Estructura MVC

This commit is contained in:
victor.monge 2025-02-26 19:48:06 -06:00
parent 3d74c596f0
commit 3c682f0c2e
8 changed files with 99 additions and 0 deletions

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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.cip</groupId>
<artifactId>ProyectoVentaBoletos</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>20</maven.compiler.source>
<maven.compiler.target>20</maven.compiler.target>
<exec.mainClass>com.cip.proyectoventaboletos.ProyectoVentaBoletos</exec.mainClass>
</properties>
<dependencies>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.33</version>
</dependency>
<dependency>
<groupId>com.formdev</groupId>
<artifactId>flatlaf</artifactId>
<version>3.4.1</version>
</dependency>
</dependencies>
</project>

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package controlador;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Connection;
public class ConexionSingleton {
private static final String URL = "jdbc:mysql://localhost:3306/###";
private static final String USERNAME = "root";
private static final String PASSWORD = "P@ssw0rd";
private static Connection CONEXION = null;
private ConexionSingleton(){
}
public static Connection getInstance() {
if(CONEXION == null){
try{
Class.forName("com.mysql.cj.jdbc.Driver");
CONEXION = DriverManager.getConnection(URL, USERNAME, PASSWORD);
} catch(ClassNotFoundException e) {
System.out.println("ConexionSingleton: error Driver no encontrado. " + e.getMessage());
} catch(SQLException e) {
System.out.println("ConexionSingleton: error no se pudo establecer la conexión. " + e.getMessage());
}
}
System.out.println("ConexionSingleton: conexión exitosa.");
return CONEXION;
}
public static void closeConnection() {
if (CONEXION != null) {
try {
CONEXION.close();
CONEXION = null;
System.out.println("ConexionSingleton: conexión cerrada.");
} catch (SQLException e) {
System.out.println("ConexionSingleton: error al cerrar la conexión: " + e.getMessage());
}
}
}
}

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package modelo;
public class Asiento {
}

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package modelo;
public class Boleto {
}

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package modelo;
public class Evento {
}

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package modelo;
public class Reporte {
}

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package modelo;
public class Venta {
}

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package vista;
public class Sala {
}