gateway/src/main/java/com/txz/project/GatewayApplication.java

package com.txz.project;

import cn.hutool.core.util.StrUtil;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.openfeign.EnableFeignClients;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Primary;
import org.springframework.stereotype.Component;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.reactive.CorsWebFilter;
import org.springframework.web.cors.reactive.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

import java.util.ArrayList;
import java.util.List;


//@EnableZuulProxy
@EnableDiscoveryClient
@SpringBootApplication
@EnableFeignClients
public class GatewayApplication extends SpringBootServletInitializer {

    @Value("${swagger.resource}")
    private String        swaggerResource;

    @Override
    protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
        return application.sources(GatewayApplication.class);
    }

    public static void main(String[] args) throws Exception {
        SpringApplication.run(GatewayApplication.class, args);
    }

    @Bean
    public CorsWebFilter corsWebFilter() {
        CorsConfiguration config = new CorsConfiguration();
        config.setAllowCredentials(true);
        config.addAllowedOriginPattern("*");
        config.addAllowedHeader("*");
        config.setMaxAge(18000L);
        config.addAllowedMethod("*");

        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**", config);

        return new CorsWebFilter(source);
    }

    // @Bean
    // public CorsFilter corsFilter() {
    //     final UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
    //     final CorsConfiguration config = new CorsConfiguration();
    //     config.setAllowCredentials(true);
    //     config.addAllowedOriginPattern("*");
    //     config.addAllowedHeader("*");
    //     config.setMaxAge(18000L);
    //     config.addAllowedMethod("*");
    //     config.addAllowedMethod("HEAD");
    //     config.addAllowedMethod("GET");
    //     config.addAllowedMethod("PUT");
    //     config.addAllowedMethod("POST");
    //     config.addAllowedMethod("DELETE");
    //     config.addAllowedMethod("PATCH");
    //     source.registerCorsConfiguration("/**", config);
    //     return new CorsFilter(source);
    // }
}