文章目录
- 前言
- 文件上传
- 总结
前言
SpringBoot的单文件、多文件上传。
文件上传
- 页面代码
/static/form/form_layouts.html
<form role="form" th:action="@{/upload}" method="post" enctype="multipart/form-data"><div class="form-group"><label for="exampleInputEmail1">邮箱</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">头像</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>
- 控制层代码
@Slf4j@Controller@GetMapping("/main")public String mainPage(){return "main.html";@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("上传的信息:email={},username={},headerImg={},photos={}",email,username,headerImg.getSize(),photos.length);if(!headerImg.isEmpty()){//保存到文件服务器,OSS服务器String originalFilename = headerImg.getOriginalFilename();headerImg.transferTo(new File("H:\\dragon\\"+originalFilename));}if(photos.length > 0){for (MultipartFile photo : photos) {if(!photo.isEmpty()){String originalFilename = photo.getOriginalFilename();photo.transferTo(new File("H:\\dragon\\"+originalFilename));}}}return "main";}
}
文件上传相关的配置类:
org.springframework.boot.autoconfigure.web.servlet.MultipartAutoConfiguration
org.springframework.boot.autoconfigure.web.servlet.MultipartProperties
文件大小相关配置项:
spring.servlet.multipart.max-file-size=10MB
spring.servlet.multipart.max-request-size=100MB
总结
以上就是SpringBoot文件上传讲解。