新建一个Destination，类型为HTTP，再添加三个额外的Properties，其中WebIDEUsage设置为odata_gen:
其中WebIDEUsage属性的值，除了odata_gen之外，还有odata_abap，ui5_execute_abap等选择。
关于这些值的区别，参考SAP帮助文档：
Values for the WebIDEUsage property determine how the SAP Web IDE interprets the destination definition & presents it to you for connection and consumption. The value odata_gen signifies that the destination represents generic OData services (as opposed to OData services that are hosted on an SAP Gateway system, for example) and that the full, specific OData service URL specification is to be provided in the SAP Web IDE New Project wizard, specifically via the Service URL data connection source, as shown in this example scenario: