访问Swift词典的可选值

Question

我将从JSON解析的字典定义为[String：AnyObject]

然后我尝试访问它的值;

var vote: Int?

if let voteValue: AnyObject = dictionary["vote"] {
    self.vote = voteValue as? Int
}

有更简单/更清洁的方法吗？

Answer 1

只能想到：

var vote: Int?
vote = dictionary["vote"] as AnyObject? as? Int