系统标准SQL连接 Class
时间:2021-07-01 10:21:17
帮助过:8人阅读
class WL_SystemStdConnectionSql{ System.Data.SqlClient.SqlConnection cnn; System.Data.SqlClient.SqlCommand command; System.Data.SqlClient.SqlDataReader reader;}void close(){ ; cnn.Close(); cnn = null;} void ExecuteNonQuery(str strsql){ ; if (!strsql) throw error("SQL语句不存在"); command.set_CommandText(strsql); command.ExecuteNonQuery();}void ExecuteReader(str strsql){ ; if (!strsql) throw error("SQL语句不存在"); command.set_CommandText(strsql); reader = command.ExecuteReader();} void open(str _serverId = sysSqlSystemInfo::construct().getLoginServer(), str _dataId = sysSqlSystemInfo::construct().getloginDatabase(), str _userId = "xxxx", str _pwd = "********"){ str connectionStr; ; connectionStr = "Data Source="+ _serverId + "; Initial Catalog=" + _dataId +";" + " Persist Security Info = True;User ID=" + _userId +"; Password=" + _pwd; cnn = new System.Data.SqlClient.SqlConnection(connectionStr); cnn.Open(); command = cnn.CreateCommand(); command.set_CommandTimeout(3600);}public System.Data.SqlClient.SqlCommand parmCommand(System.Data.SqlClient.SqlCommand _command = command){ ; command = _command; return command;}public System.Data.SqlClient.SqlDataReader parmReader(System.Data.SqlClient.SqlDataReader _reader = reader){ ; reader = _reader; return reader;}
系统标准SQL连接 Class
标签:new void class ase inf user ndt null init