I am using the oracle client remote connection, does not need listeners, but is to give me an error:
Error_Oracle:
"ORA - 12541: TNS: no listener \ nUnable to logon"

PLSQL connect to the database properly
In QT with ODBC can also connect to the database (GBK), but garbled words in QSqlQuery class in Chinese (query. Value (). The toString () the data extraction process itself is gibberish, how transcoding is "kun jins kao", can only hope that QOCI)