Failed to load http://localhost:8080/demo/v1/users: No ‘Access-Control-Allow-Origin‘ header is present on the requested resource. Origin ‘http://localhost:8000‘ is therefore not allowed access.
angular.js:12265 Cross-Origin Read Blocking (CORB) blocked cross-origin response http://localhost:8080/demo/v1/users with MIME type application/json. See https://www.chromestatus.com/feature/5629709824032768 for more details.
https://blog.csdn.net/larger5/article/details/79805617
原文：https://www.cnblogs.com/yc5518/p/9214203.html