import UIKit
class DataCenter: NSObject {
class let dataCenterObj:DataCenter = DataCenter()
class func getDataCenter() ->DataCenter {
return dataCenterObj
}
}
import UIKit
class DataCenter: NSObject {
class let dataCenterObj:DataCenter = DataCenter()
class func getDataCenter() ->DataCenter {
return dataCenterObj
}
}
本文标题:Swift制作一个单例
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