gzw19961018的博客

Student类 public class Student { private final int id ; private final int grade ; private final int gender ; private final String name ; public static class Builder{ private final String name; private final int i

WebMvcConfigurerAdaptor 已经过时. 现在需要implement WebMvcConfigurer @Configuration @EnableWebMvc public class WebApp implements WebMvcConfigurer { @Override public void configureMessageConverters(List<HttpMessageConverter<?>> converter...