php 分类筛选

<?php
// 假设这是从数据库获取的数据
$products = [
    ['id' => 1, 'name' => '商品A', 'price' => 100, 'category' => '电子产品'],
    ['id' => 2, 'name' => '商品B', 'price' => 200, 'category' => '家居用品'],
    ['id' => 3, 'name' => '商品C', 'price' => 150, 'category' => '电子产品'],
    // ... 其他商品
];

// 获取筛选条件
$priceMin = isset($_GET['priceMin']) ? intval($_GET['priceMin']) : 0;
$priceMax = isset($_GET['priceMax']) ? intval($_GET['priceMax']) : 1000;
$category = isset($_GET['category']) ? $_GET['category'] : '';

// 筛选逻辑
$filteredProducts = [];
foreach ($products as $product) {
    if ($product['price'] >= $priceMin && $product['price'] <= $priceMax) {
        if (empty($category) || $product['category'] === $category) {
            $filteredProducts[] = $product;
        }
    }
}

// 输出筛选结果
echo "<ul>";
foreach ($filteredProducts as $product) {
    echo "<li>{$product['name']} - 价格: {$product['price']} - 类别: {$product['category']}</li>";
}
echo "</ul>";
?>