我正在尝试从下面的Google自定义搜索API中解析“元”数组的字段“ og：image”和“ og：title”。老实说，我不知道如何做到这一点，因为我无法在线找到任何资源。我需要检索此信息，因为我需要在我的应用程序中显示字段的内容。如果无法仅解析“ metatags”数组，如何对整个API进行解析？谢谢
{
"kind": "customsearch#search",
"url": {
"type": "application/json",
"template": "https://www.googleapis.com/customsearch/v1?q={searchTerms}&num={count?}&start={startIndex?}&lr={language?}&safe={safe?}&cx={cx?}&sort={sort?}&filter={filter?}&gl={gl?}&cr={cr?}&googlehost={googleHost?}&c2coff={disableCnTwTranslation?}&hq={hq?}&hl={hl?}&siteSearch={siteSearch?}&siteSearchFilter={siteSearchFilter?}&exactTerms={exactTerms?}&excludeTerms={excludeTerms?}&linkSite={linkSite?}&orTerms={orTerms?}&relatedSite={relatedSite?}&dateRestrict={dateRestrict?}&lowRange={lowRange?}&highRange={highRange?}&searchType={searchType}&fileType={fileType?}&rights={rights?}&imgSize={imgSize?}&imgType={imgType?}&imgColorType={imgColorType?}&imgDominantColor={imgDominantColor?}&alt=json"
},
"queries": {
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"title": "Google Custom Search - 4009900360937",
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"searchTerms": "4009900360937",
"count": 6,
"startIndex": 1,
"inputEncoding": "utf8",
"outputEncoding": "utf8",
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"context": {
"title": "Google"
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"formattedSearchTime": "0.37",
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"kind": "customsearch#result",
"title": "Wrigleys Airwaves Menthol & Eukalyptus 3x 10 Dragees ...",
"htmlTitle": "Wrigleys Airwaves Menthol & Eukalyptus 3x 10 Dragees ...",
"link": "https://www.codecheck.info/m/essen/suesswaren/kaugummi_kaudragees/ean_4009900360937/id_368832/Wrigleys_Airwaves_Menthol_Eukalyptus_3x_10_Dragees.pro",
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"formattedUrl": "https://www.codecheck.info/...4009900360937/.../Wrigleys_Airwaves_ Menthol_Eukalyptus_3x_10_Dragees.pro",
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"og:image": "http://www.codecheck.info/img/51821803/1",
"og:type": "Product",
"twitter:card": "summary",
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"title": "NEW WRIGLEY'S AIRWAVES SUGAR FREE CHEWING GUM 3 PACK",
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}
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"review": [
{
"reviewdate": "2019-10-30",
"reviewer": "peter55_1"
},
{
"author": "peter55_1",
"name": "Nice one",
"reviewbody": "Hi there..Nice one..ok cool..many thanks..Peter",
"datepublished": "30 Oct, 2019"
},
{
"author": "spike.7900",
"name": "Nice one !!!",
"reviewbody": "Yes great !!!",
"datepublished": "24 May, 2018"
}
],
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"reviewcount": "2"
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"twitter:card": "summary",
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"og:type": "ebay-objects:item",
"og:site_name": "eBay",
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"layout": "main",
"referrer": "unsafe-url",
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"position": "1"
},
{
"item": "Food & Drink",
"name": "Food & Drink",
"position": "2"
},
{
"item": "Food Cupboard",
"name": "Food Cupboard",
"position": "3"
},
{
"item": "Sweets & Chocolate",
"name": "Sweets & Chocolate",
"position": "4"
},
{
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"name": "Candies",
"position": "5"
},
{
"item": "Gummy, Soft Sweets & Marshmallows",
"name": "Gummy, Soft Sweets & Marshmallows",
"position": "6"
},
{
"item": "See more Wrigley S Airwaves Menthol Eucalyptus Sugarfre...",
"name": "See more Wrigley S Airwaves Menthol Eucalyptus Sugarfre...",
"position": "1"
}
]
}
},
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"title": "Airwaves Menthol & Eucalyptus 3x10er | Online kaufen im World of ...",
"htmlTitle": "Airwaves Menthol & Eucalyptus 3x10er | Online kaufen im World of ...",
"link": "https://www.worldofsweets.de/Airwaves-Menthol-Eucalyptus-3x10er.311211.html",
"displayLink": "www.worldofsweets.de",
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"htmlTitle": "Swift JSON parsing array of dictionaries - Stack Overflow",
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"displayLink": "stackoverflow.com",
"snippet": "6 days ago ... Reason: products in the above JSON is not of type [[String: String]] . It is of type [[\nString: Any]] instead. That's the reason parsing is giving error.",
"htmlSnippet": "6 days ago \u003cb\u003e...\u003c/b\u003e Reason: products in the above JSON is not of type [[String: String]] . It is of type [[\u003cbr\u003e\nString: Any]] instead. That's the reason parsing is giving error.",
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"name": "Swift JSON parsing array of dictionaries",
"text": "I am trying to parse this JSON file which returns an array of dictionaries. I mainly need to retrieve the 'barcode_number' and 'images' values of the dictionaries in order to use them in my...",
"datecreated": "2020-02-21T12:22:11",
"url": "share"
}
],
"answer": [
{
"upvotecount": "1",
"text": "Reason: products in the above JSON is not of type [[String: String]]. It is of type [[String: Any]] instead. That's the reason parsing is giving error. Solution: You need to create a separate...",
"datecreated": "2020-02-21T12:37:17",
"url": "https://stackoverflow.com/questions/60338583/swift-json-parsing-array-of-dictionaries/60338812#60338812"
},
{
"upvotecount": "0",
"text": "try this: yes, it looks like a lot of work, but it wasn't. How did i do this? Easy: 1) enter your url in a webbrowser and copy the result 2) go to https://app.quicktype.io/ and enter the copy...",
"datecreated": "2020-02-21T12:42:47",
"url": "https://stackoverflow.com/questions/60338583/swift-json-parsing-array-of-dictionaries/60338906#60338906"
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"title": "Airwaves Menthol & Eucalyptus 3x10er Multipack",
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"snippet": "10 avr. 2018 ... Airwaves Menthol & Eucalyptus 3x10er Multipack. Code barre : 4009900360937 \n(EAN / EAN-13). La page de ce produit n'est pas complète.",
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"cse_image": [
{
"src": "https://media.real-onlineshop.de/images/items/1024x1024/dd6e657038ea57ce35ef738ae7c19a1e.jpg"
}
],
"hproduct": [
{
"fn": "Airwaves Menthol & Eukalyptus (3 St.)",
"description": "Produktbeschreibung Das original starke Geschmackserlebnis für den einzigartigen Airwaves Frische-Kick. Zuckerfreier Kaugummi mit Süßungsmitteln und Menthol- und Eukalyptusgeschmack. Zuckerfreih...",
"photo": "https://media.real-onlineshop.de/images/items/1024x1024/dd6e657038ea57ce35ef738ae7c19a1e.jpg",
"currency": "EUR",
"currency_iso4217": "978"
}
],
"listitem": [
{
"item": "https://www.real.de/",
"name": "Startseite",
"position": "1"
},
{
"item": "Lebensmittel",
"name": "Lebensmittel",
"position": "2"
},
{
"item": "Süßigkeiten & Gebäck",
"name": "Süßigkeiten & Gebäck",
"position": "3"
},
{
"item": "Kaugummis",
"name": "Kaugummis",
"position": "4"
},
{
"name": "Airwaves Menthol & Eukalyptus (3 St.)",
"position": "5"
}
]
}
}
]
}
使用Codable解析JSON data。
下面是模型，仅将metaTags解析为items，
struct Root: Codable {
let items: [Item]
}
struct Item: Codable {
let pagemap: Pagemap
}
struct Pagemap: Codable {
let metatags: [Metatag]
}
struct Metatag: Codable {
let ogImage: String?
let ogTitle: String?
enum CodingKeys: String, CodingKey {
case ogImage = "og:image"
case ogTitle = "og:title"
}
}
Parsedatalike
do {
let decoder = JSONDecoder()
decoder.keyDecodingStrategy = .convertFromSnakeCase
let response = try decoder.decode(Root.self, from: data)
print(response.items.map({ $0.pagemap.metatags.map({ $0.ogImage }) }))
} catch {
print(error)
}