解决 SpringBoot 跨域请求问题

package com.xrh.demo;

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

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;

/**
 * 
 * 全局跨域配置
 * 
 */
@Configuration
public class GlobalCorsConfig {

    /**
     * 
     * 允许跨域调用的过滤器
     * 
     */
    @Bean
    public CorsFilter corsFilter() {

        CorsConfiguration config = new CorsConfiguration();

        //允许跨越发送cookie
        config.setAllowCredentials(true);
                
        //允许所有域名进行跨域调用
        List<String> list = new ArrayList<>();
        list.add("*");
        config.setAllowedOriginPatterns(list);

        //放行全部原始头信息
        config.addAllowedHeader("*");

        //允许所有请求方法跨域调用
        config.addAllowedMethod("*");

        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();

        source.registerCorsConfiguration("/**", config);

        return new CorsFilter(source);

    }

}