java 获取mysql列名

import java.sql.*;

public class GetColumnNames {
    public static void main(String[] args) {
        String url = "jdbc:mysql://localhost:3306/your_database";
        String user = "your_username";
        String password = "your_password";
        String tableName = "your_table";

        try (Connection conn = DriverManager.getConnection(url, user, password)) {
            DatabaseMetaData metaData = conn.getMetaData();
            ResultSet resultSet = metaData.getColumns(null, null, tableName, null);

            while (resultSet.next()) {
                String columnName = resultSet.getString("COLUMN_NAME");
                System.out.println(columnName);
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}