上传显示405，不支持post？

29148 [http-nio-8080-exec-2] DEBUG org.springframework.web.servlet.DispatcherServlet  - Successfully completed request

57836 [http-nio-8080-exec-5] DEBUG org.springframework.web.servlet.DispatcherServlet  - DispatcherServlet with name 'mvc-dispatcher' processing POST request for [/spring-mvc-study0605/courses/upload]

57836 [http-nio-8080-exec-5] DEBUG org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping  - Looking up handler method for path /courses/upload

57844 [http-nio-8080-exec-5] DEBUG org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver  - Resolving exception from handler [null]: org.springframework.web.HttpRequestMethodNotSupportedException: Request method 'POST' not supported

57844 [http-nio-8080-exec-5] DEBUG org.springframework.web.servlet.mvc.annotation.ResponseStatusExceptionResolver  - Resolving exception from handler [null]: org.springframework.web.HttpRequestMethodNotSupportedException: Request method 'POST' not supported

57844 [http-nio-8080-exec-5] DEBUG org.springframework.web.servlet.mvc.support.DefaultHandlerExceptionResolver  - Resolving exception from handler [null]: org.springframework.web.HttpRequestMethodNotSupportedException: Request method 'POST' not supported

57844 [http-nio-8080-exec-5] WARN  org.springframework.web.servlet.PageNotFound  - Request method 'POST' not supported