toJsonForCallback method
给加好友申请回调使用
Implementation
Map<String, dynamic> toJsonForCallback() {
final Map<String, dynamic> data = <String, dynamic>{};
data['friend_add_pendency_identifier'] = userID;
data['friend_add_pendency_nick_name'] = nickname;
data['friend_add_pendency_face_url'] = faceUrl;
data['friend_add_pendency_add_time'] = addTime;
data['friend_add_pendency_add_source'] = addSource;
data['friend_add_pendency_add_wording'] = addWording;
data['friend_add_pendency_type'] = EnumUtils.dartFriendApplicationType2CType(type);
return data;
}