简单的IoC容器实现
1 <?php 2 3 class Container 4 { 5 protected $binds; 6 7 protected $instances; 8 9 public function bind($abstract, $concrete) 10 { 11 if ($concrete instanceof Closure) { 12 $this->binds[$abstract] = $concrete; 13 } else { 14 $this->instances[$abstract] = $concrete; 15 } 16 } 17 18 public function make($abstract, $parameters = []) 19 { 20 21 if (isset($this->instances[$abstract])) { 22 return $this->instances[$abstract]; 23 } 24 25 if(!is_array($parameters)){ 26 $parameters=[$parameters]; 27 } 28 array_unshift($parameters, $this); 29 30 return call_user_func_array($this->binds[$abstract], $parameters); 31 } 32 } 33 34 class Power { 35 /** 36 * 能力值 37 */ 38 protected $ability; 39 40 /** 41 * 能力范围或距离 42 */ 43 protected $range; 44 45 public function __construct($ability, $range) 46 { 47 $this->ability = $ability; 48 $this->range = $range; 49 } 50 } 51 52 53 54 55 class Superman{ 56 57 private $power; 58 59 public function __construct($power){ 60 61 $this->power=$power; 62 63 } 64 65 66 } 67 68 69 $container=new Container(); 70 71 72 $container->bind("superman",function($container,$mouleName){ 73 return new Superman($container->make($mouleName)); 74 }); 75 76 $container->bind("power",function($container){ 77 return new Power(100,90); 78 }); 79 80 $superman=$container->make("superman","power"); 81 82 echo "<pre>"; 83 var_dump($superman); 84 die; 85 86 87 88 ?>
原文作者：chongyi
转自链接：https://learnku.com/articles/789/laravel-learning-notes-the-magic-of-the-service-container
