我真的很困惑@id
json-ld语法中使用的是什么。来自apple.com的示例。@id
实际代表什么。有什么帮助会很棒吗?
<script type="application/ld+json">
{
"@context": "http://schema.org",
"@id": "http://www.apple.com/#organization",
"@type": "Organization",
"url": "http://www.apple.com/",
"logo": "https://www.apple.com/ac/structured-data/images/knowledge_graph_logo.png?201608191052",
"contactPoint": [
{
"@type": "ContactPoint",
"telephone": "+1-800-692-7753",
"contactType": "sales",
"areaServed": [ "US" ]
}
],
"sameAs": [
"http://www.wikidata.org/entity/Q312",
"https://www.youtube.com/user/Apple",
"https://www.linkedin.com/company/apple"
]
}