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装饰器模式
1 <?php 2 //装饰器模式-在不改变原有类的结构上,对类的功能那个作补充 3 4 //武器基类 5 abstract class Weapon{ 6 abstract public function descriptions(); 7 abstract public function cost(); 8 } 9 10 //剑类 11 class Glave extends Weapon{ 12 public function descriptions(){ 13 return ‘Glave‘; 14 } 15 16 public function cost(){ 17 return "100"; 18 } 19 } 20 21 //匕首类 22 class Knife extends Weapon{ 23 public function descriptions(){ 24 return __CLASS__; 25 } 26 public function cost(){ 27 return "80"; 28 } 29 } 30 31 //斧类 32 class Axe extends Weapon{ 33 public function descriptions(){ 34 return __CLASS__; 35 } 36 public function cost(){ 37 return "200"; 38 } 39 } 40 41 //属性类 42 class Property extends Weapon{ 43 protected $_weapon = null; 44 protected $_price = 0; 45 protected $_descriptions = ‘‘; 46 public function __construct(Weapon $weapon){ 47 $this->_weapon = $weapon; 48 } 49 public function cost(){ 50 return $this->_weapon->cost() + $this->_price; 51 } 52 53 public function descriptions(){ 54 return $this->_weapon->descriptions().$this->_descriptions; 55 } 56 } 57 58 //力量属性 59 class Strength extends Property{ 60 protected $_price = 30; 61 protected $_descriptions = ‘+ Strength‘; 62 } 63 64 //敏捷属性 65 class Agility extends Property{ 66 protected $_price = 50; 67 protected $_descriptions = ‘+ Agility‘; 68 } 69 70 //智力属性 71 class Intellect extends Property{ 72 protected $_price = 20; 73 protected $_descriptions = ‘+ Intellect‘; 74 } 75 76 $weapon = new Agility(new Strength(new Strength(new Glave()))); 77 echo $weapon->cost(); 78 echo $weapon->descriptions();
装饰器模式
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