springboot跨域解决方案

@Bean
    public CorsFilter corsFilter() {
        CorsConfiguration config = new CorsConfiguration();
        config.addAllowedOriginPattern("*");
        config.setAllowCredentials(true);
        config.addAllowedMethod("OPTIONS");
        config.addAllowedMethod("HEAD");
        config.addAllowedMethod("GET");
        config.addAllowedMethod("PUT");
        config.addAllowedMethod("POST");
        config.addAllowedMethod("DELETE");
        config.addAllowedMethod("PATCH");
        config.addAllowedHeader("*");
        UrlBasedCorsConfigurationSource configSource = new UrlBasedCorsConfigurationSource();
        configSource.registerCorsConfiguration("/**", config);

        return new CorsFilter(configSource);
    }

 nginx解决方案

add_header 'Access-Control-Allow-Origin' *;    
        add_header 'Access-Control-Allow-Credentials' 'true';
        add_header 'Access-Control-Allow-Methods' *;
        add_header 'Access-Control-Allow-Headers' *;
        
    # 如果是OPTIONS请求，直接返回204状态码  
    if ($request_method = 'OPTIONS') {  
        return 204;  
    }