简单的mvc模式实例
Lynda MVC模式有很多优势,可实现单点控制,分离代码,快速开发,后期容易维护与扩展,代码架构清晰等等。 无 ?php// mvc pattern 单点控制// 简单的控制器 Cclass NumberController extends DefaultController{public $model = null;public function __const
Lynda
MVC模式有很多优势,可实现单点控制,分离代码,快速开发,后期容易维护与扩展,代码架构清晰等等。
<?php // mvc pattern 单点控制 // 简单的控制器 C class NumberController extends DefaultController { public $model = null; public function __construct() { $this->model = NumberModel(); } // V public function view($value=0) { echo "The square of this number is: ",$this->model->square($value); } } // 控制器的基类 class DefaultController { public function run($action = 'index', $id = 0) { if (!method_exists($this, $action)) { $action = 'index'; } return $this->$action($id); } // 简单输出模版 public function index() { $html = ""; for($i = 1; $i < 10; $i++) { $html .= sprintf('<li><a href="index.php?a=view&m=number&id=%d"></a></li>', $i, "INDEX_$i"); } echo sprintf("<ul>%s</ul>", $html); } } // 一个非常简单的模型,计算四边形的面积 M class NumberModel { public function square($number) { return $number * $number; } } // 获取控制器,模型,和参数 $action = isset($_GET['a']) ? $_GET['a'] : 'index'; $module = isset($_GET['m']) ? $_GET['m'] : ''; $id = isset($_GET['id']) ? $_GET['id'] : ''; // 找到我们的控制器 switch($module) { case 'number': $controller = new NumberController(); break; default: $controller = new DefaultController(); break; } //<li><a href="index.php?a=view&m=number&id=1">Index_1</a></li> $controller->run($action, $id);

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