不确定如何解析 Google 地图 JSON 以使用 SwiftyJSON 检索位置坐标
Unsure how to parse Google Maps JSON to retrieve location coordinates using SwiftyJSON
我不确定如何解析我从 Google 地图中检索到的 JSON 数据。我想使用 SwiftyJSON 来解析数据，但我不确定该怎么做。我希望能够解析数据并获取位置坐标（纬度、经度）。下面是我检索到的 JSON 数据。
如有任何帮助，我们将不胜感激
{
"html_attributions" : [],
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{
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"lng" : -114.0708459
},
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"lng" : -113.8769511
},
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"lng" : -114.27136
}
}
},
"icon" : "https://maps.gstatic.com/mapfiles/place_api/icons/geocode-71.png",
"id" : "e9ef57020e495c7241704bc4b14eaafe7c634028",
"name" : "Calgary",
"photos" : [
{
"height" : 1836,
"html_attributions" : [
"\u003ca href=\"https://maps.google.com/maps/contrib/115746301679547350757/photos\"\u003eJerry Ren\u003c/a\u003e"
],
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"width" : 3264
}
],
"place_id" : "ChIJ1T-EnwNwcVMROrZStrE7bSY",
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"scope" : "GOOGLE",
"types" : [ "locality", "political" ],
"vicinity" : "Calgary"
},
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"id" : "cd29752925795732255dcce34744976417abff43",
"name" : "Gymboree Play & Music, Hawkwood",
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"place_id" : "ChIJdUpobcJocVMRnBz9Qp0KGT0",
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"types" : [ "point_of_interest", "establishment" ],
"vicinity" : "217 Hawksbrow Drive Northwest, Calgary"
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"scope" : "GOOGLE",
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"vicinity" : "217 Hawksbrow Drive Northwest, Calgary"
},
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{
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],
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],
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},
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"photos" : [
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"html_attributions" : [
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],
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"name" : "Latin Sweets Cafe",
"place_id" : "ChIJdUpobcJocVMRXPW64658UM4",
"reference" : "CmRSAAAA7yscJ8feLsFqSPyqrV3Ipz-3YmayKov42dzs8JDRGRDKe1qLEXWkyvWE7kNDBLyYBXiZEwMKaY02ivtbCNZl9jkv6643nmH64Bw3v4EH6tnCHexdUaw5IU7wxydeAb3GEhAqCwcIaZKqUzVmYfK8cqOlGhSzqc6iT2gR9V59dErdFmynGEWXJw",
"scope" : "GOOGLE",
"types" : [ "cafe", "food", "store", "point_of_interest", "establishment" ],
"vicinity" : "217 Hawksbrow Drive Northwest, Calgary"
},
{
"geometry" : {
"location" : {
"lat" : 51.11060620000001,
"lng" : -114.1784341
},
"viewport" : {
"northeast" : {
"lat" : 51.1833715,
"lng" : -114.0624323
},
"southwest" : {
"lat" : 51.047137,
"lng" : -114.2713801
}
}
},
"icon" : "https://maps.gstatic.com/mapfiles/place_api/icons/geocode-71.png",
"id" : "0a92e6a3c173f15aa82cd4a74e6a8166b6c577de",
"name" : "Northwest Calgary",
"photos" : [
{
"height" : 725,
"html_attributions" : [
"\u003ca href=\"https://maps.google.com/maps/contrib/106898252596741691081/photos\"\u003eJoyce Chu\u003c/a\u003e"
],
"photo_reference" : "CoQBdwAAACqPVk5Zaby1jn0Hd6nHJGV8CKT_DsuMxBKd2_FeyXOiVJWCvE6Kdg7R_V33uWtHT4y8TOGO9guw0MM4zhbKc10jx_aY3rtxZXhY3l5lfCML2RC9ZjNCaes3_dh8Mq_CttgRrSl2Xop8oefj4zVoiwKEFt4QHge6MiUdTo_4mU0BEhAarcAG9EfWpd_yCSD_JTDbGhSld9-_-Vio7IN4OdlN2mtWR4XtuQ",
"width" : 1600
}
],
"place_id" : "ChIJvbfbW9RocVMRsKwvANcNhZc",
"reference" : "CmRbAAAA-lq3CoFYbxt4vJTy7j1-4MKrlvpjBG0Y7bBlbTUZdm1_2JYz40KrzeuTneI753s1EVf0_MMgi_deN9WyMDHLTae_cAVqmGQjciu3fqvKG9aYpby1ooM7Pd07lIznbb65EhAoV8uHcVpeLQ9jhZhzHzPTGhTUh0SW0qUAAubpGYho76Cp61x66g",
"scope" : "GOOGLE",
"types" : [ "neighborhood", "political" ],
"vicinity" : "Hanson Ranch"
}
],
"status" : "OK"
}
假设您有一些数据
let data: Data = /* the way you get your data */
您所要做的就是将 data 解析为位置数组 [CLLocationCoordinate2D]
let results: [JSON] = json["results"].array ?? []
let array: [CLLocationCoordinate2D] = results
.map({ [=11=]["geometry"]["location"] })
.flatMap({ (json) -> CLLocationCoordinate2D? in
guard let latitude = json["lat"].double else { return nil }
guard let longitude = json["lng"].double else { return nil }
return CLLocationCoordinate2D(latitude: latitude, longitude: longitude)
})
如您所见，这并不难。答案是使用 playground 测试的，结果我从你的数据中得到了 16 CLLocationCoordinate2D。
完整的游乐场代码：
import UIKit
import PlaygroundSupport
import SwiftyJSON
import MapKit
let url = Bundle.main.url(forResource: "file", withExtension: "txt")!
let data: Data = try! Data.init(contentsOf: url)
let json = JSON(data: data)
let results: [JSON] = json["results"].array ?? []
let array: [CLLocationCoordinate2D] = results
.map({ [=12=]["geometry"]["location"] })
.flatMap({ (json) -> CLLocationCoordinate2D? in
guard let latitude = json["lat"].double else { return nil }
guard let longitude = json["lng"].double else { return nil }
return CLLocationCoordinate2D(latitude: latitude, longitude: longitude)
})
我不确定如何解析我从 Google 地图中检索到的 JSON 数据。我想使用 SwiftyJSON 来解析数据，但我不确定该怎么做。我希望能够解析数据并获取位置坐标（纬度、经度）。下面是我检索到的 JSON 数据。
如有任何帮助，我们将不胜感激
{
"html_attributions" : [],
"results" : [
{
"geometry" : {
"location" : {
"lat" : 51.0486151,
"lng" : -114.0708459
},
"viewport" : {
"northeast" : {
"lat" : 51.18383,
"lng" : -113.8769511
},
"southwest" : {
"lat" : 50.84240399999999,
"lng" : -114.27136
}
}
},
"icon" : "https://maps.gstatic.com/mapfiles/place_api/icons/geocode-71.png",
"id" : "e9ef57020e495c7241704bc4b14eaafe7c634028",
"name" : "Calgary",
"photos" : [
{
"height" : 1836,
"html_attributions" : [
"\u003ca href=\"https://maps.google.com/maps/contrib/115746301679547350757/photos\"\u003eJerry Ren\u003c/a\u003e"
],
"photo_reference" : "CoQBdwAAALI2ExQZ7qgDmFE_Us6rcrtLjpBGzSh9pVKl7rP52zKMfG7SgGzC1bNyIqEicu4r3SO6KLNW-j8RxeB38sEHM-fvxoS31VewXR3N4tkBH3BaTJAoKo4djolrJzJhZl-W0DXx1MUwVPgxwjIC-28mJzEptspbfWHTcR3HVU0_QJCnEhAH0XBgkag-3vbsjFfY95WXGhSbfnUFSHLGosRwSQAElS4qwREzYQ",
"width" : 3264
}
],
"place_id" : "ChIJ1T-EnwNwcVMROrZStrE7bSY",
"reference" : "CmRbAAAAxzmOuUo_2OEf_3frcA5eyO0oSsV-i2Ef1e76gO18uTWl8w37JwF_AdTfqtZ95-ItHUr0VnGnDtO53WD_TrmczRXZvJVTeI28gylVsGvEcknPET51xeXBNKWVB_0C7JKkEhDbaYPM5JVrJDGbBBe9DOeWGhRaVHUOKnIRNBqNf5ilzGWyLps-CQ",
"scope" : "GOOGLE",
"types" : [ "locality", "political" ],
"vicinity" : "Calgary"
},
{
"geometry" : {
"location" : {
"lat" : 51.1294845,
"lng" : -114.1762953
},
"viewport" : {
"northeast" : {
"lat" : 51.1308054302915,
"lng" : -114.1747124197085
},
"southwest" : {
"lat" : 51.1281074697085,
"lng" : -114.1774103802915
}
}
},
"icon" : "https://maps.gstatic.com/mapfiles/place_api/icons/school-71.png",
"id" : "cd29752925795732255dcce34744976417abff43",
"name" : "Gymboree Play & Music, Hawkwood",
"opening_hours" : {
"open_now" : false,
"weekday_text" : []
},
"place_id" : "ChIJdUpobcJocVMRnBz9Qp0KGT0",
"rating" : 5,
"reference" : "CmRRAAAA-pvtBz57QlGqtEkzB_TEb1ce5kv6wTiLAjSOmBqwv4tsarn8FiMPXus7x1ZH39Ul2pYbGdhyxPpaBijvws_j9XHcb0jWTZupaJt8L3GdLkkG4aaAKDX69ox4eZVQwX98EhAQEZnT3wQAQLgmmN8rys8tGhRf9lTeTsmFXwhreIbibjq1gh2CHw",
"scope" : "GOOGLE",
"types" : [ "point_of_interest", "establishment" ],
"vicinity" : "217 Hawksbrow Drive Northwest, Calgary"
},
{
"geometry" : {
"location" : {
"lat" : 51.1294104,
"lng" : -114.1764787
},
"viewport" : {
"northeast" : {
"lat" : 51.1307220802915,
"lng" : -114.1748182197085
},
"southwest" : {
"lat" : 51.1280241197085,
"lng" : -114.1775161802915
}
}
},
"icon" : "https://maps.gstatic.com/mapfiles/place_api/icons/generic_business-71.png",
"id" : "3e78490c3fa31b0bbfac5cb58a85ca1c77608d97",
"name" : "Associated Massage Professionals Inc.",
"opening_hours" : {
"open_now" : false,
"weekday_text" : []
},
"place_id" : "ChIJdUpobcJocVMR4chx0gwd_QM",
"reference" : "CmRRAAAAGlIy_t5cihs-i8Pbxmo8unhMNfbfhPAskIMZJNvBETtzmyl4doQrVudRnBHWd1uhU_Jv7D4qi9yf_qp5_14HWBrFAhtJ1MW-34t669Tpk4jn48xZKZO01rFHxzavjWgUEhCaFDbbZ-920dJ4tWRucYGMGhS7oBxiR-S7vh3CRBH1uylRhAcJ2Q",
"scope" : "GOOGLE",
"types" : [ "health", "point_of_interest", "establishment" ],
"vicinity" : "217 Hawksbrow Drive Northwest, Calgary"
},
{
"geometry" : {
"location" : {
"lat" : 51.1294653,
"lng" : -114.1764675
},
"viewport" : {
"northeast" : {
"lat" : 51.1307766302915,
"lng" : -114.1748043697085
},
"southwest" : {
"lat" : 51.12807866970851,
"lng" : -114.1775023302915
}
}
},
"icon" : "https://maps.gstatic.com/mapfiles/place_api/icons/generic_business-71.png",
"id" : "242906dbf716a5ecace57fc84d6ffe2647275b79",
"name" : "Jake Goldthorpe - State Farm Insurance Agent",
"opening_hours" : {
"open_now" : false,
"weekday_text" : []
},
"photos" : [
{
"height" : 1536,
"html_attributions" : [
"\u003ca href=\"https://maps.google.com/maps/contrib/115788660801210447807/photos\"\u003eJake Goldthorpe - State Farm Insurance Agent\u003c/a\u003e"
],
"photo_reference" : "CoQBdwAAAOiVqzb1X6A9uMQwsk8pkMd9dkUjP3b0JsyznWdfykCpjf9WS4c-Oh82psrKbiRfVvcyK1pTWTVf1OxT5bpgRpw2Q29dFwOuCibnf86qDDeiAu1Rh5PoMGlqoKAEr1P3DUfCrAeedipga1wccPyMO7AaZ74GNlw5ExIQS3HrEn0AEhA7Rp0d-zMw9Q3f8-jWeDf0GhTHquQ8AmMm1GY843zYb1Lx_eX61Q",
"width" : 1540
}
],
"place_id" : "ChIJdUpobcJocVMR2bhPI_0o1yA",
"rating" : 4.8,
"reference" : "CmRRAAAAxezs4h-9RmrdpsK_WFq3MJKZccZZdxExQsJCO1CwMg6lqxMzS4-qo3ItjYhwpHwEIxzg8DREHHHfEIPQx7dNwer2FtiewXdgy-acvm_zve7G1qKL33uiqnrqFKtxgc6nEhCmAU15sU1JhDNMY1TMIW4RGhRtKE3zzCeWNxlq0m65B0HpAcrnxw",
"scope" : "GOOGLE",
"types" : [
"insurance_agency",
"health",
"finance",
"point_of_interest",
"establishment"
],
"vicinity" : "217 Hawksbrow Drive Northwest #10, Calgary"
},
{
"geometry" : {
"location" : {
"lat" : 51.1294491,
"lng" : -114.1765727
},
"viewport" : {
"northeast" : {
"lat" : 51.13075463029149,
"lng" : -114.1748612197085
},
"southwest" : {
"lat" : 51.12805666970849,
"lng" : -114.1775591802915
}
}
},
"icon" : "https://maps.gstatic.com/mapfiles/place_api/icons/generic_business-71.png",
"id" : "13c9e59b7da002133aebd412a09c10f01b9c236e",
"name" : "Hawkwood Auto Service",
"opening_hours" : {
"open_now" : false,
"weekday_text" : []
},
"photos" : [
{
"height" : 734,
"html_attributions" : [
"\u003ca href=\"https://maps.google.com/maps/contrib/115096441199182612083/photos\"\u003eHawkwood Auto Service\u003c/a\u003e"
],
"photo_reference" : "CoQBdwAAAKn-GSgcEJsdj6o_K-_ipDs43_QXAesWG-8MlZBjkoxutsNkVhwidILb6LK6dXqS9Jr_3-0ZJ08lAU6JIS_zdshM4SOnpvekoSa5a_k3hP3d2hwh5Y3cCNpvIRsfaqjrX2pM99YS8boKAh9Sq6GECMCAExNVY6nu3lsbr8hcPZk5EhC4B7A-d5TlDxnj9pwpYLZlGhRiawt1Mx1DM9hPXm5nbsnOnNasGg",
"width" : 732
}
],
"place_id" : "ChIJdUpobcJocVMRnA8KUCd3xfQ",
"rating" : 4.7,
"reference" : "CmRSAAAAk9P9EfXw3RCwhBFBFwZZH7e_DFfNTcnoOBjLG_hbIYI8ODLFAF2ExI1lYb1BgL8rLez6JedLsJViFXTtAxwJ4AIoMdMRRDCntbGWA8Ju-hZMIciGgk9UA1hzUs_OkH8OEhA8KUQTHP8c6DpDRLKX6iO8GhTf8FAu9sLIkjbGEzQqXWmgIP6cHw",
"scope" : "GOOGLE",
"types" : [ "car_repair", "point_of_interest", "establishment" ],
"vicinity" : "217 Hawksbrow Drive Northwest, Calgary"
},
{
"geometry" : {
"location" : {
"lat" : 51.1294104,
"lng" : -114.1764787
},
"viewport" : {
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"lng" : -114.1748182197085
},
"southwest" : {
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"lng" : -114.1775161802915
}
}
},
"icon" : "https://maps.gstatic.com/mapfiles/place_api/icons/generic_business-71.png",
"id" : "318876db5d55d4d0533480c8f3e0c5880708f83c",
"name" : "Sudsy's U-Wash & Detail",
"opening_hours" : {
"open_now" : true,
"weekday_text" : []
},
"photos" : [
{
"height" : 867,
"html_attributions" : [
"\u003ca href=\"https://maps.google.com/maps/contrib/114920130286889550327/photos\"\u003eBrian Skinner\u003c/a\u003e"
],
"photo_reference" : "CoQBdwAAAHHKC9kYxWFGNEhGKpwsyIjCR1FB9l3c9HLen-EiqIvrpV95l2TEbpKoEU8T7L7OELIdWPFSLdRW_choX7nqn6J9dXziCeUKjj2QvX_iS-YTUGaHy9iXJldic3TUH2QRg0zZR4z3TrpSFkEQQvWloZfEtYTfJUqHhI8iJFMCvVfKEhBLp8ypCQGFqHIDlA6a74cmGhRwC5VQahqKJF_P5yktBSclU2BL_A",
"width" : 1300
}
],
"place_id" : "ChIJuQVyDsJocVMR6kw-c1vmiJU",
"rating" : 4.4,
"reference" : "CmRSAAAAemtQGs_jhm0XF7LxQJtcdZu8p_5EhuRwfG61q07D16pPbbWT-c85S7ljrp85tMhfbe9E_oIoR33xRDLYNcUvaXYcYVK51P505LVFmRseIiJHaqoTCcPu2nzMbxWiHaAXEhCRjNQmGYb9YxBtiVIwP_h5GhTe08V3iaJmfSNzZ2b8HieQaO6aRg",
"scope" : "GOOGLE",
"types" : [ "car_wash", "point_of_interest", "establishment" ],
"vicinity" : "217 Hawksbrow Drive Northwest, Calgary"
},
{
"geometry" : {
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"lng" : -114.176603
},
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},
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}
}
},
"icon" : "https://maps.gstatic.com/mapfiles/place_api/icons/generic_business-71.png",
"id" : "8c175bf9dd1083d6b36128644d0a6cc5705034af",
"name" : "Hawkwood Medical Clinic",
"opening_hours" : {
"open_now" : false,
"weekday_text" : []
},
"place_id" : "ChIJdUpobcJocVMR2rMfSAkN2Po",
"rating" : 2.9,
"reference" : "CmRSAAAAi5fTb4pRI55TgfMCCjdxWH_GJU0pAa6a7IlZAXA5aiC6TOBh9ZK9w5r1STbreDb5uB96Jg3wT-FLLKXMTtisDL0DB-4_zhaIHIuVFvASfLwwJLL49cm4so7JnilIbZ4iEhCoIh2Ze2MhbNw1qRzZmv6JGhRuztk1ESLjYZVKF48glIuvJbXoXA",
"scope" : "GOOGLE",
"types" : [ "doctor", "health", "point_of_interest", "establishment" ],
"vicinity" : "20-217 Hawksbrow Drive Northwest, Calgary"
},
{
"geometry" : {
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},
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},
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}
}
},
"icon" : "https://maps.gstatic.com/mapfiles/place_api/icons/bus-71.png",
"id" : "1970d8ba1a5e7a0d81966a1c76067c3b4f9db87f",
"name" : "NB Hawksbrow DR @ Hawkridge CO NW",
"place_id" : "ChIJcSuWs8NocVMR1SxqmIyWUwA",
"reference" : "ClRQAAAAHq_PYNNtGkjLLEisIBTJPspu8ExEl8LYtST3NZ9IY-rXP9BnRwex5q_9_XDVqbncZXQXHEvoKSugJu4dqG2pYLRUjhIi3TVQACJjxkYUNJUSEPxCCNYpB_aCcihykGonSIwaFIrNYx1942xFAqZSskYdXKchWkOj",
"scope" : "GOOGLE",
"types" : [
"bus_station",
"transit_station",
"point_of_interest",
"establishment"
],
"vicinity" : "Canada"
},
{
"geometry" : {
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},
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}
},
"icon" : "https://maps.gstatic.com/mapfiles/place_api/icons/generic_business-71.png",
"id" : "da6a8beea25c41a5858cca332d9dbbd56dbd308e",
"name" : "Adept Engineering Ltd",
"place_id" : "ChIJYUiPh8FocVMRh86nCX4RTH4",
"reference" : "CmRRAAAAat1xFeM83tTsGlrDvqxSb-tpw9osl3J_odcV-P7bmxJ8CH2hDkD9x6yZqIevEBC4Sxg0QHpdbl1IbPXb7ruuTDrLSnCo8xj8riMRgMu9LpTyXQTrZfx6vO5LlnqnIUOkEhA8NPyCTJShgTxkjTEsa6ThGhSegLovjO09LgqdIYSp4vPs5oZ7Ng",
"scope" : "GOOGLE",
"types" : [ "point_of_interest", "establishment" ],
"vicinity" : "451 Hawkview Manor Cir NW, Calgary"
},
{
"geometry" : {
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},
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}
}
},
"icon" : "https://maps.gstatic.com/mapfiles/place_api/icons/bus-71.png",
"id" : "a31ccf531701a88d1f92afebd5b5e4b4c56a09bd",
"name" : "SB Hawksbrow DR @ Hawkwood HL NW",
"place_id" : "ChIJLQSissNocVMRyxI05TduYz0",
"reference" : "CmRRAAAAlK9tqEK63l_2Vt3M6aG3AN_XhqKyvnimfgZHws6r64A2o8oT5_5DHmS33J52UsKRDPc-sJw2eCkS9vOkid8hc1wlv5bvL_4gIelhdMQhPpOCxSm8x9CJJ4xCRYscyjbKEhCLOUM-fNuUzU0DsyEiLa2SGhQ9SXuUJNdHMMBCi3BdSHoYJ_yZZg",
"scope" : "GOOGLE",
"types" : [
"bus_station",
"transit_station",
"point_of_interest",
"establishment"
],
"vicinity" : "Canada"
},
{
"geometry" : {
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},
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}
}
},
"icon" : "https://maps.gstatic.com/mapfiles/place_api/icons/generic_business-71.png",
"id" : "253d9de6d42dbb1cce2512719bcc8b2aa9ac97fe",
"name" : "Dream View Retirement Conslnts",
"place_id" : "ChIJL0w7Q8JocVMRvxNiSZ4Ye_A",
"reference" : "CmRSAAAAz9mlERoWnq4b2xZUoApLPpg_hycmP1P3eshXqTxXZ09s4PJwFPSB2xBrBy8vxIfsya4yr8bLmgEXTMr6_wTiIoP9VbTVkULwKBUdUSBsPwb2oMDBGTpFpSbsF2Q4VwMiEhCzovrdIs-5zTcLpC7hnczcGhSgyyorHjLchHEejtou8wMqi_IhnA",
"scope" : "GOOGLE",
"types" : [ "health", "point_of_interest", "establishment" ],
"vicinity" : "4000 Hawksbrow Point Northwest, Calgary"
},
{
"geometry" : {
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},
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}
},
"icon" : "https://maps.gstatic.com/mapfiles/place_api/icons/generic_business-71.png",
"id" : "4869974deb457d352a6c1812e39f72ba26693d1a",
"name" : "Enviro-Link Consulting Ltd",
"place_id" : "ChIJ2WUZmcFocVMRhIRp0LLZNqU",
"reference" : "CmRSAAAACmAK3vMKA-QBOH4o8yKP5xnNsn6fkxOkXkIQX_zWH1Ma26yzGGMwQMLh67kW1UMogPwPxhHEGuzrchLow9Nk9VUkl-cxVKCX8yALJUuhH1C5JjC-r2XwePPRJIOgFizyEhCwPllUpTw-q2_lfUmwv71PGhTd2irg6Ig1TUxMzG7BZmimujK5sQ",
"scope" : "GOOGLE",
"types" : [ "point_of_interest", "establishment" ],
"vicinity" : "236 Hawkview Manor Pl NW, Calgary"
},
{
"geometry" : {
"location" : {
"lat" : 51.1297085,
"lng" : -114.1727938
},
"viewport" : {
"northeast" : {
"lat" : 51.1310574802915,
"lng" : -114.1714448197085
},
"southwest" : {
"lat" : 51.1283595197085,
"lng" : -114.1741427802915
}
}
},
"icon" : "https://maps.gstatic.com/mapfiles/place_api/icons/generic_business-71.png",
"id" : "ed8967312372dade8751c02eaef310c9d6c4a888",
"name" : "Hanna Consulting Group",
"place_id" : "ChIJ6V6m7MFocVMRSNejZLJMwHE",
"reference" : "CmRRAAAAojKI29gIuqqcaH7hZ4-2K_BjMIkZ8VxZNPvcLLoQog9cymTT11iM31_GCUZ7M6dtSLdtbs0wPwjtB4GmzBxeHBO6coLQK-aW7cERjdJXPfQ2Sfi3HlNPJZcfigMbXduaEhCNWVL8ZTl8fx2jbp02oBYaGhR9vdNJI6Cx02srveMctSxP_o_YjQ",
"scope" : "GOOGLE",
"types" : [ "point_of_interest", "establishment" ],
"vicinity" : "411 Hawkview Manor Cir NW, Calgary"
},
{
"geometry" : {
"location" : {
"lat" : 51.1260638,
"lng" : -114.1715458
},
"viewport" : {
"northeast" : {
"lat" : 51.1273591302915,
"lng" : -114.1701034697085
},
"southwest" : {
"lat" : 51.1246611697085,
"lng" : -114.1728014302915
}
}
},
"icon" : "https://maps.gstatic.com/mapfiles/place_api/icons/generic_business-71.png",
"id" : "75bf1fe9a388e77cc43667e6710a81df589ab286",
"name" : "Quad X Technologies",
"place_id" : "ChIJ40YE_8NocVMR3GKvzDqRmYg",
"reference" : "CmRSAAAATiVsW0yqqmf8O1I29jyfl13a5une0t-qy9fhzzorF6fi8NVyyZBwr3SzIdM8zkL-1xSt075064MAZtjIv5mxaaWmYv3aEeUjHQk4609w9jugoCIVUSNR3rQA7aoPnHnOEhAtG44G-F7VHdaCHWlEm9SKGhTBwpim-0WYrouuDvuaROvJLNfpkA",
"scope" : "GOOGLE",
"types" : [ "point_of_interest", "establishment" ],
"vicinity" : "123 Hawksbrow Mews Northwest, Calgary"
},
{
"geometry" : {
"location" : {
"lat" : 51.1294491,
"lng" : -114.1765727
},
"viewport" : {
"northeast" : {
"lat" : 51.13075463029149,
"lng" : -114.1748612197085
},
"southwest" : {
"lat" : 51.12805666970849,
"lng" : -114.1775591802915
}
}
},
"icon" : "https://maps.gstatic.com/mapfiles/place_api/icons/cafe-71.png",
"id" : "560263e071d2098abaa737501de7b1c2e8312314",
"name" : "Latin Sweets Cafe",
"place_id" : "ChIJdUpobcJocVMRXPW64658UM4",
"reference" : "CmRSAAAA7yscJ8feLsFqSPyqrV3Ipz-3YmayKov42dzs8JDRGRDKe1qLEXWkyvWE7kNDBLyYBXiZEwMKaY02ivtbCNZl9jkv6643nmH64Bw3v4EH6tnCHexdUaw5IU7wxydeAb3GEhAqCwcIaZKqUzVmYfK8cqOlGhSzqc6iT2gR9V59dErdFmynGEWXJw",
"scope" : "GOOGLE",
"types" : [ "cafe", "food", "store", "point_of_interest", "establishment" ],
"vicinity" : "217 Hawksbrow Drive Northwest, Calgary"
},
{
"geometry" : {
"location" : {
"lat" : 51.11060620000001,
"lng" : -114.1784341
},
"viewport" : {
"northeast" : {
"lat" : 51.1833715,
"lng" : -114.0624323
},
"southwest" : {
"lat" : 51.047137,
"lng" : -114.2713801
}
}
},
"icon" : "https://maps.gstatic.com/mapfiles/place_api/icons/geocode-71.png",
"id" : "0a92e6a3c173f15aa82cd4a74e6a8166b6c577de",
"name" : "Northwest Calgary",
"photos" : [
{
"height" : 725,
"html_attributions" : [
"\u003ca href=\"https://maps.google.com/maps/contrib/106898252596741691081/photos\"\u003eJoyce Chu\u003c/a\u003e"
],
"photo_reference" : "CoQBdwAAACqPVk5Zaby1jn0Hd6nHJGV8CKT_DsuMxBKd2_FeyXOiVJWCvE6Kdg7R_V33uWtHT4y8TOGO9guw0MM4zhbKc10jx_aY3rtxZXhY3l5lfCML2RC9ZjNCaes3_dh8Mq_CttgRrSl2Xop8oefj4zVoiwKEFt4QHge6MiUdTo_4mU0BEhAarcAG9EfWpd_yCSD_JTDbGhSld9-_-Vio7IN4OdlN2mtWR4XtuQ",
"width" : 1600
}
],
"place_id" : "ChIJvbfbW9RocVMRsKwvANcNhZc",
"reference" : "CmRbAAAA-lq3CoFYbxt4vJTy7j1-4MKrlvpjBG0Y7bBlbTUZdm1_2JYz40KrzeuTneI753s1EVf0_MMgi_deN9WyMDHLTae_cAVqmGQjciu3fqvKG9aYpby1ooM7Pd07lIznbb65EhAoV8uHcVpeLQ9jhZhzHzPTGhTUh0SW0qUAAubpGYho76Cp61x66g",
"scope" : "GOOGLE",
"types" : [ "neighborhood", "political" ],
"vicinity" : "Hanson Ranch"
}
],
"status" : "OK"
}
假设您有一些数据
let data: Data = /* the way you get your data */
您所要做的就是将 data 解析为位置数组 [CLLocationCoordinate2D]
let results: [JSON] = json["results"].array ?? []
let array: [CLLocationCoordinate2D] = results
.map({ [=11=]["geometry"]["location"] })
.flatMap({ (json) -> CLLocationCoordinate2D? in
guard let latitude = json["lat"].double else { return nil }
guard let longitude = json["lng"].double else { return nil }
return CLLocationCoordinate2D(latitude: latitude, longitude: longitude)
})
如您所见，这并不难。答案是使用 playground 测试的，结果我从你的数据中得到了 16 CLLocationCoordinate2D。
完整的游乐场代码：
import UIKit
import PlaygroundSupport
import SwiftyJSON
import MapKit
let url = Bundle.main.url(forResource: "file", withExtension: "txt")!
let data: Data = try! Data.init(contentsOf: url)
let json = JSON(data: data)
let results: [JSON] = json["results"].array ?? []
let array: [CLLocationCoordinate2D] = results
.map({ [=12=]["geometry"]["location"] })
.flatMap({ (json) -> CLLocationCoordinate2D? in
guard let latitude = json["lat"].double else { return nil }
guard let longitude = json["lng"].double else { return nil }
return CLLocationCoordinate2D(latitude: latitude, longitude: longitude)
})