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1. Spring Mvc Download
2. Download Excel File Using Spring Mvc
3. Spring Mvc Download Excel File Test
4. Spring Mvc Download File
5. Spring Mvc Download Excel File Controller Example

HowToDoInJava

1. Jun 25, 2019  In this article, we are going to show you how to implement file download functionality in a Spring MVC application. The solution is similar to the one described in the article: Send files from servlet to client for downloading, but is implemented in a Spring MVC application. The following picture depicts workflow of the sample application we are going to build.
2. In the tutorial, we show you how to create a SpringBoot RestAPIs application that uses Spring JPA to get data from MySQL records and uses Apache POI library to write data to a Excel file. Related posts: – Java – How to read/write Excel file with Apache POI – How to use Spring JPA MySQL Continue reading 'Excel File – Download from SpringBoot RestAPI + Apache POI + MySQL'.

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Nov 06, 2018  In this article, we will demonstrate how to upload Excel files and display their content in a web page using the Spring MVC framework. Uploading Excel Files. In order to be able to upload files, we will first create a controller mapping that receives a MultipartFile and saves it in the current location.

Lokesh Gupta Filed Under: Spring MVC

In Spring MVC application, to download a resource such as a file to the browser, you need to do the following in your controller.

1. Use the void return type for your request-handling method and add HttpServletResponse as an argument to the method.
2. Set the response’s content type to the file’s content type. If you do not know what the content type is or want the browser to always display the Save As dialog, set it to APPLICATION/OCTET-STREAM(NOT case sensitive).
3. Add an HTTP response header named Content-Disposition and give it the value attachment; filename=fileName, where fileName is the default file name that should appear in the File Download dialog box.

1. Sping MVC File Download Controller

Let’s look at an example implementation for file download controller.

If you want to enable downloads for only authorized users then check the user’s logged in status first in the method, and then allow download otherwise redirect him to login screen.

Now if you hit the application URL : http://localhost:8080/springmvcexample/download/pdf/sample.pdf, you will be able to get the Save As dialog box in your browser like below:

The file is placed inside folder “/WEB-INF/downloads/pdf”. You are free to change the path – make sure you change the controller code as well.

2. Prevent Cross-Referencing of File Downloads

Many times, other websites may cross reference your files in their websites as direct links. You may not want to allow it. To disallow all download requests, coming from other domains, you can check if the refererGame gta vice city free download pc. header contains your domain name.

Our modified FileDownloadController will send files to the browser, only if the referer header is not null. This will prevent the images from being downloaded directly by typing their URLs in the browser or request coming from other domains.

Now if you try to hit the URL from browser directly, you will get this error:

Drop me your questions in comments section.

Happy Learning !!

Spring Mvc Download

I can not manage to download an excel file from the browser even though there is no error here in my controller method.

I got the information request from firebug.

and content of response

So I do not know what to do, I want the browser gives me the choice to sauvgader the file in a folder.

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Download Excel File Using Spring Mvc

thank you

2 Answers

A bit late to the party but..

I'm guessing the error is in this line:

try changing 'attachment' to 'inline' like this:

Spring Mvc Download Excel File Test

JMBJMB

So I do not know what to do, I want the browser gives me the choice to save the file in a folder.

Spring Mvc Download File

Very late to the party but..I was in the same situation: server creates the excel, the response to browser is ok, but the dialog does not appear.

The problem is that I'm doing an Ajax call.If I call the excel url in a new browser window, I can download it by the 'save as' dialog.

So I created a hidden <a> element in the html, with the download html5 attribute.Then, in the ajax callback I set the href attribute of the tag <a>Finally I call the click() function to fire the download.

Something like this:

and in the html

Hope this helps.

ps: this dirty solution works for me, but if someone can show if there is a better solution to fire the 'save as' dialog without a hidden html element, I'll be happy.

Jee Mok

Spring Mvc Download Excel File Controller Example

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