SpringBoot开启跨域访问

package com.yunfeng.car;
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;
//配置过滤器，解决跨域问题
@Configuration
public class CorsConfig {
   private CorsConfiguration buildConfig() {
          CorsConfiguration corsConfiguration = new CorsConfiguration();
          corsConfiguration.addAllowedOrigin("*"); //允许任何域名使用
          corsConfiguration.addAllowedHeader("*"); //允许任何头
          corsConfiguration.addAllowedMethod("*"); //允许任何方法（post、get等）
          return corsConfiguration;
      }
      @Bean
      public CorsFilter corsFilter() {
          UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
          source.registerCorsConfiguration("/**", buildConfig());
          return new CorsFilter(source);
      }
}