springboot解决跨域

package cn.kongwg.es.config;

import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

/**
 * @author kongwg
 * @create 2021-04-02 20:55
 */
@Configuration
public class MyWebConfig implements WebMvcConfigurer {
    @Override
    public void addCorsMappings(CorsRegistry registry) {
        registry.addMapping("/**")
                .allowedHeaders("*")
                .allowedMethods("*")
                .allowCredentials(true)
                .allowedOrigins("http://localhost:8081")
                .maxAge(2000);
    }
}