class ReplyContent { ReplyContent({ this.message, this.atNameToMid, // @的用户的mid null this.memebers, // 被@的用户List 如果有的话 [] this.emote, // 表情包 如果有的话 null this.jumpUrl, // {} this.pictures, // {} this.vote, }); String? message; Map? atNameToMid; List? memebers; Map? emote; Map? jumpUrl; List? pictures; Map? vote; ReplyContent.fromJson(Map json) { message = json['message']; atNameToMid = json['at_name_to_mid'] ?? {}; memebers = json['memebers'] ?? []; emote = json['emote'] ?? {}; jumpUrl = json['jump_url'] ?? {}; pictures = json['pictures'] ?? []; vote = json['vote'] ?? {}; } }