java架构师

package com.zb.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 CorsConfig {
    public CorsConfig() {

    }

    @Bean
    public CorsFilter corsFilter() {
        // 1、添加cors配置信息
        CorsConfiguration config = new CorsConfiguration();

        // http://localhost:8080 为前端发起接口的地址
        config.addAllowedOrigin("http://localhost:8080");

        // 设置是否发送cookie信息
        config.setAllowCredentials(true);

        config.addAllowedMethod("*");

        config.addAllowedHeader("*");

        // 2、为url添加映射路径
        UrlBasedCorsConfigurationSource corsSource = new UrlBasedCorsConfigurationSource();
        corsSource.registerCorsConfiguration("/**", config);

        // 3、返回重新设定好的corsSource
        return new CorsFilter(corsSource);
    }
}