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This article mainly shows you "Spring MVC how to get HttpServletRequest and HttpServletResponse", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "Spring MVC how to get HttpServletRequest and HttpServletResponse" this article.

Get HttpServletRequest and HttpServletResponse

In some cases, you need to get the HttpServletRequest or HttpServletResponse object directly in the processor method. In Spring's flexible framework, you only need to add a relevant parameter to the processor method to accomplish this task. Such as:

RequestMapping ("/ download") publicStringdoDownloadFile (HttpServletRequest request, HttpServletResponse response) {/ / access the request / / access the response return "DownloadPage";}

Spring supports detection and automatic injection of HttpServletRequest and HttpServletResponse objects into methods. This allows you to get the request and response directly, such as getting InputStream, OutputStream, or returning a specific HTTP code.

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