JavaFX程序初次运行创建数据库并执行建表SQL详解

package oa.util; 
import java.io.IOException;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.Properties; 
import org.apache.ibatis.jdbc.ScriptRunner;
import com.ibatis.common.resources.Resources;
import com.mysql.jdbc.Connection;
import com.mysql.jdbc.Statement; 
public class CreateMySqlDatabase { 
  public static void createDatabase() throws SQLException {
    Connection conn;
    conn = (Connection) DriverManager.getConnection("jdbc:mysql://localhost:3306/", "root", "1234");
    Statement stmt = (Statement) conn.createStatement();
    String sql = "CREATE DATABASE UTILITY";
    stmt.executeUpdate(sql);
  }     
  public static void executeSql() throws IOException, SQLException {
    Properties props = Resources.getResourceAsProperties("mysql.properties");
    String url = props.getProperty("jdbc.url");
    String username = props.getProperty("jdbc.username");
    String password = props.getProperty("jdbc.password");
    Connection conn = (Connection) DriverManager.getConnection(url, username, password);
    ScriptRunner runner = new ScriptRunner(conn);
    runner.setErrorLogWriter(null);
    runner.setLogWriter(null);
    runner.runScript(Resources.getResourceAsReader("sql/utility.sql"));
    conn.close();
    System.out.println("==SUCCESS==");
  }
}

try {
      DriverManager.getConnection("jdbc:mysql://localhost:3306/utility", "root", "1234");
      isError = false;
    } catch (MySQLSyntaxErrorException e) {
      primaryStage.setTitle("正在创建Utility数据库……");
      Label error = new Label("正在创建Utility数据库……");
      error.setFont(new Font("Cambria", 100));
      Pane pane = new Pane();
      pane.getChildren().add(error);
      Scene scene = new Scene(pane);
      primaryStage.setScene(scene);
      primaryStage.show();
      try {
        CreateMySqlDatabase.createDatabase();
        CreateMySqlDatabase.executeSql();
        isError = false;
        primaryStage.close();
      } catch (SQLException | IOException e1) {
        primaryStage.close();
        e1.printStackTrace();
      }
 
    } catch (SQLException se) {
      Thread.sleep(3000);
      primaryStage.close();
      se.printStackTrace();
    }
 
    if (!isError) {
      run();
    }
 
  } 
  public static void main(String[] args) {
    launch(args);
  }