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解决前后端跨域报错:has been blocked by CORS policy: No ‘Access

解决前后端跨域报错:has been blocked by CORS policy: No ‘Access

一、报错信 has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.

来自一个IP端口的页面(前端项目),要访问另一个IP端口的资源(springboot请求接口),会产生跨域访问。

二、解决方法:增加配置类CorsConfig @Configuration public class CorsConfig implements WebMvcConfigurer { @Override public void addCorsMappings(CorsRegistry registry){ registry.addMapping("/**") .allowedOriginPatterns("*") .allowedHeaders(CorsConfiguration.ALL) .allowedMethods(CorsConfiguration.ALL) .allowCredentials(true) .maxAge(3600); } }

本文标签: 报错后端blockedAccesspolicy