单一入口文件：index.php
<?php //入口文件，单一入口 //载入核心启动类 include "framework/core/framework.class.php"; Framework::run(); 核心启动类文件：Framework.php
<?php //核心启动类 class Framework{ //让项目run起来 public static function run(){ self::init(); self::autoload(); self::router(); } //初始化方法 public static function init(){ //定义路径，获取当前工作路径 getcwd() define("DS", DIRECTORY_SEPARATOR); define("ROOT", getcwd() . DS); define("APP_PATH", ROOT . "application" . DS); define("FRAMEWORK_PATH", ROOT . "framework" . DS); define("PUBLIC_PATH", ROOT . "public" . DS); define("MODEL_PATH", APP_PATH . "models" . DS); define("VIEW_PATH", APP_PATH . "views" . DS); define("CONTROLLER_PATH", APP_PATH . "controllers" . DS); define("CONFIG_PATH", APP_PATH . "config" . DS); define("CORE_PATH", FRAMEWORK_PATH . "core" . DS); define("DB_PATH", FRAMEWORK_PATH . "database" . DS); define("HELPER_PATH", FRAMEWORK_PATH . "helpers" . DS); define("LIB_PATH", FRAMEWORK_PATH . "libraries" . DS); //前后台的控制器和视图目录怎么定义 define("PLATFORM", isset($_REQUEST['p']) ? $_REQUEST['p'] : "home"); define("CONTROLLER", isset($_REQUEST['c']) ? ucfirst($_REQUEST['c']) : "Index"); define("ACTION", isset($_REQUEST['a']) ? $_REQUEST['a'] : "index"); define("CUR_CONTROLLER_PATH", CONTROLLER_PATH . PLATFORM . DS); define("CUR_VIEW_PATH", VIEW_PATH . PLATFORM . DS); } //路由方法 public static function router(){ //确定类名和方法名 $controller_name = CONTROLLER . "Controller"; //如GoodsController $action_name = ACTION . "Action"; //如addAction //实例化控制器，然后调用相应的方法 $controller = new $controller_name; $controller -> $action_name(); } //自动加载方法 public static function autoload(){ spl_autoload_register(array(__CLASS__, "load")); } //加载方法 public static function load($classname){ //只负责加载 application 下面的 控制器类和模型类， 如GoodsController， AdminModel if(substr($classname, -10) == 'Controller'){ require CUR_CONTROLLER_PATH . "{$classname}.class.php"; } elseif(substr($classname, -5) == 'Model') { require MODEL_PATH . "{$classname}.class.php"; } else { } } } ?>
