Download multiple files spring mvc






















We need to run init method of FilesStorageService and also deleteAll if necessary. Run Spring Boot application with command: mvn spring-boot:run.

Refresh the project directory and you will see uploads folder inside it. For value column, choose several files from your PC. You can find the complete source code for this tutorial on Github. What if I want to have 2 files for 1 object? Your email address will not be published. This will map the submitted files to the List object correctly. I would suggest you to go through this tutorial to understand how Spring maps multiple entries from form to bean: Multiple Row Form Submit using List of Beans.

Second view page is to display filename of uploaded file. It simply loops through filename list and display the names. In Spring configuration spring-servlet. Note how we defined bean multipartResolver. This will make sure Spring handles the file upload correctly using CommonsMultipartResolver class. Select files through file dialog and press Upload button to upload.

Following page will displayed with list of files being uploaded. We have added a small Javascript snippet for Add button. This will add more file upload components to the page. I can have files bigger than 1 Go, so downloading the files into a repository, zipping them and sending them to the client would be too long. Considering that the big file are already zip, zipping won't compress them.

I saw here and there that you can use multipart-response to download multiple files at once, but I can't get any result. Here is my code:. The weird part is that I get different result depending on the navigator. Nothing happends in Chrome looked at the console and in Firefox, I got a prompt asking to download for each file but it doesn't have the right type nor the right name nothing in console either.

The content of this file is what I want, but why can't I get the right name and why can't chrome download anything? You can add this like response.

You can check out this example for reference. Another approach is to create a REST end point that will let you download one single file and then repeatedly call this end point for each file individually. How are we doing? Please help us improve Stack Overflow.

Take our short survey. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow.

Privacy policy. Guest Posts. Secure Hash Algorithms. Best Way to Learn Java. How to Start New Blog. Spring MVC. To build this example, I have written this domain class. Spring MVC multi-file upload controller In controller class, we will get pre-populated details of uploaded files in domain class. Spring MVC configuration changes To support multipart request , we will need to declare multipartResolver bean in configuration file. Happy Learning!! Was this post helpful? Let us know if you liked the post.



0コメント

  • 1000 / 1000