Java批量向mysql寫數據

<span style="white-space:pre">	</span>private static String user = "root";
	private static String pass = "123456";
	private static String URL = "jdbc:mysql://192.168.1.116:3306/test";
	
	public static void main(String args[]) throws SQLException, ClassNotFoundException{
		//獲取時間信息
		SimpleDateFormat sfmt = new SimpleDateFormat("yyyyMMddHHmmss");
		Date lastHour = new Date(new Date().getTime() - 3600000);//1小時前
		String hourMeta = sfmt.format(lastHour).substring(0, 10);//小時的時間戳，用於大數據縮小搜索範圍
		int day = Integer.parseInt(sfmt.format(lastHour).substring(0, 8));
		int hour = Integer.parseInt(String.valueOf(lastHour.getHours()));
		//連接mysql數據庫
		Connection conn = DriverManager.getConnection(URL , user, pass);
		conn.setAutoCommit(false);
		//向mysql中插入數據
		String sql = "insert into test1 values(?,?)";
		PreparedStatement ps = conn.prepareStatement(sql);//要執行sql語句的對象
		ps.setInt(1, day);
		ps.setInt(2, hour);
		//ps.setString(1, "aa");
		//ps.setString(2, "bb");
		ps.addBatch();//再添加一次預定義參數
		ps.executeBatch();//執行批量執行
		conn.commit();
		if (ps != null) {
			ps.close();
		}
		if (conn != null) {
			conn.close();
		}