/*找出庫存報警的設備*/
public static ArrayList GetStockWarningDevices()
{
ArrayList devices = new ArrayList();
string queryString = "select * from [t_device_using]";
DataBase db = new DataBase();
DataSet usingDeviceDs = db.GetDataSet(queryString);
for (int i = 0; i < usingDeviceDs.Tables[0].Rows.Count; i++)
{
DataRow dr = usingDeviceDs.Tables[0].Rows[i];
/*設備名稱*/
string deviceName = dr["deviceName"].ToString();
/*使用開始時間*/
DateTime useDate = Convert.ToDateTime(dr["useDate"]);
/*使用壽命*/
int deviceLife = Convert.ToInt32(dr["deviceLife"]);
/*當前時間*/
DateTime nowDate = DateTime.Now;
/*計算已經使用的天數*/
TimeSpan ts = nowDate - useDate;
int haveUsedDays = Convert.ToInt32(ts.TotalDays);
/*計算剩餘可以使用的天數*/
int leftDays = deviceLife - haveUsedDays;
if (leftDays < Constant.WARNING_DAYS)
{
/*如果在用設備壽命即將到期，查詢備用備件中該設備是否存在*/
queryString = "select * from [t_device_backup] where deviceName=" + SqlString.GetQuotedString(deviceName);
DataSet backupDeviceDs = db.GetDataSet(queryString);
if (backupDeviceDs.Tables[0].Rows.Count == 0)
{
/*如果備用設備不存在，則將該設備名稱加入到庫存報警資訊中*/
devices.Add(deviceName);
}
}
}
return(devices);
}