void CMainWindow::openExcel(QString fileName) { QAxObject excel("Excel.Application"); excel.setProperty("Visible", false); QAxObject *work_books = excel.querySubObject("WorkBooks"); work_books->dynamicCall("Open(const QString&)", fileName); QAxObject *work_book = excel.querySubObject("ActiveWorkBook"); QAxObject *work_sheets = work_book->querySubObject("Sheets"); //Sheets也可换用WorkSheets int sheet_count = work_sheets->property("Count").toInt(); //获取工作表数目 if (sheet_count > 0) { QAxObject *work_sheet = work_book->querySubObject("Sheets(int)", 1); ui.label->setText("文件数据读取中..."); QVariant var = readAll(work_sheet); castVariant2ListListVariant(var); } work_book->dynamicCall("Close(Boolean)", false); //关闭文件 excel.dynamicCall("Quit(void)"); //退出 } QVariant CMainWindow::readAll(QAxObject *sheet) { QVariant var; if (sheet != NULL && !sheet->isNull()) { QAxObject *usedRange = sheet->querySubObject("UsedRange"); if (NULL == usedRange || usedRange->isNull()) { return var; } var = usedRange->dynamicCall("Value"); delete usedRange; } return var; } void CMainWindow::castVariant2ListListVariant(const QVariant &var) { QVariantList varRows = var.toList(); if (varRows.isEmpty()) { return; } const int rowCount = varRows.size(); QVariantList rowData; for (int i = 0; i < rowCount; ++i) { rowData = varRows[i].toList(); if (i == 0) { QStringList headers; for each (auto item in rowData) { QString value = item.toString(); headers.append(value); } ui.tableWidget->setColumnCount(headers.size()); //设置列数 ui.tableWidget->setHorizontalHeaderLabels(headers); } else { int row = ui.tableWidget->rowCount(); ui.tableWidget->setRowCount(row + 1); for (int j = 0; j < rowData.size(); j++) { QString value = rowData[j].toString(); QTableWidgetItem *item = new QTableWidgetItem(value); ui.tableWidget->setItem(row, j, item); } } } }