“spring.mvc.static-path-pattern”用于阐述HTTP请求地址，而“spring.resources.static-locations”则用于描述静态资源的存放位置。

使用velocity框架，访问.vm模板的路径设置，解决访问白页问题。

Whitelabel Error Page

This application has no explicit mapping for /error, so you are seeing this as a fallback.

Mon Dec 24 10:53:56 CST 2018

There was an unexpected error (type=Internal Server Error, status=500).

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx.

注意最后一句，这句话是各种各样错误原因。

String fileDir=MytoutiaoApplication.class.getResource("/templates").getPath();
Properties properties=new Properties();
VelocityEngine velocityEngine=new VelocityEngine();
properties.setProperty(velocityEngine.FILE_RESOURCE_LOADER_PATH, fileDir);
velocityEngine.init();
		
//获取模板对象
Template template=velocityEngine.getTemplate("news.vm");
VelocityContext context=new VelocityContext();
context.put("name", "GY");
		
StringWriter sWriter=new StringWriter();
template.merge(context, sWriter);
		
return sWriter.toString();

详情请看：https://www.jianshu.com/p/bd5e55656dc7