正确解决spring cloud gateway跨域cors问题

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.reactive.CorsWebFilter;
import org.springframework.web.cors.reactive.UrlBasedCorsConfigurationSource;

@Configuration
public class CorsConfig {
    @Bean
    public CorsWebFilter corsWebFilter() {
        CorsConfiguration cfg = new CorsConfiguration();
        cfg.setAllowCredentials(true);
        cfg.addAllowedOrigin("*");
        cfg.addAllowedMethod("*");
        cfg.addAllowedHeader("*");
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**", cfg);
        return new CorsWebFilter(source);
    }
}