解析Google自定义搜索API Swift
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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": {
"request": [
{
"title": "Google Custom Search - 4009900360937",
"totalResults": "6",
"searchTerms": "4009900360937",
"count": 6,
"startIndex": 1,
"inputEncoding": "utf8",
"outputEncoding": "utf8",
"safe": "off",
"cx": ""
}
]
},
"context": {
"title": "Google"
},
"searchInformation": {
"searchTime": 0.36736,
"formattedSearchTime": "0.37",
"totalResults": "6",
"formattedTotalResults": "6"
},
"items": [
{
"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",
"displayLink": "www.codecheck.info",
"snippet": "Wrigleys Airwaves Menthol & Eukalyptus 3x 10 Dragees. Kaugummi &
Kaudragees. Produktbeschreibung. Menthol kaugummis. Menge / Grösse. 3
Stangen a ...",
"htmlSnippet": "Wrigleys Airwaves Menthol & Eukalyptus 3x 10 Dragees. Kaugummi & u003cbru003e
Kaudragees. Produktbeschreibung. Menthol kaugummis. Menge / Grösse. 3 u003cbru003e
Stangen a ...",
"cacheId": "f04ddBPMjcMJ",
"formattedUrl": "https://www.codecheck.info/...4009900360937/.../Wrigleys_Airwaves_ Menthol_Eukalyptus_3x_10_Dragees.pro",
"htmlFormattedUrl": "https://www.codecheck.info/...u003cbu003e4009900360937u003c/bu003e/.../Wrigleys_Airwaves_ Menthol_Eukalyptus_3x_10_Dragees.pro",
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],
"metatags": [
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"og:image": "http://www.codecheck.info/img/51821803/1",
"og:type": "Product",
"twitter:card": "summary",
"twitter:title": "Wrigleys Airwaves Menthol & Eukalyptus 3x 10 Dragees",
"og:site_name": "Codecheck.info",
"twitter:domain": "CodeCheck",
"twitter:url": "http://www.codecheck.info/m/essen/suesswaren/kaugummi_kaudragees/ean_4009900360937/id_368832/Wrigleys_Airwaves_Menthol_Eukalyptus_3x_10_Dragees.pro",
"og:title": "Wrigleys Airwaves Menthol & Eukalyptus 3x 10 Dragees",
"language": "DE",
"og:description": "Wrigleys Airwaves Menthol & Eukalyptus 3x 10 Dragees",
"twitter:image": "http://www.codecheck.info/img/51821803/1",
"fb:app_id": "122709251073903",
"apple-mobile-web-app-status-bar-style": "black",
"viewport": "width=device-width, initial-scale=1, minimal-ui, user-scalable=0, maximum-scale=1",
"apple-mobile-web-app-capable": "yes",
"twitter:description": "Wrigleys Airwaves Menthol & Eukalyptus 3x 10 Dragees",
"og:locale": "de_DE",
"publisher": "Codecheck.info",
"og:url": "http://www.codecheck.info/m/essen/suesswaren/kaugummi_kaudragees/ean_4009900360937/id_368832/Wrigleys_Airwaves_Menthol_Eukalyptus_3x_10_Dragees.pro",
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"format-detection": "telephone=no"
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],
"cse_image": [
{
"src": "http://www.codecheck.info/img/51821803/1"
}
]
}
},
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"kind": "customsearch#result",
"title": "NEW WRIGLEY'S AIRWAVES SUGAR FREE CHEWING GUM 3 PACK",
"htmlTitle": "NEW WRIGLEY'S AIRWAVES SUGAR FREE CHEWING GUM 3 PACK",
"link": "https://www.ebay.co.uk/itm/NEW-WRIGLEYS-AIRWAVES-SUGAR-FREE-CHEWING-GUM-3-PACK-30-PIECES-42g-/292246791829",
"displayLink": "www.ebay.co.uk",
"snippet": "... Gummy, Soft Sweet & Marshmallow. Food Aisle: Pantry, Food Specifications:
Sugar Free. Brand: Wrigley, Type: Chewing/ Bubble Gum. EAN: 4009900360937
...",
"htmlSnippet": "... Gummy, Soft Sweet & Marshmallow. Food Aisle: Pantry, Food Specifications: u003cbru003e
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...",
"cacheId": "fOoNmVeHk30J",
"formattedUrl": "https://www.ebay.co.uk/itm/NEW-WRIGLEYS...3...-/292246791829",
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"pagemap": {
"offer": [
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"availability": "https://schema.org/InStock",
"itemcondition": "New"
}
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"product": [
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"image": "https://i.ebayimg.com/images/g/BDkAAOSwA1pawWWP/s-l300.jpg",
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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"
}
],
"aggregaterating": [
{
"ratingvalue": "5.0",
"reviewcount": "2"
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"metatags": [
{
"og:image": "https://i.ebayimg.com/images/g/BDkAAOSwA1pawWWP/s-l400.jpg",
"twitter:card": "summary",
"twitter:title": "NEW WRIGLEY'S AIRWAVES SUGAR FREE CHEWING GUM 3 PACK - 30 PIECES - 42g",
"og:type": "ebay-objects:item",
"og:site_name": "eBay",
"msvalidate.01": "34E98E6F27109BE1A9DCF19658EEEE33",
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"y_key": "0090e7e28a2554d4",
"og:description": "Find many great new & used options and get the best deals for NEW WRIGLEY'S AIRWAVES SUGAR FREE CHEWING GUM 3 PACK - 30 PIECES - 42g at the best online prices at eBay! Free delivery for many products!",
"twitter:image": "https://i.ebayimg.com/images/g/BDkAAOSwA1pawWWP/s-l400.jpg",
"layout": "main",
"referrer": "unsafe-url",
"fb:app_id": "102628213125203",
"twitter:site": "@eBay",
"twitter:description": "Find many great new & used options and get the best deals for NEW WRIGLEY'S AIRWAVES SUGAR FREE CHEWING GUM 3 PACK - 30 PIECES - 42g at the best online prices at eBay! Free delivery for many products!",
"og:url": "https://i.ebayimg.com/images/g/BDkAAOSwA1pawWWP/s-l400.jpg"
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"name": "Home, Furniture & DIY",
"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"
},
{
"item": "Candies",
"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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"kind": "customsearch#result",
"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",
"snippet": "Multipack mit 3x10 zuckerfreien Kaugummi-Dragees mit Menthol- und
Eukalyptusgeschmack. Inhalt: 45g. Herkunftsland: USA. EAN: 4009900360937.
Art.-Nr.: ...",
"htmlSnippet": "Multipack mit 3x10 zuckerfreien Kaugummi-Dragees mit Menthol- und u003cbru003e
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Art.-Nr.: ...",
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"metatags": [
{
"msapplication-tilecolor": "#D83434",
"og:image": "https://www.worldofsweets.de/out/pictures/generated/product/1/540_340_75/airwaves-menthol--amp--eucalyptus-3er.jpg",
"og:type": "product",
"og:site_name": "https://www.worldofsweets.de/",
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"og:title": "Airwaves Menthol & Eucalyptus 3x10er | Online kaufen im World of Sweets Shop",
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"snippet": "6 days ago ... 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.",
"htmlSnippet": "6 days ago u003cbu003e...u003c/bu003e Reason: products in the above JSON is not of type [[String: String]] . It is of type [[u003cbru003e
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"datecreated": "2020-02-21T12:22:11",
"url": "share"
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"answer": [
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"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...",
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{
"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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"person": [
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"name": "Luca S"
},
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"title": "Airwaves Menthol & Eucalyptus 3x10er Multipack",
"htmlTitle": "Airwaves Menthol & Eucalyptus 3x10er Multipack",
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"snippet": "10 avr. 2018 ... Airwaves Menthol & Eucalyptus 3x10er Multipack. Code barre : 4009900360937
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(EAN / EAN-13). La page de ce produit n'est pas complète.",
"cacheId": "n1RLGxrSrnQJ",
"formattedUrl": "https://fr.openfoodfacts.org/.../4009900360937/airwaves-menthol-eucalyptus -3x10er-multipack",
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"product:price:currency": "EUR",
"og:url": "https://www.real.de/product/320670591/"
}
],
"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"
}
]
}
}
]
}
答案
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)
}
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