QPSQL驱动程序未加载(Qt6,Postgres-13)
我试着重复,但这对我没有帮助。我使用了x64 Postgresql,我的Qt应用程序也使用了x64QPSQL驱动程序未加载(Qt6,Postgres-13),qt,postgresql-13,qt6,Qt,Postgresql 13,Qt6,我试着重复,但这对我没有帮助。我使用了x64 Postgresql,我的Qt应用程序也使用了x64 m_dataBase.addDatabase("QPSQL"); m_dataBase.setHostName(g_hostName); m_dataBase.setPort(g_databasePort); m_dataBase.setDatabaseName(g_databaseName); m_dataBas
m_dataBase.addDatabase("QPSQL");
m_dataBase.setHostName(g_hostName);
m_dataBase.setPort(g_databasePort);
m_dataBase.setDatabaseName(g_databaseName);
m_dataBase.setUserName(g_userName);
m_dataBase.setPassword(g_password);
qInfo() << "drivers:" << m_dataBase.drivers();
if( !m_dataBase.isDriverAvailable("QPSQL")) {
qWarning() << "Driver QPSQL is not available";
} else {
qInfo() << "QPSQL is available";
}
if (m_dataBase.open()) {
qInfo() << "Data base open SUCCESSFUL";
return true;
} else {
qWarning() << "Data base does not open";
qInfo() << "Last ERROR:" << m_dataBase.lastError().driverText();
}
用于编辑调试日志。
我在cmd中更新PATH变量
SET PATH=D:\PostgresLib\lib;%PATH%
SET PATH=D:\PostgresLib\bin;%PATH%
在我看到输出之后:
[06/05/2021 10:28:13.305] DBG line: QFactoryLoader::QFactoryLoader() looking at "C:/Qt/6.0.3/mingw81_64/plugins/sqldrivers/qsqlpsql.dll"
[06/05/2021 10:28:13.306] WAR line: Found metadata in lib C:/Qt/6.0.3/mingw81_64/plugins/sqldrivers/qsqlpsql.dll, metadata=
{
"IID": "org.qt-project.Qt.QSqlDriverFactoryInterface",
"MetaData": {
"Keys": [
"QPSQL"
]
},
"archreq": 0,
"className": "QPSQLDriverPlugin",
"debug": false,
"version": 393216
}
[06/05/2021 10:28:13.306] DBG line: Got keys from plugin meta data QList("QPSQL")
[06/05/2021 10:28:13.306] DBG line: QFactoryLoader::QFactoryLoader() checking directory path "D:/Projects/Build/sqldrivers" ...
[06/05/2021 10:28:13.309] DBG line: loaded library "C:/Qt/6.0.3/mingw81_64/plugins/sqldrivers/qsqlpsql.dll"
[06/05/2021 10:28:13.309] INF postgresdatabase.cpp virtual bool PostgresDataBase::init() line:24 drivers: QList("QSQLITE", "QODBC", "QPSQL")
[06/05/2021 10:28:13.309] INF postgresdatabase.cpp virtual bool PostgresDataBase::init() line:29 QPSQL is available
[06/05/2021 10:28:13.309] WAR postgresdatabase.cpp virtual bool PostgresDataBase::init() line:36 Data base does not open
问题出现在未初始化的对象QSQLM_数据库中; 修正: 而不是这个字符串
m_dataBase.addDatabase("QPSQL");
我用
m_dataBase.addDatabase("QPSQL");
m_dataBase = QSqlDatabase::addDatabase("QPSQL");