WebConfig.java 文件源码

/**
 * Setup a simple strategy: use all the defaults and return JSON by default when not sure.
 */
@Override
public void configureContentNegotiation(ContentNegotiationConfigurer configurer) {
    configurer.defaultContentType(MediaType.APPLICATION_JSON_UTF8).
            mediaType("xml", MediaType.APPLICATION_JSON_UTF8).
            mediaType("json", MediaType.APPLICATION_JSON);
}