springboot 文件上传

Posted on 2022-04-13 In 框架 Views:

一.yml

spring:
  servlet:
    multipart:
      max-file-size: 2MB
      max-request-size: 2MB

二.upload.html

<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8" />
    <title>文件上传页面</title>
</head>
<body>
<h1>文件上传页面</h1>
<form method="post" action="/upload" enctype="multipart/form-data">
    选择要上传的文件：<input type="file" name="file"><br>
    <hr>
    <input type="submit" value="提交">
</form>
</body>
</html>

三.UploadController


@Controller
@Slf4j
public class UploadController {

    private String path="D:\\IDEA\\filetest\\";

    @GetMapping("/")
    public String uploadPage() {
        return "upload.html";
    }

    @PostMapping("/upload")
    @ResponseBody
    public String create(@RequestPart MultipartFile file) throws IOException {
        String fileName = file.getOriginalFilename();
//        System.out.println(fileName);
        String filePath = path + fileName;

        File dest = new File(filePath);
        Files.copy(file.getInputStream(), dest.toPath());
        return "Upload file success : " + dest.getAbsolutePath();
    }

}