<?php
interface SuperModuleInterface{
public function activate();
}
class Play implements SuperModuleInterface {
protected $game;
public function __construct($game='') {
$this->game = $game;
}
public function activate(){
echo $this->game;
}
}
class Container{
protected $binds;
protected $instances;
public function bind($abstract,$concrete){
if($concrete instanceof Closure){
$this->binds[$abstract]=$concrete;
}else{
$this->instances[$abstract]=$concrete;
}
}
public function make($abstract,$parmeters=[]){
if(isset($this->instances[$abstract])){
return $this->instances[$abstract];
}
array_unshift($parmeters,$this);
#调用回调函数,并把自身作为第一个参数传入
return call_user_func_array($this->binds[$abstract],$parmeters);
}
}
class Superman{
protected $power;
public function __construct(SuperModuleInterface $module) {
$this->power=$module;
}
public function attack(){
$powers=is_array($this->power)?$this->power:array($this->power);
foreach($powers as $p){
$p->activate();
}
}
}
$container=new Container();
$container->bind('Play',function($container,$game){
return new Play($game);
});
$container->bind('Superman',function($container,$moduleName,...$arg){
return new Superman($container->make($moduleName,$arg));
});
$superman_1=$container->make('Superman',['Play','战神']);
$superman_1->attack();
依赖注入简单代码
最后编辑于 :
©著作权归作者所有,转载或内容合作请联系作者
- 文/潘晓璐 我一进店门,熙熙楼的掌柜王于贵愁眉苦脸地迎上来,“玉大人,你说我怎么就摊上这事。” “怎么了?”我有些...
- 文/花漫 我一把揭开白布。 她就那样静静地躺着,像睡着了一般。 火红的嫁衣衬着肌肤如雪。 梳的纹丝不乱的头发上,一...
- 文/苍兰香墨 我猛地睁开眼,长吁一口气:“原来是场噩梦啊……” “哼!你这毒妇竟也来了?” 一声冷哼从身侧响起,我...