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Load Image With Spring Boot and Thymeleaf (#12486) 

* Load Image With Spring Boot and Thymeleaf

* Load Image With Spring Boot and Thymeleaf
This commit is contained in:
ACHRAF TAITAI 2022-08-04 10:49:11 +02:00 committed by GitHub
parent 81b05fb3ac
commit d24f73002a
3 changed files with 59 additions and 1 deletions
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31
spring-web-modules/spring-thymeleaf-5/src/main/java/com/baeldung/thymeleaf/imageupload/UploadController.java Normal file
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package com.baeldung.thymeleaf.imageupload;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.MultipartFile;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
@Controller public class UploadController {
public static String UPLOAD_DIRECTORY = System.getProperty("user.dir") + "/uploads";
@GetMapping("/uploadimage") public String displayUploadForm() {
return "imageupload/index";
}
@PostMapping("/upload") public String uploadImage(Model model, @RequestParam("image") MultipartFile file) throws IOException {
StringBuilder fileNames = new StringBuilder();
Path fileNameAndPath = Paths.get(UPLOAD_DIRECTORY, file.getOriginalFilename());
fileNames.append(file.getOriginalFilename());
Files.write(fileNameAndPath, file.getBytes());
model.addAttribute("msg", "Uploaded images: " + fileNames.toString());
return "imageupload/index";
}
}

4
spring-web-modules/spring-thymeleaf-5/src/main/resources/application.properties
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#spring.thymeleaf.prefix=classpath:/templates-2/
#spring.thymeleaf.prefix=classpath:/templates-2/
spring.servlet.multipart.max-file-size = 5MB
spring.servlet.multipart.max-request-size = 5MB

25
spring-web-modules/spring-thymeleaf-5/src/main/resources/templates/imageupload/index.html Normal file
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<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
</head>
<body>
<section class="my-5">
<div class="container">
<div class="row">
<div class="col-md-8 mx-auto">
<h2>Upload Image Example</h2>
<p th:text="${message}" th:if="${message ne null}" class="alert alert-primary"></p>
<form method="post" th:action="@{/upload}" enctype="multipart/form-data">
<div class="form-group">
<input type="file" name="image" accept="image/*" class="form-control-file">
</div>
<button type="submit" class="btn btn-primary">Upload image</button>
</form>
<span th:if="${msg != null}" th:text="${msg}"></span>
</div>
</div>
</div>
</section>
</body>
</html>