java中mysql插入数据

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

public class MySQLInsertExample {
    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)) {
            String sql = "INSERT INTO mytable (column1, column2) VALUES (?, ?)";
            try (PreparedStatement pstmt = conn.prepareStatement(sql)) {
                pstmt.setString(1, "value1");
                pstmt.setString(2, "value2");
                int affectedRows = pstmt.executeUpdate();
                System.out.println("Inserted " + affectedRows + " row(s) into mytable.");
            }
        } catch (SQLException e) {
            System.out.println(e.getMessage());
        }
    }
}