出现

Access to XMLHttpRequest at 'http://localhost:8201/admin/hosp/hospitalSet/3/0' from origin 'http://localhost:9528' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource.

错误的原因是在写请求路径的时候出现了错误导致路径不能访问到,正确的处理方法是:

 

 

前端请求的路径要和后端写的路径一致才能访问到。 

Logo

旨在为数千万中国开发者提供一个无缝且高效的云端环境,以支持学习、使用和贡献开源项目。

更多推荐