File 如何使用springs在服务器中上载文件_File_Upload

File 如何使用springs在服务器中上载文件

file

File 如何使用springs在服务器中上载文件,file,upload,File,Upload,我是springs的新手，我想在服务器上上传文件。但是它没有以那种特定的格式保存文件..帮帮我这是我的jsp页面 <html> <head> <title>Upload File Request Page</title> </head> <body> <form method="POST" action="uploadFile" enctype="multipart/form-data">

我是springs的新手，我想在服务器上上传文件。但是它没有以那种特定的格式保存文件..帮帮我

这是我的jsp页面

    <html>
<head>
<title>Upload File Request Page</title>
</head>
<body>

    <form method="POST" action="uploadFile" enctype="multipart/form-data">
        File to upload: <input type="file" name="file"><br><br> 
    <!--     Name: <input type="text" name="file"><br> <br>        -->                 
        <input type="submit" value="Upload"> Press here to upload the file!
    </form>

</body>
</html>

控制器页

@RequestMapping(value = "/uploadFile", method = RequestMethod.POST)
public @ResponseBody String uploadFileHandler(@RequestParam(value = "name", required = false) String name, 
        @RequestParam("file") MultipartFile file) {


    if (!file.isEmpty()) {
        try {
            System.out.println(">>>>"+ file.getOriginalFilename());
            byte[] bytes = file.getBytes();

            // Creating the directory to store file
            String rootPath = System.getProperty("catalina.home");
            System.out.println(">"+rootPath);
            File dir = new File(rootPath + File.separator + "tmpFiles/abc");
            if (!dir.exists())
                dir.mkdirs();

            // Create the file on server
            File serverFile = new File(dir.getAbsolutePath() + File.separator + file.getOriginalFilename());
            BufferedOutputStream stream = new BufferedOutputStream(new FileOutputStream(serverFile));
            stream.write(bytes);
            stream.close();

            logger.info("Server File Location=" + serverFile.getAbsolutePath());

            return "You successfully uploaded file=" + file.getOriginalFilename();
        } catch (Exception e) {
            return "You failed to upload " + file.getOriginalFilename() + " => " + e.getMessage();
        }
    } else {
        return "You failed to upload " + file.getOriginalFilename() + " because the file was empty.";
    }
}

@RequestMapping(value = "/uploadFile", method = RequestMethod.POST)
public @ResponseBody String uploadFileHandler(@RequestParam(value = "name", required = false) String name, 
        @RequestParam("file") MultipartFile file) {


    if (!file.isEmpty()) {
        try {
            System.out.println(">>>>"+ file.getOriginalFilename());
            byte[] bytes = file.getBytes();

            // Creating the directory to store file
            String rootPath = System.getProperty("catalina.home");
            System.out.println(">"+rootPath);
            File dir = new File(rootPath + File.separator + "tmpFiles/abc");
            if (!dir.exists())
                dir.mkdirs();

            // Create the file on server
            File serverFile = new File(dir.getAbsolutePath() + File.separator + file.getOriginalFilename());
            BufferedOutputStream stream = new BufferedOutputStream(new FileOutputStream(serverFile));
            stream.write(bytes);
            stream.close();

            logger.info("Server File Location=" + serverFile.getAbsolutePath());

            return "You successfully uploaded file=" + file.getOriginalFilename();
        } catch (Exception e) {
            return "You failed to upload " + file.getOriginalFilename() + " => " + e.getMessage();
        }
    } else {
        return "You failed to upload " + file.getOriginalFilename() + " because the file was empty.";
    }
}