Springboot跨域处理

package com.ly.gateway.conf;
import org.springframework.boot.SpringBootConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

/**
 * @Author AnHui_XiaoYang
 * @Email [email protected]
 * @Date 2021/5/10 17:07
 * @Description
 */
@SpringBootConfiguration
public class WebGlobalConfig {

    @Bean
    public CorsFilter corsFilter() {

        //创建CorsConfiguration对象后添加配置
        CorsConfiguration config = new CorsConfiguration();
        //设置放行哪些原始域
        config.addAllowedOriginPattern("*");
        //放行哪些原始请求头部信息
        config.addAllowedHeader("*");
        //暴露哪些头部信息
        config.addExposedHeader("*");
        //放行哪些请求方式
        config.addAllowedMethod("GET");     //get
        config.addAllowedMethod("PUT");     //put
        config.addAllowedMethod("POST");    //post
        config.addAllowedMethod("DELETE");  //delete
        //corsConfig.addAllowedMethod("*");     //放行全部请求

        //是否发送Cookie
        config.setAllowCredentials(true);

        //2. 添加映射路径
        UrlBasedCorsConfigurationSource corsConfigurationSource =
                new UrlBasedCorsConfigurationSource();
        corsConfigurationSource.registerCorsConfiguration("/**", config);
        //返回CorsFilter
        return new CorsFilter(corsConfigurationSource);
    }
}