swift 发送通知

//发送
let userInfo = [ShowPhotobrowserIndexKey : indexPath,ShowPhotobrowserUrlsKey : picURLs]
        

NSNotificationCenter.defaultCenter().postNotificationName(ShowPhotobrowserNote,object: nil,userInfo: userInfo)

//接受
NSNotificationCenter.defaultCenter().addobserver(self,selector: "showPhotobrowser:",name: ShowPhotobrowserNote,object: nil)