FTP文件上传

Maven包依赖

 
    
      commons-net
      commons-net
      3.1
    

    

    
    
      commons-fileupload
      commons-fileupload
      1.2.2
    

    
      commons-io
      commons-io
      2.0.1
    

SpringMVC配置文件

Jsp前台页面

springmvc上传文件

    
    

Properties文件

ftp.server.ip=192.168.190.1
ftp.user=geely
ftp.pass=geely
ftp.server.http.prefix=http://img.happymmall.com/

Controller层

    @RequestMapping("upload.do")
    @ResponseBody
    public ServerResponse upload(HttpSession session,@RequestParam(value = "upload_file",required = false) MultipartFile file,HttpServletRequest request){
        User user = (User)session.getAttribute(Const.CURRENT_USER);
        if(user == null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),"用户未登录,请登录管理员");
        }
        if(iUserService.checkAdminRole(user).isSuccess()){
            String path = request.getSession().getServletContext().getRealPath("upload");
            String targetFileName = iFileService.upload(file,path);
            String url = PropertiesUtil.getProperty("ftp.server.http.prefix")+targetFileName;

            Map fileMap = Maps.newHashMap();
            fileMap.put("uri",targetFileName);
            fileMap.put("url",url);
            return ServerResponse.createBySuccess(fileMap);
        }else{
            return ServerResponse.createByErrorMessage("无权限操作");
        }
    }

Service层

@Service("iFileService")
public class FileServiceImpl implements IFileService {

    private Logger logger = LoggerFactory.getLogger(FileServiceImpl.class);


    public String upload(MultipartFile file,String path){
        String fileName = file.getOriginalFilename();
        //扩展名
        //abc.jpg
        String fileExtensionName = fileName.substring(fileName.lastIndexOf(".")+1);
        String uploadFileName = UUID.randomUUID().toString()+"."+fileExtensionName;
        logger.info("开始上传文件,上传文件的文件名:{},上传的路径:{},新文件名:{}",fileName,path,uploadFileName);

        File fileDir = new File(path);
        if(!fileDir.exists()){
            fileDir.setWritable(true);
            fileDir.mkdirs();
        }
        File targetFile = new File(path,uploadFileName);


        try {
            file.transferTo(targetFile);
            //文件已经上传成功了


            FTPUtil.uploadFile(Lists.newArrayList(targetFile));
            //已经上传到ftp服务器上

            targetFile.delete();
        } catch (IOException e) {
            logger.error("上传文件异常",e);
            return null;
        }
        //A:abc.jpg
        //B:abc.jpg
        return targetFile.getName();
    }

}

FTPUtil工具类

public class FTPUtil {

    private static  final Logger logger = LoggerFactory.getLogger(FTPUtil.class);

    private static String ftpIp = PropertiesUtil.getProperty("ftp.server.ip");
    private static String ftpUser = PropertiesUtil.getProperty("ftp.user");
    private static String ftpPass = PropertiesUtil.getProperty("ftp.pass");

    public FTPUtil(String ip,int port,String user,String pwd){
        this.ip = ip;
        this.port = port;
        this.user = user;
        this.pwd = pwd;
    }
    public static boolean uploadFile(List fileList) throws IOException {
        FTPUtil ftpUtil = new FTPUtil(ftpIp,21,ftpUser,ftpPass);
        logger.info("开始连接ftp服务器");
        boolean result = ftpUtil.uploadFile("img",fileList);
        logger.info("开始连接ftp服务器,结束上传,上传结果:{}");
        return result;
    }


    private boolean uploadFile(String remotePath,List fileList) throws IOException {
        boolean uploaded = true;
        FileInputStream fis = null;
        //连接FTP服务器
        if(connectServer(this.ip,this.port,this.user,this.pwd)){
            try {
                ftpClient.changeWorkingDirectory(remotePath);
                ftpClient.setBufferSize(1024);
                ftpClient.setControlEncoding("UTF-8");
                ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
                ftpClient.enterLocalPassiveMode();
                for(File fileItem : fileList){
                    fis = new FileInputStream(fileItem);
                    ftpClient.storeFile(fileItem.getName(),fis);
                }

            } catch (IOException e) {
                logger.error("上传文件异常",e);
                uploaded = false;
                e.printStackTrace();
            } finally {
                fis.close();
                ftpClient.disconnect();
            }
        }
        return uploaded;
    }



    private boolean connectServer(String ip,int port,String user,String pwd){

        boolean isSuccess = false;
        ftpClient = new FTPClient();
        try {
            ftpClient.connect(ip);
            isSuccess = ftpClient.login(user,pwd);
        } catch (IOException e) {
            logger.error("连接FTP服务器异常",e);
        }
        return isSuccess;
    }











    private String ip;
    private int port;
    private String user;
    private String pwd;
    private FTPClient ftpClient;

    public String getIp() {
        return ip;
    }

    public void setIp(String ip) {
        this.ip = ip;
    }

    public int getPort() {
        return port;
    }

    public void setPort(int port) {
        this.port = port;
    }

    public String getUser() {
        return user;
    }

    public void setUser(String user) {
        this.user = user;
    }

    public String getPwd() {
        return pwd;
    }

    public void setPwd(String pwd) {
        this.pwd = pwd;
    }

    public FTPClient getFtpClient() {
        return ftpClient;
    }

    public void setFtpClient(FTPClient ftpClient) {
        this.ftpClient = ftpClient;
    }
}