private void insertData()
        {
        	Connection conn = null;
			try {
				conn = DBManager.getConnection();
				PreparedStatement prepStatement = conn.prepareStatement(P_INSERT_STRING);
				for(TransObj obj:list)
				{
					/*Statement stmt = conn.createStatement();
					stmt.addBatch(dml);
					stmt.executeBatch();*/
					prepStatement.setInt(1, obj.getSeq());
					prepStatement.setLong(2, obj.getInitTime());
					prepStatement.setLong(3, System.currentTimeMillis());
					prepStatement.setLong(4, (System.currentTimeMillis()-obj.getInitTime()));
					prepStatement.addBatch();
				}
				prepStatement.executeBatch();
	    		System.out.println("============Insert OK==============");
			} catch (SQLException e1) {
				e1.printStackTrace();
			}finally{
				if(conn!=null)
					try {
						conn.close();
					} catch (SQLException e) {
						e.printStackTrace();
					}
			}
        }