springMVC 文件上传转换出错解决:
MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest)request;
这一句会报错:ApplicationHttpRequest cannot be cast to MultipartHttpServletRequest
那就通过这种方式:
MultipartResolver resolver = new CommonsMultipartResolver(request.getSession().getServletContext());
MultipartHttpServletRequest multipartRequest = resolver.resolveMultipart(request);
参考:http://www.cnblogs.com/cuyt/archive/2012/11/09/2763207.html