Essentially what happens is that the remote resource on domain2.com will have to tell the requestor that it accepts requests from domain1. You can also add the @CrossOrigin annotation at the controller class level as well, to enable CORS on all handler methods of this class. 核心功能：网页版包含了百度网盘的全部核心功能，如文件的上传、下载、管理和分享等。它还支持在线预览多种文件格式，... https://matthewn417ycf9.blog-a-story.com/profile