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如果我有字典在我的NSUserDefaults的数组:对象为Array
["name":"John", "birthplace":"New York"]
["name":"Eric", "birthplace":"London"]
["name":"Sven", "birthplace":"Stockholm"]
["name":"Pierre", "birthplace":"Paris"]
什么是让所有的名字变成这样
John, Eric, Sven , Pierre
更新问题。我如何将这个数组从NSUserDefaults中取出? – cannyboy
是的,他们被保存着像defaults.setObject([[“名称”:“约翰”,“出生地”:“纽约”],[“名称”:“埃里克”,“出生地”:“伦敦”] ],forKey:“people”) – cannyboy
如果我做了'var peopleArray = defaults.arrayForKey(“people”)''那么flatMap代码就会产生'Can not subscript'类型为'[AnyObject]'的类型为'String' '(Swift 2.x) – cannyboy