<?php
    header("Content-type: text/html; charset=utf-8");
    require_once './vendor/autoload.php';
    //角色状态存储
    class RoleStateMemento
    {
        public $Life_Value;
        public function __construct($Life)
        {
            $this->Life_Value = $Life;
        }
    }
    /**
    * 角色编辑器
    */
    class GameRole
    {
        public $LifeValue;
        /**
        * 构造方法 初始化状态
        */
        function __construct()
        {
            $this->LifeValue = 100;
        }
        public function Save()
        {
            return (new RoleStateMemento($this->LifeValue));
        }
        public function Recovery($_memento)
        {
            $this->LifeValue = $_memento->Life_Value;
        }
        public function Display(){
            $this->LifeValue -= 10; // 每次被攻击减少10点生命值
        }
        public function Dump()
        {
            echo '当然角色状态:<br/>';
            if ($this->LifeValue <= 0) {
                echo '你已经挂了!<br>';
            } else {
                echo "生命值:{$this->LifeValue}<br>";
            }
        }
    }
    class RoleStateManger
    {
        public $Memento;
    }
    $Role = new GameRole();
    $RoleMan = new RoleStateManger();
    $RoleMan->Memento = $Role->Save();
    $num = 1; // 记录回合数
    for ($i=0; $i<10; $i++){
        echo "-------------第{$num}回合------------<br/>";
        $Role->Display();
        $Role->Dump();
        $num++;
        # 在第5个回合的时候老妈杀来了，你经常会在战斗中存档一次，防止老妈拉电闸
        if($num == 6){
            $RoleMan2 = new RoleStateManger();
            $RoleMan2->Memento = $Role->Save();
        }
    }
    # 恢复存档：地狱模式打不过，还好他妈存档了！
    $Role->Recovery($RoleMan->Memento);
    $Role->Dump();
    # 咦，好像之前被老妈拉电闸有存档，恢复看下！
    $Role->Recovery($RoleMan2->Memento);
    $Role->Dump();