var dist: Dictionary<String, NSObject>!
var bigDist : Dictionary<String, Dictionary<String, NSObject>>!
self.bigDist["1" as String] = self.dist
SWIFT 3.0给予零,我得到一个错误:词典<字符串,字典>的时候试过当我尝试这样做是为了增加一个字典
fatal error: unexpectedly found nil while unwrapping an Optional value
数据集为self.dist
:
Optional(["hits": 0, "name": India lags behind China in consumer spends: Stefano Ricci’s Jackie Manglani, "web": Livemint, "id": -1655, "like": 0, "iurl": http://www.livemint.com/rf/Image-222x148/LiveMint/Period2/2017/02/21/Photos/Processed/[email protected], "notify": 0, "date": 201655200217, "active": 1, "type": Mark, "dateAdded": 20/02/2017, "url": http://www.livemint.com/Consumer/3NT8Vbw7BcGeoPJNMoyK5H/India-lags-behind-China-in-consumer-spends-Stefano-Riccis.html])
嗯,是的,因为'bigDist'是'nil'。你需要初始化它(它几乎肯定是非可选的)。 – Hamish