配置跨域问题JAVA

package com.hzdy.master.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

import java.util.Arrays;
import java.util.List;

@Configuration
@Order(Ordered.HIGHEST_PRECEDENCE)
public class WebMvcConfig implements WebMvcConfigurer {

    private final long MAX_AGE_SECS = 36000;

    // 不知为何这种方法无法实现跨域配置
    @Override
    public void addCorsMappings(CorsRegistry registry) {
        registry.addMapping("/**")
                .allowedOrigins("*")
                .allowedMethods("HEAD", "OPTIONS", "GET", "POST", "PUT", "PATCH", "DELETE")
                .maxAge(MAX_AGE_SECS);
    }

    // 添加cors过滤器,实现跨域
    @Bean
    public CorsFilter corsFilter() {
        System.out.println("配置跨域");
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**", addcorsConfig());
        return new CorsFilter(source);
    }

    private CorsConfiguration addcorsConfig() {
        CorsConfiguration corsConfiguration = new CorsConfiguration();
        corsConfiguration.setAllowedOrigins(Arrays.asList("*"));
        corsConfiguration.addAllowedHeader("*");
        corsConfiguration.addAllowedOrigin("*");
        corsConfiguration.addAllowedMethod("*");
        corsConfiguration.setAllowCredentials(true);
        return corsConfiguration;
    }

}