如何从RequestContextHolder获取MultipartHttpServletRequest？ [英] How to get a MultipartHttpServletRequest from RequestContextHolder?

问题描述

我已将访问决策管理器配置为在servlet处理之前检查请求，关键行是： -

I have configured the access decision manager to check a request before being processed by the servlet the key line is:-

HttpServletRequest request = (HttpServletRequest) RequestContextHolder.currentRequestAttributes().getRequest(); 

一切都好。但是当请求是 enctype =multipart / form-data当<时，如何获取 MultipartHttpServletRequest code> RequestContextHolder.currentRequestAttributes（）。getRequest（）只返回 HttpServletRequest ？

All good. However when the request is enctype="multipart/form-data" how do I get hold of the MultipartHttpServletRequest when RequestContextHolder.currentRequestAttributes().getRequest() only returns HttpServletRequest?

我使用的是春天2.5。

I am using spring 2.5.

推荐答案

除了

<form method=<method> action=<url> enctype="multipart/form-data"></form>

你必须拥有

<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver" />

。

这是一个很好的教程相同的

Here is nice tutorial on the same

http ：//techdive.in/spring/spring-file-upload

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