springBoot文件上传

￡神魔★判官ぃ 2021-09-28 23:54 437阅读 0赞

前端HTML

<!DOCTYPE html>
    <html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org"
          xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity3">
    <head>
        <meta charset="UTF-8">
        <title>文件上传</title>
    </head>
    <body>
    <form enctype="multipart/form-data" method="post" action="/file/upload">
        文件:<input type="file" name="file"/>
        <input type="submit" value="上传"/>
    </form>
    <form enctype="multipart/form-data" method="post" action="/file/uploadPathName">
        文件:<input type="file" name="file"/>
     指定路径:<input type="text" name="pathName"/>
        <input type="submit" value="上传"/>
    </form>
    </body>
    </html>

后端代码

@RestController
    @RequestMapping("/file")
    public class FileController  extends BaseController {
    	private static final Logger log = LoggerFactory.getLogger(FileController.class);
    
        @RequestMapping("/upload")
        public Object upload(@RequestParam("file") MultipartFile file, HttpServletRequest request){
        	HashMap<String, Object> map = new HashMap<>();
            try {
            	//获取项目所在目录路径
            	File path = new File("");
            	String filePath = path.getAbsolutePath()+"/static/";
                // 文件名
                String fileName = file.getOriginalFilename();
                log.info("文件名： " + fileName);
    
                // 文件后缀
                String suffixName = fileName.substring(fileName.lastIndexOf("."));
                log.info("文件后缀名： " + suffixName);
    
                //创建文件
                File dest = new File(filePath + fileName);
                file.transferTo(dest);
                map.put("success", true);
                return map;
            } catch (IOException e) {
            	map.put("error", e.getMessage());
                e.printStackTrace();
            }
            return map.put("success", false);
        }
        
        @RequestMapping("/uploadPathName")
        public Object uploadPathName(@RequestParam("file") MultipartFile file, HttpServletRequest request,String pathName){
        	HashMap<String, Object> map = new HashMap<>();
            try {
            	File path = new File(pathName);
        		if(!path.exists()) {
        			path.mkdirs();
        		}
                // 文件名
                String fileName = file.getOriginalFilename();
                log.info("文件名： " + fileName);
    
                // 文件后缀
                String suffixName = fileName.substring(fileName.lastIndexOf("."));
                log.info("文件后缀名： " + suffixName);
                //创建文件
                File dest = new File(pathName + fileName);
                file.transferTo(dest);
                map.put("success", true);
                return map;
            } catch (IOException e) {
            	map.put("error", e.getMessage());
                e.printStackTrace();
            }
            return map.put("success", false);
        }
    }

application.yml 配置

spring：  
        servlet:
            multipart:
              max-file-size: 100MB
              max-request-size: 100MB