pom.xml에 아래 내용 추가 org.springframework.boot spring-boot-devtools runtime자동 build 설정: Project > Build Automatically 체크

import javax.imageio.ImageIO;import javax.imageio.ImageReader;import javax.imageio.stream.ImageInputStream;import java.io.File;import java.io.IOException;import java.util.Iterator;public class ImageTypeDetector { public static void main(String[] args) { String imagePath = "/path/to/your/image.jpg"; try { File imageFile = new File(imagePath); String formatNa..

StreamSpring bootimport org.springframework.core.io.Resource;import org.springframework.core.io.UrlResource;import org.springframework.http.HttpHeaders;import org.springframework.http.MediaType;import org.springframework.http.ResponseEntity;import org.springframework.web.bind.annotation.GetMapping;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.a..

Spring boot@RestController@RequestMapping("/api")public class ResourceController { @GetMapping("/resource-with-map") public ResponseEntity> getResourceWithMap() throws IOException { // Load the resource (example: an image) Path imagePath = Paths.get("/path/to/your/image.jpg"); Resource resource = new UrlResource(imagePath.toUri()); if (!resource.exists() || !res..

Spring bootimport org.springframework.core.io.Resource@RestController@RequestMapping("/images")public class ImageController { @GetMapping("/{imageName}") public ResponseEntity getImage(@PathVariable String imageName) throws IOException { Path imagePath = Paths.get("/path/to/your/private/images/" + imageName); Resource resource = new UrlResource(imagePath.toUri()); if (..

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