print_r($unCd->mostrarDatos());<br>
else<br>
print("No existe");<br>
</div>
</div>
<h3 > Método de la clase </h3>
<?php
include_once ("clases/AccesoDatos.php");
include_once ("clases/cd.php");
$unCd =cd::TraerUnCdAnioParamNombre(1,1990);
if(isset($unCd->titulo))
print_r($unCd->mostrarDatos());
else
print("No existe");
print("<br>");
?>
<a class="btn btn-info" href="index.html">Menu principal</a>
</div>
</body>
<?php
session_start();
if (isset($_SESSION['registrado'])) {
require_once "clases/AccesoDatos.php";
require_once "clases/cd.php";
$arrayDeCds = cd::TraerTodoLosCds();
echo "<h2> Bienvenido: " . $_SESSION['registrado'] . "</h2>";
?>
<table class="table" style=" background-color: beige;">
<thead>
<tr>
<th>Editar</th><th>Borrar</th><th>cantante</th><th>disco</th><th>año</th>
</tr>
</thead>
<tbody>
<?php
foreach ($arrayDeCds as $cd) {
echo "<tr>\n\t\t\t<td><a onclick='EditarCD({$cd->id})' class='btn btn-warning'> <span class='glyphicon glyphicon-pencil'> </span>Editar</a></td>\n\t\t\t<td><a onclick='BorrarCD({$cd->id})' class='btn btn-danger'> <span class='glyphicon glyphicon-trash'> </span> Borrar</a></td>\n\t\t\t<td>{$cd->cantante}</td>\n\t\t\t<td>{$cd->titulo}</td>\n\t\t\t<td>{$cd->año}</td>\n\t\t</tr> ";
}
?>
</tbody>
</table>
<?php
} else {
echo "<h4 class='widgettitle'>No estas registrado</h4>";
}
<?php
session_start();
if (validadora::validarSesionActual()) {
require_once "clases/AccesoDatos.php";
require_once "clases/cd.php";
$estadisticas = cd::TraerEstadisticas();
echo "<h2> Bienvenido: " . $_SESSION['registrado'] . "</h2>";
?>
<div id="grillaEstadistica" style="min-width: 310px; height: 400px; margin: 0 auto">
</div>
<table class="table" id="tablaEstadistica" style=" background-color: beige;display:none;">
<thead>
<tr>
<th>Cantante</th><th>CantidadCD</th>
</tr>
</thead>
<tbody>
<?php
foreach ($estadisticas as $row) {
echo "<tr>\n\t\t\t<td>" . $row["cantante"] . "</td>\n\t\t\t<td>" . $row["cantidadCD"] . "</td>\n\t\t</tr> ";
}
?>
</tbody>
</table>
<?php
} else {
include "partes/formGrilla.php";
break;
case 'MostarLogin':
include "partes/formLogin.php";
break;
case 'MostrarFormAlta':
include "partes/formCd.php";
break;
case 'BorrarCD':
$cd = new cd();
$cd->id = $_POST['id'];
$cantidad = $cd->BorrarCd();
echo $cantidad;
break;
case 'GuardarCD':
$cd = new cd();
$cd->id = $_POST['id'];
$cd->cantante = $_POST['cantante'];
$cd->titulo = $_POST['titulo'];
$cd->año = $_POST['anio'];
$cantidad = $cd->GuardarCD();
echo $cantidad;
break;
case 'TraerCD':
$cd = cd::TraerUnCd($_POST['id']);
echo json_encode($cd);
break;
default:
# code...
break;
}
{
protected $cdInfo = array();
public function addSong($song)
{
$this->cdInfo[$song] = $song;
}
public function playMp3($song)
{
return $this->cdInfo[$song] . '.mp3';
}
public function playMp4($song)
{
return $this->cdInfo[$song] . '.mp4';
}
}
$oldCd = new cd();
$oldCd->addSong("1");
$oldCd->addSong("2");
$oldCd->addSong("3");
$type = 'mp3';
if ($type == 'mp3') {
echo $oldCd->playMp3(1);
} else {
echo $oldCd->playMp4(2);
}
//委托模式-去除核心对象中的判决和复杂的功能性
//改进cd类
class cdDelegate
{
protected $cdInfo = array();
public function addSong($song)