content: package nuc.bysjxtglxt.configure;
  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;
  
  /**
   * 处理跨域问题
   */
  @Configuration
  public class CorsConfig {
      private CorsConfiguration buildConfig() {
          CorsConfiguration corsConfiguration = new CorsConfiguration();
          corsConfiguration.addAllowedOrigin("*"); // 1 设置访问源地址
          corsConfiguration.addAllowedHeader("*"); // 2 设置访问源请求头
          corsConfiguration.addAllowedMethod("*"); // 3 设置访问源请求方法post,get,put,options,delete
          corsConfiguration.setAllowCredentials(true);// 4 允许跨域携带cookie
          corsConfiguration.setMaxAge((long) 1209600);
          return corsConfiguration;
      }
  
      @Bean
      public CorsFilter corsFilter() {
          UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
          source.registerCorsConfiguration("/**", buildConfig()); // 5 对接口配置跨域设置
          return new CorsFilter(source);
      }
  }
  