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我正在研究swift和我更新xcode到當前版本(8.1)。所以我保存的來源被改變了。當我運行代碼時。它破解了,我無法修復它。它在最後一行顯示「EXC_BAD_INSTRUCTION(code = EXC_I386_INVOP,subcode = 0x0)」。這是我從網上學習的代碼。 非常感謝。我無法修復EXC_BAD_INSTRUCTION(代碼= EXC_I386_INVOP,子代碼= 0x0)在斯沃夫特xcode 8.1在JSON
let urlString = "http://swapi.co/api/people/1/"
let session = URLSession.shared
let url = URL(string: urlString)!
session.dataTask(with: url, completionHandler: { (data: Data?, response:URLResponse?, error: NSError?) -> Void in
if let responseData = data {
do {
let json = try JSONSerialization.jsonObject(with: responseData, options: JSONSerialization.ReadingOptions.allowFragments)
if let dict = json as? Dictionary<String, AnyObject> {
if let name = dict["name"] as? String, let height = dict["height"] as? String, let birth = dict["birth_year"] as? String, let hair = dict["hair_color"] as? String {
let person = SWPerson(name: name, height: height, birthYear: birth, hairColor: hair)
print(person.name)
print(person.height)
print(person.hairColor)
print(person.birthYear)
if let films = dict["films"] as? [String] {
for film in films {
print(film)
}
}
}
}
} catch {
print("Could not serialize")
}
}
} as! (Data?, URLResponse?, Error?) -> Void) .resume()