public function __construct($bandName)
{
$db = mysql_connect("localhost", "root", "root");
mysql_select_db("test");
$sql = "select CD.id, CD.band, CD.title, tracks.tracknum, tracks.title as tracktitle ";
$sql .= "from CD left join tracks on CD.id = tracks.cid ";
$sql .= "where band = '" . mysql_real_escape_string($bandName) . "' ";
$sql .= "order by tracks.tracknum";
$results = mysql_query($sql);
$cdID = 0;
$cd = NULL;
while ($result = mysql_fetch_array($results)) {
if ($result["id"] !== $cdID) {
if (!is_null($cd)) {
$this->_CDs[] = $cd;
}
$cdID = $result['id'];
$cd = new CD($result['band'], $result['title']);
}
$cd->addTrack($result['tracktitle']);
}
$this->_CDs[] = $cd;
}
foreach ($tracksFroExternalSource as $track) {
$myCD->addTrack($track);
}
print "The CD contains:{$myCD->getTrackList()}\n";
/**
* 需求发生小变化： 要求每个输出的参数都采用大写形式. 对于这么小的变化而言， 最佳的做法并非修改基类或创建父 - 子关系，
* 而是创建一个基于装饰器设计模式的对象。
*
*/
class CDTrackListDecoratorCaps
{
private $_cd;
public function __construct(CD $cd)
{
$this->_cd = $cd;
}
public function makeCaps()
{
foreach ($this->_cd->trackList as &$track) {
$track = strtoupper($track);
}
}
}
$myCD = new CD();
foreach ($tracksFroExternalSource as $track) {
$myCD->addTrack($track);
}
//新增以下代码实现输出参数采用大写形式
$myCDCaps = new CDTrackListDecoratorCaps($myCD);
$myCDCaps->makeCaps();
print "The CD contains:{$myCD->getTrackList()}\n";
echo "construct " . $name . "\n";
$this->_name = $name;
}
public function getName()
{
return $this->_name;
}
}
class ArtistFactory
{
private $_artists = array();
public function getArtist($name)
{
if (isset($this->_artists[$name])) {
return $this->_artists[$name];
} else {
$this->_artists[$name] = new Artist($name);
return $this->_artists[$name];
}
}
}
$objArtistFactory = new ArtistFactory();
$objCD1 = new CD();
$objCD1->setTitle("title1");
$objCD1->setArtist($objArtistFactory->getArtist("artist1"));
$objCD2 = new CD();
$objCD2->setTitle("title2");
$objCD2->setArtist($objArtistFactory->getArtist("artist2"));
$objCD3 = new CD();
$objCD3->setTitle("title3");
$objCD3->setArtist($objArtistFactory->getArtist("artist1"));
}
}
public function buy()
{
//stub actions of buying
$this->notifyObserver('purchased');
}
}
class buyCDNotifyStreamObserver
{
public function update(CD $cd)
{
$activity = "The CD named {$cd->title} by ";
$activity .= "{$cd->band} was just purchased.";
activityStream::addNewItem($activity);
}
}
class activityStream
{
public static function addNewItem($item)
{
//stub functions
print $item;
}
}
$title = 'Waste of a Rib';
$band = 'Never Again';
$cd = new CD($title, $band);
$observer = new buyCDNotifyStreamObserver();
$cd->attachObserver('purchased', $observer);
$cd->buy();
<?php
require_once __DIR__ . '/../vendor/autoload.php';
require_once __DIR__ . '/../src/CD.php';
session_start();
if (empty($_SESSION['list_of_cds'])) {
$_SESSION['list_of_cds'] = array();
}
$app = new Silex\Application();
$app->register(new Silex\Provider\TwigServiceProvider(), array('twig.path' => __DIR__ . '/../views'));
$app->get('/', function () use($app) {
return $app['twig']->render('home.html.twig');
});
$app->get('/new_cd', function () use($app) {
return $app['twig']->render('new_cd.html.twig');
});
$app->post('/cd_inserted', function () use($app) {
$cd = new CD($_POST['album'], $_POST['artist']);
$cd->save();
$cd_list = CD::getAll();
return $app['twig']->render('home.html.twig', array('cds' => $cd_list));
});
return $app;
{
$this->title = $title;
}
public function setBand($band)
{
$this->band = $band;
}
public function addTrack($track)
{
$this->tracks[] = $track;
}
}
$title = 'Waste of a Rib';
$band = 'Never Again';
$tracksFromExternalSource = array('What It Means', 'Brrr', 'Goodbye');
$cd = new CD();
$cd->setTitle($title);
$cd->setBand($band);
foreach ($tracksFromExternalSource as $track) {
$cd->addTrack($track);
}
class enhancedCD
{
public $title = '';
public $band = '';
public $tracks = array();
public function __construct()
{
$this->tracks[] = 'DATA TRACK';
}
public function setTitle($title)
{
public function visitCD($cd)
{
$logline = "{$cd->title} by {$cd->band} was purchased for {$cd->price} ";
$logline .= "at " . sdate('r') . "\n";
file_put_contents('/logs/purchases.log', $logline, FILE_APPEND);
}
}
$externalBand = 'Never Again';
$externalTitle = 'Waste of a Rib';
$externalPrice = 9.99;
$cd = new CD($externalBand, $externalTitle, $externalPrice);
$cd->buy();
$cd->acceptVisitor(new CDVisitorLogPurchase());
class CDVisitorPopulateDiscountList
{
public function visitCD($cd)
{
if ($cd->price < 10) {
$this->_populateDiscountList($cd);
}
}
protected function _populateDiscountList($cd)
{
//stub connects to sqlite and logs
}
}
$cd = new CD($externalBand, $externalTitle, $externalPrice);
$cd->buy();
$cd->acceptVisitor(new CDVisitorLogPurchase());
$cd->acceptVisitor(new CDVisitorPopulateDiscountList());
{
return round($this->price * 0.05, 2);
}
}
class BandEndorsedCaseOfCereal extends SaleItemTemplate
{
public $band;
public function __construct($band, $price)
{
$this->band = $band;
$this->price = $price;
}
protected function taxAddition()
{
return 0;
}
protected function oversizedAddition()
{
return round($this->price * 0.2, 2);
}
}
$externalTitle = "Waste of a Rib";
$externalBand = "Never Again";
$externalCDPrice = 12.99;
$externalCerealPrice = 90;
$cd = new CD($externalBand, $externalTitle, $externalCDPrice);
$cd->setPriceAdjustments();
print 'The total cost for CD item is: $' . $cd->price . ' < br / > ';
$cereal = new BandEndorsedCaseOfCereal($externalBand, $externalCerealPrice);
$cereal->setPriceAdjustments();
print 'The total cost for the Cereal case is: $' . $cereal->price;
$app = new Silex\Application();
$app['debug'] = true;
$app->register(new Silex\Provider\TwigServiceProvider(), array('twig.path' => __DIR__ . '/../views'));
$app->get("/", function () use($app) {
return $app['twig']->render('main_page.html.twig', array('all_cds' => CD::getAll()));
});
$app->get("/add_form", function () use($app) {
return $app['twig']->render('add_form.html.twig');
});
$app->get("/search_form", function () use($app) {
return $app['twig']->render('search_form.html.twig');
});
$app->get("/search_results", function () use($app) {
$allCD = CD::getAll();
$foundCD = array();
$artistSearch = $_GET['artist'];
foreach ($allCD as $cd) {
$actualCD = strtolower($cd->getArtist());
$actualSearch = strtolower($artistSearch);
if (strpos($actualCD, $actualSearch) != false) {
array_push($foundCD, $cd);
}
}
return $app['twig']->render('search_results.html.twig', array('found' => $foundCD));
});
$app->post("/add", function () use($app) {
$newCD = new CD($_POST['artist'], $_POST['album'], $_POST['cover']);
$newCD->save();
return $app['twig']->render('added.html.twig', array('newCd' => $newCD));
});
return $app;
$app = new Silex\Application();
$app->register(new Silex\Provider\TwigServiceProvider(), array('twig.path' => __DIR__ . '/../views'));
$app->get('/', function () use($app) {
return $app['twig']->render('cds.html.twig', array('albums' => CD::getAll()));
});
$app->get('/new_cd', function () use($app) {
return $app['twig']->render('new_cd.html.twig');
});
$app->post('/new_cd', function () use($app) {
$album = new CD($_POST['title'], $_POST['artist']);
$album->save();
return $app['twig']->render('cds.html.twig', array('albums' => CD::getAll()));
});
$app->get('/searchbyartist', function () use($app) {
return $app['twig']->render('searchbyartist.html.twig');
});
$app->get('/search_results', function () use($app) {
$albums = CD::getAll();
$catalog = array();
foreach ($albums as $album) {
if ($album->artistSearch($_GET['artist_search'])) {
array_push($catalog, $album);
}
}
return $app['twig']->render('search_results.html.twig', array('catalog' => $catalog));
});
$app->post('/delete_cds', function () use($app) {
CD::deleteAll();
return $app['twig']->render('delete_cds.html.twig');
});
return $app;
}
class json
{
/**
* @param $returnData
* @return string
*/
public function get($returnData)
{
return json_encode($returnData);
}
}
class xml
{
/**
* @param $returnData
* @return string
*/
public function get($returnData)
{
$xml = '<?xml version="1.0" encoding="utf-8"?>';
$xml .= '<return>';
$xml .= '<data>' . serialize($returnData) . '</data>';
$xml .= '</return>';
return $xml;
}
}
$cd = new CD('cd1', 'zhu a zhu');
echo $cd->getCd(new json());
echo "<hr>";
echo $cd->getCd(new xml());
<?php
class CD
{
public $title = '';
public $band = '';
public function __construct($title, $band)
{
$this->title = $title;
$this->band = $band;
}
public function getAsXML()
{
$doc = new DomDocument();
$root = $doc->createElement('CD');
$root = $doc->appendChild($root);
$title = $doc->createElement('TITLE', $this->title);
$title = $root->appendChild($title);
$band = $doc->createElement('BAND', $this->band);
$band = $root->appendChild($band);
return $doc->saveXML();
}
}
$cd = new CD('Never Again', 'Waste of a Rib');
print $cd->getAsXML();
}
public function buy()
{
$this->notifyObserver("purchased");
}
}
//观察者类 后台处理
class buyCDNotifyStreamObserver
{
public function update(CD $cd)
{
$activity = "The CD named {$cd->title} by ";
$activity .= "{$cd->band} was just purchased.";
activityStream::addNewItem($activity);
}
}
//消息同事类 前台输出
class activityStream
{
public static function addNewItem($item)
{
print $item;
}
}
//测试实例
$title = "Waste of a Rib";
$band = "Never Again";
$cd = new CD($title, $band);
$observer = new buyCDNotifyStreamObserver();
$cd->attachObserver("purchased", $observer);
$cd->buy();
$cd = new CD($_POST['title'], new Artist($_POST['artist']));
$cd->save();
return $app['twig']->render('display.html.twig', array('cds' => CD::getAll()));
});
$app->post("/clear", function () use($app) {
CD::reset();
return $app['twig']->render('display.html.twig', array('cds' => CD::getAll()));
});
$app->get("/cd_search", function () use($app) {
$cds = CD::getAll();
$search_return = array();
$search = strtolower($_GET['artist']);
foreach ($cds as $cd) {
$this_artist = $cd->getArtist();
$artist = strtolower($this_artist->getName());
if ($cd->matchArtist($artist, $search)) {
array_push($search_return, $cd);
}
}
return $app['twig']->render('displaysearch.html.twig', array('cds' => $search_return));
});
$app->get("/new", function () use($app) {
return $app['twig']->render('new_cd.html.twig');
});
$app->get("/list", function () use($app) {
return $app['twig']->render('display.html.twig', array('cds' => CD::getAll()));
});
$app->get("/search", function () use($app) {
return $app['twig']->render('searchbyartist.html.twig');
});
return $app;
{
$this->_connect();
$query = "update CDs set bought=1 where band='";
$query .= mysql_real_escape_string($this->_band, $this->_handle);
$query .= "' and title='";
$query .= mysql_real_escape_string($this->_title, $this->_handle);
$query .= "'";
mysql_query($query, $this->_handle);
}
protected function _connect()
{
$this->_handle = mysql_connect('localhost', 'user', 'pass');
mysql_select_db('CD', $this->_handle);
}
}
$externalTitle = 'Waste of a Rib';
$externalBand = 'Never Again';
$cd = new CD($externalTitle, $externalBand);
$cd->buy();
class DallasNOCCDProxy extends CD
{
protected function _connect()
{
$this->_handle = mysql_connect('dallas', 'user', 'pass');
mysql_select_db('CD');
}
}
$externalTitle = 'Waste of a Rib';
$externalBand = 'Never Again';
$cd = new DallasNOCCDProxy($externalTitle, $externalBand);
$cd->buy();
public function getTrackList()
{
$output = '';
foreach ($this->trackList as $num => $track) {
$output .= $num + 1 . ") {$track}. ";
}
return $output;
}
}
class CDTrackListDecoratorCaps
{
private $__cd;
public function __construct(CD $cd)
{
$this->__cd = $cd;
}
public function makeCaps()
{
foreach ($this->__cd->trackList as &$track) {
$track = strtoupper($track);
}
}
}
$tracksFromExternalSource = array('What It Means', 'Brr', 'Goodbye');
$myCD = new CD();
foreach ($tracksFromExternalSource as $track) {
$myCD->addTrack($track);
}
$myCDCaps = new CDTrackListDecoratorCaps($myCD);
$myCDCaps->makeCaps();
print "The CD contains the following tracks: " . $myCD->getTrackList();
require_once __DIR__ . "/../vendor/autoload.php";
require_once __DIR__ . "/../src/Cd.php";
session_start();
if (empty($_SESSION['list_of_CDs'])) {
$_SESSION['list_of_CDs'] = array();
}
$app = new Silex\Application();
$app->register(new Silex\Provider\TwigServiceProvider(), array('twig.path' => __DIR__ . '/../views'));
$app->get("/", function () use($app) {
$cd_list = $_SESSION['list_of_CDs'];
return $app['twig']->render('index.html.twig', array('cds' => $cd_list));
});
$app->get("/add_CD", function () use($app) {
return $app['twig']->render('add_CD.html.twig');
});
$app->post("/new_CD", function () use($app) {
$newCD = new CD($_POST['title'], $_POST['artist'], $_POST['cover_image']);
$newCD->saveCD();
return $app['twig']->render('new_CD.html.twig', array('newCD' => $newCD));
});
$app->post("/search", function () use($app) {
$cds = $_SESSION['list_of_CDs'];
$search_string = $_POST['searchCDs'];
$search_results = CD::searchArtist($cds, $search_string);
return $app['twig']->render('search_results.html.twig', array('results' => $search_results));
});
$app->get("/delete", function () use($app) {
CD::deleteAll();
return $app['twig']->render('index.html.twig');
});
return $app;
</div>
</body>
<?php
/*
if(isset($_POST['cantante'])) {
var_dump($_POST);
}
*/
if(isset($_POST['cantante'])
&& isset($_POST['titulo'])
&& isset($_POST['anio'])) {
require_once("/clases/cd.php");
require_once("/clases/AccesoDatos.php");
$miCD = new CD();
$miCD->cantante = $_POST['cantante'];
$miCD->titulo = $_POST['titulo'];
$miCD->año = $_POST['anio'];
$ultimoID=$miCD->InsertarElCd();
echo "Ultimo ID = ".$ultimoID;
}
{
$float_price = (double) $new_price;
if ($float_price != 0) {
$formatted_price = number_format($float_price, 2);
$this->price = $formatted_price;
}
}
function getPrice()
{
return $this->price;
}
}
$first_cd = new CD("Master of Reality", "Black Sabbath", "images/reality.jpg");
$second_cd = new CD("Electric Ladyland", "Jimi Hendrix", "images/ladyland.jpg");
$third_cd = new CD("Nevermind", "Nirvana", "images/nevermind.jpg");
$fourth_cd = new CD("I don't get it", "Pork Lion", "images/porklion.jpg", 49.99);
$fourth_cd->setPrice("1.394");
$cds = array($first_cd, $second_cd, $third_cd, $fourth_cd);
?>
<!DOCTYPE html>
<html>
<head>
<link rel='stylesheet' href='https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css'>
<title>My CD Store</title>
</head>
<body>
<div class="container">
<?php
foreach ($cds as $album) {
$cd_price = $album->getPrice();
echo "<div class='row'>\n <div class='col-md-6'>\n <img src='{$album->cover_art}'>\n </div>\n <div class='col-md-6'>\n <p>{$album->title}</p>\n <p>By {$album->artist}</p>\n <p>\${$cd_price}</p>\n </div>\n </div>\n ";
{
$float_price = (double) $new_price;
if ($float_price != 0) {
$formatted_price = number_format($float_price, 2);
$this->price = $formatted_price;
}
}
function getPrice()
{
return $this->price;
}
}
$first_cd = new CD("Master of Reality", "Black Sabbath", "images/reality.jpg");
$second_cd = new CD("Electric Ladyland", "Jimi Hendrix", "images/ladyland.jpg");
$third_cd = new CD("Nevermind", "Nirvana", "images/nevermind.jpg");
$fourth_cd = new CD("IDGI", "The Internet", "images/default.mp4", 49.99);
$fourth_cd->setPrice("\$1.3925");
// instead of declaring the properties and values of each object, within the delcaration, as below, we passsing to the method an argument for each property that we want to set.
// $first_cd = new CD();
// $first_cd->title = "Master of Reality";
// $first_cd->artist = "Black Sabbath";
// $first_cd->cover_art = "images/reality.jpg";
// $first_cd->price = 10.99;
//
// $second_cd = new CD();
// $second_cd->title = "Electric Ladyland";
// $second_cd->artist = "Jimi Hendrix";
// $second_cd->cover_art = "images/ladyland.jpg";
// $second_cd->price = 10.99;
//
// $third_cd = new CD();
protected $_containers = array();
public function __construct()
{
$this->_containers[] = "CD";
$this->_containers[] = "MP3Archive";
}
public function change($originalObject, $newValue)
{
$title = $originalObject->title;
$band = $originalObject->band;
foreach ($this->_containers as $container) {
if (!$originalObject instanceof $container) {
$object = new $container();
$object->title = $title;
$object->band = $band;
foreach ($newValue as $key => $val) {
$object->{$key} = $val;
}
$object->save();
}
}
}
}
//测试实例
$titleFromDB = "Waste of a Rib";
$bandFromDB = "Never Again";
$mediator = new MusicContainerMediator();
$cd = new CD($mediator);
$cd->title = $titleFromDB;
$cd->band = $bandFromDB;
$cd->changeBandName("Maybe Once More125");
