springboot配置允许跨域访问代码实例

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;
/**
 * 
 * Create on 2017年7月6日下午8:05:19
 * All right reserved
 */
@Configuration
public class CorsConfig {
  private CorsConfiguration buildConfig() {
    CorsConfiguration corsConfiguration = new CorsConfiguration();
    corsConfiguration.addAllowedOrigin("*"); //允许任何域名
    corsConfiguration.addAllowedHeader("*"); //允许任何头
    corsConfiguration.addAllowedMethod("*"); //允许任何方法
    return corsConfiguration;
  }
 
  @Bean
  public CorsFilter corsFilter() {
    UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
    source.registerCorsConfiguration("/**", buildConfig()); //注册
    return new CorsFilter(source);
  }
}