Java批量插入（效率不高）

package a;

import java.awt.image.ConvolveOp;
import java.math.BigDecimal;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Timestamp;
import java.time.LocalDateTime;

public class Main {
	private static Connection c = null;
	private static PreparedStatement ps = null;
	private static ResultSet rs = null;

//	public static void main2(String[] args) {
//		try {
//			Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
//			c = DriverManager.getConnection("jdbc:sqlserver://localhost:1433;;database=wenhua2020;Encrypt=false", "sa",
//					"dinglin");
//
//			ps = c.prepareStatement("insert into t_user () values (?, ?, ?, ?, ?, ?)");
//			c.setAutoCommit(false);
//			for (int i = 0; i < 100; i++) {
//				ps.setInt(1, i);
//				ps.addBatch();
//			}
//			ps.executeBatch();
//			c.commit();
//		} catch (Exception e) {
//			e.printStackTrace();
//		} finally {
//			try {
//				if (rs != null) {
//					rs.close();
//					rs = null;
//				}
//				if (ps != null) {
//					ps.close();
//					ps = null;
//				}
//				if (c != null) {
//					c.close();
//					c = null;
//				}
//			} catch (Exception e) {
//				e.printStackTrace();
//			}
//		}
//
//	}

	public static void main(String[] args) {
		try {
			Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
			try (Connection connection = DriverManager.getConnection(
					"jdbc:sqlserver://localhost:1433;;database=wenhua2020;Encrypt=false", "sa", "dinglin");
					PreparedStatement preparedStatement = connection.prepareStatement(
							"insert into t_1 (InstrumentID, TradingDayUpdateTime, LastPrice, PreClosePrice, OpenPrice, HighestPrice, LowestPrice, LowerLimitPrice, Volume) values (?, ?, ?, ?, ?, ?, ?, ?, ?)");) {
				connection.setAutoCommit(false);

				for (int i = 0; i < 1000; i++) {
					preparedStatement.setString(1, "dddddddasdf");
					preparedStatement.setTimestamp(2, Timestamp.valueOf("2025-06-09 22:55:41"));
					preparedStatement.setBigDecimal(3, new BigDecimal(3.33));
					preparedStatement.setBigDecimal(4, new BigDecimal(23.33));
					preparedStatement.setBigDecimal(5, new BigDecimal(53.63));
					preparedStatement.setBigDecimal(6, new BigDecimal(3.53));
					preparedStatement.setBigDecimal(7, new BigDecimal(73.83));
					preparedStatement.setBigDecimal(8, new BigDecimal(38.53));
					preparedStatement.setInt(9, 100);
					preparedStatement.addBatch();
				}
				preparedStatement.executeBatch();
				connection.commit();
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

}