常用跨域配置

@Bean
public CorsFilter corsFilter() {
   CorsConfiguration config = new CorsConfiguration();
   config.setAllowCredentials(true);
   config.addAllowedOrigin("*");
   config.addAllowedHeader("*");
   config.setMaxAge(18000L);
   config.addAllowedMethod("*");
   UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
   source.registerCorsConfiguration("/**", config);
   return new CorsFilter(source);
}