在Spring Boot中上传PDF文件的步骤如下：
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-rest</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-validation</artifactId>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-io</artifactId>
<version>1.3.2</version>
</dependency>
@RestController
public class FileUploadController {
@PostMapping("/upload")
public ResponseEntity<String> uploadFile(@RequestParam("file") MultipartFile file) {
try {
// 保存文件到指定路径
File newFile = new File("uploads/" + file.getOriginalFilename());
file.transferTo(newFile);
return ResponseEntity.ok("File uploaded successfully");
} catch (IOException e) {
e.printStackTrace();
return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("Error uploading file");
}
}
}
spring.servlet.multipart.max-file-size=10MB
spring.servlet.multipart.max-request-size=10MB
<!DOCTYPE html>
<html>
<head>
<title>File Upload</title>
</head>
<body>
<h1>Upload a PDF file</h1>
<form method="post" action="/upload" enctype="multipart/form-data">
<input type="file" name="file">
<button type="submit">Upload</button>
</form>
</body>
</html>
以上就是在Spring Boot中上传PDF文件的步骤，希望对你有所帮助。