例如，Portlet是显示某个数据库的数据还是显示Web服务调用的数据？

For example, does the portlet display data from some database or Web service call?

youdao

报表不是凭空而来的；它们需要某个数据源以向用户显示数据。

Reports don't appear from nowhere; they need a source of data to present to the user.

youdao

报表不是凭空而来的；它们需要某个数据源以向用户显示数据。

Reports don't appear from nowhere; they need a source of data to present to the user.

youdao