新建QT GUI项目,在选择选项中勾选ActiveQT Container.
#include <qaxobject.h>
QAxObject *obj = new QAxObject("Excel.Application");
obj->setProperty("Visible", true);
obj->setProperty("Caption", "Hello world");
QAxObject *workBooks = obj->querySubObject("Workbooks");
//打开已存的excel文件
//QAxObject *workBook = workBooks->querySubObject("Open(QString)", "D:\\QTDemo\\OpExcel\\Debug\\1.xls");
workBooks->dynamicCall("Add");
QAxObject *workBook = workBooks->querySubObject("Item(const int)", 1);
QAxObject *sheets = workBook->querySubObject("Sheets");
QAxObject *sheet = sheets->querySubObject("Item(int)", 1);
QAxObject *range = sheet->querySubObject("Range(const QVariant&)", QVariant(QString("A1:A1")));
range->dynamicCall("Clear()");
range->dynamicCall("SetValue(const QVariant&)", QVariant(5));
obj->dynamicCall("SetScreenUpdating(bool)", true);
在Excel中插入图表
QAxObject *excel = new QAxObject("Excel.Application", 0);
excel->setProperty("SheetsInNewWorkbook", 1);
excel->setProperty("Visible", true);
QAxObject *workbooks = excel->querySubObject("Workbooks");
QAxObject *workbook = workbooks->querySubObject("Add");
QAxObject *worksheet = workbook->querySubObject("Worksheets (int)", 1);
worksheet->setProperty("Name","Dati applicazione");
QAxObject *cell = worksheet->querySubObject("Cells(int,int)", 1, 1);
cell->dynamicCall("SetValue(String)", "Serie");
cell = worksheet->querySubObject("Cells(int,int)", 1, 2);
cell->dynamicCall("SetValue(String)", "Dati");
for (int i = 2; i < 10; i++){
cell = worksheet->querySubObject("Cells(int,int)", i, 1);
cell->dynamicCall("SetValue(int)", i - 1);
cell = worksheet->querySubObject("Cells(int,int)", i, 2);
cell->dynamicCall("SetValue(double)", qrand());
}
QAxObject *charts = workbook->querySubObject("Charts");
QAxObject *chart = charts->querySubObject("Add");
chart->setProperty("Name", "Report Grafico dei dati");
chart->setProperty("ChartType", 73);
QAxObject * serie = chart->querySubObject("SeriesCollection(int)", 1);
QAxObject * xvalues = worksheet->querySubObject("Range(A2:A9)");
QAxObject * yvalues = worksheet->querySubObject("Range(B2:B9)");
serie->setProperty("XValues", xvalues->asVariant());
serie->setProperty("Values", yvalues->asVariant());
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QAxWidget excel("Excel.Application");
1) 显示当前窗口:
excel.setProperty("Visible", true);
2) 更改 Excel 标题栏:
excel.setProperty("Caption", "Invoke Microsoft Excel");
3) 添加新工作簿:
QAxObject * workbooks = excel.querySubObject("WorkBooks");
workbooks->dynamicCall("Add");
4) 打开已存在的工作簿:
workbooks->dynamicCall("Open (const QString&)", QString("c:/test.xls"));
5) 获取活动工作簿:
QAxObject * workbook = excel.querySubObject("ActiveWorkBook");
6) 获取所有的工作表:
QAxObject * worksheets = workbook->querySubObject("WorkSheets");
7) 获取工作表数量:
int intCount = worksheets->property("Count").toInt();
8) 获取第一个工作表:
QAxObject * worksheet = workbook->querySubObject("Worksheets(int)", 1);
9) 获取cell的值:
QAxObject * range = worksheet->querySubObject("Cells(int,int)", 1, 1 );
示例代码:
#include <QtGui>
#include <QAxObject>
#include <QAxWidget>
#include <qaxselect.h> //备注:在我(GUOBBS,不是原作者)的测试中,已删掉此行
int main(int argc, char **argv)
{
QApplication a(argc, argv);
QAxSelect select;
select.show();
QAxWidget excel("Excel.Application");
excel.setProperty("Visible", true);
QAxObject * workbooks = excel.querySubObject("WorkBooks");
workbooks->dynamicCall("Open (const QString&)", QString("c:/test.xls"));
QAxObject * workbook = excel.querySubObject("ActiveWorkBook");
QAxObject * worksheets = workbook->querySubObject("WorkSheets");
int intCount = worksheets->property("Count").toInt();
for (int i = 1; i <= intCount; i++)
{
int intVal;
QAxObject * worksheet = workbook->querySubObject("Worksheets(int)", i);
qDebug() << i << worksheet->property("Name").toString();
QAxObject * range = worksheet->querySubObject("Cells(1,1)");
intVal = range->property("Value").toInt();
range->setProperty("Value", QVariant(intVal+1));
QAxObject * range2 = worksheet->querySubObject("Range(C1)");
intVal = range2->property("Value").toInt();
range2->setProperty("Value", QVariant(intVal+1));
}
QAxObject * worksheet = workbook->querySubObject("Worksheets(int)", 1);
QAxObject * usedrange = worksheet->querySubObject("UsedRange");
QAxObject * rows = usedrange->querySubObject("Rows");
QAxObject * columns = usedrange->querySubObject("Columns");
int intRowStart = usedrange->property("Row").toInt();
int intColStart = usedrange->property("Column").toInt();
int intCols = columns->property("Count").toInt();
int intRows = rows->property("Count").toInt();
for (int i = intRowStart; i < intRowStart + intRows; i++)
{
for (int j = intColStart; j <= intColStart + intCols; j++)
{
QAxObject * range = worksheet->querySubObject("Cells(int,int)", i, j );
qDebug() << i << j << range->property("Value");
}
}
excel.setProperty("DisplayAlerts", 0);
workbook->dynamicCall("SaveAs (const QString&)", QString("c:/xlsbyqt.xls"));
excel.setProperty("DisplayAlerts", 1);
workbook->dynamicCall("Close (Boolean)", false);
excel.dynamicCall("Quit (void)");
return a.exec();
}
补充说明:
工程*.pro的文件需要加上下面这行以加载COM组件
CONFIG += qaxcontainer