java mysql动态建表

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

public class DynamicTableCreation {
    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);
             Statement stmt = conn.createStatement()) {

            // 动态创建表的SQL语句
            String sql = "CREATE TABLE IF NOT EXISTS dynamic_table (" +
                         "id INT AUTO_INCREMENT PRIMARY KEY," +
                         "name VARCHAR(255) NOT NULL," +
                         "age INT" +
                         ")";

            // 执行SQL语句
            stmt.executeUpdate(sql);

            System.out.println("Table created successfully!");

        } catch (SQLException e) {
            System.err.println("Error creating table: " + e.getMessage());
        }
    }
}