ABAP publishes OData service samples from CDs view

1. Create for publishing Odata Service Of CDS VIEW

• Create a new simple point CDS VIEW, And add necessary Annotation Parameters ：@OData.publish: true
• other Annotation Parameters ：ABAP CDS - ABAP Annotations
  

2. stay SAP GATEWAY Publish on Odata service

• Transaction code ：/IWFND/MAINT_SERVICE（ Note that the transaction code is preceded by /n or /o Parameters ）
• Add a new service
  
• Fill in the parameters
  
  
  

3. visit Odata service

• Directly call the browser to access

• http://xxxx.com:8000/sap/opu/odata/sap/ZCDS_ODATA_01_CDS/?$format=xml
  
  

• Parameters can be adjusted by **$format=json**, Get the data in the specified format

• http://xxxx.com:8000/sap/opu/odata/sap/ZCDS_ODATA_01_CDS/?$format=json
  

• Get all the data of the view

• http://xxxx.com:8000/sap/opu/odata/sap/ZCDS_ODATA_01_CDS/ZCDS_ODATA_01?$format=json
  

• Read only one row of data

• http://xxxx.com:8000/sap/opu/odata/sap/ZCDS_ODATA_01_CDS/ZCDS_ODATA_01(‘127’)?$format=json
  

• http://xxxx.com:8000/sap/opu/odata/sap/ZCDS_ODATA_01_CDS/ZCDS_ODATA_01(‘127’)?$format=xml