[springboot中mvc常用配置] #springboot #spring-mvc

WebMvcConfiguration.java

@Configuration
public class WebMvcConfiguration extends WebMvcConfigurerAdapter {
    
    /**
    * 跨域配置
    */
    @Override
    public void addCorsMappings(CorsRegistry registry) {
        registry.addMapping("/**")
                .allowedHeaders("*")
                .exposedHeaders("user,x-auth-token") //在请求头里指定需要的属性
                .allowedOrigins("*")
                .allowedMethods("GET", "HEAD", "POST","PUT", "DELETE", "OPTIONS")
                .allowCredentials(false).maxAge(3600);
    }
    
    /**
     * 另一种跨域配置
     */
	@SuppressWarnings("unchecked")
    @Bean
    public FilterRegistrationBean corsFilter() {
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        CorsConfiguration corsConfiguration = new CorsConfiguration();
        corsConfiguration.setAllowCredentials(true);
        corsConfiguration.setAllowedOrigins(Arrays.asList(CorsConfiguration.ALL));
        corsConfiguration.setAllowedHeaders(Arrays.asList(CorsConfiguration.ALL));
        corsConfiguration.setAllowedMethods(Arrays.asList(CorsConfiguration.ALL));
        source.registerCorsConfiguration("/**", corsConfiguration);
        FilterRegistrationBean bean = new FilterRegistrationBean(new CorsFilter(source));
        bean.setOrder(Ordered.HIGHEST_PRECEDENCE);
        return bean;
    }
  
    /**
    * 注册自定义的请求拦截器
    */
    @Override
    public void addInterceptors(InterceptorRegistry registry) {

    }
    
    /**
    * 响应结果的内容编码
    */
    @Bean
    public HttpMessageConverter<String> responseBodyConverter() {
        StringHttpMessageConverter converter = new StringHttpMessageConverter(
                Charset.forName("UTF-8"));
        return converter;
    }

    @Override
    public void configureMessageConverters(
            List<HttpMessageConverter<?>> converters) {
        super.configureMessageConverters(converters);
        converters.add(responseBodyConverter());
    }

    @Override
    public void configureContentNegotiation(
            ContentNegotiationConfigurer configurer) {
        configurer.favorPathExtension(false);
    }
}