Ios 如何使用SwiftyJSON中的数组解析数组和数组?
我有一个JSON响应,如下所示Ios 如何使用SwiftyJSON中的数组解析数组和数组?,ios,json,swift,swifty-json,Ios,Json,Swift,Swifty Json,我有一个JSON响应,如下所示 { "geometry" : { "type" : "GeometryCollection", "geometries" : [ { "type" : "Polygon", "coordinates" : [ [ [ 43.
{
"geometry" : {
"type" : "GeometryCollection",
"geometries" : [
{
"type" : "Polygon",
"coordinates" : [
[
[
43.7228393554688,
42.065249641381598
],
[
43.8217163085938,
42.084617318779898
],
[
43.899993896484403,
42.100922357518499
],
[
43.7228393554688,
42.065249641381598
]
]
]
}
]
}
我上面发布的JSON是我JSON响应的一部分。此数组以以下格式提供数据
[[[Array_Polygon1_Coordinates1], [Array_Polygon1_Coordinates2],[Array_Polygon1_Coordinates3]], [[Array_Polygon2_Coordinates1], [Array_Polygon2_Coordinates2], [Array_Polygon2_Coordinates3]]]
我正在我的项目中使用SwiftyJSON。如何使用SwiftyJSON解析此JSON?
我的代码
我得到的错误是
正如普拉蒂克在评论中提到的那样,我通过
if let coordinatesArray: Array = geometry[RMJSONKey.coordinates].array {
for coordinates: JSON in coordinatesArray {
var polygonCoordinates: [CLLocationCoordinate2D] = []
for coordinatePair: (String, JSON) in coordinates {
let coordinateSet: JSON = coordinatePair.1
guard let latitude: Double = coordinateSet.arrayValue.last?.double,
let longitude: Double = coordinateSet.arrayValue.first?.double else {
throw RMException.invalidFormat
}
polygonCoordinates.append(CLLocationCoordinate2DMake(latitude, longitude))
}
}
}
正如Pratik在评论中提到的,我通过
if let coordinatesArray: Array = geometry[RMJSONKey.coordinates].array {
for coordinates: JSON in coordinatesArray {
var polygonCoordinates: [CLLocationCoordinate2D] = []
for coordinatePair: (String, JSON) in coordinates {
let coordinateSet: JSON = coordinatePair.1
guard let latitude: Double = coordinateSet.arrayValue.last?.double,
let longitude: Double = coordinateSet.arrayValue.first?.double else {
throw RMException.invalidFormat
}
polygonCoordinates.append(CLLocationCoordinate2DMake(latitude, longitude))
}
}
}
展示你的努力code@Anbu.karthik将我的代码添加到问题中不要将代码添加为图像,超过您的代码和jsonresponse@PratikPrajapati很抱歉我现在更新了我的问题错误表明
coordinatePair
是元组,请尝试coordinatePair.1
以获取值显示您的已尝试code@Anbu.karthik将我的代码添加到问题中不要将代码添加为图像,超过您的代码和jsonresponse@PratikPrajapati很抱歉我现在更新了我的问题错误表明coordinatePair
是元组,请尝试coordinatePair.1
获取值