如何从MultipartHttpServletRequest对象获取文件的内容？ [英] How to get file contents from a MultipartHttpServletRequest object?

问题描述

我想使用此策略网页上传的文件。即的Ajax文件上传教程。这是怎么回事都很好，但问题是在服务器端，在这里我想打开此文件并阅读其内容。 我使用下面的签名被称为在表格的提交方式。 即

I would like to upload a file from the web page using this strategy. i.e. Ajax file upload tutorial . It is going all fine, but the issue is on the server side, where I want to open this file and read its contents. I am using the following signature for the method which is called on the submit of the form. i.e.

公共@ResponseBody字符串的getFile（MultipartHttpServletRequest要求）

任何机构可以请让我知道，我怎么能提取该文件的内容是什么？

Can any body please let me know that how can I extract the contents of the file?

推荐答案

MultipartHttpServletRequest延伸MultipartRequest，其中有用于访问文件的方法。

MultipartHttpServletRequest extends MultipartRequest, which has methods for accessing the files.

您可以这样做：

MultipartFile file = request.getFile(paramName);

请参阅<一href="http://docs.spring.io/spring-framework/docs/3.2.0.M1/api/org/springframework/web/multipart/MultipartRequest.html" rel="nofollow">http://docs.spring.io/spring-framework/docs/3.2.0.M1/api/org/springframework/web/multipart/MultipartRequest.html

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