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Firstly, before you start reading this blog post I would like to recommend you to read the previous blog post ( part 1 ) of this series :

https://blogs.sap.com/2021/02/03/setting-up-visual-studio-code-for-ui5-development/

Introduction


In my previous blog post, I have demonstrated how to create a basic UI5 app using Visual Studio Code.

In this blog post, I would like to demonstrate how to develop UI5 apps using Visual Studio Code that consume OData services from an on-premise SAP System.

Visual Studio Code allows us to develop Ui5 apps using Data Services from various sources like :

  • Connect to SAP System

  • Connect to Odata Service

  • Connect to SAP API Hub

  • Upload a Metadata Document


In this blog post, we will look at Option 1 - Connect to SAP System and use Odata Services from it.

Steps are the same until before the Definition of Data Services mentioned in part 1 of this series. 

Steps :



  1. Start Application Generator

  2. Writing our code for the app

  3. Running the app


Open Application Generator ( Ctrl + Shift + P -> Fiori Tools : Open Application Generator )

Select SAP Fiori freestyle SAPUI5 application and click Start.

1. Start Application Generator



Select SAPUI5 application and click Next.


Data Source and Service Selection

Enter below details

Data source : Connect to an SAP System

System : New System

System type : ABAP On Premise

System URL : http://<system host>:<port number>

Enter SAP Client, Service username and password

Please check below screenshot.


After entering the above details click on Login icon ( circled in yellow ) below.


The System prompts to choose the desired OData Service.

Under option service : Press dropdown and type in the first few letters of your service. System will recommend the service name. Select Service and click Next.


Floorplan customization

Give a suitable View name. Click Next.


Project Attributes

Enter Project details. Click Finish.


Below system message will be displayed. Please wait for few minutes.


Below system message will be displayed.

If you wish to open your project in a new workspace, press the blue button or by default the project will be created in current workspace.


Project is created under Project Explorer.



2. Writing our code for the app


Open the view file under webapp and write your desired code.

For this demo, I will create a basic Table control to display the data from OData service in tabular format.



3. Running our app


Save your App and click on Run button on the left.

Click on the dropdown and select your application from the list.

You may see multiple entries for the same app name. This is because they are all different run configurations for the same app.

Choose default run configuration : App_name ( App_name )

if App_name is the name of my app 

Press the green button next to it.

You can see app run instructions getting executed in the Terminal Screen below.

The app opens up in default browser.



Conclusion


By this, we have learned how we can develop a simple UI5 app in Visual Studio Code that consumes Odata services from an on-premise SAP System.

Thank you for reading my blog post.

Please share your valuable feedback.
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