In this tutorial, you will learn to build an example to upload multiple files in Spring Boot with MultipartFile
What you'll build
What you'll need
- JDK 8+ or OpenJDK 8+
- Maven 3+
Stack
- Java
- Spring Boot
- Freemarker
Init project structure and dependencies
Project structure
├── src
│ └── main
│ ├── java
│ │ └── com
│ │ └── hellokoding
│ │ └── uploadingfiles
│ │ ├── Application.java
│ │ └── UploadingController.java
│ ├── resources
│ │ └── application.properties
│ └── webapp
│ └── uploading.ftl
└── pom.xml
Project dependencies
Define Controller and View Template
Uploading Controller
View Template
<form name="uploadingForm" enctype="multipart/form-data" action="/" method="POST">
action="/" and method="POST" map with uploadingPost() of UploadingController, enctype="multipart/form-data" works with MultipartFile.
Config and Run
Application Configurations
new File(UploadingController.uploadingdir).mkdirs(); makes a directory for uploading files if not exists.
Run with Maven
Type the below command at the project root directory
mvn spring-boot:run