@EnableWebSecurity public class WebSecurityConfig extends WebSecurityConfigurerAdapter { @Override protected void configure(HttpSecurity http) throws Exception { http.cors().and()... } }@Controller @CrossOrigin(origins = "http://localhost:3000") public class MyController { }@Bean public CorsFilter corsFilter() { UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource(); CorsConfiguration corsConfiguration = new CorsConfiguration(); corsConfiguration.setAllowCredentials(true); corsConfiguration.setAllowedOrigins(Arrays.asList("http://localhost:4200")); corsConfiguration.setAllowedMethods(Arrays.asList(CorsConfiguration.ALL)); corsConfiguration.setAllowedHeaders(Arrays.asList(CorsConfiguration.ALL)); source.registerCorsConfiguration("/**", corsConfiguration); return new CorsFilter(source); }package com.example.restservicecors; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.context.annotation.Bean; import org.springframework.web.servlet.config.annotation.CorsRegistry; import org.springframework.web.servlet.config.annotation.WebMvcConfigurer; @SpringBootApplication public class RestServiceCorsApplication { public static void main(String[] args) { SpringApplication.run(RestServiceCorsApplication.class, args); } @Bean public WebMvcConfigurer corsConfigurer() { return new WebMvcConfigurer() { @Override public void addCorsMappings(CorsRegistry registry) { registry.addMapping("/greeting-javaconfig").allowedOrigins("http://localhost:8080"); } }; } }COPYpublic WebMvcConfigurer corsConfigurer() { return new WebMvcConfigurer() { @Override public void addCorsMappings(CorsRegistry registry) { registry.addMapping("/greeting-javaconfig").allowedOrigins("http://localhost:8080"); } }; }COPY@Configuration @EnableWebMvc public class WebConfig implements WebMvcConfigurer { @Override public void addCorsMappings(CorsRegistry registry) { registry.addMapping("/**"); } }@CrossOrigin