This is an example.<\/p>\r\n<\/body>\r\n<\/html><\/pre>
<\/p>
<\/p>
現在，如果你訪問自己網站的根資源，你會看到example.php的內容。這仍沒什么用，但你要清楚你要在以一種結構和組織非常清楚的方式在開發(fā)網絡應用。<\/p>
為了讓Zend_View的應用更清楚一點，，修改你的模板(example.php)包含以下內容：<\/p>
\r\n\r\n<?php echo $this->escape($this->title); ?><\/title>\r\n<\/head>\r\n<body> <h1><a href="http://m.miracleart.cn/">国产av日韩一区二区三区精品,成人性爱视频在线观看,国产,欧美,日韩,一区,www.成色av久久成人,2222eeee成人天堂</a></h1>\r\n <?php echo $this->escape($this->body); ?>\r\n<\/body>\r\n<\/html><\/pre><p> <\/p><p><\/p><p>現在已經添加了兩個功能。$this->escape()類方法用于所有的輸出。即使你自己創(chuàng)建輸出，就像這個例子一樣。避開所有輸出也是一個很好的習慣，它可以在默認情況下幫助你防止跨站腳本攻擊（XSS）。<\/p><p>$this->title和$this->body屬性用來展示動態(tài)數據。這些也可以在controller中定義，所以我們修改IndexController.php以指定它們：<\/p><pre class='brush:php;toolbar:false;'><?php\r\nZend::loadClass('Zend_Controller_Action');\r\nZend::loadClass('Zend_View');\r\nclass IndexController extends Zend_Controller_Action\r\n{\r\n public function indexAction()\r\n {\r\n $view = new Zend_View();\r\n $view->setScriptPath('\/path\/to\/views');\r\n $view->title = 'Dynamic Title';\r\n $view->body = 'This is a dynamic body.';\r\n echo $view->render('example.php');\r\n }\r\n public function noRouteAction()\r\n {\r\n $this->_redirect('\/');\r\n }\r\n}\r\n?><\/pre><p> <\/p><p><\/p><p>現在你再次訪問根目錄，應該就可以看到模板所使用的這些值了。因為你在模板中使用的$this就是在Zend_View范圍內所執(zhí)行的實例。<\/p><p>要記住example.php只是一個普通的PHP腳本，所以你完全可以做你想做的。只是應努力只在要求顯示數據時才使用模板。你的controller (controller分發(fā)的模塊)應處理你全部的業(yè)務邏輯。<\/p><p>在繼續(xù)之前，我想做最后一個關于Zend_View的提示。在controller的每個類方法內初始化$view對象需要額外輸入一些內容，而我們的主要目標是讓快速開發(fā)網絡應用更簡單。如果所有模板都放在一個目錄下，是否要在每個例子中都調用setScriptPath()也存在爭議。<\/p><p>幸運的是，Zend類包含了一個寄存器來幫助減少工作量。你可以用register()方法把你的$view對象存儲在寄存器：<\/p><pre class='brush:php;toolbar:false;'><?php\r\nZend::register('view', $view);\r\n?><\/pre><p> <\/p><p><\/p><p>用registry()方法進行檢索：<\/p><pre class='brush:php;toolbar:false;'><?php\r\n$view = Zend::registry('view');\r\n?><\/pre><p> <\/p><p><\/p><p>基于這點，本教程使用寄存器。 <\/p><p>Zend_InputFilter<\/p><p>本教程討論的最后一個組件是Zend_InputFilter。這個類提供了一種簡單而有效的輸入過濾方法。你可以通過提供一組待過濾數據來進行初始化。<\/p><pre class='brush:php;toolbar:false;'><?php\r\n$filterPost = new Zend_InputFilter($_POST);\r\n?><\/pre><p> <\/p><p><\/p><p>這會將($_POST)設置為NULL，所以就不能直接進入了。Zend_InputFilter提供了一個簡單、集中的根據特定規(guī)則過濾數據的類方法集。例如，你可以用getAlpha()來獲取$_POST['name']中的字母：<\/p><pre class='brush:php;toolbar:false;'><?php\r\n\/* $_POST['name'] = 'John123Doe'; *\/\r\n$filterPost = new Zend_InputFilter($_POST);\r\n\/* $_POST = NULL; *\/\r\n$alphaName = $filterPost->getAlpha('name');\r\n\/* $alphaName = 'JohnDoe'; *\/\r\n?><\/pre><p> <\/p><p><\/p><p>每一個類方法的參數都是對應要過濾的元素的關鍵詞。對象(例子中的$filterPost)可以保護數據不被篡改，并能更好地控制對數據的操作及一致性。因此，當你操縱輸入數據，應始終使用Zend_InputFilter。<\/p><p>提示：Zend_Filter提供與Zend_InputFilter方法一樣的靜態(tài)方法。<\/p><p>構建新聞管理系統(tǒng)<\/p><p>雖然預覽版提供了許多組件（甚至許多已經被開發(fā)），我們已經討論了構建一個簡單程序所需要的全部組件。在這里，你會對ZF的基本結構和設計有更清楚的理解。<\/p><p>每個人開發(fā)的程序都會有所不同，而Zend Framework試圖包容這些差異。同樣，這個教程是根據我的喜好寫的，請根據自己的偏好自行調整。<\/p><p>當我開發(fā)程序時，我會先做界面。這并不意味著我把時間都花在標簽、樣式表和圖片上，而是我從一個用戶的角度去考慮問題。因此我把程序看成是頁面的集合，每一頁都是一個獨立的網址。這個新聞系統(tǒng)就是由以下網址組成的：<\/p><p>\/<br\/>\/add\/news<br\/>\/add\/comment<br\/>\/admin<br\/>\/admin\/approve<br\/>\/view\/{id}<\/p><p>你可以直接把這些網址和controller聯(lián)系起來。IndexController列出新聞，AddController添加新聞和評論，AdminController處理一些如批準新聞之類的管理，ViewController特定新聞和對應評論的顯示。<\/p><p>如果你的FooController.php還在，把它刪除。修改IndexController.php，為業(yè)務邏輯以添加相應的action和一些注釋：<\/p><pre class='brush:php;toolbar:false;'><?php\r\nZend::loadClass('Zend_Controller_Action');\r\nclass IndexController extends Zend_Controller_Action\r\n{\r\n public function indexAction()\r\n {\r\n \/* List the news. *\/\r\n }\r\n public function noRouteAction()\r\n {\r\n $this->_redirect('\/');\r\n }\r\n}\r\n?><\/pre><p> <\/p><p><\/p><p>接下來，創(chuàng)建AddController.php文件：<\/p><pre class='brush:php;toolbar:false;'><?php\r\nZend::loadClass('Zend_Controller_Action');\r\nclass AddController extends Zend_Controller_Action\r\n{\r\n function indexAction()\r\n {\r\n $this->_redirect('\/');\r\n }\r\n function commentAction()\r\n {\r\n \/* Add a comment. *\/\r\n }\r\n function newsAction()\r\n {\r\n \/* Add news. *\/\r\n }\r\n function __call($action, $arguments)\r\n {\r\n $this->_redirect('\/');\r\n }\r\n}\r\n?><\/pre><p> <\/p><p><\/p><p>記住AddController的indexAction()方法不能調用。當訪問\/add時會執(zhí)行這個類方法。因為用戶可以手工訪問這個網址，這是有可能的，所以你要把用戶重定向到主頁、顯示錯誤或你認為合適的行為。<\/p><p>接下來，創(chuàng)建AdminController.php文件：<\/p><pre class='brush:php;toolbar:false;'><?php\r\nZend::loadClass('Zend_Controller_Action');\r\nclass AdminController extends Zend_Controller_Action\r\n{\r\n function indexAction()\r\n {\r\n \/* Display admin interface. *\/\r\n }\r\n function approveAction()\r\n {\r\n \/* Approve news. *\/\r\n }\r\n function __call($action, $arguments)\r\n {\r\n $this->_redirect('\/');\r\n }\r\n}\r\n?><\/pre><p> <\/p><p><\/p><p>最后，創(chuàng)建ViewController.php文件：<\/p><pre class='brush:php;toolbar:false;'><?php\r\nZend::loadClass('Zend_Controller_Action');\r\nclass ViewController extends Zend_Controller_Action\r\n{\r\n function indexAction()\r\n {\r\n $this->_redirect('\/');\r\n }\r\n function __call($id, $arguments)\r\n {\r\n \/* Display news and comments for $id. *\/\r\n }\r\n}\r\n?><\/pre><p> <\/p><p><\/p><p>和AddController一樣，index()方法不能調用，所以你可以使用你認為合適的action。ViewController和其它的有點不同，因為你不知道什么才是有效的action。為了支持像\/view\/23這樣的網址，你要使用__call()來支持動態(tài)action。<\/p><p>數據庫操作<\/p><p>因為Zend Framework的數據庫組件還不穩(wěn)定，而我希望這個演示可以做得簡單一點。我使用了一個簡單的類，用SQLite進行新聞條目和評論的存儲和查詢。<\/p><pre class='brush:php;toolbar:false;'><?php\r\nclass Database\r\n{\r\n private $_db;\r\n public function __construct($filename)\r\n {\r\n $this->_db = new SQLiteDatabase($filename);\r\n }\r\n public function addComment($name, $comment, $newsId)\r\n {\r\n $name = sqlite_escape_string($name);\r\n $comment = sqlite_escape_string($comment);\r\n $newsId = sqlite_escape_string($newsId);\r\n $sql = \"INSERT\r\n INTO comments (name, comment, newsId)\r\n VALUES ('$name', '$comment', '$newsId')\";\r\n return $this->_db->query($sql);\r\n }\r\n public function addNews($title, $content)\r\n {\r\n $title = sqlite_escape_string($title);\r\n $content = sqlite_escape_string($content);\r\n $sql = \"INSERT\r\n INTO news (title, content)\r\n VALUES ('$title', '$content')\";\r\n return $this->_db->query($sql);\r\n }\r\n public function approveNews($ids)\r\n {\r\n foreach ($ids as $id) {\r\n $id = sqlite_escape_string($id);\r\n $sql = \"UPDATE news\r\n SET approval = 'T'\r\n WHERE id = '$id'\";\r\n if (!$this->_db->query($sql)) {\r\n return FALSE;\r\n }\r\n }\r\n return TRUE;\r\n }\r\n public function getComments($newsId)\r\n {\r\n $newsId = sqlite_escape_string($newsId);\r\n $sql = \"SELECT name, comment\r\n FROM comments\r\n WHERE newsId = '$newsId'\";\r\n if ($result = $this->_db->query($sql)) {\r\n return $result->fetchAll();\r\n }\r\n return FALSE;\r\n }\r\n public function getNews($id = 'ALL')\r\n {\r\n $id = sqlite_escape_string($id);\r\n switch ($id) {\r\n case 'ALL':\r\n $sql = \"SELECT id,\r\n title\r\n FROM news\r\n WHERE approval = 'T'\";\r\n break;\r\n case 'NEW':\r\n $sql = \"SELECT *\r\n FROM news\r\n WHERE approval != 'T'\";\r\n break;\r\n default:\r\n $sql = \"SELECT *\r\n FROM news\r\n WHERE id = '$id'\";\r\n break;\r\n }\r\n if ($result = $this->_db->query($sql)) {\r\n if ($result->numRows() != 1) {\r\n return $result->fetchAll();\r\n } else {\r\n return $result->fetch();\r\n }\r\n }\r\n return FALSE;\r\n }\r\n}\r\n?><\/pre><p> <\/p><p><\/p><p>（你可以用自己的解決方案隨意替換這個類。這里只是為你提供一個完整示例的介紹，并非建議要這么實現。）<\/p><p>這個類的構造器需要SQLite數據庫的完整路徑和文件名，你必須自己進行創(chuàng)建。<\/p><pre class='brush:php;toolbar:false;'><?php\r\n$db = new SQLiteDatabase('\/path\/to\/db.sqlite');\r\n$db->query(\"CREATE TABLE news (\r\n id INTEGER PRIMARY KEY,\r\n title VARCHAR(255),\r\n content TEXT,\r\n approval CHAR(1) DEFAULT 'F'\r\n )\");\r\n$db->query(\"CREATE TABLE comments (\r\n id INTEGER PRIMARY KEY,\r\n name VARCHAR(255),\r\n comment TEXT,\r\n newsId INTEGER\r\n )\");\r\n?><\/pre><p> <\/p><p><\/p><p>你只需要做一次，以后直接給出Database類構造器的完整路徑和文件名即可：<\/p><pre class='brush:php;toolbar:false;'><?php\r\n$db = new Database('\/path\/to\/db.sqlite');\r\n?><\/pre><p> <\/p><p><\/p><p>整合<\/p><p>為了進行整合，在lib目錄下創(chuàng)建Database.php，loadClass()就可以找到它。你的index.php文件現在就會初始化$view和$db并存儲到寄存器。你也可以創(chuàng)建__autoload()函數自動加載你所需要的類：<\/p><pre class='brush:php;toolbar:false;'><?php\r\ninclude 'Zend.php';\r\nfunction __autoload($class)\r\n{\r\n Zend::loadClass($class);\r\n}\r\n$db = new Database('\/path\/to\/db.sqlite');\r\nZend::register('db', $db);\r\n$view = new Zend_View;\r\n$view->setScriptPath('\/path\/to\/views');\r\nZend::register('view', $view);\r\n$controller = Zend_Controller_Front::getInstance()\r\n ->setControllerDirectory('\/path\/to\/controllers')\r\n ->dispatch();\r\n?><\/pre><p> <\/p><p><\/p><p>接下來，在views目錄創(chuàng)建一些簡單的模板。index.php可以用來顯示index視圖：<\/p><pre class='brush:php;toolbar:false;'><html>\r\n<head>\r\n <title>News<\/title>\r\n<\/head>\r\n<body>\r\n <h1>News<\/h1>\r\n <?php foreach ($this->news as $entry) { ?>\r\n <p>\r\n <a href=\"\/view\/<?php echo $this->escape($entry['id']); ?>\">\r\n <?php echo $this->escape($entry['title']); ?>\r\n <\/a>\r\n <\/p>\r\n <?php } ?>\r\n <h1>Add News<\/h1>\r\n <form action=\"\/add\/news\" method=\"POST\">\r\n <p>Title:<br \/><input type=\"text\" name=\"title\" \/><\/p>\r\n <p>Content:<br \/><textarea name=\"content\"><\/textarea><\/p>\r\n <p><input type=\"submit\" value=\"Add News\" \/><\/p>\r\n <\/form>\r\n<\/body>\r\n<\/html><\/pre><p> <\/p><p><\/p><p>view.php模板可以用來顯示選定的新聞條目：<\/p><pre class='brush:php;toolbar:false;'><html>\r\n<head>\r\n <title>\r\n <?php echo $this->escape($this->news['title']); ?>\r\n <\/title>\r\n<\/head>\r\n<body>\r\n <h1>\r\n <?php echo $this->escape($this->news['title']); ?>\r\n <\/h1>\r\n <p>\r\n <?php echo $this->escape($this->news['content']); ?>\r\n <\/p>\r\n <h1>Comments<\/h1>\r\n <?php foreach ($this->comments as $comment) { ?>\r\n <p>\r\n <?php echo $this->escape($comment['name']); ?> writes:\r\n <\/p>\r\n <blockquote>\r\n <?php echo $this->escape($comment['comment']); ?>\r\n <\/blockquote>\r\n <?php } ?>\r\n <h1>Add a Comment<\/h1>\r\n <form action=\"\/add\/comment\" method=\"POST\">\r\n <input type=\"hidden\" name=\"newsId\"\r\n value=\"<?php echo $this->escape($this->id); ?>\" \/>\r\n <p>Name:<br \/><input type=\"text\" name=\"name\" \/><\/p>\r\n <p>Comment:<br \/><textarea name=\"comment\"><\/textarea><\/p>\r\n <p><input type=\"submit\" value=\"Add Comment\" \/><\/p>\r\n <\/form>\r\n<\/body>\r\n<\/html><\/pre><p> <\/p><p><\/p><p>最后，admin.php模板可以用來批準新聞條目：<\/p><pre class='brush:php;toolbar:false;'><html>\r\n<head>\r\n <title>News Admin<\/title>\r\n<\/head>\r\n<body>\r\n <form action=\"\/admin\/approve\" method=\"POST\">\r\n <?php foreach ($this->news as $entry) { ?>\r\n <p>\r\n <input type=\"checkbox\" name=\"ids[]\"\r\n value=\"<?php echo $this->escape($entry['id']); ?>\" \/>\r\n <?php echo $this->escape($entry['title']); ?>\r\n <?php echo $this->escape($entry['content']); ?>\r\n <\/p>\r\n <?php } ?>\r\n <p>\r\n Password:<br \/><input type=\"password\" name=\"password\" \/>\r\n <\/p>\r\n <p><input type=\"submit\" value=\"Approve\" \/><\/p>\r\n <\/form>\r\n<\/body>\r\n<\/html><\/pre><p> <\/p><p><\/p><p>提示：為了保持簡單，這個表單用密碼作為驗證機制。<\/p><p>使用到模板的地方，你只需要把注釋替換成幾行代碼。如IndexController.php就變成下面這樣：<\/p><pre class='brush:php;toolbar:false;'><?php\r\nclass IndexController extends Zend_Controller_Action\r\n{\r\n public function indexAction()\r\n {\r\n \/* List the news. *\/\r\n $db = Zend::registry('db');\r\n $view = Zend::registry('view');\r\n $view->news = $db->getNews();\r\n echo $view->render('index.php');\r\n }\r\n public function noRouteAction()\r\n {\r\n $this->_redirect('\/');\r\n }\r\n}\r\n?><\/pre><p> <\/p><p><\/p><p>因為條理比較清楚，這個程序首頁的整個業(yè)務邏輯只有四行代碼。AddController.php更復雜一點，它需要更多的代碼：<\/p><pre class='brush:php;toolbar:false;'><?php\r\nclass AddController extends Zend_Controller_Action\r\n{\r\n function indexAction()\r\n {\r\n $this->_redirect('\/');\r\n }\r\n function commentAction()\r\n {\r\n \/* Add a comment. *\/\r\n $filterPost = new Zend_InputFilter($_POST);\r\n $db = Zend::registry('db');\r\n $name = $filterPost->getAlpha('name');\r\n $comment = $filterPost->noTags('comment');\r\n $newsId = $filterPost->getDigits('newsId');\r\n $db->addComment($name, $comment, $newsId);\r\n $this->_redirect(\"\/view\/$newsId\");\r\n }\r\n function newsAction()\r\n {\r\n \/* Add news. *\/\r\n $filterPost = new Zend_InputFilter($_POST);\r\n $db = Zend::registry('db');\r\n $title = $filterPost->noTags('title');\r\n $content = $filterPost->noTags('content');\r\n $db->addNews($title, $content);\r\n $this->_redirect('\/');\r\n }\r\n function __call($action, $arguments)\r\n {\r\n $this->_redirect('\/');\r\n }\r\n}\r\n?><\/pre><p> <\/p><p><\/p><p>因為用戶在提交表單后被重定向，這個controller不需要視圖。<\/p><p>在AdminController.php，你要處理顯示管理界面和批準新聞兩個action：<\/p><pre class='brush:php;toolbar:false;'><?php\r\nclass AdminController extends Zend_Controller_Action\r\n{\r\n function indexAction()\r\n {\r\n \/* Display admin interface. *\/\r\n $db = Zend::registry('db');\r\n $view = Zend::registry('view');\r\n $view->news = $db->getNews('NEW');\r\n echo $view->render('admin.php');\r\n }\r\n function approveAction()\r\n {\r\n \/* Approve news. *\/\r\n $filterPost = new Zend_InputFilter($_POST);\r\n $db = Zend::registry('db');\r\n if ($filterPost->getRaw('password') == 'mypass') {\r\n $db->approveNews($filterPost->getRaw('ids'));\r\n $this->_redirect('\/');\r\n } else {\r\n echo 'The password is incorrect.';\r\n }\r\n }\r\n function __call($action, $arguments)\r\n {\r\n $this->_redirect('\/');\r\n }\r\n}\r\n?><\/pre><p> <\/p><p><\/p><p>最后是ViewController.php：<\/p><pre class='brush:php;toolbar:false;'><?php\r\nclass ViewController extends Zend_Controller_Action\r\n{\r\n function indexAction()\r\n {\r\n $this->_redirect('\/');\r\n }\r\n function __call($id, $arguments)\r\n {\r\n \/* Display news and comments for $id. *\/\r\n $id = Zend_Filter::getDigits($id);\r\n $db = Zend::registry('db');\r\n $view = Zend::registry('view');\r\n $view->news = $db->getNews($id);\r\n $view->comments = $db->getComments($id);\r\n $view->id = $id;\r\n echo $view->render('view.php');\r\n }\r\n}\r\n?><\/pre><p>? ?<\/p>\n<p><\/p>\n<p>雖然很簡單，但我們還是提供了一個功能較全的新聞和評論程序。最好的地方是由于有較好的設計，增加功能變得很簡單。而且隨著Zend Framework越來越成熟，只會變得更好。<\/p>\n<p>更多信息<\/p>\n<p>這個教程只是討論了ZF表面的一些功能，但現在也有一些其它的資源可供參考。在http:\/\/framework.zend.com\/manual\/有手冊可以查詢，Rob Allen在http:\/\/akrabat.com\/zend-framework\/介紹了一些他使用Zend Framework的經驗，而Richard Thomas也在http:\/\/www.cyberlot.net\/zendframenotes提供了一些有用的筆記。如果你有自己的想法，可以訪問Zend Framework的新論壇：http:\/\/www.phparch.com\/discuss\/index.php\/f\/289\/\/。<\/p>\n<p>結束語<\/p>\n<p>要對預覽版進行評價是很容易的事，我在寫這個教程時也遇到很多困難?？偟膩碚f，我想Zend Framework顯示了承諾,加入的每個人都是想繼續(xù)完善它。<\/p>\n<p>Ich hoffe, dass dieser Artikel für jedermann bei der PHP-Programmierung basierend auf dem Zend Framework-Framework hilfreich sein wird. <\/p>\n<p>Weitere Artikel zu Einführungs-Klassiker-Tutorials zur Zend Framework-Entwicklung finden Sie auf der chinesischen PHP-Website! <\/p>"} </script> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head> <body data-commit-time="2023-12-28T14:50:12+08:00" class="editor_body body2_2"> <link rel="stylesheet" type="text/css" href="/static/csshw/stylehw.css"> <header> <div id="377j5v51b" class="head"> <div id="377j5v51b" class="haed_left"> <div id="377j5v51b" class="haed_logo"> <a href="http://m.miracleart.cn/de/" title="" class="haed_logo_a"> <img src="/static/imghw/logo.png" alt="" class="haed_logoimg"> </a> </div> <div id="377j5v51b" class="head_nav"> <div 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src="/static/imghw/top_right.png" alt="" /> <a href="http://m.miracleart.cn/de/php-tutorials.html" class="phpgenera_Details_mainL1a">php教程</a> <img src="/static/imghw/top_right.png" alt="" /> <a href="http://m.miracleart.cn/de/php-ercikaifa.html" class="phpgenera_Details_mainL1a">PHP開發(fā)</a> <img src="/static/imghw/top_right.png" alt="" /> <span>Klassisches Tutorial für den Einstieg in die Zend Framework-Entwicklung</span> </div> <div id="377j5v51b" class="Articlelist_txts"> <div id="377j5v51b" class="Articlelist_txts_info"> <h1 class="Articlelist_txts_title">Klassisches Tutorial für den Einstieg in die Zend Framework-Entwicklung</h1> <div id="377j5v51b" class="Articlelist_txts_info_head"> <div id="377j5v51b" class="author_info"> <a href="http://m.miracleart.cn/de/member/13.html" class="author_avatar"> <img class="lazy" data-src="https://img.php.cn/upload/avatar/000/000/013/6177b5643d1eb119.png" src="/static/imghw/default1.png" alt="高洛峰"> </a> <div id="377j5v51b" class="author_detail"> <a href="http://m.miracleart.cn/de/member/13.html" class="author_name">高洛峰</a> </div> </div> </div> <span id="377j5v51b" class="Articlelist_txts_time">Jan 05, 2017 am 10:08 AM</span> </div> </div> <hr /> <div id="377j5v51b" class="article_main php-article"> <div id="377j5v51b" class="article-list-left detail-content-wrap content"> <ins class="adsbygoogle" style="display:block; text-align:center;" data-ad-layout="in-article" data-ad-format="fluid" data-ad-client="ca-pub-5902227090019525" data-ad-slot="3461856641"> </ins> <p>Dieser Artikel beschreibt die Wissenspunkte im Zusammenhang mit dem Einstieg in die Zend Framework-Entwicklung. Teilen Sie es als Referenz mit allen. Die Details lauten wie folgt: </p> <p>Zend Framework wurde ver?ffentlicht! Obwohl es sich noch in einem frühen Entwicklungsstadium befindet, stellt dieses Tutorial einige der besten verfügbaren Funktionen vor und führt Sie durch die Erstellung eines einfachen Programms. </p> <p>Zend war der erste, der ZF in der Community ver?ffentlichte. Basierend auf der gleichen Idee wurde dieses Tutorial geschrieben, um die vorhandenen F?higkeiten von ZF zu demonstrieren. Da dieses Tutorial online ver?ffentlicht wird, werde ich es bei ZF-?nderungen aktualisieren, damit es so effizient wie m?glich ist. </p> <p>Anforderungen</p> <p>Zend Framework erfordert PHP5. Um den Code in diesem Tutorial optimal nutzen zu k?nnen, ben?tigen Sie au?erdem den Apache-Webserver. Weil das Demonstrationsprogramm (ein Nachrichtenverwaltungssystem) mod_rewrite verwendet. </p> <p>Der Code für dieses Tutorial kann kostenlos heruntergeladen werden, sodass Sie es selbst ausprobieren k?nnen. Sie k?nnen den Code von der Website von Brain Buld herunterladen: http://brainbulb.com/zend-framework-tutorial.tar.gz. </p> <p>ZF herunterladen</p> <p>Wenn Sie dieses Tutorial starten, müssen Sie die neueste Version von ZF herunterladen. Sie k?nnen einen Browser verwenden, um die tar.gz- oder ZIP-Datei manuell zum Herunterladen von http://framework.zend.com/download auszuw?hlen, oder den folgenden Befehl verwenden: </p><pre class='brush:php;toolbar:false;'>$ wget http://framework.zend.com/download/tgz $ tar -xvzf ZendFramework-0.1.2.tar.gz</pre><p>Tipp: Zend plant dies Die Bereitstellung eigener PEAR-Kan?le vereinfacht das Herunterladen. </p><p>Sobald Sie die Vorschauversion heruntergeladen haben, legen Sie das Bibliotheksverzeichnis an einem geeigneten Ort ab. In diesem Tutorial habe ich die Bibliothek in lib umbenannt, um eine übersichtliche Verzeichnisstruktur zu erhalten: </p><p>app/<br/> view/<br/> controllers/<br/>www/<br/> .htaccess<br/> index. php<br/>lib/</p><p>Das www-Verzeichnis ist das Stammverzeichnis des Dokuments, die Controller- und View-Verzeichnisse sind leere Verzeichnisse, die sp?ter verwendet werden, und das lib-Verzeichnis stammt aus der Vorschauversion, die Sie heruntergeladen haben. </p><p>Start</p><p>Die erste Komponente, die ich vorstellen m?chte, ist Zend_Controller. Es stellt in vielerlei Hinsicht die Grundlage für die von Ihnen entwickelten Programme dar und bestimmt teilweise auch, dass Zend Framework mehr als nur eine Sammlung von Komponenten ist. Sie müssen jedoch alle erhaltenen Anfragen in ein einfaches PHP-Skript einfügen, bevor Sie es verwenden k?nnen. Dieses Tutorial verwendet mod_rewrite. </p><p>Die Verwendung von mod_rewrite ist eine Kunst für sich, aber glücklicherweise ist diese spezielle Aufgabe überraschend einfach. Wenn Sie mit mod_rewrite oder der Apache-Konfiguration im Allgemeinen nicht vertraut sind, erstellen Sie eine .htaccess-Datei im Dokumentstamm und fügen Sie den folgenden Inhalt hinzu: </p><pre class='brush:php;toolbar:false;'>RewriteEngine on RewriteRule !/.(js|ico|gif|jpg|png|css)$ index.php</pre><p> </p><p></p><p> Tipp: Ein TODO-Punkt für Zend_Controller besteht darin, die Abh?ngigkeit von mod_rewrite zu entfernen. Um eine Vorschau des Beispiels bereitzustellen, verwendet dieses Tutorial mod_rewrite. </p><p>Wenn Sie diese Inhalte direkt zu httpd.conf hinzufügen, müssen Sie den Webserver neu starten. Wenn Sie jedoch eine .htaccess-Datei verwenden, müssen Sie nichts tun. Sie k?nnen einen schnellen Test durchführen, indem Sie einen bestimmten Text in index.php einfügen und auf einen beliebigen Pfad zugreifen, z. B. /foo/bar. Wenn Ihr Domainname example.org lautet, besuchen Sie http://example.org/foo/bar. </p><p>Sie müssen au?erdem den Pfad der ZF-Bibliothek auf include_path festlegen. Sie k?nnen es in php.ini festlegen oder den folgenden Inhalt direkt in Ihre .htaccess-Datei einfügen: </p><pre class='brush:php;toolbar:false;'>php_value include_path "/path/to/lib"</pre><p> </p><p></p><p>Zend</p><p>Zend Eine Klasse enth?lt eine Sammlung h?ufig verwendeter statischer Methoden. Hier ist die einzige Klasse, die Sie manuell hinzufügen müssen: </p><pre class='brush:php;toolbar:false;'><?php include 'Zend.php'; ?></pre><p> </p><p></p><p> Sobald Sie Zend.php eingebunden haben, haben Sie alle Klassenmethoden der Zend-Klassen eingebunden. Sie k?nnen andere Klassen einfach mit loadClass() laden. Laden Sie beispielsweise die Zend_Controller_Front-Klasse: </p><pre class='brush:php;toolbar:false;'><?php include 'Zend.php'; Zend::loadClass('Zend_Controller_Front'); ?></pre><p> </p><p></p><p>include_path kann die Organisation und Verzeichnisstruktur von Loadclass() und ZF verstehen. Ich verwende es, um alle anderen Klassen zu laden. </p><p>Zend_Controller</p><p>Die Verwendung dieses Controllers ist sehr intuitiv. Tats?chlich habe ich beim Schreiben dieses Tutorials nicht auf die umfangreiche Dokumentation zurückgegriffen. </p><p>Tipps: Die Dokumentation ist derzeit unter http://framework.zend.com/manual/zend.controller.html verfügbar. </p><p>Ich habe zun?chst einen Front-Controller namens Zend_Controller_Front verwendet. Um zu verstehen, wie es funktioniert, fügen Sie den folgenden Code in Ihre index.php-Datei ein: </p><pre class='brush:php;toolbar:false;'><?php include 'Zend.php'; Zend::loadClass('Zend_Controller_Front'); $controller = Zend_Controller_Front::getInstance(); $controller->setControllerDirectory('/path/to/controllers'); $controller->dispatch(); ?></pre><p> </p><p></p><p> Wenn Sie Objektverknüpfungen bevorzugen, k?nnen Sie den folgenden Code verwenden stattdessen: </p><pre class='brush:php;toolbar:false;'><?php include 'Zend.php'; Zend::loadClass('Zend_Controller_Front'); $controller = Zend_Controller_Front::getInstance() ->setControllerDirectory('/path/to/controllers') ->dispatch(); ?></pre><p> </p><p></p><p>Wenn Sie nun auf /foo/bar zugreifen, tritt ein Fehler auf. Das stimmt! Es l?sst Sie wissen, was los ist. Das Hauptproblem besteht darin, dass die Datei IndexController.php nicht gefunden werden kann. </p><p>Bevor Sie diese Datei erstellen, sollten Sie zun?chst verstehen, wie die Regierung m?chte, dass Sie diese Dinge organisieren. ZF teilt die Zugriffsanfragen auf. Wenn Sie auf /foo/bar zugreifen, ist foo der Controller und bar die Aktion. Ihre Standardwerte sind alle index.</p><p>Wenn foo ein Controller ist, sucht ZF nach der Datei FooController.php im Controller-Verzeichnis. Da diese Datei nicht existiert, greift ZF auf IndexController.php zurück. Da keine Ergebnisse gefunden wurden, wurde ein Fehler gemeldet. </p><p>Als n?chstes erstellen Sie die Datei IndexController.php im Controller-Verzeichnis (kann mit setControllerDirectory() festgelegt werden): </p><pre class='brush:php;toolbar:false;'><?php Zend::loadClass('Zend_Controller_Action'); class IndexController extends Zend_Controller_Action { public function indexAction() { echo 'IndexController::indexAction()'; } } ?></pre><p> </p><p></p><p>就如剛才說明的，IndexController類處理來自index controller或controller不存在的請求。indexAction()方法處理action為index的訪問。要記住的是index是controller和action的默認值。如果你訪問/，/index或/index/index，indexAction()方法就會被執(zhí)行。 (最后面的斜杠并不會改變這個行為。) 而訪問其他任何資源只會導致出錯。</p><p>在繼續(xù)做之前，還要在IndexController加上另外一個有用的類方法。不管什么時候訪問一個不存在的控制器，都要調用noRouteAction()類方法。例如，在FooController.php不存在的條件下，訪問/foo/bar就會執(zhí)行noRouteAction()。但是訪問/index/foo仍會出錯，因為foo是action，而不是controller.</p><p>將noRouteAction()添加到IndexController.php:</p><pre class='brush:php;toolbar:false;'><?php Zend::loadClass('Zend_Controller_Action'); class IndexController extends Zend_Controller_Action { public function indexAction() { echo 'IndexController::indexAction()'; } public function noRouteAction() { $this->_redirect('/'); } } ?></pre><p> </p><p></p><p>例子中使用$this->_redirect('/')來描述執(zhí)行noRouteAction()時，可能發(fā)生的行為。這會將對不存在controllers的訪問重定向到根文檔（首頁）。</p><p>現在創(chuàng)建FooController.php：</p><pre class='brush:php;toolbar:false;'><?php Zend::loadClass('Zend_Controller_Action'); class FooController extends Zend_Controller_Action { public function indexAction() { echo 'FooController::indexAction()'; } public function barAction() { echo 'FooController::barAction()'; } } ?></pre><p> </p><p></p><p>如果你再次訪問/foo/bar，你會發(fā)現執(zhí)行了barAction()，因為bar是action?，F在你不只支持了友好的URL，還可以只用幾行代碼就做得這么有條理?？岚?！<br/>你也可以創(chuàng)建一個__call()類方法來處理像/foo/baz這樣未定義的action。</p><pre class='brush:php;toolbar:false;'><?php Zend::loadClass('Zend_Controller_Action'); class FooController extends Zend_Controller_Action { public function indexAction() { echo 'FooController::indexAction()'; } public function barAction() { echo 'FooController::barAction()'; } public function __call($action, $arguments) { echo 'FooController:__call()'; } } ?></pre><p> </p><p></p><p>現在你只要幾行代碼就可以很好地處理用戶的訪問了，準備好繼續(xù)。</p><p>Zend_View</p><p>Zend_View是一個用來幫助你組織好你的view邏輯的類。這對于模板-系統(tǒng)是不可知的，為了簡單起見，本教程不使用模板。如果你喜歡的話，不妨用一下。</p><p>記住，現在所有的訪問都是由front controller進行處理。因此應用框架已經存在了，另外也必須遵守它。為了展示Zend_View的一個基本應用，將IndexController.php修改如下：</p><pre class='brush:php;toolbar:false;'><?php Zend::loadClass('Zend_Controller_Action'); Zend::loadClass('Zend_View'); class IndexController extends Zend_Controller_Action { public function indexAction() { $view = new Zend_View(); $view->setScriptPath('/path/to/views'); echo $view->render('example.php'); } public function noRouteAction() { $this->_redirect('/'); } } ?></pre><p> </p><p></p><p>在views目錄創(chuàng)建example.php文件：</p><pre class='brush:php;toolbar:false;'><html> <head> <title>This Is an Example</title> </head> <body> <p>This is an example.</p> </body> </html></pre><p> </p><p></p><p>現在，如果你訪問自己網站的根資源，你會看到example.php的內容。這仍沒什么用，但你要清楚你要在以一種結構和組織非常清楚的方式在開發(fā)網絡應用。</p><p>為了讓Zend_View的應用更清楚一點，，修改你的模板(example.php)包含以下內容：</p><pre class='brush:php;toolbar:false;'><html> <head> <title><?php echo $this->escape($this->title); ?></title> </head> <body> <?php echo $this->escape($this->body); ?> </body> </html></pre><p> </p><p></p><p>現在已經添加了兩個功能。$this->escape()類方法用于所有的輸出。即使你自己創(chuàng)建輸出，就像這個例子一樣。避開所有輸出也是一個很好的習慣，它可以在默認情況下幫助你防止跨站腳本攻擊（XSS）。</p><p>$this->title和$this->body屬性用來展示動態(tài)數據。這些也可以在controller中定義，所以我們修改IndexController.php以指定它們：</p><pre class='brush:php;toolbar:false;'><?php Zend::loadClass('Zend_Controller_Action'); Zend::loadClass('Zend_View'); class IndexController extends Zend_Controller_Action { public function indexAction() { $view = new Zend_View(); $view->setScriptPath('/path/to/views'); $view->title = 'Dynamic Title'; $view->body = 'This is a dynamic body.'; echo $view->render('example.php'); } public function noRouteAction() { $this->_redirect('/'); } } ?></pre><p> </p><p></p><p>現在你再次訪問根目錄，應該就可以看到模板所使用的這些值了。因為你在模板中使用的$this就是在Zend_View范圍內所執(zhí)行的實例。</p><p>要記住example.php只是一個普通的PHP腳本，所以你完全可以做你想做的。只是應努力只在要求顯示數據時才使用模板。你的controller (controller分發(fā)的模塊)應處理你全部的業(yè)務邏輯。</p><p>在繼續(xù)之前，我想做最后一個關于Zend_View的提示。在controller的每個類方法內初始化$view對象需要額外輸入一些內容，而我們的主要目標是讓快速開發(fā)網絡應用更簡單。如果所有模板都放在一個目錄下，是否要在每個例子中都調用setScriptPath()也存在爭議。</p><p>幸運的是，Zend類包含了一個寄存器來幫助減少工作量。你可以用register()方法把你的$view對象存儲在寄存器：</p><pre class='brush:php;toolbar:false;'><?php Zend::register('view', $view); ?></pre><p> </p><p></p><p>用registry()方法進行檢索：</p><pre class='brush:php;toolbar:false;'><?php $view = Zend::registry('view'); ?></pre><p> </p><p></p><p>基于這點，本教程使用寄存器。 </p><p>Zend_InputFilter</p><p>本教程討論的最后一個組件是Zend_InputFilter。這個類提供了一種簡單而有效的輸入過濾方法。你可以通過提供一組待過濾數據來進行初始化。</p><pre class='brush:php;toolbar:false;'><?php $filterPost = new Zend_InputFilter($_POST); ?></pre><p> </p><p></p><p>這會將($_POST)設置為NULL，所以就不能直接進入了。Zend_InputFilter提供了一個簡單、集中的根據特定規(guī)則過濾數據的類方法集。例如，你可以用getAlpha()來獲取$_POST['name']中的字母：</p><pre class='brush:php;toolbar:false;'><?php /* $_POST['name'] = 'John123Doe'; */ $filterPost = new Zend_InputFilter($_POST); /* $_POST = NULL; */ $alphaName = $filterPost->getAlpha('name'); /* $alphaName = 'JohnDoe'; */ ?></pre><p> </p><p></p><p>每一個類方法的參數都是對應要過濾的元素的關鍵詞。對象(例子中的$filterPost)可以保護數據不被篡改，并能更好地控制對數據的操作及一致性。因此，當你操縱輸入數據，應始終使用Zend_InputFilter。</p><p>提示：Zend_Filter提供與Zend_InputFilter方法一樣的靜態(tài)方法。</p><p>構建新聞管理系統(tǒng)</p><p>雖然預覽版提供了許多組件（甚至許多已經被開發(fā)），我們已經討論了構建一個簡單程序所需要的全部組件。在這里，你會對ZF的基本結構和設計有更清楚的理解。</p><p>每個人開發(fā)的程序都會有所不同，而Zend Framework試圖包容這些差異。同樣，這個教程是根據我的喜好寫的，請根據自己的偏好自行調整。</p><p>當我開發(fā)程序時，我會先做界面。這并不意味著我把時間都花在標簽、樣式表和圖片上，而是我從一個用戶的角度去考慮問題。因此我把程序看成是頁面的集合，每一頁都是一個獨立的網址。這個新聞系統(tǒng)就是由以下網址組成的：</p><p>/<br/>/add/news<br/>/add/comment<br/>/admin<br/>/admin/approve<br/>/view/{id}</p><p>你可以直接把這些網址和controller聯(lián)系起來。IndexController列出新聞，AddController添加新聞和評論，AdminController處理一些如批準新聞之類的管理，ViewController特定新聞和對應評論的顯示。</p><p>如果你的FooController.php還在，把它刪除。修改IndexController.php，為業(yè)務邏輯以添加相應的action和一些注釋：</p><pre class='brush:php;toolbar:false;'><?php Zend::loadClass('Zend_Controller_Action'); class IndexController extends Zend_Controller_Action { public function indexAction() { /* List the news. */ } public function noRouteAction() { $this->_redirect('/'); } } ?></pre><p> </p><p></p><p>接下來，創(chuàng)建AddController.php文件：</p><pre class='brush:php;toolbar:false;'><?php Zend::loadClass('Zend_Controller_Action'); class AddController extends Zend_Controller_Action { function indexAction() { $this->_redirect('/'); } function commentAction() { /* Add a comment. */ } function newsAction() { /* Add news. */ } function __call($action, $arguments) { $this->_redirect('/'); } } ?></pre><p> </p><p></p><p>記住AddController的indexAction()方法不能調用。當訪問/add時會執(zhí)行這個類方法。因為用戶可以手工訪問這個網址，這是有可能的，所以你要把用戶重定向到主頁、顯示錯誤或你認為合適的行為。</p><p>接下來，創(chuàng)建AdminController.php文件：</p><pre class='brush:php;toolbar:false;'><?php Zend::loadClass('Zend_Controller_Action'); class AdminController extends Zend_Controller_Action { function indexAction() { /* Display admin interface. */ } function approveAction() { /* Approve news. */ } function __call($action, $arguments) { $this->_redirect('/'); } } ?></pre><p> </p><p></p><p>最后，創(chuàng)建ViewController.php文件：</p><pre class='brush:php;toolbar:false;'><?php Zend::loadClass('Zend_Controller_Action'); class ViewController extends Zend_Controller_Action { function indexAction() { $this->_redirect('/'); } function __call($id, $arguments) { /* Display news and comments for $id. */ } } ?></pre><p> </p><p></p><p>和AddController一樣，index()方法不能調用，所以你可以使用你認為合適的action。ViewController和其它的有點不同，因為你不知道什么才是有效的action。為了支持像/view/23這樣的網址，你要使用__call()來支持動態(tài)action。</p><p>數據庫操作</p><p>因為Zend Framework的數據庫組件還不穩(wěn)定，而我希望這個演示可以做得簡單一點。我使用了一個簡單的類，用SQLite進行新聞條目和評論的存儲和查詢。</p><pre class='brush:php;toolbar:false;'><?php class Database { private $_db; public function __construct($filename) { $this->_db = new SQLiteDatabase($filename); } public function addComment($name, $comment, $newsId) { $name = sqlite_escape_string($name); $comment = sqlite_escape_string($comment); $newsId = sqlite_escape_string($newsId); $sql = "INSERT INTO comments (name, comment, newsId) VALUES ('$name', '$comment', '$newsId')"; return $this->_db->query($sql); } public function addNews($title, $content) { $title = sqlite_escape_string($title); $content = sqlite_escape_string($content); $sql = "INSERT INTO news (title, content) VALUES ('$title', '$content')"; return $this->_db->query($sql); } public function approveNews($ids) { foreach ($ids as $id) { $id = sqlite_escape_string($id); $sql = "UPDATE news SET approval = 'T' WHERE id = '$id'"; if (!$this->_db->query($sql)) { return FALSE; } } return TRUE; } public function getComments($newsId) { $newsId = sqlite_escape_string($newsId); $sql = "SELECT name, comment FROM comments WHERE newsId = '$newsId'"; if ($result = $this->_db->query($sql)) { return $result->fetchAll(); } return FALSE; } public function getNews($id = 'ALL') { $id = sqlite_escape_string($id); switch ($id) { case 'ALL': $sql = "SELECT id, title FROM news WHERE approval = 'T'"; break; case 'NEW': $sql = "SELECT * FROM news WHERE approval != 'T'"; break; default: $sql = "SELECT * FROM news WHERE id = '$id'"; break; } if ($result = $this->_db->query($sql)) { if ($result->numRows() != 1) { return $result->fetchAll(); } else { return $result->fetch(); } } return FALSE; } } ?></pre><p> </p><p></p><p>（你可以用自己的解決方案隨意替換這個類。這里只是為你提供一個完整示例的介紹，并非建議要這么實現。）</p><p>這個類的構造器需要SQLite數據庫的完整路徑和文件名，你必須自己進行創(chuàng)建。</p><pre class='brush:php;toolbar:false;'><?php $db = new SQLiteDatabase('/path/to/db.sqlite'); $db->query("CREATE TABLE news ( id INTEGER PRIMARY KEY, title VARCHAR(255), content TEXT, approval CHAR(1) DEFAULT 'F' )"); $db->query("CREATE TABLE comments ( id INTEGER PRIMARY KEY, name VARCHAR(255), comment TEXT, newsId INTEGER )"); ?></pre><p> </p><p></p><p>你只需要做一次，以后直接給出Database類構造器的完整路徑和文件名即可：</p><pre class='brush:php;toolbar:false;'><?php $db = new Database('/path/to/db.sqlite'); ?></pre><p> </p><p></p><p>整合</p><p>為了進行整合，在lib目錄下創(chuàng)建Database.php，loadClass()就可以找到它。你的index.php文件現在就會初始化$view和$db并存儲到寄存器。你也可以創(chuàng)建__autoload()函數自動加載你所需要的類：</p><pre class='brush:php;toolbar:false;'><?php include 'Zend.php'; function __autoload($class) { Zend::loadClass($class); } $db = new Database('/path/to/db.sqlite'); Zend::register('db', $db); $view = new Zend_View; $view->setScriptPath('/path/to/views'); Zend::register('view', $view); $controller = Zend_Controller_Front::getInstance() ->setControllerDirectory('/path/to/controllers') ->dispatch(); ?></pre><p> </p><p></p><p>接下來，在views目錄創(chuàng)建一些簡單的模板。index.php可以用來顯示index視圖：</p><pre class='brush:php;toolbar:false;'><html> <head> <title>News</title> </head> <body> <h1>News</h1> <?php foreach ($this->news as $entry) { ?> <p> <a href="/view/<?php echo $this->escape($entry['id']); ?>"> <?php echo $this->escape($entry['title']); ?> </a> </p> <?php } ?> <h1>Add News</h1> <form action="/add/news" method="POST"> <p>Title:<br /><input type="text" name="title" /></p> <p>Content:<br /><textarea name="content"></textarea></p> <p><input type="submit" value="Add News" /></p> </form> </body> </html></pre><p> </p><p></p><p>view.php模板可以用來顯示選定的新聞條目：</p><pre class='brush:php;toolbar:false;'><html> <head> <title> <?php echo $this->escape($this->news['title']); ?> </title> </head> <body> <h1> <?php echo $this->escape($this->news['title']); ?> </h1> <p> <?php echo $this->escape($this->news['content']); ?> </p> <h1>Comments</h1> <?php foreach ($this->comments as $comment) { ?> <p> <?php echo $this->escape($comment['name']); ?> writes: </p> <blockquote> <?php echo $this->escape($comment['comment']); ?> </blockquote> <?php } ?> <h1>Add a Comment</h1> <form action="/add/comment" method="POST"> <input type="hidden" name="newsId" value="<?php echo $this->escape($this->id); ?>" /> <p>Name:<br /><input type="text" name="name" /></p> <p>Comment:<br /><textarea name="comment"></textarea></p> <p><input type="submit" value="Add Comment" /></p> </form> </body> </html></pre><p> </p><p></p><p>最后，admin.php模板可以用來批準新聞條目：</p><pre class='brush:php;toolbar:false;'><html> <head> <title>News Admin</title> </head> <body> <form action="/admin/approve" method="POST"> <?php foreach ($this->news as $entry) { ?> <p> <input type="checkbox" name="ids[]" value="<?php echo $this->escape($entry['id']); ?>" /> <?php echo $this->escape($entry['title']); ?> <?php echo $this->escape($entry['content']); ?> </p> <?php } ?> <p> Password:<br /><input type="password" name="password" /> </p> <p><input type="submit" value="Approve" /></p> </form> </body> </html></pre><p> </p><p></p><p>提示：為了保持簡單，這個表單用密碼作為驗證機制。</p><p>使用到模板的地方，你只需要把注釋替換成幾行代碼。如IndexController.php就變成下面這樣：</p><pre class='brush:php;toolbar:false;'><?php class IndexController extends Zend_Controller_Action { public function indexAction() { /* List the news. */ $db = Zend::registry('db'); $view = Zend::registry('view'); $view->news = $db->getNews(); echo $view->render('index.php'); } public function noRouteAction() { $this->_redirect('/'); } } ?></pre><p> </p><p></p><p>因為條理比較清楚，這個程序首頁的整個業(yè)務邏輯只有四行代碼。AddController.php更復雜一點，它需要更多的代碼：</p><pre class='brush:php;toolbar:false;'><?php class AddController extends Zend_Controller_Action { function indexAction() { $this->_redirect('/'); } function commentAction() { /* Add a comment. */ $filterPost = new Zend_InputFilter($_POST); $db = Zend::registry('db'); $name = $filterPost->getAlpha('name'); $comment = $filterPost->noTags('comment'); $newsId = $filterPost->getDigits('newsId'); $db->addComment($name, $comment, $newsId); $this->_redirect("/view/$newsId"); } function newsAction() { /* Add news. */ $filterPost = new Zend_InputFilter($_POST); $db = Zend::registry('db'); $title = $filterPost->noTags('title'); $content = $filterPost->noTags('content'); $db->addNews($title, $content); $this->_redirect('/'); } function __call($action, $arguments) { $this->_redirect('/'); } } ?></pre><p> </p><p></p><p>因為用戶在提交表單后被重定向，這個controller不需要視圖。</p><p>在AdminController.php，你要處理顯示管理界面和批準新聞兩個action：</p><pre class='brush:php;toolbar:false;'><?php class AdminController extends Zend_Controller_Action { function indexAction() { /* Display admin interface. */ $db = Zend::registry('db'); $view = Zend::registry('view'); $view->news = $db->getNews('NEW'); echo $view->render('admin.php'); } function approveAction() { /* Approve news. */ $filterPost = new Zend_InputFilter($_POST); $db = Zend::registry('db'); if ($filterPost->getRaw('password') == 'mypass') { $db->approveNews($filterPost->getRaw('ids')); $this->_redirect('/'); } else { echo 'The password is incorrect.'; } } function __call($action, $arguments) { $this->_redirect('/'); } } ?></pre><p> </p><p></p><p>最后是ViewController.php：</p><pre class='brush:php;toolbar:false;'><?php class ViewController extends Zend_Controller_Action { function indexAction() { $this->_redirect('/'); } function __call($id, $arguments) { /* Display news and comments for $id. */ $id = Zend_Filter::getDigits($id); $db = Zend::registry('db'); $view = Zend::registry('view'); $view->news = $db->getNews($id); $view->comments = $db->getComments($id); $view->id = $id; echo $view->render('view.php'); } } ?></pre><p>? ?</p> <p></p> <p>雖然很簡單，但我們還是提供了一個功能較全的新聞和評論程序。最好的地方是由于有較好的設計，增加功能變得很簡單。而且隨著Zend Framework越來越成熟，只會變得更好。</p> <p>更多信息</p> <p>這個教程只是討論了ZF表面的一些功能，但現在也有一些其它的資源可供參考。在http://framework.zend.com/manual/有手冊可以查詢，Rob Allen在http://akrabat.com/zend-framework/介紹了一些他使用Zend Framework的經驗，而Richard Thomas也在http://www.cyberlot.net/zendframenotes提供了一些有用的筆記。如果你有自己的想法，可以訪問Zend Framework的新論壇：http://www.phparch.com/discuss/index.php/f/289//。</p> <p>結束語</p> <p>要對預覽版進行評價是很容易的事，我在寫這個教程時也遇到很多困難?？偟膩碚f，我想Zend Framework顯示了承諾,加入的每個人都是想繼續(xù)完善它。</p> <p>Ich hoffe, dass dieser Artikel für jedermann bei der PHP-Programmierung basierend auf dem Zend Framework-Framework hilfreich sein wird. </p> <p>Weitere Artikel zu Einführungs-Klassiker-Tutorials zur Zend Framework-Entwicklung finden Sie auf der chinesischen PHP-Website! </p> </div> </div> <div id="377j5v51b" class="wzconShengming_sp"> <div id="377j5v51b" class="bzsmdiv_sp">Erkl?rung dieser Website</div> <div>Der Inhalt dieses Artikels wird freiwillig von Internetnutzern beigesteuert und das Urheberrecht liegt beim ursprünglichen Autor. 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