SpringBoot支持AJAX跨域请求

@SpringBootApplication
@ComponentScan
@EnableDiscoveryClient
public class ManagementApplication {

    public static void main(String[] args) {
        SpringApplication.run(ManagementApplication.class, args);
    }

    private CorsConfiguration buildConfig() {
        CorsConfiguration corsConfiguration = new CorsConfiguration();
        corsConfiguration.addAllowedOrigin("*");
        corsConfiguration.addAllowedHeader("*");
        corsConfiguration.addAllowedMethod("*");
        corsConfiguration.addExposedHeader(HttpHeaderConStant.X_TOTAL_COUNT);
        return corsConfiguration;
    }

    /**
     * 跨域过滤器
     *
     * @return
     */
    @Bean
    public CorsFilter corsFilter() {
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**", buildConfig()); // 4
        return new CorsFilter(source);
    }
}