职责链模式 - 设计模式 - PHP版

 ?1 <?php ?2 /* ?3 ?* 职责链模式 ?4 ?* ??5 ?* 参考：http://blog.csdn.net/jhq0113/article/details/46454419 ?6 ?* ??7 ?*/ ?8 //申请Model ???9 class Request { 10 ????//数量 ??11 ????public $num; 12 ????//申请类型 ??13 ????public $requestType; 14 ????//申请内容 ??15 ????public $requestContent; 16 } 17 //抽象管理者 ??18 abstract class Manager { 19 ????protected $name; 20 ????//管理者上级 ??21 ????protected $manager; 22 ????public function __construct($_name) { 23 ????????$this->name = $_name; 24 ????} 25 ????//设置管理者上级 ??26 ????public function SetHeader(Manager $_mana) { 27 ????????$this->manager = $_mana; 28 ????} 29 ????//申请请求 ??30 ????abstract public function Apply(Request $_req); 31 } 32 //经理 ??33 class CommonManager extends Manager { 34 ????public function __construct($_name) { 35 ????????parent::__construct($_name); 36 ????} 37 ????public function Apply(Request $_req) { 38 ????????if ($_req->requestType == "请假" && $_req->num <= 2) { 39 ????????????echo "{$this->name}:{$_req->requestContent} 数量{$_req->num}被批准。<br/>"; 40 ????????} else { 41 ????????????if (isset($this->manager)) { 42 ????????????????$this->manager->Apply($_req); 43 ????????????} 44 ????????} 45 ????} 46 } 47 //总监 ??48 class MajorDomo extends Manager { 49 ????public function __construct($_name) { 50 ????????parent::__construct($_name); 51 ????} 52 ????public function Apply(Request $_req) { 53 ????????if ($_req->requestType == "请假" && $_req->num <= 5) { 54 ????????????echo "{$this->name}:{$_req->requestContent} 数量{$_req->num}被批准。<br/>"; 55 ????????} else { 56 ????????????if (isset($this->manager)) { 57 ????????????????$this->manager->Apply($_req); 58 ????????????} 59 ????????} 60 ????} 61 } 62 //总经理 ??63 class GeneralManager extends Manager { 64 ????public function __construct($_name) { 65 ????????parent::__construct($_name); 66 ????} 67 ????public function Apply(Request $_req) { 68 ????????if ($_req->requestType == "请假") { 69 ????????????echo "{$this->name}:{$_req->requestContent} 数量{$_req->num}被批准。<br/>"; 70 ????????} else if ($_req->requestType == "加薪" && $_req->num <= 500) { 71 ????????????echo "{$this->name}:{$_req->requestContent} 数量{$_req->num}被批准。<br/>"; 72 ????????} else if ($_req->requestType == "加薪" && $_req->num > 500) { 73 ????????????echo "{$this->name}:{$_req->requestContent} 数量{$_req->num}再说吧。<br/>"; 74 ????????} 75 ????} 76 } 77 //--------------------客户端---------------------- ??78 $jingli = new CommonManager("李经理"); 79 $zongjian = new MajorDomo("郭总监"); 80 $zongjingli = new GeneralManager("孙总"); 81 //设置直接上级 ??82 $jingli->SetHeader($zongjian); 83 $zongjian->SetHeader($zongjingli); 84 //申请 ??85 $req1 = new Request(); 86 $req1->requestType = "请假"; 87 $req1->requestContent = "小菜请假！"; 88 $req1->num = 1; 89 $jingli->Apply($req1); 90 $req2 = new Request(); 91 $req2->requestType = "请假"; 92 $req2->requestContent = "小菜请假！"; 93 $req2->num = 4; 94 $jingli->Apply($req2); 95 $req3 = new Request(); 96 $req3->requestType = "加薪"; 97 $req3->requestContent = "小菜请求加薪！"; 98 $req3->num = 500; 99 $jingli->Apply($req3);100 $req4 = new Request();101 $req4->requestType = "加薪";102 $req4->requestContent = "小菜请求加薪！";103 $req4->num = 1000;104 $jingli->Apply($req4);