<?php


/**
 * Description of TemplateDemo
 * 模板模式
 * @author jm
 */
class TemplateDemo
{
    //put your code here
    public static function main()
    {
        echo "学生A答题： \n";
        $student = new TestPaperA();
        $student->TestQuestion1();
        $student->TestQuestion2();
        $student->TestQuestion3();
        echo "学生B答题： \n";
        $student2 = new TestPaperB();
        $student2->TestQuestion1();
        $student2->TestQuestion2();
        $student2->TestQuestion3();        
    }
       
}

class TestPaper
{
    public function TestQuestion1()
    {
        echo "以下英雄在王者荣耀中哪个是法师［］a.程咬金 b.马超 c.妲己 d.叶灵儿 \n";
        echo "答案 ".$this->answer1()."\n";
    }

    public function TestQuestion2()
    {
        echo "以下英雄在王者荣耀中哪个是辅助［］a.猪八戒 b.孙悟空 c.沙僧 d.瑶 \n";
        echo "答案 ".$this->answer2()."\n";
    }

    public function TestQuestion3()
    {
        echo "以下英雄在王者荣耀中哪个是射手［］a.曹操 b.刘备 c.孙策 d.孙尚香 e.大乔 \n";
        echo "答案 ".$this->answer3()."\n";
    }

    protected function answer1()
    {
        return '';
    }

    protected function answer2()
    {
        return '';
    }

    protected function answer3()
    {
        return '';
    }
}

// 学生A答题
class TestPaperA extends TestPaper
{
    protected function answer1()
    {
        return 'a';
    }

    protected function answer2()
    {
        return 'b';
    }

    protected function answer3()
    {
        return 'c';
    } 
}

//学生B答题
class TestPaperB extends TestPaper
{
    protected function answer1()
    {
        return 'd';
    }

    protected function answer2()
    {
        return 'c';
    }

    protected function answer3()
    {
        return 'a';
    } 
}


TemplateDemo::main();