl_class_mpc=>ts_entity.

CALL METHOD io_data_provider->read_entry_data
  IMPORTING
    es_data = ls_data.

WRITE ls_data-name.
WRITE ls_data-yourid.

This example applies to single calls, you can see the result in ABAP is a structure. If you need to pass multiple datasets to the backend you should search for batch processing at https://openui5.hana.ondemand.com/docs/api/symbols/sap.ui.model.odata.ODataModel.html

Santhosh_Reddy

If you are still looking for a good blog on how to make a batch post then have a look at this post http://scn.sap.com/community/developer-center/front-end/blog/2012/11/18/gateway-batch-calls-from-sapui5

来源：https://stackoverflow.com/questions/25886479/sapui5-omodel-create-how-to-post-data-to-the-sap-backend

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