/// <summary>
/// 创建日志对象，不保存。(done)
/// </summary>
/// <param name="userId"></param>
/// <param name="title"></param>
/// <param name="sourceId"></param>
/// <returns></returns>
public static SysLog CreateLog(String userId, String title, String sourceId = null)
{
var log = new SysLog();
log.SetNewEntity();
log.CreatorId = userId;
log.SourceId = sourceId;
log.Title = title;
log.CreateDate = DateTime.Now;
return(log);
}
