springboot2.0以后WebMvcConfigurationSupport代替WebMvcConfigurationAdapter

1：WebMvcConfigurationSupport代替WebMvcConfigurationAdapter

https://blog.csdn.net/wilsonsong1024/article/details/80176285 

2：具体方法的实现
https://blog.csdn.net/wilsonsong1024/article/details/80176285