跨域配置文件

@SuppressWarnings("deprecation")
@Configuration
public class CrossConfiguration extends WebMvcConfigurerAdapter {
    @Bean
    public WebMvcConfigurer corsConfigurer() {
        return new WebMvcConfigurerAdapter() {
            @Override
            public void addCorsMappings(CorsRegistry registry) {
                registry.addMapping("/**");
            }
        };

    }
}