mysql jdbc批量

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class BatchInsertExample {
    public static void main(String[] args) {
        String url = "jdbc:mysql://localhost:3306/mydatabase";
        String user = "username";
        String password = "password";

        try (Connection conn = DriverManager.getConnection(url, user, password)) {
            conn.setAutoCommit(false);

            String sql = "INSERT INTO users (name, email) VALUES (?, ?)";
            try (PreparedStatement pstmt = conn.prepareStatement(sql)) {
                for (int i = 0; i < 1000; i++) {
                    pstmt.setString(1, "User" + i);
                    pstmt.setString(2, "user" + i + "@example.com");
                    pstmt.addBatch();
                }

                int[] results = pstmt.executeBatch();
                conn.commit();

                System.out.println("Inserted " + results.length + " rows.");
            } catch (SQLException e) {
                conn.rollback();
                e.printStackTrace();
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}

pstmt.setQueryTimeout(60); // 设置查询超时时间为60秒

for (int i = 0; i < totalRecords; i += batchSize) {
    for (int j = i; j < Math.min(i + batchSize, totalRecords); j++) {
        pstmt.setString(1, "User" + j);
        pstmt.setString(2, "user" + j + "@example.com");
        pstmt.addBatch();
    }
    pstmt.executeBatch();
}

conn.setAutoCommit(false);
try {
    // 执行批量操作
    conn.commit();
} catch (SQLException e) {
    conn.rollback();
    e.printStackTrace();
}