[英]swift - Decoding JSON response (post comments) from Reddit API
[英]Swift Json Response Decoding
尝试解码来自 https 调用的 json 响应。 进行解码的代码:
if let data = responseData, let _ = String(data: data, encoding: .utf8) {
if let httpResponse = response as? HTTPURLResponse{
if httpResponse.statusCode == 401 {
print("Not Authorized")
} else if httpResponse.statusCode == 200 {
let decoder = JSONDecoder()
let model: [ListResponse] = try! decoder.decode([ListResponse].self, from: data)
print("Model: \(model)")
}
}
}
它只是不断输出一个空数组。 我显然错过了任何人都可以帮忙的东西吗? 我可以使用从 Swift 传递的相同信息从 PostMan 调用 api 的方法,并返回我的值。 由于某种原因,返回 json 的解析失败且没有错误。
编辑:响应数据:
[
{
"id": 1,
"numb": "12345",
"bName": "Test Tester",
"clDate": "2018-12-31T00:00:00",
"currSt": "OK",
"proPerc": 10,
"prop": "TBD"
},
{
"id": 2,
"numb": "123456",
"bName": "Test Tester2",
"clDate": "2018-12-31T00:00:00",
"currSt": "OK",
"proPerc": 20,
"prop": "TBD"
}
]
归结为从上面解析 clDate 的问题。 只有在我将 json 转换为字符串并尝试解析它后才发现该错误。 现在试图弄清楚如何处理日期 json 解析。
把下面的放在操场上。 下次您必须执行此类操作时,请记住 Playgrounds 是您的朋友:
struct ListResponse: Decodable {
let id: Int
let numb: String
let bName: String
let clDate: Date
let currSt: String
let proPerc: Int
let prop: String
}
let myDateFormatter: DateFormatter = {
let formatter = DateFormatter()
formatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ss"
formatter.calendar = Calendar(identifier: .iso8601)
formatter.timeZone = TimeZone(secondsFromGMT: 0)
return formatter
}()
let text =
"""
[
{
"id": 1,
"numb": "12345",
"bName": "Test Tester",
"clDate": "2018-12-31T00:00:00",
"currSt": "OK",
"proPerc": 10,
"prop": "TBD"
},
{
"id": 2,
"numb": "123456",
"bName": "Test Tester2",
"clDate": "2018-12-31T00:00:00",
"currSt": "OK",
"proPerc": 20,
"prop": "TBD"
}
]
"""
let data = text.data(using: .utf8)!
let decoder = JSONDecoder()
decoder.dateDecodingStrategy = .formatted(myDateFormatter)
let model: [ListResponse] = try! decoder.decode([ListResponse].self, from: data)
print("Model: \(model)")
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