class KRInviteProgress { final int pending; // 待下载 final int processing; // 在路上 final int success; // 已成功 final int expired; // 已失效 final String? referCode; // 邀请码 KRInviteProgress({ this.pending = 0, this.processing = 0, this.success = 0, this.expired = 0, this.referCode, }); factory KRInviteProgress.fromJson(Map json) { return KRInviteProgress( pending: json['pending'] ?? 0, processing: json['processing'] ?? 0, success: json['success'] ?? 0, expired: json['expired'] ?? 0, referCode: json['referCode'], ); } }