java gif图片保存处理逻辑

java gif图片保存处理逻辑

	/**
	 * 保存本地上传的gif
	 * @param inputStream 图片数据
	 * @param savePath 保存路径
	 */
	public static void saveGifImageInputStream(InputStream inputStream, String savePath){
		byte[] data = new byte[BUFFER_SIZE];
		int len = 0;
		FileOutputStream fileOutputStream = null;
		try {
			fileOutputStream = new FileOutputStream(savePath);
			while ((len = inputStream.read(data)) != -1) {
				fileOutputStream.write(data, 0, len);

			}
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			if (inputStream != null) {
				try {
					inputStream.close();
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			if (fileOutputStream != null) {
				try {
					fileOutputStream.close();
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
		}
	}

文件保存：

	/**
     * 根据字节数组获取File
     * @param b 字节数组
     * @param outputFile 输出的路径(保存路径)
     * @return
     */
    public static boolean saveFile(byte[] b, String outputFile) {
        BufferedOutputStream stream = null;
        Boolean result = true;
        try {
        	File file = new File(outputFile);
        	if(!file.exists()){
        		file.createNewFile();
        	}
        	FileOutputStream fstream = new FileOutputStream(file);
        	stream = new BufferedOutputStream(fstream);
        	stream.write(b);
         } catch (Exception e) {
        	 System.out.println("上传文件出错："+e);
        	 result = false;
        } finally {
            if (stream != null) {
                 try {
                    stream.close();
                 } catch (IOException e1) {
//                     logger.error("文件流关闭出错",e1);
                }
            }
        }
        return result;
     }