解决跨域

package com.zzc.gateway.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.reactive.CorsConfigurationSource;
import org.springframework.web.cors.reactive.CorsWebFilter;
import org.springframework.web.cors.reactive.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;
import org.springframework.web.servlet.config.annotation.CorsRegistry;


//解决跨域问题
@Configuration
public class CrossConfig {

    @Bean
    public CorsWebFilter getCorsWebFilter() {
        //基于url跨域，选择reactive包下的
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        //跨域配置信息
        CorsConfiguration corsConfiguration = new CorsConfiguration();
        //允许跨域的头
        corsConfiguration.addAllowedHeader("*");
        //允许跨域的请求方式
        corsConfiguration.addAllowedMethod("*");
        //允许跨域的请求来源
        corsConfiguration.addAllowedOrigin("*");
        //是否允许携带cookie跨域
        corsConfiguration.setAllowCredentials(true);
        //所有请求都进行跨域配置
        source.registerCorsConfiguration("/**",corsConfiguration);
        CorsWebFilter corsWebFilter = new CorsWebFilter(source);
        return corsWebFilter;
    }

}