Java 如何从 MultipartHttpServletRequest 对象获取文件内容?

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时间:2020-08-13 03:30:52  来源:igfitidea点击:

How to get file contents from a MultipartHttpServletRequest object?

javaajaxiframefile-upload

提问by Ch Faizan Mustansar

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.

我想使用此策略从网页上传文件。即Ajax 文件上传教程。一切顺利,但问题出在服务器端,我想在其中打开此文件并读取其内容。我对提交表单时调用的方法使用以下签名。IE

public @ResponseBody String getFile(MultipartHttpServletRequest request)

public @ResponseBody String getFile(MultipartHttpServletRequest request)

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

任何机构都可以让我知道如何提取文件的内容?

采纳答案by Pieter

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

MultipartHttpServletRequest 扩展了 MultipartRequest,它具有访问文件的方法。

You can do this:

你可以这样做:

MultipartFile file = request.getFile(paramName);

See http://docs.spring.io/spring-framework/docs/3.2.0.M1/api/org/springframework/web/multipart/MultipartRequest.html

http://docs.spring.io/spring-framework/docs/3.2.0.M1/api/org/springframework/web/multipart/MultipartRequest.html