我需要创建一个带有动态键的字典。最后我需要一本字典我尝试使用:varanimDictionary:[String:AnyObject]forpositionin1...10{letstrImageName:String="anim-\(position)"letimage=UIImage(named:strImageName)animDictionary.setValue(image,forKey:strImageName)//NOTWORK//BECAUSEIT'SNOTANSMUTABLEDICTIONARY}所以我尝试了:varanimMutableDictionary=NSMu