我的天啊...必须有更好的方法来访问formattedfloorplan_summary:{bedrooms:{low:1,high:2,formatted:"1-2Beds"}}比这样做:ifdata["floorplan_summary"]?["bedrooms"]!=nil{letbedrooms=data["floorplan_summary"]?["bedrooms"]asNSDictionaryifbedrooms["formatted"]!=nil{self.beds=bedrooms["formatted"]asString}}我只想这样做:self.beds=data