mirror of
https://gitee.com/zoujingli/ThinkAdmin.git
synced 2025-11-04 21:52:10 +08:00
569 lines
16 KiB
PHP
569 lines
16 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2018 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace think;
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use ArrayAccess;
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use ArrayIterator;
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use Closure;
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use Countable;
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use InvalidArgumentException;
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use IteratorAggregate;
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use ReflectionClass;
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use ReflectionException;
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use ReflectionFunction;
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use ReflectionMethod;
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use think\exception\ClassNotFoundException;
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/**
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* @package think
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* @property Build $build
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* @property Cache $cache
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* @property Config $config
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* @property Cookie $cookie
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* @property Debug $debug
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* @property Env $env
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* @property Hook $hook
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* @property Lang $lang
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* @property Middleware $middleware
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* @property Request $request
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* @property Response $response
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* @property Route $route
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* @property Session $session
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* @property Template $template
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* @property Url $url
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* @property Validate $validate
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* @property View $view
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* @property route\RuleName $rule_name
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* @property Log $log
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*/
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class Container implements ArrayAccess, IteratorAggregate, Countable
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{
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/**
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* 容器对象实例
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* @var Container
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*/
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protected static $instance;
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/**
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* 容器中的对象实例
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* @var array
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*/
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protected $instances = [];
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/**
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* 容器绑定标识
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* @var array
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*/
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protected $bind = [
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'app' => App::class,
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'build' => Build::class,
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'cache' => Cache::class,
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'config' => Config::class,
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'cookie' => Cookie::class,
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'debug' => Debug::class,
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'env' => Env::class,
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'hook' => Hook::class,
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'lang' => Lang::class,
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'log' => Log::class,
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'middleware' => Middleware::class,
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'request' => Request::class,
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'response' => Response::class,
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'route' => Route::class,
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'session' => Session::class,
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'template' => Template::class,
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'url' => Url::class,
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'validate' => Validate::class,
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'view' => View::class,
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'rule_name' => route\RuleName::class,
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// 接口依赖注入
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'think\LoggerInterface' => Log::class,
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];
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/**
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* 容器标识别名
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* @var array
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*/
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protected $name = [];
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/**
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* 获取当前容器的实例（单例）
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* @access public
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* @return static
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*/
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public static function getInstance()
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{
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if (is_null(static::$instance)) {
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static::$instance = new static;
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}
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return static::$instance;
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}
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/**
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* 设置当前容器的实例
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* @access public
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* @param object $instance
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* @return void
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*/
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public static function setInstance($instance)
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{
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static::$instance = $instance;
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}
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/**
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* 获取容器中的对象实例
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* @access public
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* @param string $abstract 类名或者标识
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* @param array|true $vars 变量
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* @param bool $newInstance 是否每次创建新的实例
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* @return object
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*/
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public static function get($abstract, $vars = [], $newInstance = false)
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{
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return static::getInstance()->make($abstract, $vars, $newInstance);
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}
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/**
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* 绑定一个类、闭包、实例、接口实现到容器
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* @access public
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* @param string $abstract 类标识、接口
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* @param mixed $concrete 要绑定的类、闭包或者实例
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* @return Container
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*/
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public static function set($abstract, $concrete = null)
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{
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return static::getInstance()->bindTo($abstract, $concrete);
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}
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/**
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* 移除容器中的对象实例
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* @access public
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* @param string $abstract 类标识、接口
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* @return void
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*/
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public static function remove($abstract)
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{
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return static::getInstance()->delete($abstract);
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}
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/**
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* 清除容器中的对象实例
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* @access public
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* @return void
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*/
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public static function clear()
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{
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return static::getInstance()->flush();
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}
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/**
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* 绑定一个类、闭包、实例、接口实现到容器
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* @access public
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* @param string|array $abstract 类标识、接口
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* @param mixed $concrete 要绑定的类、闭包或者实例
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* @return $this
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*/
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public function bindTo($abstract, $concrete = null)
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{
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if (is_array($abstract)) {
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$this->bind = array_merge($this->bind, $abstract);
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} elseif ($concrete instanceof Closure) {
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$this->bind[$abstract] = $concrete;
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} elseif (is_object($concrete)) {
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if (isset($this->bind[$abstract])) {
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$abstract = $this->bind[$abstract];
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}
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$this->instances[$abstract] = $concrete;
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} else {
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$this->bind[$abstract] = $concrete;
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}
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return $this;
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}
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/**
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* 绑定一个类实例当容器
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* @access public
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* @param string $abstract 类名或者标识
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* @param object|\Closure $instance 类的实例
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* @return $this
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*/
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public function instance($abstract, $instance)
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{
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if ($instance instanceof \Closure) {
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$this->bind[$abstract] = $instance;
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} else {
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if (isset($this->bind[$abstract])) {
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$abstract = $this->bind[$abstract];
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}
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$this->instances[$abstract] = $instance;
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}
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return $this;
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}
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/**
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* 判断容器中是否存在类及标识
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* @access public
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* @param string $abstract 类名或者标识
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* @return bool
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*/
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public function bound($abstract)
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{
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return isset($this->bind[$abstract]) || isset($this->instances[$abstract]);
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}
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/**
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* 判断容器中是否存在对象实例
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* @access public
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* @param string $abstract 类名或者标识
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* @return bool
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*/
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public function exists($abstract)
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{
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if (isset($this->bind[$abstract])) {
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$abstract = $this->bind[$abstract];
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}
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return isset($this->instances[$abstract]);
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}
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/**
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* 判断容器中是否存在类及标识
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* @access public
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* @param string $name 类名或者标识
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* @return bool
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*/
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public function has($name)
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{
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return $this->bound($name);
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}
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/**
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* 创建类的实例
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* @access public
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* @param string $abstract 类名或者标识
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* @param array|true $vars 变量
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* @param bool $newInstance 是否每次创建新的实例
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* @return object
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*/
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public function make($abstract, $vars = [], $newInstance = false)
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{
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if (true === $vars) {
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// 总是创建新的实例化对象
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$newInstance = true;
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$vars = [];
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}
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$abstract = isset($this->name[$abstract]) ? $this->name[$abstract] : $abstract;
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if (isset($this->instances[$abstract]) && !$newInstance) {
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return $this->instances[$abstract];
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}
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if (isset($this->bind[$abstract])) {
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$concrete = $this->bind[$abstract];
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if ($concrete instanceof Closure) {
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$object = $this->invokeFunction($concrete, $vars);
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} else {
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$this->name[$abstract] = $concrete;
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return $this->make($concrete, $vars, $newInstance);
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}
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} else {
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$object = $this->invokeClass($abstract, $vars);
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}
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if (!$newInstance) {
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$this->instances[$abstract] = $object;
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}
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return $object;
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}
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/**
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* 删除容器中的对象实例
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* @access public
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* @param string|array $abstract 类名或者标识
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* @return void
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*/
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public function delete($abstract)
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{
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foreach ((array) $abstract as $name) {
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$name = isset($this->name[$name]) ? $this->name[$name] : $name;
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if (isset($this->instances[$name])) {
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unset($this->instances[$name]);
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}
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}
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}
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/**
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* 获取容器中的对象实例
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* @access public
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* @return array
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*/
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public function all()
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{
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return $this->instances;
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}
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/**
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* 清除容器中的对象实例
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* @access public
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* @return void
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*/
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public function flush()
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{
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$this->instances = [];
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$this->bind = [];
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$this->name = [];
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}
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/**
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* 执行函数或者闭包方法 支持参数调用
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* @access public
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* @param mixed $function 函数或者闭包
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* @param array $vars 参数
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* @return mixed
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*/
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public function invokeFunction($function, $vars = [])
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{
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try {
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$reflect = new ReflectionFunction($function);
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$args = $this->bindParams($reflect, $vars);
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return call_user_func_array($function, $args);
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} catch (ReflectionException $e) {
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throw new Exception('function not exists: ' . $function . '()');
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}
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}
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/**
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* 调用反射执行类的方法 支持参数绑定
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* @access public
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* @param mixed $method 方法
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* @param array $vars 参数
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* @return mixed
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*/
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public function invokeMethod($method, $vars = [])
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{
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try {
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if (is_array($method)) {
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$class = is_object($method[0]) ? $method[0] : $this->invokeClass($method[0]);
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$reflect = new ReflectionMethod($class, $method[1]);
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} else {
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// 静态方法
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$reflect = new ReflectionMethod($method);
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}
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$args = $this->bindParams($reflect, $vars);
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return $reflect->invokeArgs(isset($class) ? $class : null, $args);
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} catch (ReflectionException $e) {
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if (is_array($method) && is_object($method[0])) {
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$method[0] = get_class($method[0]);
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}
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throw new Exception('method not exists: ' . (is_array($method) ? $method[0] . '::' . $method[1] : $method) . '()');
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}
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}
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/**
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* 调用反射执行类的方法 支持参数绑定
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* @access public
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* @param object $instance 对象实例
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* @param mixed $reflect 反射类
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* @param array $vars 参数
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* @return mixed
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*/
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public function invokeReflectMethod($instance, $reflect, $vars = [])
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{
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$args = $this->bindParams($reflect, $vars);
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return $reflect->invokeArgs($instance, $args);
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}
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/**
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* 调用反射执行callable 支持参数绑定
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* @access public
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* @param mixed $callable
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* @param array $vars 参数
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* @return mixed
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*/
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public function invoke($callable, $vars = [])
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{
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if ($callable instanceof Closure) {
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return $this->invokeFunction($callable, $vars);
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}
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return $this->invokeMethod($callable, $vars);
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}
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/**
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* 调用反射执行类的实例化 支持依赖注入
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* @access public
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* @param string $class 类名
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* @param array $vars 参数
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* @return mixed
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*/
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public function invokeClass($class, $vars = [])
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{
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try {
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$reflect = new ReflectionClass($class);
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if ($reflect->hasMethod('__make')) {
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$method = new ReflectionMethod($class, '__make');
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if ($method->isPublic() && $method->isStatic()) {
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$args = $this->bindParams($method, $vars);
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return $method->invokeArgs(null, $args);
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}
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}
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$constructor = $reflect->getConstructor();
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$args = $constructor ? $this->bindParams($constructor, $vars) : [];
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return $reflect->newInstanceArgs($args);
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} catch (ReflectionException $e) {
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throw new ClassNotFoundException('class not exists: ' . $class, $class);
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}
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}
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/**
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* 绑定参数
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* @access protected
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* @param \ReflectionMethod|\ReflectionFunction $reflect 反射类
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* @param array $vars 参数
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* @return array
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*/
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protected function bindParams($reflect, $vars = [])
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{
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if ($reflect->getNumberOfParameters() == 0) {
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return [];
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}
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// 判断数组类型 数字数组时按顺序绑定参数
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reset($vars);
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$type = key($vars) === 0 ? 1 : 0;
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$params = $reflect->getParameters();
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foreach ($params as $param) {
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$name = $param->getName();
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$lowerName = Loader::parseName($name);
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$class = $param->getClass();
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if ($class) {
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$args[] = $this->getObjectParam($class->getName(), $vars);
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} elseif (1 == $type && !empty($vars)) {
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$args[] = array_shift($vars);
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} elseif (0 == $type && isset($vars[$name])) {
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$args[] = $vars[$name];
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} elseif (0 == $type && isset($vars[$lowerName])) {
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$args[] = $vars[$lowerName];
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} elseif ($param->isDefaultValueAvailable()) {
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$args[] = $param->getDefaultValue();
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} else {
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throw new InvalidArgumentException('method param miss:' . $name);
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}
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}
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return $args;
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}
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/**
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* 获取对象类型的参数值
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* @access protected
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* @param string $className 类名
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* @param array $vars 参数
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* @return mixed
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*/
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protected function getObjectParam($className, &$vars)
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{
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$array = $vars;
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$value = array_shift($array);
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if ($value instanceof $className) {
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$result = $value;
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array_shift($vars);
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} else {
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$result = $this->make($className);
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}
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return $result;
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}
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public function __set($name, $value)
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{
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$this->bindTo($name, $value);
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}
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public function __get($name)
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{
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return $this->make($name);
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}
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public function __isset($name)
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{
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return $this->bound($name);
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}
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public function __unset($name)
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{
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$this->delete($name);
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}
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public function offsetExists($key)
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{
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return $this->__isset($key);
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}
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public function offsetGet($key)
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{
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return $this->__get($key);
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}
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public function offsetSet($key, $value)
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{
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$this->__set($key, $value);
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}
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public function offsetUnset($key)
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{
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$this->__unset($key);
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}
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//Countable
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public function count()
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{
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return count($this->instances);
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}
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|
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//IteratorAggregate
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|
public function getIterator()
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{
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return new ArrayIterator($this->instances);
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}
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public function __debugInfo()
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{
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$data = get_object_vars($this);
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unset($data['instances'], $data['instance']);
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return $data;
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}
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}
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