class SkipModel { String url; String requiredLogin; String requiredTaobaoAuth; String skipIdentifier; SkipModel( {this.url, this.requiredLogin, this.requiredTaobaoAuth, this.skipIdentifier}); SkipModel.fromJson(Map json) { fromJson(json); } void fromJson(Map json) { url = json['url']; requiredLogin = json['required_login']?.toString(); requiredTaobaoAuth = json['required_taobao_auth']?.toString(); skipIdentifier = json['skip_identifier']; } Map toJson() { final Map data = new Map(); data['url'] = this.url; data['required_login'] = this.requiredLogin; data['required_taobao_auth'] = this.requiredTaobaoAuth; data['skip_identifier'] = this.skipIdentifier; return data; } }