Error resolving template [department/upload], template might not exist or might not be accessible by

1，请求报错

"Error resolving template [department/upload], template might not exist or might not be accessible by any of the configured Template Resolvers

错误可能：

类上面是@Controller，方法上面没有@ResponseBody

解决：类上面用@RestController或者，方法上添加@ResponseBody