@EnableWebMvc WebMvcConfigurer
Spring注解@EnableWebMvc使用坑点解析
https://blog.csdn.net/zxc123e/article/details/84636521
@EnableWebMvc,WebMvcConfigurationSupport,WebMvcConfigurer和WebMvcConfigurationAdapter区别
https://www.cnblogs.com/sufferingStriver/p/9026764.html
Spring Boot配置接口 WebMvcConfigurer
https://blog.csdn.net/fmwind/article/details/81235401