官方说明 CORS means Cross-Origin Resource Sharing. Refer What is "Same Origin" Part Detailed Procedure 具体实践 需要引入 Microsoft.AspNetCore.Mvc.Cors 包 Cors配置 Startup.cs文件ConfigureServices方法中,将Cors服务放到容器中 services.AddCors(options); 传一个options,指定名字并配置它,这个时候
Asp.net Core 跨域配置 一般情况WebApi都是跨域请求,没有设置跨域一般会报以下错误 No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://localhost:48057' is therefore not allowed access. ASP.net Core 跨域有两种,全局和区域 全局跨域: 打开Startup.cs文件.在Configur
网页请求报错: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. 如图: 跨域问题解决原理 CORS全称Cross-Origin Resource Sharing,中文全称跨域资源共享.它解决跨域问题的原理是通过向http的请求报文和响应报文里面加入相应的标识告诉
//--------------第一步//spring 5版本全局配置方式 @Configuration @EnableWebMvc public class SpringMvcBeans implements WebMvcConfigurer{ @Override public void addCorsMappings(CorsRegistry registry) { if(!AppWebConf.isPro()) { registry.addMapping("/**"); } We