广告管理系统 php

<?php
class Advertisement {
    private $id;
    private $title;
    private $content;
    private $targetAudience;

    public function __construct($id, $title, $content, $targetAudience) {
        $this->id = $id;
        $this->title = $title;
        $this->content = $content;
        $this->targetAudience = $targetAudience;
    }

    public function getId() {
        return $this->id;
    }

    public function getTitle() {
        return $this->title;
    }

    public function getContent() {
        return $this->content;
    }

    public function getTargetAudience() {
        return $this->targetAudience;
    }
}

class AdvertisementManager {
    private $advertisements = [];

    public function addAdvertisement(Advertisement $ad) {
        $this->advertisements[$ad->getId()] = $ad;
    }

    public function getAdvertisement($id) {
        return isset($this->advertisements[$id]) ? $this->advertisements[$id] : null;
    }

    public function getAllAdvertisements() {
        return $this->advertisements;
    }
}

// 示例使用
$manager = new AdvertisementManager();
$ad1 = new Advertisement(1, "夏季促销", "全场商品5折优惠！", "年轻女性");
$manager->addAdvertisement($ad1);

$ad2 = new Advertisement(2, "新品上市", "最新款手机现已上市！", "科技爱好者");
$manager->addAdvertisement($ad2);

$allAds = $manager->getAllAdvertisements();
foreach ($allAds as $ad) {
    echo "广告ID: " . $ad->getId() . ", 标题: " . $ad->getTitle() . ", 目标受众: " . $ad->getTargetAudience() . "\n";
}
?>