解决React 访问Spring Boot服务跨域问题

环境：Spring Boot 2.0.5

1、错误提示

has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.

2、配置

/**
 * 跨域请求
 */
@Configuration
@EnableWebMvc
public class CorsConfig implements WebMvcConfigurer {

    @Override
    public void addCorsMappings(CorsRegistry registry) {
        //设置允许跨域的路径
        registry.addMapping("/**")
                //设置允许跨域请求的域名
                .allowedOrigins("*")
                //是否允许证书 不再默认开启
                .allowCredentials(true)
                //设置允许的方法
                .allowedMethods("*")
                //跨域允许时间
                .maxAge(3600);
    }
}