let dic = NSMutableDictionary()
        dic["age"] = 20
        dic["name"] = "明月"
        dic["address"] = nil
        dic["weight"] = 1
        dic["student"] = true
        dic["list"] = ""
        
        //let array = dic["list"] as! NSArray 強行拆包會崩潰
        let list:NSArray = (dic["list"] as? NSArray)!
        
        //dic[AnyHashable("age")] as! String 強行拆包會崩潰
        let age = self.stringFromObject(object: dic["age"] as AnyObject)
        MyPrint(message: age)
        
        let name = self.stringFromObject(object: dic["name"] as AnyObject)
        MyPrint(message: name)
        
        let weight = self.stringFromObject(object: dic["weight"] as AnyObject)
        MyPrint(message: weight)
        
        let address = self.stringFromObject(object: dic["address"] as AnyObject)
        MyPrint(message: address)
        
        let address1 = dic["address"] as? String
        MyPrint(message: address1)
        
        let student = self.stringFromObject(object: dic["student"] as AnyObject)
        MyPrint(message: student)
        
        var isStudent = false
        if student == "1" {
            isStudent = true
        }
        MyPrint(message:isStudent)
       
    }
    //Int、float返回值為"\(value)"、bool返回值為"0","1"
    func stringFromObject(object:AnyObject) -> String{
        var value = ""
        if let code = object as? Int{
            value = "\(code)"
        }else if let code = object as? CGFloat{
            value = "\(code)"
        }else if let code = object as? String{
            value = code
        }
        //else if object is NSNull{
        //    value = ""
        //}
        return value
    }