用release编译能读不能写，用的QT5.9

[ghost]

QString xlsFile = QFileDialog::getExistingDirectory(this); if(xlsFile.isEmpty()) return; xlsFile += "/excelRWByCztr1988.xls"; if(m_xls.isNull()) m_xls.reset(new ExcelBase); m_xls->create(xlsFile); //返回true m_xls->setCurrentSheet(1); // 返回true m_xls->writeCurrentSheet(write_data); //返回false，write_data已测试行数为187 m_xls->save();