import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

import org.springframework.web.cors.CorsConfiguration;

import org.springframework.web.cors.reactive.CorsWebFilter;

import org.springframework.web.cors.reactive.UrlBasedCorsConfigurationSource;

/**

 * @author .

 */

@Configuration

public class CorsConfig {

    @Bean

    public CorsWebFilter corsWebFilter(){

        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();

        CorsConfiguration corsConfiguration = new CorsConfiguration();

        //1、配置跨域

        //允许哪些头进行跨域

        corsConfiguration.addAllowedHeader("*");

        //允许哪些请求方式进行跨域

        corsConfiguration.addAllowedMethod("*");

        //允许哪些请求来源进行跨域

        corsConfiguration.addAllowedOrigin("*");

        //是否允许携带cookie进行跨域，否则跨域请求会丢失cookie信息

        corsConfiguration.setAllowCredentials(true);

        source.registerCorsConfiguration("/**",corsConfiguration);

        return new CorsWebFilter(source);

    }

}