微信绘制基本的UML看：C Challenge a name : String a desc : String (Textarea) a idReward [1..1] C Reward a rules : Array [1..] C Rule a live : Boolean (Toggle) a created : Date (ignore) m getNotif m setNotif C Reward a name : String a type : Enum('a','b','c') C Rule a name : String a times : String a condition : String*