/// <summary>
/// 返回查询结果中第一行第一列
/// </summary>
/// <param name="commandText"></param>
/// <param name="parameters"></param>
/// <param name="cmdType"></param>
/// <param name="type"></param>
/// <param name="adapter"></param>
/// <param name="dbString">分库名</param>
/// <returns></returns>
public static object ExcuteScalar3(string commandText, IList <IDbDataParameter> parameters = null, CommandType cmdType = CommandType.Text, DbConntionType type = DbConntionType.OnlyRead, FluDataAdapter adapter = null, string dbString = null)
{
if (adapter == null)
{
using (FluDataAdapter da = GetAdapter3(commandText, parameters, cmdType, type, dbString))
{
da.OpenConnection();
object obj = da.SelectCommand.ExecuteScalar();
da.CloseConnection();
return(obj);
}
}
adapter.ClearParameter();
adapter.CommandText = commandText;
adapter.CommandType = cmdType;
if (parameters != null)
{
foreach (var p in parameters)
{
adapter.AddParameter(p);
}
}
object result2 = adapter.SelectCommand.ExecuteScalar();
return(result2);
}
/// <summary>
/// 返回查询结果中第一行第一列
/// </summary>
/// <param name="commandText"></param>
/// <param name="cmdType"></param>
/// <param name="paraName"></param>
/// <param name="paraValue"></param>
/// <param name="type"></param>
/// <param name="adapter"></param>
/// <param name="dbString">分库名</param>
/// <returns></returns>
public static object ExcuteScalar(string commandText, CommandType cmdType = CommandType.Text, string[] paraName = null, object[] paraValue = null, DbConntionType type = DbConntionType.OnlyRead, FluDataAdapter adapter = null, string dbString = null)
{
if (adapter == null)
{
using (FluDataAdapter da = GetAdapter(commandText, cmdType, paraName, paraValue, type, dbString))
{
da.OpenConnection();
object obj = da.SelectCommand.ExecuteScalar();
da.CloseConnection();
return(obj);
}
}
adapter.ClearParameter();
adapter.CommandText = commandText;
adapter.CommandType = cmdType;
if (paraName != null && paraValue != null && paraName.Length == paraValue.Length)
{
for (int i = 0; i < paraName.Length; i++)
{
adapter.AddParameter(paraName[i], paraValue[i]);
}
}
object result2 = adapter.SelectCommand.ExecuteScalar();
return(result2);
}
/// <summary>
/// 执行SQL语句
/// </summary>
/// <param name="commandText"></param>
/// <param name="parameters">参数化列表</param>
/// <param name="cmdType"></param>
/// <param name="adapter"></param>
/// <param name="dbString">分库名</param>
/// <returns></returns>
public static int ExcuteNonQuery3(string commandText, IList <IDbDataParameter> parameters = null, CommandType cmdType = CommandType.Text, FluDataAdapter adapter = null, string dbString = null)
{
if (adapter == null)
{
using (adapter = GetAdapter3(commandText, parameters, cmdType, DbConntionType.WriteRead, dbString))
{
adapter.OpenConnection();
int result = adapter.SelectCommand.ExecuteNonQuery();
adapter.CloseConnection();
return(result);
}
}
adapter.ClearParameter();
adapter.CommandText = commandText;
adapter.CommandType = cmdType;
if (parameters != null)
{
foreach (var p in parameters)
{
adapter.AddParameter(p);
}
}
int result2 = adapter.SelectCommand.ExecuteNonQuery();
return(result2);
}
/// <summary>
/// 执行SQL语句
/// </summary>
/// <param name="commandText"></param>
/// <param name="cmdType"></param>
/// <param name="paraName">参数名数组</param>
/// <param name="paraValue">参数值数组</param>
/// <param name="adapter">是否外部传递，如使用事务</param>
/// <param name="dbString">分库名</param>
/// <returns></returns>
public static int ExcuteNonQuery(string commandText, CommandType cmdType = CommandType.Text, string[] paraName = null, object[] paraValue = null, FluDataAdapter adapter = null, string dbString = null)
{
if (adapter == null)
{
using (adapter = GetAdapter(commandText, cmdType, paraName, paraValue, DbConntionType.WriteRead, dbString))
{
adapter.OpenConnection();
int result = adapter.SelectCommand.ExecuteNonQuery();
adapter.CloseConnection();
return(result);
}
}
adapter.ClearParameter();
adapter.CommandText = commandText;
adapter.CommandType = cmdType;
if (paraName != null && paraValue != null && paraName.Length == paraValue.Length)
{
for (int i = 0; i < paraName.Length; i++)
{
adapter.AddParameter(paraName[i], paraValue[i]);
}
}
int result2 = adapter.SelectCommand.ExecuteNonQuery();
return(result2);
}
/// <summary>
/// 获取数据操作适配器
/// </summary>
/// <param name="commandText"></param>
/// <param name="cmdType"></param>
/// <param name="paraName"></param>
/// <param name="paraValue"></param>
/// <param name="type"></param>
/// <param name="dbString"></param>
/// <returns></returns>
public static FluDataAdapter GetAdapter(string commandText = null, CommandType cmdType = CommandType.Text, string[] paraName = null, object[] paraValue = null, DbConntionType type = DbConntionType.WriteRead, string dbString = null)
{
FluDataAdapter da = new FluDataAdapter(type, dbString);
da.CommandText = commandText;
da.CommandType = cmdType;
da.ClearParameter();
if (paraName != null && paraValue != null && paraName.Length == paraValue.Length)
{
for (int i = 0; i < paraName.Length; i++)
{
da.AddParameter(paraName[i], paraValue[i]);
}
}
if (da.ShowSql)
{
SetSqlShow(commandText, paraName, paraValue);
}
return(da);
}