swift - 将 API 响应转换为 JSON 对象的问题

Question

我正在尝试使用 NSJSONSerialization.JSONObjectWithData 将 NSData 转换为 JSON 对象，我当前的代码是:

let response = try! NSJSONSerialization.JSONObjectWithData(receivedData, options: .MutableContainers) as! [String:AnyObject]

var receivedData 为 1013 字节，包含来自 API 的 JSON 响应。

如果使用这行代码而不是之前的代码将我的 NSData 响应转换为字符串:

let response = NSString (data: receivedData, encoding: NSUTF8StringEncoding)

使用 Xcode 调试我们可以看到作为字符串的 response 是:

下面是该 JSON 字符串的清晰 View :

{
  "id": "373198",
  "result": {
    "registrationId": 742098068,
    "imageUrl": "/templates/images/user.gif",
    "external": false,
    "clientCode": "",
    "settings": null,
    "firstLogin": false,
    "type": null,
    "fromSite": null,
    "city": "",
    "sessionToken": "1457206061819919",
    "username": "buffettidemo",
    "postalCode": null,
    "phoneNumber": "",
    "permissions": null,
    "role": null,
    "gender": "",
    "specialBonus": null,
    "verifyPhone": null,
    "autocashout": null,
    "wizardFlags": 1,
    "lastName": "Demo",
    "enableMail": true,
    "extType": null,
    "companyName": null,
    "extId": null,
    "country": "",
    "paypalAccountEmail": null,
    "console": 2,
    "authorizationProfile": null,
    "thumbnail": null,
    "email": "adriano.tamburo@gmail.com21",
    "javaClass": "guardian.dto.UserAdaptor",
    "language": null,
    "numInvitation": 0,
    "region": null,
    "enablePhone": true,
    "registerDate": "1426693995000",
    "verifyMail": null,
    "id": 80447,
    "firstName": "Buffetti",
    "salesFee": null,
    "website": null,
    "dateBirth": "1426693995000",
    "taxCode": null,
    "quotesOrders": null,
    "permissionApp": null,
    "address": null,
    "authorizationExpired": false,
    "vatNumber": null,
    "mobileNumber": null
  }
}

我的问题是，回到使用这行代码:

let response = try! NSJSONSerialization.JSONObjectWithData(receivedData, options: .MutableContainers) as! [String:AnyObject]

我的字典对象 [string:AnyObject] 有零个条目:

Answer 1

通过抓取您的响应并将其放入文件并将其加载到 Playground 来进行简单测试，似乎可行。而且我也没有注意到您的回复有任何问题，因为我还使用 JSON Validator 对其进行了验证。

Playground 输出

解决方案

有时 Xcode Debugger 会出错，所以请尝试记录您的响应，如果调试器无法正常工作，这是最正确的方法