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You can obtain the MultipartRequestWrapper from the ServletActionContext or by utilizing the fileUpload interceptor. The fileUpload interceptor is preferred.
![]() | See the file upload page for more examples and advanced configuration |
The MultipartRequestWrapper provideds access methods such as getFiles, getFile, getContentType, hasErrors, getErrors, and so forth, so that you can process the file uploaded.
_Preferred_
When multiple files are uploaded by a form, the files are represented by an array.
Given:
The Action class can define file handling methods that accept an array.
The uploaded files can be handled by iterating through the appropriate array.
Property | Default |
---|---|
struts.multipart.parser | Commons FileUpload |
struts.multipart.saveDir | javax.servlet.context.tempdir as defined by container |
struts.multipart.maxSize | Approximately 2M |
@see struts.properties
@see org.apache.struts2.dispatcher.FilterDispatcher#doFilter(SerlvetRequest, ServletRepsonse, FilterChain)
@see org.apache.struts2.dispatcher.DispatcherUtil#wrapRequest(HttpServletRequest, SerlvetContext)
@see org.apache.struts2.dispatcher.multipart.MultipartRequestWrapper
@see org.apache.struts2.interceptor.FileUploadInterceptor