Spring Boot安全性请求的资源错误上没有'Access-Control-Allow-Origin‘标头

@Configuration
public class CorsConfig {

    @Bean
    public CorsConfigurationSource corsConfigurationSource() {
        CorsConfiguration configuration = new CorsConfiguration();
        configuration.addAllowedOrigin("*"); // 允许所有域名访问，也可以指定特定的域名
        configuration.addAllowedMethod("*"); // 允许所有HTTP方法
        configuration.addAllowedHeader("*"); // 允许所有请求头
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**", configuration);
        return source;
    }
}

@SpringBootApplication
@EnableWebMvc
public class YourApplication {

    public static void main(String[] args) {
        SpringApplication.run(YourApplication.class, args);
    }
}