SpringBoot开发技巧之如何处理跨域请求CORS

/**
 * Spring Boot 2.0 解决跨域问题
 * @Author javadaily
 */
@Configuration
public class WebMvcConfiguration implements WebMvcConfigurer { 
 @Bean
 public CorsFilter corsFilter() {
  final UrlBasedCorsConfigurationSource urlBasedCorsConfigurationSource = new UrlBasedCorsConfigurationSource();
  final CorsConfiguration corsConfiguration = new CorsConfiguration();
  /* 是否允许请求带有验证信息 */
  corsConfiguration.setAllowCredentials(true);
  /* 允许访问的客户端域名 */
  corsConfiguration.addAllowedOrigin("*");
  /* 允许服务端访问的客户端请求头 */
  corsConfiguration.addAllowedHeader("*");
  /* 允许访问的方法名,GET POST等 */
  corsConfiguration.addAllowedMethod("*");
  urlBasedCorsConfigurationSource.registerCorsConfiguration("/**", corsConfiguration);
  return new CorsFilter(urlBasedCorsConfigurationSource);
 } 
}

public class CustomerCorsFilter extends CorsFilter {
     public CustomerCorsFilter() {
        super(configurationSource());
    }
     private static UrlBasedCorsConfigurationSource configurationSource() {
        // CORS授权
        CorsConfiguration config = new CorsConfiguration();
        config.setAllowCredentials(true);
        config.addAllowedOrigin("*");
        config.addAllowedHeader("*");
        config.addAllowedMethod("*");
        config.addExposedHeader(HttpHeaders.SET_COOKIE);
        config.setMaxAge(3600L);
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**", config);
                return source;
    } 
}

@Configuration
public class FilterConfig {
 
    @Bean
    public Filter authFilter(){
        return new AuthFilter();
    } 
    /**
     * WARNING ：跨域过滤器，注意执行顺序，必须要在AuthFilter过滤器之后
     * @return
     */
    @Bean
    public FilterRegistrationBean corsFilterRegistration() {
         FilterRegistrationBean registration = new FilterRegistrationBean();
        //添加过滤器
        registration.setFilter(new CustomerCorsFilter());
        List<String> urlList = new ArrayList<>();
        urlList.add("/*");
        //设置过滤路径，/*所有路径
        registration.setUrlPatterns(urlList);
        //添加默认参数
        registration.setName("CorsFilter");
        //设置优先级
        registration.setOrder(-1);
        return registration;
    } 
    @Bean
    public FilterRegistrationBean authFilterRegistration() {
         FilterRegistrationBean registration = new FilterRegistrationBean();
        //添加过滤器
        registration.setFilter(authFilter());
        List<String> urlList = new ArrayList<>();
        urlList.add("/*");
        //设置过滤路径，/*所有路径
        registration.setUrlPatterns(urlList);
        //添加默认参数
        registration.setName("authFilter");
        //设置优先级
        registration.setOrder(1);
        return registration;
    }
 
}