<form role="form" th:action="@{/upload}" method="post" enctype="multipart/form-data"><div class="form-group"><label for="exampleInputEmail1">郵箱</label><input type="email" name="email" class="form-control" id="exampleInputEmail1" placeholder="Enter email"></div><div class="form-group"><label for="exampleInputPassword1">名字</label><input type="text" name="username" class="form-control" id="exampleInputPassword1" placeholder="Password"></div><div class="form-group"><label for="exampleInputFile">頭像</label><input type="file" name="headerImg" id="exampleInputFile"></div><div class="form-group"><label for="exampleInputFile">生活照</label><input type="file" name="photos" multiple></div><div class="checkbox"><label><input type="checkbox"> Check me out</label></div><button type="submit" class="btn btn-primary">提交</button></form>

/*** MultipartFile 自動封裝上傳過來的文件* @param email* @param username* @param headerImg* @param photos* @return*/@PostMapping("/upload")public String upload(@RequestParam("email") String email,@RequestParam("username") String username,@RequestPart("headerImg") MultipartFile headerImg,@RequestPart("photos") MultipartFile[] photos) throws IOException {log.info("上傳的信息：email={}，username={}，headerImg={}，photos={}",email,username,headerImg.getSize(),photos.length);if(!headerImg.isEmpty()){//保存到文件服務(wù)器，OSS服務(wù)器String originalFilename = headerImg.getOriginalFilename();headerImg.transferTo(new File("D:\\JavaCache\\"+originalFilename));}if(photos.length > 0){for (MultipartFile photo : photos) {if(!photo.isEmpty()){String originalFilename = photo.getOriginalFilename();photo.transferTo(new File("D:\\JavaCache\\"+originalFilename));}}}return "main";}

properties:

spring.servlet.multipart.max-file-size=10MBspring.servlet.multipart.max-request-size=100MB

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