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在Spring Boot中上传PDF文件的步骤如下:
- 添加文件上传的依赖:在pom.xml文件中添加以下依赖:
<dependency> <groupId>org.springframework.bootgroupId> <artifactId>spring-boot-starter-webartifactId> dependency> <dependency> <groupId>org.springframework.bootgroupId> <artifactId>spring-boot-starter-data-jpaartifactId> dependency> <dependency> <groupId>org.springframework.bootgroupId> <artifactId>spring-boot-starter-data-restartifactId> dependency> <dependency> <groupId>org.springframework.bootgroupId> <artifactId>spring-boot-starter-validationartifactId> dependency> <dependency> <groupId>org.apache.commonsgroupId> <artifactId>commons-ioartifactId> <version>1.3.2version> dependency>
- 创建文件上传的Controller:创建一个Controller类,并添加文件上传的接口,如下:
@RestController public class FileUploadController { @PostMapping("/upload") public ResponseEntity 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"); } } }
- 配置文件上传的属性:在application.properties或application.yml文件中添加文件上传的配置:
spring.servlet.multipart.max-file-size=10MB spring.servlet.multipart.max-request-size=10MB
- 创建一个文件上传的HTML页面:创建一个包含文件上传表单的HTML页面,如下:
html> <html> <head> <title>File Uploadtitle> head> <body> <h1>Upload a PDF fileh1> <form method="post" action="/upload" enctype="multipart/form-data"> <input type="file" name="file"> <button type="submit">Uploadbutton> form> body> html>
- 启动应用程序并访问文件上传页面:启动Spring Boot应用程序,并访问文件上传页面,选择一个PDF文件上传即可。
以上就是在Spring Boot中上传PDF文件的步骤,希望对你有所帮助。