QT操作Excel封装类（包含高级功能：合并单元格，文本及单元格格式设定等）

Pro 文件

CONFIG += qaxcontainer  
  
QT       += core  
  
QT       -= gui  
  
TARGET = QExcel  
CONFIG   += console  
CONFIG   -= app_bundle  
  
TEMPLATE = app  
  
  
SOURCES += main.cpp \  
    qexcel.cpp  
  
HEADERS += \  
    qexcel.h  

头文件：qexcel.h

#ifndef QEXCEL_H  
#define QEXCEL_H  
  
#include   
#include   
  
class QAxObject;  
  
class QExcel : public QObject  
{  
public:  
    QExcel(QString xlsFilePath, QObject *parent = 0);  
    ~QExcel();  
  
public:  
    QAxObject * getWorkBooks();  
    QAxObject * getWorkBook();  
    QAxObject * getWorkSheets();  
    QAxObject * getWorkSheet();  
  
public:  
    /**************************************************************************/  
    /* 工作表                                                                 */  
    /**************************************************************************/  
    void selectSheet(const QString& sheetName);  
    //sheetIndex 起始于 1  
    void selectSheet(int sheetIndex);  
    void deleteSheet(const QString& sheetName);  
    void deleteSheet(int sheetIndex);  
    void insertSheet(QString sheetName);  
    int getSheetsCount();  
    //在 selectSheet() 之后才可调用  
    QString getSheetName();  
    QString getSheetName(int sheetIndex);  
  
    /**************************************************************************/  
    /* 单元格                                                                 */  
    /**************************************************************************/  
    void setCellString(int row, int column, const QString& value);  
    //cell 例如 "A7"  
    void setCellString(const QString& cell, const QString& value);  
    //range 例如 "A5:C7"  
    void mergeCells(const QString& range);  
    void mergeCells(int topLeftRow, int topLeftColumn, int bottomRightRow, int bottomRightColumn);  
    QVariant getCellValue(int row, int column);  
    void clearCell(int row, int column);  
    void clearCell(const QString& cell);  
  
    /**************************************************************************/  
    /* 布局格式                                                               */  
    /**************************************************************************/  
    void getUsedRange(int *topLeftRow, int *topLeftColumn, int *bottomRightRow, int *bottomRightColumn);  
    void setColumnWidth(int column, int width);  
    void setRowHeight(int row, int height);  
    void setCellTextCenter(int row, int column);  
    void setCellTextCenter(const QString& cell);  
    void setCellTextWrap(int row, int column, bool isWrap);  
    void setCellTextWrap(const QString& cell, bool isWrap);  
    void setAutoFitRow(int row);  
    void mergeSerialSameCellsInAColumn(int column, int topRow);  
    int getUsedRowsCount();  
    void setCellFontBold(int row, int column, bool isBold);  
    void setCellFontBold(const QString& cell, bool isBold);  
    void setCellFontSize(int row, int column, int size);  
    void setCellFontSize(const QString& cell, int size);  
  
    /**************************************************************************/  
    /* 文件                                                                   */  
    /**************************************************************************/  
    void save();  
    void close();  
  
private:  
    QAxObject * excel;  
    QAxObject * workBooks;  
    QAxObject * workBook;  
    QAxObject * sheets;  
    QAxObject * sheet;  
};  
  
#endif  

CPP文件：qexcel.cpp

#include   
#include   
#include   
#include   
  
#include "qexcel.h"  
  
QExcel::QExcel(QString xlsFilePath, QObject *parent)  
{  
    excel = 0;  
    workBooks = 0;  
    workBook = 0;  
    sheets = 0;  
    sheet = 0;  
  
    excel = new QAxObject("Excel.Application", parent);  
    workBooks = excel->querySubObject("Workbooks");  
    QFile file(xlsFilePath);  
    if (file.exists())  
    {  
        workBooks->dynamicCall("Open(const QString&)", xlsFilePath);  
        workBook = excel->querySubObject("ActiveWorkBook");  
        sheets = workBook->querySubObject("WorkSheets");  
    }  
}  
  
QExcel::~QExcel()  
{  
    close();  
}  
  
void QExcel::close()  
{  
    excel->dynamicCall("Quit()");  
  
    delete sheet;  
    delete sheets;  
    delete workBook;  
    delete workBooks;  
    delete excel;  
  
    excel = 0;  
    workBooks = 0;  
    workBook = 0;  
    sheets = 0;  
    sheet = 0;  
}  
  
QAxObject *QExcel::getWorkBooks()  
{  
    return workBooks;  
}  
  
QAxObject *QExcel::getWorkBook()  
{  
    return workBook;  
}  
  
QAxObject *QExcel::getWorkSheets()  
{  
    return sheets;  
}  
  
QAxObject *QExcel::getWorkSheet()  
{  
    return sheet;  
}  
  
void QExcel::selectSheet(const QString& sheetName)  
{  
    sheet = sheets->querySubObject("Item(const QString&)", sheetName);  
}  
  
void QExcel::deleteSheet(const QString& sheetName)  
{  
    QAxObject * a = sheets->querySubObject("Item(const QString&)", sheetName);  
    a->dynamicCall("delete");  
}  
  
void QExcel::deleteSheet(int sheetIndex)  
{  
    QAxObject * a = sheets->querySubObject("Item(int)", sheetIndex);  
    a->dynamicCall("delete");  
}  
  
void QExcel::selectSheet(int sheetIndex)  
{  
    sheet = sheets->querySubObject("Item(int)", sheetIndex);  
}  
  
void QExcel::setCellString(int row, int column, const QString& value)  
{  
    QAxObject *range = sheet->querySubObject("Cells(int,int)", row, column);  
    range->dynamicCall("SetValue(const QString&)", value);  
}  
  
void QExcel::setCellFontBold(int row, int column, bool isBold)  
{  
    QString cell;  
    cell.append(QChar(column - 1 + 'A'));  
    cell.append(QString::number(row));  
  
    QAxObject *range = sheet->querySubObject("Range(const QString&)", cell);  
    range = range->querySubObject("Font");  
    range->setProperty("Bold", isBold);  
}  
  
void QExcel::setCellFontSize(int row, int column, int size)  
{  
    QString cell;  
    cell.append(QChar(column - 1 + 'A'));  
    cell.append(QString::number(row));  
  
    QAxObject *range = sheet->querySubObject("Range(const QString&)", cell);  
    range = range->querySubObject("Font");  
    range->setProperty("Size", size);  
}  
  
void QExcel::mergeCells(const QString& cell)  
{  
    QAxObject *range = sheet->querySubObject("Range(const QString&)", cell);  
    range->setProperty("VerticalAlignment", -4108);//xlCenter  
    range->setProperty("WrapText", true);  
    range->setProperty("MergeCells", true);  
}  
  
void QExcel::mergeCells(int topLeftRow, int topLeftColumn, int bottomRightRow, int bottomRightColumn)  
{  
    QString cell;  
    cell.append(QChar(topLeftColumn - 1 + 'A'));  
    cell.append(QString::number(topLeftRow));  
    cell.append(":");  
    cell.append(QChar(bottomRightColumn - 1 + 'A'));  
    cell.append(QString::number(bottomRightRow));  
  
    QAxObject *range = sheet->querySubObject("Range(const QString&)", cell);  
    range->setProperty("VerticalAlignment", -4108);//xlCenter  
    range->setProperty("WrapText", true);  
    range->setProperty("MergeCells", true);  
}  
  
QVariant QExcel::getCellValue(int row, int column)  
{  
    QAxObject *range = sheet->querySubObject("Cells(int,int)", row, column);  
    return range->property("Value");  
}  
  
void QExcel::save()  
{  
    workBook->dynamicCall("Save()");  
}  
  
int QExcel::getSheetsCount()  
{  
    return sheets->property("Count").toInt();  
}  
  
QString QExcel::getSheetName()  
{  
    return sheet->property("Name").toString();  
}  
  
QString QExcel::getSheetName(int sheetIndex)  
{  
    QAxObject * a = sheets->querySubObject("Item(int)", sheetIndex);  
    return a->property("Name").toString();  
}  
  
void QExcel::getUsedRange(int *topLeftRow, int *topLeftColumn, int *bottomRightRow, int *bottomRightColumn)  
{  
    QAxObject *usedRange = sheet->querySubObject("UsedRange");  
    *topLeftRow = usedRange->property("Row").toInt();  
    *topLeftColumn = usedRange->property("Column").toInt();  
  
    QAxObject *rows = usedRange->querySubObject("Rows");  
    *bottomRightRow = *topLeftRow + rows->property("Count").toInt() - 1;  
  
    QAxObject *columns = usedRange->querySubObject("Columns");  
    *bottomRightColumn = *topLeftColumn + columns->property("Count").toInt() - 1;  
}  
  
void QExcel::setColumnWidth(int column, int width)  
{  
    QString columnName;  
    columnName.append(QChar(column - 1 + 'A'));  
    columnName.append(":");  
    columnName.append(QChar(column - 1 + 'A'));  
  
    QAxObject * col = sheet->querySubObject("Columns(const QString&)", columnName);  
    col->setProperty("ColumnWidth", width);  
}  
  
void QExcel::setCellTextCenter(int row, int column)  
{  
    QString cell;  
    cell.append(QChar(column - 1 + 'A'));  
    cell.append(QString::number(row));  
  
    QAxObject *range = sheet->querySubObject("Range(const QString&)", cell);  
    range->setProperty("HorizontalAlignment", -4108);//xlCenter  
}  
  
void QExcel::setCellTextWrap(int row, int column, bool isWrap)  
{  
    QString cell;  
    cell.append(QChar(column - 1 + 'A'));  
    cell.append(QString::number(row));  
  
    QAxObject *range = sheet->querySubObject("Range(const QString&)", cell);  
    range->setProperty("WrapText", isWrap);  
}  
  
void QExcel::setAutoFitRow(int row)  
{  
    QString rowsName;  
    rowsName.append(QString::number(row));  
    rowsName.append(":");  
    rowsName.append(QString::number(row));  
  
    QAxObject * rows = sheet->querySubObject("Rows(const QString &)", rowsName);  
    rows->dynamicCall("AutoFit()");  
}  
  
void QExcel::insertSheet(QString sheetName)  
{  
    sheets->querySubObject("Add()");  
    QAxObject * a = sheets->querySubObject("Item(int)", 1);  
    a->setProperty("Name", sheetName);  
}  
  
void QExcel::mergeSerialSameCellsInAColumn(int column, int topRow)  
{  
    int a,b,c,rowsCount;  
    getUsedRange(&a, &b, &rowsCount, &c);  
  
    int aMergeStart = topRow, aMergeEnd = topRow + 1;  
  
    QString value;  
    while(aMergeEnd <= rowsCount)  
    {  
        value = getCellValue(aMergeStart, column).toString();  
        while(value == getCellValue(aMergeEnd, column).toString())  
        {  
            clearCell(aMergeEnd, column);  
            aMergeEnd++;  
        }  
        aMergeEnd--;  
        mergeCells(aMergeStart, column, aMergeEnd, column);  
  
        aMergeStart = aMergeEnd + 1;  
        aMergeEnd = aMergeStart + 1;  
    }  
}  
  
void QExcel::clearCell(int row, int column)  
{  
    QString cell;  
    cell.append(QChar(column - 1 + 'A'));  
    cell.append(QString::number(row));  
  
    QAxObject *range = sheet->querySubObject("Range(const QString&)", cell);  
    range->dynamicCall("ClearContents()");  
}  
  
void QExcel::clearCell(const QString& cell)  
{  
    QAxObject *range = sheet->querySubObject("Range(const QString&)", cell);  
    range->dynamicCall("ClearContents()");  
}  
  
int QExcel::getUsedRowsCount()  
{  
    QAxObject *usedRange = sheet->querySubObject("UsedRange");  
    int topRow = usedRange->property("Row").toInt();  
    QAxObject *rows = usedRange->querySubObject("Rows");  
    int bottomRow = topRow + rows->property("Count").toInt() - 1;  
    return bottomRow;  
}  
  
void QExcel::setCellString(const QString& cell, const QString& value)  
{  
    QAxObject *range = sheet->querySubObject("Range(const QString&)", cell);  
    range->dynamicCall("SetValue(const QString&)", value);  
}  
  
void QExcel::setCellFontSize(const QString &cell, int size)  
{  
    QAxObject *range = sheet->querySubObject("Range(const QString&)", cell);  
    range = range->querySubObject("Font");  
    range->setProperty("Size", size);  
}  
  
void QExcel::setCellTextCenter(const QString &cell)  
{  
    QAxObject *range = sheet->querySubObject("Range(const QString&)", cell);  
    range->setProperty("HorizontalAlignment", -4108);//xlCenter  
}  
  
void QExcel::setCellFontBold(const QString &cell, bool isBold)  
{  
    QAxObject *range = sheet->querySubObject("Range(const QString&)", cell);  
    range = range->querySubObject("Font");  
    range->setProperty("Bold", isBold);  
}  
  
void QExcel::setCellTextWrap(const QString &cell, bool isWrap)  
{  
    QAxObject *range = sheet->querySubObject("Range(const QString&)", cell);  
    range->setProperty("WrapText", isWrap);  
}  
  
void QExcel::setRowHeight(int row, int height)  
{  
    QString rowsName;  
    rowsName.append(QString::number(row));  
    rowsName.append(":");  
    rowsName.append(QString::number(row));  
  
    QAxObject * r = sheet->querySubObject("Rows(const QString &)", rowsName);  
    r->setProperty("RowHeight", height);  
}  

main函数文件：main.cpp

#include   
#include   
  
#include "qexcel.h"  
  
int main(int argc, char *argv[])  
{  
    QApplication a(argc, argv);  
  
    //打开文件，取得工作簿  
        QExcel j("D:/test.xls");  
    //取得工作表数量  
    //qDebug()<<"SheetCount"<