package com.nq.config;

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;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

@Configuration
    public class MyCorsFilter  {

    /*@Override
    public void addCorsMappings(CorsRegistry corsRegistry){
        *//**
         * 所有请求都允许跨域，使用这种配置就不需要
         * 在 interceptor 中配置 header 了
         *//*
        corsRegistry.addMapping("/*")
                //是否发送Cookie
                .allowCredentials(true)
                .allowedOrigins("*")
                .allowedHeaders("*")
                .allowedMethods("*");
    }*/
        private CorsConfiguration corsConfig(){
            CorsConfiguration corsConfiguration = new CorsConfiguration();
            corsConfiguration.addAllowedHeader("*");
            corsConfiguration.addAllowedMethod("*");
            corsConfiguration.addAllowedOrigin("*");
            corsConfiguration.setMaxAge(3600L);
            corsConfiguration.setAllowCredentials(true);
            return corsConfiguration;
        }
        @Bean
        public CorsFilter corsFilter(){
            UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
            source.registerCorsConfiguration("/**",corsConfig());
            return new CorsFilter(source);
        }

}