public static DataSet GetDataSet(string processID, string sql, string strOrderKey, WsGetDataClient.WSGetData mgr, string fieldStr, string IsRepeatDown)
{
DataSet ds = new DataSet();
sql = encstr + DesEncrypt.Encrypt(sql);
if (IsRepeatDown == "1")
{
string countsql = "select count(1) " + sql.Substring(sql.ToLower().IndexOf(" from "));
DataSet dscount = mgr.getDataSet(processID, countsql);
long dtcount = 0;
if (dscount != null && dscount.Tables.Count > 0)
{
dtcount = Convert.ToInt64(dscount.Tables[0].Rows[0][0]);
}
if (dtcount <= pgNum)
{
ds = StringToDataSet.getDataSetFromZipDataFormat(mgr.getZipDataFormatByte(processID, sql));
}
else
{
WebSvrGetDataAsync getDataSync = new WebSvrGetDataAsync(processID, dtcount, sql, strOrderKey, mgr, fieldStr);
ds = getDataSync.returnDataSet();
}
}
else
{
ds = StringToDataSet.getDataSetFromZipDataFormat(mgr.getZipDataFormatByte(processID, sql));
}
return(ds);
}
public WebSvrGetDataAsync(string processID, long dtCount, string sql, string strOrderKey, WsGetDataClient.WSGetData mgr, string fieldStr)
{
_dtCount = dtCount;
FieldStr = fieldStr;
sql = WebSvrGetData.encstr + DesEncrypt.Encrypt(sql);
loadNum = dtCount % WebSvrGetData.pgNum == 0 ? dtCount / WebSvrGetData.pgNum : dtCount / WebSvrGetData.pgNum + 1;
ansyncGetDataSet(processID, dtCount, sql, strOrderKey, mgr);
}
public static DataSet GetDataSet(string processID, string sql, string strOrderKey, WsGetDataClient.WSGetData mgr, string fieldStr)
{
DataSet ds = new DataSet();
sql = encstr + DesEncrypt.Encrypt(sql);
ds = StringToDataSet.getDataSetFromZipDataFormat(mgr.getZipDataFormatByte(processID, sql));
return(ds);
}
public static void execsqlAysnc(string processID, string sql, WsGetDataClient.WSGetData mgr)
{
sql = encstr + DesEncrypt.Encrypt(sql);
mgr.execsqlAsync(processID, sql);
mgr.execsqlCompleted += new execsqlCompletedEventHandler((o, a) => {
Console.WriteLine(o.ToString());
//Response.Write(string.Format("完成时间：{0}。 结果{1}<Br>", DateTime.Now.ToString("mm:ss.ffff"), a.Result));
});
}
public static DataTable getDataTable(string processID, WsGetDataClient.WSGetData mgr, string sql)
{
DataTable dt = new DataTable();
DataSet ds = new DataSet();
sql = encstr + DesEncrypt.Encrypt(sql);
ds = StringToDataSet.getDataSetFromZipDataFormat(mgr.getZipDataFormatByte(processID, sql));
if (ds.Tables.Count > 0)
{
dt = ds.Tables[0];
}
return(dt);
}
private void syncGetDataSet(string processID, long dtcount, string sql, string strOrderKey, WsGetDataClient.WSGetData mgr)
{
sql = WebSvrGetData.encstr + DesEncrypt.Encrypt(sql);
string dbtype = mgr.getDBType(processID);
string vssql = "";
if (dbtype == "ora")
{
vssql = "select * from ( {0} )z1 where rownum>{1} and rownum<={2} ";
}
else
{
if (string.IsNullOrEmpty(strOrderKey))
{
throw new Exception("数据量过大，请联系开发人员调用异步加载方式！");
}
vssql = @"select top {1} * from
( select top {2} * from ({0}) z1 order by {3}) z2
order by {3} desc ";
}
for (int m = 0; m < loadNum; m++)
{
long longs = m * WebSvrGetData.pgNum;
long longe = (m + 1) * WebSvrGetData.pgNum;
if (dbtype == "ora")
{
sql = string.Format(vssql, sql, longs + "", longe + "");
}
else
{
sql = string.Format(vssql, sql, WebSvrGetData.pgNum, longe + "", strOrderKey);
}
DataSet dsre = StringToDataSet.getDataSetFromZipDataFormat(mgr.getZipDataFormatByte(processID, sql));
if (ds == null)
{
ds = dsre.Copy();
}
else
{
foreach (DataRow row in dsre.Tables[0].Rows)
{
ds.Tables[0].Rows.Add(row.ItemArray);
}
}
}
}
public static void execsql(string processID, string sql, WsGetDataClient.WSGetData mgr)
{
sql = encstr + DesEncrypt.Encrypt(sql);
mgr.execsql(processID, sql);
}
private void ansyncGetDataSet(string processID, long dtcount, string sql, string strOrderKey, WsGetDataClient.WSGetData mgr)
{
string dbtype = mgr.getDBType(processID);
string vssql = "";
string sqlexe = "";
if (dbtype == "ora")
{
vssql = " select * from (select rownum rn {3} from ( {0} )z1)z2 where rn>{1} and rn<={2} ";
}
else
{
if (string.IsNullOrEmpty(strOrderKey))
{
throw new Exception("数据量过大，请联系开发人员调用异步加载方式！");
}
vssql = @"select top {1} * from
( select top {2} * from ({0}) z1 order by {3}) z2
order by {3} desc ";
}
if (loadNum > 0)
{
delArr = new AsyncDelegate[loadNum];
arArr = new IAsyncResult[loadNum];
bool[] blLoadDs = new bool[loadNum];
for (int m = 0; m < loadNum; m++)
{
blLoadDs[m] = false;
long longs = m * WebSvrGetData.pgNum;
long longe = (m + 1) * WebSvrGetData.pgNum;
if (m == loadNum - 1)
{
longe = _dtCount;
}
if (dbtype == "ora")
{
sqlexe = string.Format(vssql, sql, longs + "", longe + "", FieldStr);
}
else
{
sqlexe = string.Format(vssql, sql, Convert.ToString(longe - longs), longe + "", strOrderKey);
}
sqlexe = WebSvrGetData.encstr + DesEncrypt.Encrypt(sqlexe);
WebSvrGetDataAsyncDelegate delobj = new WebSvrGetDataAsyncDelegate();
delArr[m] = new AsyncDelegate(delobj.getData);
arArr[m] = delArr[m].BeginInvoke(mgr, processID, sqlexe, null, null);
}
bool delCompleted = false;
while (delCompleted == false)
{
delCompleted = true;
for (int n = 0; n < loadNum; n++)
{
IAsyncResult ar = arArr[n];
if (!ar.IsCompleted)
{
delCompleted = false;
break;
}
else
{
if (!blLoadDs[n])
{
blLoadDs[n] = true;
DataSet dsre = delArr[n].EndInvoke(ar);
ds.Merge(dsre);
}
}
}
Thread.Sleep(10);
}
}
}
public void execsql(WsGetDataClient.WSGetData mgr, string processID, string sql)
{
sql = WebSvrGetData.encstr + DesEncrypt.Encrypt(sql);
mgr.execsql(processID, sql);
}
public DataSet getData(WsGetDataClient.WSGetData mgr, string processID, string sql)
{
sql = WebSvrGetData.encstr + DesEncrypt.Encrypt(sql);
return(StringToDataSet.getDataSetFromZipDataFormat(mgr.getZipDataFormatByte(processID, sql)));
}
