502 php类的构造与查询设置

实例

<?php
/**
 * Created by PhpStorm.
 * User: 金超
 * Date: 2018/5/3
 * Time: 15:43
 */
 namespace movieInfo;
class MovieList{
    private $name='';
    private $size='0 byte';
    private $CreationDate='0000-00-00';
    private $charge=[];
    private $data=[];
   //构造
    public function __construct($name='',$size='',$CreationDate='',array $charge=[])
    {
        $this->name=$name;
        $this->size=$size;
        $this->CreationDate=$CreationDate;
        $this->charge=$charge;

    }

    //查询器
    public function __get($name)
    {
        $warning=null;
        if(isset($this->$name)){
        $warning=$this->$name;

        }elseif(isset($this->data[$name])){
            $warning=$this->data[$name];

        }else{
            $warning='未查到该属性';
    }
    return $warning;


    }
    //设置器
    public function __set($name, $value)
    {
        if(isset($this->$name)){
            $this->$name=$value;


        }else{
            $this->data[$name]=$value;
        }
        // TODO: Implement __set() method.
    }
}

测试函数

实例

<?php

require 'class/movielist.php';

$movielist=@new \movieInfo\MovieList('碟中谍','199,121,254 byte','2016-04-27',['no',0]);

echo'影片名：'.$movielist->name.'<br>';
echo'影片大小：'.$movielist->size.'<br>';
echo'更新日期：'.$movielist->CreationDate.'<br>';
echo'是否收费：'.print_r($movielist->charge[0],true).'费用:'.print_r($movielist->charge[1],true).'元'.'<br>';


echo'<hr style="color:orangered">';

//测试__set()
$movielist->name='泰坦尼克号';
$movielist->size='279,316,484 byte';
$movielist->CreationDate='1998-02-15';
$movielist->charge=['yes','$25'];


echo'影片名：'.$movielist->name.'<br>';
echo'影片大小：'.$movielist->size.'<br>';
echo'更新日期：'.$movielist->CreationDate.'<br>';
echo'是否收费：'.print_r($movielist->charge[0],true).'费用:'.print_r($movielist->charge[1],true).'元'.'<br>';

echo'<hr style="color:#7a43b6">';

//用户自定义属性
$movielist->reward='第70届奥斯卡金像奖';
$movielist->link='http://www.iqiyi.com/v_19rrny4w8w.html';
$link=$movielist->link;
echo'获奖:'.$movielist->reward.'<br>';
echo'观看地址：'."<a href={$link} title=''>".$movielist->link.'<br>';

测试结果