概述 前面写了一篇:<C# ASP.NET WebApi 跨域设置>的文章,主要针对 ASP.NET WebApi 项目. 今天遇到 ASP.NET MVC 项目也需要设置跨域,否则浏览器提示: Access to XMLHttpRequest at 'xxxx' from origin 'null' has been blocked by CORS policy: Request header field content-type is not allowed by Access-Contr
1.前端页面使用vue中的axios请求nodejs响应.报以下错误: Failed to load http://localhost:3000/users/validate: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://loc