文件上传

public class UploadFile {
    private static Logger logger = LoggerFactory.getLogger(UploadFile.class);
   /** 
    * @Title: uploadImage 
    * @Description: 上传图片
    * @param: MultipartFile    
    * @return: 文件地址 
    * @throws 
    */
   public static String uploadImage(String workPath,MultipartFile files,String name) throws BusinessException {
      if (!files.isEmpty()) {
         try {

            String absolutePath = workPath +  File.separator +name+ File.separator +"images";
            logger.info("上传图片的地址为-----------------------------"+absolutePath);
            //String absolutePath = "/Users/zhuqiang/Documents/images";
            // 传文件
            File f = new File(absolutePath, files.getOriginalFilename());
            files.transferTo(f);
//          System.out.println(f.length());
            if (f.length()>100*1024) {
               //压缩图片
               ImageCompression image = new ImageCompression();
               try {
                  image.saveImageAsJpg(f, absolutePath + File.separator + files.getOriginalFilename(), 250, 150);
               } catch (Exception e) {
                  throw new BusinessException(BusinessException.CODE_ERROR, "图片压缩失败");
               }
            }
            //files.transferTo(new File("d://upload//images//saler",files.getOriginalFilename()));
            return files.getOriginalFilename();
         } catch (IOException e) {
            logger.info("服务器地址异常-----------------------------"+e.getMessage());
            throw new BusinessException(BusinessException.CODE_ERROR,"服务器地址异常");
         }
      } else {
         throw new BusinessException(BusinessException.CODE_ERROR,"上传文件数据为空");
      }

   }
   
   /** 
    * @Title: uploadImage1
    * @Description: 上传图片(压缩图片的尺寸是400,300)
    * @param: MultipartFile    
    * @return: 文件地址 
    * @throws 
    */
   public static String uploadImage1(String workPath,MultipartFile files) throws BusinessException {
      if (!files.isEmpty()) {
         try {

            String absolutePath = workPath ;
            // 传文件
            files.transferTo(new File(absolutePath,files.getOriginalFilename()));
            //压缩图片
            ImageCompression image = new ImageCompression();
            try {
               File f = new File(absolutePath,files.getOriginalFilename());
               image.saveImageAsJpg(f,absolutePath+ File.separator+files.getOriginalFilename(), 1000, 800);
            } catch (Exception e) {
               throw new BusinessException(BusinessException.CODE_ERROR,"图片压缩失败");
            }
            
            //files.transferTo(new File("d://upload//images//saler",files.getOriginalFilename()));
            return files.getOriginalFilename();
         } catch (IOException e) {
            throw new BusinessException(BusinessException.CODE_ERROR,"服务器地址异常");
         }
      } else {
         throw new BusinessException(BusinessException.CODE_ERROR,"上传文件数据为空");
      }

   }
   
   /** 
    * @Title: uploadFile 
    * @Description: 上传文件
    * @param: MultipartFile    
    * @return: 文件地址 
    * @throws 
    */
   public static String uploadFile(String workPath,MultipartFile files,String path) throws BusinessException {
      if (!files.isEmpty()) {
         try {
            String absolutePath = workPath;
            // 传文件
//          String absolutePath = "d://upload//meetings//file";
            files.transferTo(new File(absolutePath,files.getOriginalFilename()));
            return files.getOriginalFilename();
         } catch (IOException e) {
            throw new BusinessException(BusinessException.CODE_ERROR,"服务器地址异常");
         }
      } else {
         throw new BusinessException(BusinessException.CODE_ERROR,"上传文件数据为空");
      }

   }
   
   /** 
    * @Title: uploadVideos 
    * @Description: 上传视频
    * @param: MultipartFile    
    * @return: 文件地址 
    * @throws 
    */
   public static String uploadVideos(String workPath,MultipartFile files) throws BusinessException {
      if (!files.isEmpty()) {
         try {
            String absolutePath = workPath ;
            // 传文件
            files.transferTo(new File(absolutePath,files.getOriginalFilename()));
//          files.transferTo(new File("d://upload//meetings//file",files.getOriginalFilename()));
            return files.getOriginalFilename();
         } catch (IOException e) {
            throw new BusinessException(BusinessException.CODE_ERROR,"服务器地址异常");
         }
      } else {
         throw new BusinessException(BusinessException.CODE_ERROR,"上传视频数据为空");
      }

   }
   
   /** 
    * @Title: getFileNameNew 
    * @Description: 重命名图片
    * @param    
    * @return 
    * @throws 
    */
   public static String getFileNameNew() {
      SimpleDateFormat fmt = new SimpleDateFormat("yyyyMMddHHmmssSSS");
      return fmt.format(new Date());
   }
   
   /** 
    * @Title: addAppImage 
    * @Description: 上传app头像
    * @param: workPath,image    
    * @return 
    * @throws 
    */
   public static String addAppImage(String workPath,String image){
      String webPath = workPath +  File.separator +"sharemsg"+ File.separator +"images";
      String relativePath = getFileNameNew() + ".jpg";
      File file = new File(webPath,relativePath);
      // image
      byte[] bytes = Base64.decodeBase64(image);
      for (int i = 0; i < bytes.length; ++i) {
         if (bytes[i] < 0) {// 调整异常数据
            bytes[i] += 256;
         }
      }
      FileOutputStream os;
      try {
         os = new FileOutputStream(file);
         os.write(bytes);
         os.flush();
         os.close();
      } catch (Exception e) {
         return "";
      }
      return relativePath;
   }
   
   /** 
    * @Title: addAppFile 
    * @Description: 上传app头像
    * @param: workPath,image    
    * @return 
    * @throws 
    */
   public static String addAppFile(String workPath,String fileUrl){
      String webPath = workPath +  File.separator +"sharemsg"+ File.separator +"file";
      String relativePath = getFileNameNew() + ".jpg";
      File file = new File(webPath,relativePath);
      // file
      byte[] bytes = Base64.decodeBase64(fileUrl);
      for (int i = 0; i < bytes.length; ++i) {
         if (bytes[i] < 0) {// 调整异常数据
            bytes[i] += 256;
         }
      }
      FileOutputStream os;
      try {
         os = new FileOutputStream(file);
         os.write(bytes);
         os.flush();
         os.close();
      } catch (Exception e) {
         return "";
      }
      return relativePath;
   }
}