public static void fillStatement(PreparedStatement pstmt, List<Object> paras) throws ActiveRecordException {
		try {
			if(null == paras) return;
			for (int i = 0; i <  paras.size(); i++) {

				Object o = paras.get(i);
				//若要插入的是util.Date类型
				if(null != o&&o.getClass().getCanonicalName().equals("java.util.Date")){
					pstmt.setTimestamp(i+1, new Timestamp((((java.util.Date)o)).getTime()));
				}else{
					pstmt.setObject(i + 1, o);

				}

			}
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			throw new ActiveRecordException("无法设置PerparedStatemet参数!" , e);
		}
	}