SpringCloud - Zuul（五）

package com.imooc.apigateway.config;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;
import java.util.Arrays;
/**
 * 跨域配置
 * C - Cross  O - Origin  R - Resource  S - Sharing
 */
@Configuration
public class CorsConfig {
  @Bean
  public CorsFilter corsFilter() {
    final UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
    final CorsConfiguration config = new CorsConfiguration();
    config.setAllowCredentials(true);
    config.setAllowedOrigins(Arrays.asList("*")); //http:www.a.com
    config.setAllowedHeaders(Arrays.asList("*"));
    config.setAllowedMethods(Arrays.asList("*"));
    config.setMaxAge(300l);
    source.registerCorsConfiguration("/**", config);
    return new CorsFilter(source);
  }
}