toJson method
转换为Map
Implementation
Map<String, dynamic> toJson() {
final Map<String, dynamic> data = {
'taskId': taskId,
'urlOrVid': urlOrVid,
'errorCode': errorCode,
};
// 只有非空值才添加到结果中
if (errorMsg != null) {
data['errorMsg'] = errorMsg;
}
if (errorExtra != null) {
data['errorExtra'] = errorExtra;
}
return data;
}