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分享QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE");
db.setDatabaseName("database");
if (!db.open()){
qDebug() << "1";
QMessageBox::critical(0, QObject::tr("Error"),
db.lastError().text());
}db.setDatabaseName(":memory:");RROR: no file at "/opt/local/lib/mysql55/mysql/libmysqlclient.18.dylib"
ERROR: no file at "/usr/local/lib/libpq.5.dylib"