上传图片

public boolean saveAttach(TBasePhotoAttach photo) throws Exception{
        /*System.out.println(upload1FileName); //flower.jpg
        System.out.println(upload1); 
        System.out.println(upload1ContentType); //image/pjpeg   */

　　　　//只能上传这些格式的图片

        if(!"image/jpeg".equals(upload1ContentType)
                &&!"image/gif".equals(upload1ContentType)
                &&!"image/pjpeg".equals(upload1ContentType)){
            return false;
        }
　　　　//图片名
        String photoName = upload1FileName.substring(0,upload1FileName.lastIndexOf("."));
　　　　//图片后缀
        String suffix=upload1FileName.substring(upload1FileName.lastIndexOf(".")+1);
        SimpleDateFormat format=new SimpleDateFormat("yyyyMMddhhmmss");
        //使用当前时间为图片命名
        String newName=format.format(new Date())+"."+suffix;
        //用于保存上传照片的文件夹
        String uploadPath=this.getRequest().getRealPath("/")+"uploadImages"; //  E:JavaWorkspace dp WebRoot uploadImages
        File file=new File(uploadPath);
        if(!file.exists()){
            file.mkdirs();
        }
        
        
        String saveUrl=uploadPath +"\\"+ newName; //完整保存路径
        
        //文件输入流
        FileInputStream fis = new FileInputStream(upload1);
        //文件输出流
        FileOutputStream fos = new FileOutputStream(saveUrl, false);
        
        byte buffer[] = new byte[4096];
        int readSize = 0;
        //存储文件
        while ((readSize = fis.read(buffer)) > 0) {
            fos.write(buffer, 0, readSize);
        }
        
        //photo.setPhotoUrl(saveUrl);
        //URLEncoder.encode(upload1FileName, "UTF-8");
        //DATE.getCurrentDate().toString()
        
        String photoUrl=this.getRequest().getContextPath()+"/uploadImages/"+newName;
        photo.setPhotoUrl(photoUrl);
        photo.setOldname(upload1FileName);
        photo.setNewname(newName);
        stuService.savePhoto(photo);
        
        return true;
        
    }