拒绝插件臃肿：手把手教你为 B2B 站点手动配置 GEO 友好的 JSON-LD 结构化数据

// 注册 B2B 专属产品自定义文章类型
function funion_register_b2b_products() {
    $labels = array(
        'name'               => 'B2B产品',
        'singular_name'      => 'B2B产品',
        'menu_name'          => 'B2B产品库',
        'add_new'            => '添加新产品',
        'add_new_item'       => '添加新B2B产品参数',
        'edit_item'          => '编辑产品参数',
        'all_items'          => '所有产品',
        'view_item'          => '查看产品',
        'search_items'       => '搜索产品',
    );

    $args = array(
        'labels'             => $labels,
        'public'             => true,
        'has_archive'        => true,
        'menu_icon'          => 'dashicons-products',
        'supports'           => array('title', 'editor', 'thumbnail', 'custom-fields'),
        'rewrite'            => array('slug' => 'b2b-products'),
    );
    register_post_type('b2b_products', $args);
}
add_action('init', 'funion_register_b2b_products');

<script type="application/ld+json">
{
  "@context": "https://schema.org/",
  "@type": "Product",
  "name": "Industrial Rugged PDA Terminal F500",
  "image": [
    "https://www.funion.co/wp-content/uploads/pda-f500-flat-2d.jpg"
  ],
  "description": "Enterprise-grade Android rugged handheld computer with IP67 sealing, 2D barcode scanner, and optimized UI for cold-chain logistics management.",
  "sku": "FUNION-PDA-F500",
  "mpn": "F500-2026",
  "brand": {
    "@type": "Brand",
    "name": "FUNION"
  },
  "additionalProperty": [
    {
      "@type": "PropertyValue",
      "name": "Operating System",
      "value": "Android 13.0 Enterprise Certified"
    },
    {
      "@type": "PropertyValue",
      "name": "Ingress Protection Rating",
      "value": "IP67 Water and Dust Proof"
    },
    {
      "@type": "PropertyValue",
      "name": "Barcode Scanner Element",
      "value": "Zebra SE4710 2D Imager Engine"
    }
  ],
  "offers": {
    "@type": "AggregateOffer",
    "priceCurrency": "USD",
    "lowPrice": "150.00",
    "highPrice": "280.00",
    "offerCount": "1",
    "priceValidUntil": "2027-12-31",
    "url": "https://www.funion.co/generative-engine-optimization-service",
    "availability": "https://schema.org/InStock"
  }
}
</script>

<script type="application/ld+json">
{
  "@context": "https://schema.org/",
  "@type": "Product",
  "name": "Waterproof IP67 LED Driver 24V 200W",
  "description": "High-efficiency constant voltage LED power supply designed for outdoor industrial architectural lighting systems.",
  "sku": "FUNION-LED-24V200W",
  "brand": {
    "@type": "Brand",
    "name": "FUNION"
  },
  "additionalProperty": [
    {
      "@type": "PropertyValue",
      "name": "Output Voltage",
      "value": "24V DC"
    },
    {
      "@type": "PropertyValue",
      "name": "Rated Power",
      "value": "200W Max"
    },
    {
      "@type": "PropertyValue",
      "name": "Certifications",
      "value": "UL Listed, CE, RoHS Compliant"
    }
  ]
}
</script>

function funion_inject_manual_json_ld() {
    // 仅在我们的自定义 B2B 产品单页生效，绝不污染首页及普通文章页
    if ( is_singular('b2b_products') ) {
        global $post;
        
        // 读取 WordPress 自定义栏目参数
        $pda_sku  = get_post_meta($post->ID, 'product_sku', true) ? get_post_meta($post->ID, 'product_sku', true) : 'FUNION-GENERIC';
        $pda_os   = get_post_meta($post->ID, 'product_os', true) ? get_post_meta($post->ID, 'product_os', true) : 'Standard';
        $pda_ip   = get_post_meta($post->ID, 'product_ip_rating', true) ? get_post_meta($post->ID, 'product_ip_rating', true) : 'IP65';
        
        echo "\n<!-- FUNION 手动轻量化 B2B GEO JSON-LD 开始 -->\n";
        ?>
        <script type="application/ld+json">
        {
          "@context": "https://schema.org/",
          "@type": "Product",
          "name": "<?php echo esc_attr($post->post_title); ?>",
          "sku": "<?php echo esc_attr($pda_sku); ?>",
          "description": "<?php echo esc_attr(wp_strip_all_tags($post->post_content)); ?>",
          "brand": {
            "@type": "Brand",
            "name": "FUNION"
          },
          "additionalProperty": [
            {
              "@type": "PropertyValue",
              "name": "System OS",
              "value": "<?php echo esc_attr($pda_os); ?>"
            },
            {
              "@type": "PropertyValue",
              "name": "IP Rating",
              "value": "<?php echo esc_attr($pda_ip); ?>"
            }
          ]
        }
        </script>
        <?php
        echo "\n<!-- FUNION 手动轻量化 B2B GEO JSON-LD 结束 -->\n";
    }
}
add_action('wp_head', 'funion_inject_manual_json_ld', 20);