<?php
namespace core\base;

/**
 * 视图类
 */
class View
{
    protected $_controller;
    protected $_action;
    protected $_vars = array();

    public function __construct($controller, $action)
    {
        $this->_controller = $controller;
        $this->_action = $action;
    }

    // 分配变量
    public function assign($name, $value)
    {
        $this->_vars[$name] = $value;
    }

    // 渲染视图
    public function render()
    {
        extract($this->_vars);
        $viewFile = APP_PATH . 'app/views/' . $this->_controller . '/' . $this->_action . '.php';
        
        if (is_file($viewFile)) {
            include $viewFile;
        } else {
            exit('视图文件不存在');
        }
    }
}