我现在有定制对象的数组如何将自定义对象的数组转换为字符串数组?
[GenrePosters]
其被定义如下所示:
public struct GenrePosters: Decodable, Equatable{
public let poster : String
public init? (json: JSON) {
guard let poster: String = "poster_path" <~~ json
else {return nil}
self.poster = poster
}
public static func ==(lhs: GenrePosters, rhs: GenrePosters) -> Bool {
return lhs.poster == rhs.poster
}
当印刷到控制台它看起来像这样:
[MyMovieGuide.GenrePosters(海报: “/e1mjopzAS2KNsvpbpahQ1a6SkSn.jpg”),MyMovieGuide.GenrePosters(海报: “/jjBgi2r5cRt36xF6iNUEhzscEcb.jpg”),MyMovieGuide.GenrePosters(海报: “/tIKFBxBZhSXpIITiiB5Ws8VGXjt.jpg”)
我想GenrePosters的数组转换成一个字符串数组只与海报值,像这样:
[ “/e1mjopzAS2KNsvpbpahQ1a6SkSn.jpg” “/jjBgi2r5cRt36xF6iNUEhzscEcb.jpg” “/tIKFBxBZhSXpIITiiB5Ws8VGXjt.jpg”]
任何帮助将不胜感激!
的[从对象数组获得属性值的数组]可能的复制(http://stackoverflow.com/questions/ 28393334/get-an-array-of-property-values-from-an-object-array) – Hamish