Java 自定义日志写入

/**

	 * 将信息写入到日志

	 * @param content

	 * @return

	 * @throws IOException

	 */

	public static boolean writeLog(String className,String ErrorInfo,String ErrorContent){

		String content=info(className, ErrorInfo, ErrorContent);

		File fileName = new File(System.getProperty("user.dir")+"/config/log.log");

		RandomAccessFile mm = null;

		boolean flag = false;

		FileOutputStream o = null;

		try {

			o = new FileOutputStream(fileName,true);

			o.write(content.getBytes("utf-8"));

			o.close();

			flag = true;

		} catch (IOException e) {

			e.printStackTrace();

		} finally {

			if (mm != null) {

				try {

					mm.close();

				} catch (IOException e) {

					e.printStackTrace();

				}

			}

		}

		return flag;

	}  

	/**

	 *

	 * @param className 类名称

	 * @param ErrorInfo 错误信息

	 * @param ErrorContent 错误内容

	 * @return

	 */

	public static String info(String className,String ErrorInfo,String ErrorContent){

		 StringBuffer buffer=new StringBuffer();

		 Date date = new Date();

         SimpleDateFormat sd = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

         String d = sd.format(date)+"\r\n";

         buffer.append(d);

         buffer.append("错误类名为：").append(className).append("\r\n");

         buffer.append("错误信息为：").append(ErrorInfo).append("\r\n");

         buffer.append("错误内容为：").append(ErrorContent).append("\r\n");

         buffer.append("\r\n");

         return buffer.toString();

	}