我这里有这个方法，它完全按照我的需要返回了我的数据:
func getTestData() -> [Any]?
{
return [GradingData(lot: "lot", andColumns: "andColumns", SLAIssuedFinalGrading: true, SLAIssuedFinalGradingDate: "SLAIssuedFinalGradingDate", CityApprovalIssued: true, CityCommentReceived: false, GradingRepair: "GradingRepair", CurbStopRepair: "CurbStopRepair", SplashPadDownSpout: "SplashPadDownSpout", RYCBOtherRepairs: "RYCBOtherRepairs", Comments: "Comments", columnCamera: "", DepositReceived: false), GradingData(lot: "lot", andColumns: "andColumns2", SLAIssuedFinalGrading: false, SLAIssuedFinalGradingDate: "SLAIssuedFinalGradingDate", CityApprovalIssued: false, CityCommentReceived: false, GradingRepair: "GradingRepair", CurbStopRepair: "CurbStopRepair", SplashPadDownSpout: "SplashPadDownSpout", RYCBOtherRepairs: "RYCBOtherRepairs", Comments: "Comments", columnCamera: "", DepositReceived: false)]
}
现在我正在尝试调用 API 并返回与此完全相同的结构:
func GetLandGradingData(_ community: String, completion: @escaping (_ result: [GradingData]) -> Void)
{
let escapedCommunity = community.addingPercentEncoding(withAllowedCharacters: CharacterSet.urlQueryAllowed)
let urlComponents = NSURLComponents(string: webservice + "?community=" + escapedCommunity!);
urlComponents?.user = appDelegate.username;
urlComponents?.password = appDelegate.password;
let url = urlComponents?.url;
let returnedData = [GradingData]()
URLSession.shared.dataTask(with: url!, completionHandler: {
(data, response, error) in
if(error != nil){
completion(returnedData)
}else{
do{
let json = try JSONSerialization.jsonObject(with: data!, options:.allowFragments) as! [GradingData]
OperationQueue.main.addOperation({
completion(json)
})
}catch let error as NSError{
print(error)
completion(returnedData)
}
}
}).resume()
}
我的问题是该方法未返回与 getTestData 方法相同的结构，附件是有关 getTestData 返回内容和此 api 方法调用返回内容的屏幕截图。
这是我的整个类(class):
@objcMembers class GradingData : NSObject {
/**
Define lot Column String
*/
var lot: String?
/**
Define Address Column String
*/
var address: String?
/**
Define SLA Issued Final Grading Column String
*/
var SLAIssuedFinalGrading = false
/**
Define SLA Issued Final Grading Date Column String
*/
var SLAIssuedFinalGradingDate: String?
/**
Define City Approval Issued Column String
*/
var CityApprovalIssued = false
/**
Define City Comment Received Column String
*/
var CityCommentReceived = false
/**
Define Grading Repair Column String
*/
var GradingRepair: String?
/**
Define Curb Stop Repair Column String
*/
var CurbStopRepair: String?
/**
Define Splash Pad or Down Spout Column String
*/
var SplashPadDownSpout: String?
/**
Define RYCB or Other Repairs Column String
*/
var RYCBOtherRepairs: String?
/**
Define Comments Column String
*/
var Comments: String?
/**
Define Camera Column String
*/
var columnCamera: String?
/**
Define Deposit Received Column String
*/
var DepositReceived = false
/**
Inital call to class
*/
init(lot: String?, andColumns address: String?, SLAIssuedFinalGrading: Bool?, SLAIssuedFinalGradingDate: String?, CityApprovalIssued: Bool?, CityCommentReceived: Bool?, GradingRepair: String?, CurbStopRepair: String?, SplashPadDownSpout: String?, RYCBOtherRepairs: String?, Comments: String?, columnCamera: String?, DepositReceived: Bool?) {
super.init()
//Set lot string
self.lot = lot
//Set Address Column string
self.address = address
//Set SLA Issued Final Grading Column string
self.SLAIssuedFinalGrading = SLAIssuedFinalGrading!
//Set SLA Issued Final Grading Date Column string
self.SLAIssuedFinalGradingDate = SLAIssuedFinalGradingDate
//Set City Approval Issued Column string
self.CityApprovalIssued = CityApprovalIssued!
//Set City Comment Received Column string
self.CityCommentReceived = CityCommentReceived!
//Set Grading Repair Column string
self.GradingRepair = GradingRepair
//Set Curb Stop Repair Column string
self.CurbStopRepair = CurbStopRepair
//Set Splash Pad or Down Spout Column string
self.SplashPadDownSpout = SplashPadDownSpout
//Set RYCB or Other Repairs Column string
self.RYCBOtherRepairs = RYCBOtherRepairs
//Set Comments Column string
self.Comments = Comments
//Set Camera Column string
self.columnCamera = columnCamera
//Set Deposit Received Column string
self.DepositReceived = DepositReceived!
}
}
这是我来自 API 的数据:
<Reports>
<CityApprovalIssued>false</CityApprovalIssued>
<CityCommentReceived>false</CityCommentReceived>
<Comments></Comments>
<CurbStopRepair></CurbStopRepair>
<DepositReceived>false</DepositReceived>
<GradingRepair></GradingRepair>
<RYCBOtherRepairs></RYCBOtherRepairs>
<SLAIssuedFinalGrading>false</SLAIssuedFinalGrading>
<SLAIssuedFinalGradingDate/>
<SplashPadDownSpout></SplashPadDownSpout>
<address>123 Fake Street</address>
<lot>A0001</lot>
</Reports>
<Reports>
<CityApprovalIssued>false</CityApprovalIssued>
<CityCommentReceived>false</CityCommentReceived>
<Comments></Comments>
<CurbStopRepair></CurbStopRepair>
<DepositReceived>false</DepositReceived>
<GradingRepair></GradingRepair>
<RYCBOtherRepairs></RYCBOtherRepairs>
<SLAIssuedFinalGrading>false</SLAIssuedFinalGrading>
<SLAIssuedFinalGradingDate/>
<SplashPadDownSpout></SplashPadDownSpout>
<address>125 Fake Street</address>
<lot>A0002</lot>
</Reports>
这来自 ASP.NET MVC API Controller :<ArrayOfReports xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/App.Models">
这是我这样做时得到的结果:
let string = String(data: data!, encoding: .utf8)
print(string as Any)
Optional("[{\"lot\":\"A0001\",\"address\”:\”123 Fake Street\”,\”SLAIssuedFinalGrading\":false,\"SLAIssuedFinalGradingDate\":\"\",\"CityApprovalIssued\":false,\"CityCommentReceived\":false,\"GradingRepair\":\" \",\"CurbStopRepair\":\" \",\"SplashPadDownSpout\":\" \",\"RYCBOtherRepairs\":\" \",\"Comments\":\" \",\"DepositReceived\":false},{\"lot\":\"A0002\",\"address\":\"125 Fake Street\",\"SLAIssuedFinalGrading\":false,\"SLAIssuedFinalGradingDate\":\"\",\"CityApprovalIssued\":false,\"CityCommentReceived\":false,\"GradingRepair\":\" \",\"CurbStopRepair\":\" \",\"SplashPadDownSpout\":\" \",\"RYCBOtherRepairs\":\" \",\"Comments\":\" \",\"DepositReceived\":false}]")
最佳答案
首先响应数据确实是JSON，XML输出有点困惑。
您可能不需要从 NSObject 继承的类，在大多数情况下，尤其是在 iOS 中，一个结构就足够了。
除了键columnCamera外，所有键都存在于所有记录中，因此将所有属性声明为非可选且没有默认值，并将columnCamera声明为可选，并将所有属性声明为常量 (let) 如果它们不会改变。
不需要显式的 init 方法。
添加了 CodingKeys 以将大部分键转换为小写。
struct GradingData : Decodable {
private enum CodingKeys : String, CodingKey {
case lot, address, SLAIssuedFinalGrading
case SLAIssuedFinalGradingDate
case cityApprovalIssued = "CityApprovalIssued"
case cityCommentReceived = "CityCommentReceived"
case gradingRepair = "GradingRepair"
case curbStopRepair = "CurbStopRepair"
case splashPadDownSpout = "SplashPadDownSpout"
case RYCBOtherRepairs, comments = "Comments"
case columnCamera, depositReceived = "DepositReceived"
}
let lot: String
let address: String
let SLAIssuedFinalGrading : Bool
let SLAIssuedFinalGradingDate: String
let cityApprovalIssued : Bool
let cityCommentReceived : Bool
let gradingRepair : String
let curbStopRepair : String
let splashPadDownSpout : String
let RYCBOtherRepairs : String
let comments : String
let columnCamera : String?
let depositReceived : Bool
}
然后解码JSON
....
var returnedData = [GradingData]()
URLSession.shared.dataTask(with: url!, completionHandler: {(data, response, error) in
if error != nil {
print(error!)
completion(returnedData)
} else {
do {
returnedData = try JSONDecoder().decode([GradingData].self, from: data!)
DispatchQueue.main.async {
completion(returnedData)
}
} catch {
print(error)
completion(returnedData)
}
}
}).resume()
关于ios - Swift 将 JSON 解析为模型对象，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/49930039/