/// <summary>
/// 读取数据
/// </summary>
/// <param name="userId"></param>
/// <param name="taskGuid"></param>
/// <param name="dataGuid"></param>
/// <param name="dataType"></param>
/// <returns></returns>
public string GetData(string userId, string taskGuid, string dataGuid, string dataType)
{
TaskUtil task = new TaskUtil(this);
return(task.GetData(userId, taskGuid, dataGuid, dataType));
}