activiti mysql乱码

ALTER TABLE your_table_name CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

jdbc:mysql://localhost:3306/your_database?useUnicode=true&characterEncoding=utf8mb4&serverTimezone=UTC

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

public class DatabaseConnector {
    public static void main(String[] args) {
        String url = "jdbc:mysql://localhost:3306/your_database?useUnicode=true&characterEncoding=utf8mb4&serverTimezone=UTC";
        String user = "your_username";
        String password = "your_password";

        try (Connection conn = DriverManager.getConnection(url, user, password)) {
            System.out.println("Connected to the database!");
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}