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）
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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 <QString> #include <QVariant> 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 <QAxObject> #include <QFile> #include <QStringList> #include <QDebug> #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 <QtGui/QApplication> #include <QDebug> #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"<<j.getSheetsCount(); //激活一张工作表 //j.selectSheet(1); //j.selectSheet("JSheet2"); //取得工作表名称 //j.selectSheet(1); //j.getSheetName(); //qDebug()<<"SheetName 1"<<j.getSheetName(1); //取得工作表已使用范围 //int topLeftRow, topLeftColumn, bottomRightRow, bottomRightColumn; //j.getUsedRange(&topLeftRow, &topLeftColumn, &bottomRightRow, &bottomRightColumn); //读值 //j.getCellValue(2, 2).toString(); //删除工作表 //j.selectSheet("Sheet1"); //j.selectSheet(1); //j.deleteSheet(); //j.save(); //插入数据 j.selectSheet("Sheet1"); j.setCellString(1, 7, "addString"); j.setCellString("A3", "abc"); j.save(); //合并单元格 //j.selectSheet(2); //j.mergeCells("G1:H2"); //j.mergeCells(4, 7, 5 ,8); //j.save(); //设置列宽 //j.selectSheet(1); //j.setColumnWidth(1, 20); //j.save(); //设置粗体 //j.selectSheet(1); //j.setCellFontBold(2, 2, true); //j.setCellFontBold("A2", true); //j.save(); //设置文字大小 //j.selectSheet(1); //j.setCellFontSize("B3", 20); //j.setCellFontSize(1, 2, 20); //j.save(); //设置单元格文字居中 //j.selectSheet(2); //j.setCellTextCenter(1, 2); //j.setCellTextCenter("A2"); //j.save(); //设置单元格文字自动折行 //j.selectSheet(1); //j.setCellTextWrap(2,2,true); //j.setCellTextWrap("A2", true); //j.save(); //设置一行自适应行高 //j.selectSheet(1); //j.setAutoFitRow(2); //j.save(); //新建工作表 //j.insertSheet("abc"); //j.save(); //清除单元格内容 //j.selectSheet(4); //j.clearCell(1,1); //j.clearCell("A2"); //j.save(); //合并一列中相同连续的单元格 //j.selectSheet(1); //j.mergeSerialSameCellsInColumn(1, 2); //j.save(); //获取一张工作表已用行数 //j.selectSheet(1); //qDebug()<<j.getUsedRowsCount(); //设置行高 //j.selectSheet(1); //j.setRowHeight(2, 30); //j.save(); j.close(); qDebug()<<"App End"; return a.exec(); } 0 0
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