package com.rock.geological.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;

@Configuration
public class WebConfig {
    private CorsConfiguration buildConfig() {
        CorsConfiguration corsConfiguration = new CorsConfiguration();
        // 1允许服务端访问
        corsConfiguration.addAllowedOrigin("*");
        // 1.1允许本地访问
        corsConfiguration.addAllowedOrigin("http://localhost:4200");
        // 2允许任何头
        corsConfiguration.addAllowedHeader("*");
        // 3允许任何方法（post、get等）
        corsConfiguration.addAllowedMethod("*");
        // 4 允许withCredentials报文头
        corsConfiguration.setAllowCredentials(true);
        return corsConfiguration;
    }

    @Bean
    public CorsFilter corsFilter() {
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**", buildConfig());
        return new CorsFilter(source);
    }
}