使用BasicExcel操作Excel

摘要：这个类是国外人写的一个操作Excel类，应该说比较好用，虽然对中文的支持不够好，但经过转码后使用起来还是非常不错的。下给大家介绍一下：

此类总共包含4个类文件分别是：BasicExcel.hpp,BasicExcel.cpp,ExcelFormat.h,ExcelFormat.cpp前两个是操作Excel文件的，后两个是设置Excel单元格相关格式的等等。类文件下载路径及使用Demo链接如下：（http://shell.franken.de/svn/sky/excel/trunk/ExcelFormat/）

下面部分是引用CodeProject网站的使用说明和例子程序：

class BasicExcel

`void New(int sheets=3)`	Create a new Excel workbook with a given number of spreadsheets (Minimum 1).
`bool Load(const char* filename)`	Load an Excel workbook from a file.
`bool Save()`	Save current Excel workbook to opened file.
`bool SaveAs(const char* filename)`	Save current Excel workbook to a file.
`size_t GetTotalWorkSheets()`	Total number of Excel worksheets in current Excel workbook.
`BasicExcelWorksheet* GetWorksheet(size_t sheetIndex)`	Get a pointer to an Excel worksheet at the given index. Index starts from `0`. Returns `0` if index is invalid.
`BasicExcelWorksheet* GetWorksheet(const char* name)`	Get a pointer to an Excel worksheet that has given ANSI name. Returns `0` if there is no Excel worksheet with the given name.
`BasicExcelWorksheet* GetWorksheet(const wchar_t* name)`	Get a pointer to an Excel worksheet that has given Unicode name. Returns`0` if there is no Excel worksheet with the given name.
`BasicExcelWorksheet* AddWorksheet(int sheetIndex=-1)`	Add a new Excel worksheet to the given index. Name given to worksheet is SheetX, where X is a number which starts from 1. Index starts from `0`. Worksheet is added to the last position if `sheetIndex == -1`. Returns a pointer to the worksheet if successful, `0` if otherwise.
`BasicExcelWorksheet* AddWorksheet(const char* name, int sheetIndex=-1)`	Add a new Excel worksheet with given ANSI name to the given index. Index starts from `0`. Worksheet is added to the last position if `sheetIndex == -1`. Returns a pointer to the worksheet if successful, 0 if otherwise.
`BasicExcelWorksheet* AddWorksheet(const wchar_t* name, int sheetIndex=-1)`	Add a new Excel worksheet with given Unicode name to the given index. Index starts from `0`. Worksheet is added to the last position if `sheetIndex == -1`. Returns a pointer to the worksheet if successful, 0 if otherwise.
`bool DeleteWorksheet(size_t sheetIndex)`	Delete an Excel worksheet at the given index. Index starts from `0`. Returns`true` if successful, `false` if otherwise.
`bool DeleteWorksheet(const char* name)`	Delete an Excel worksheet that has given ANSI name. Returns `true` if successful, `false` if otherwise.
`bool DeleteWorksheet(const wchar_t* name)`	Delete an Excel worksheet that has given Unicode name. Returns `true` if successful, `false` if otherwise.
`char* GetAnsiSheetName(size_t sheetIndex)`	Get the worksheet name at the given index. Index starts from `0`. Returns `0` if name is in Unicode format.
`wchar_t* GetUnicodeSheetName(size_t sheetIndex)`	Get the worksheet name at the given index. Index starts from `0`. Returns `0` if name is in ANSI format.
`bool GetSheetName(size_t sheetIndex, char* name)`	Get the worksheet name at the given index. Index starts from `0`. Returns`false` if name is in Unicode format.
`bool GetSheetName(size_t sheetIndex, wchar_t* name)`	Get the worksheet name at the given index. Index starts from 0. Returns`false` if name is in ANSI format.
`bool RenameWorksheet(size_t sheetIndex, const char* to)`	Rename an Excel worksheet at the given index to the given ANSI name. Index starts from `0`. Returns `true` if successful, `false` if otherwise.
`bool RenameWorksheet(size_t sheetIndex, const wchar_t* to)`	Rename an Excel worksheet at the given index to the given Unicode name. Index starts from `0`. Returns `true` if successful, `false` if otherwise.
`bool RenameWorksheet(const char* from, const char* to)`	Rename an Excel worksheet that has given ANSI name to another ANSI name. Returns `true` if successful, `false` if otherwise.
`bool RenameWorksheet(const wchar_t* from, const wchar_t* to)`	Rename an Excel worksheet that has given Unicode name to another Unicode name. Returns `true` if successful, `false` if otherwise.

class BasicExcelWorksheet

`char* GetAnsiSheetName()`	Get the current worksheet name. Returns `0` if name is in Unicode format.
`wchar_t* GetUnicodeSheetName()`	Get the current worksheet name. Returns `0` if name is in ANSI format.
`bool GetSheetName(char* name)`	Get the current worksheet name. Returns `false` if name is in Unicode format.
`bool GetSheetName(wchar_t* name)`	Get the current worksheet name. Returns `false` if name is in ANSI format.
`bool Rename(const char* to)`	Rename current Excel worksheet to another ANSI name. Returns `true` if successful, `false` if otherwise.
`bool Rename(const wchar_t* to)`	Rename current Excel worksheet to another Unicode name. Returns `true` if successful, `false` if otherwise.
`void Print(ostream& os, char delimiter=',', char textQualifier='\0')`	Print entire worksheet to an output stream, separating each column with the defined delimiter and enclosing text using the defined `textQualifier`. Leave out the `textQualifier` argument if do not wish to have any text qualifiers.
`size_t GetTotalRows()`	Total number of rows in current Excel worksheet.
`size_t GetTotalCols()`	Total number of columns in current Excel worksheet.
`BasicExcelCell* Cell(size_t row, size_t col)`	Return a pointer to an Excel cell. row and col starts from `0`. Returns `0` if row exceeds 65535 or col exceeds 255.
`bool EraseCell(size_t row, size_t col)`	Erase content of a cell. row and col starts from `0`. Returns `true` if successful,`false` if row or col exceeds range.

class BasicExcelCell

`int Type() const`	Get type of value stored in current Excel cell. Returns one of the following enums: `UNDEFINED`, `INT`, `DOUBLE`, `STRING`, `WSTRING`.
`bool Get(int& val) const`	Get an `integer` value. Returns `false` if cell does not contain an`integer`.
`bool Get(double& val) const`	Get a `double` value. Returns `false` if cell does not contain a`double`.
`bool Get(char* str) const`	Get an ANSI string. Returns `false` if cell does not contain an ANSI`string`.
`bool Get(wchar_t* str) const`	Get an Unicode string. Returns `false` if cell does not contain an Unicode `string`.
`size_t GetStringLength()`	Return length of ANSI or Unicode string (excluding `null`character).
`int GetInteger() const`	Get an `integer` value. Returns `0` if cell does not contain an`integer`.
`double GetDouble() const`	Get a `double` value. Returns `0.<code>0` if cell does not contain a`double`.
`const char* GetString() const`	Get an ANSI `string`. Returns `0` if cell does not contain an ANSI`string`.
`const wchar_t* GetWString() const`	Get an Unicode `string`. Returns `0` if cell does not contain an Unicode `string`.
`ostream& operator<<(ostream& os, const BasicExcelCell& cell)`	Print cell to output `stream`. Print a null character if cell is undefined.
`void Set(int val)`	Set content of current Excel cell to an `integer`.
`void Set(double val)`	Set content of current Excel cell to a `double`.
`void Set(const char* str)`	Set content of current Excel cell to an ANSI `string`.
`void Set(const wchar_t* str)`	Set content of current Excel cell to an Unicode `strin`g.
`void SetInteger(int val)`	Set content of current Excel cell to an `integer`.
`void SetDouble(double val)`	Set content of current Excel cell to a `double`.
`void SetString(const char* str)`	Set content of current Excel cell to an ANSI `string`.
`void SetWString(const wchar_t* str)`	Set content of current Excel cell to an Unicode `string`.
`void EraseContents()`	Erase the content of current Excel cell. Set type to `UNDEFINED`.

例子程序

#include "BasicExcel.hpp"
using namespace YExcel;int main(int argc, char* argv[])
{BasicExcel e;// Load a workbook with one sheet, display its contents and// save into another file.e.Load("example1.xls");BasicExcelWorksheet* sheet1 = e.GetWorksheet("Sheet1");if (sheet1){size_t maxRows = sheet1->GetTotalRows();size_t maxCols = sheet1->GetTotalCols();cout << "Dimension of " << sheet1->GetAnsiSheetName() <<" (" << maxRows << ", " << maxCols << ")" << endl;printf(" ");for (size_t c=0; c<maxCols; ++c) printf("%10d", c+1);cout << endl;for (size_t r=0; r<maxRows; ++r){printf("%10d", r+1);for (size_t c=0; c<maxCols; ++c){BasicExcelCell* cell = sheet1->Cell(r,c);switch (cell->Type()){case BasicExcelCell::UNDEFINED:printf(" ");break;case BasicExcelCell::INT:printf("%10d", cell->GetInteger());break;case BasicExcelCell::DOUBLE:printf("%10.6lf", cell->GetDouble());break;case BasicExcelCell::STRING:printf("%10s", cell->GetString());break;case BasicExcelCell::WSTRING:wprintf(L"%10s", cell->GetWString());break;}}cout << endl;}}cout << endl;e.SaveAs("example2.xls");// Create a new workbook with 2 worksheets and write some contents.e.New(2);e.RenameWorksheet("Sheet1", "Test1");BasicExcelWorksheet* sheet = e.GetWorksheet("Test1");BasicExcelCell* cell;if (sheet){for (size_t c=0; c<4; ++c){cell = sheet->Cell(0,c);cell->Set((int)c);}cell = sheet->Cell(1,3);cell->SetDouble(3.141592654);sheet->Cell(1,4)->SetString("Test str1");sheet->Cell(2,0)->SetString("Test str2");sheet->Cell(2,5)->SetString("Test str1");sheet->Cell(4,0)->SetDouble(1.1);sheet->Cell(4,1)->SetDouble(2.2);sheet->Cell(4,2)->SetDouble(3.3);sheet->Cell(4,3)->SetDouble(4.4);sheet->Cell(4,4)->SetDouble(5.5);sheet->Cell(4,4)->EraseContents();}sheet = e.AddWorksheet("Test2", 1);sheet = e.GetWorksheet(1);if (sheet){sheet->Cell(1,1)->SetDouble(1.1);sheet->Cell(2,2)->SetDouble(2.2);sheet->Cell(3,3)->SetDouble(3.3);sheet->Cell(4,4)->SetDouble(4.4);sheet->Cell(70,2)->SetDouble(5.5);}e.SaveAs("example3.xls");// Load the newly created sheet and display its contentse.Load("example3.xls");size_t maxSheets = e.GetTotalWorkSheets();cout << "Total number of worksheets: " << e.GetTotalWorkSheets() << endl;for (size_t i=0; i<maxSheets; ++i){BasicExcelWorksheet* sheet = e.GetWorksheet(i);if (sheet){size_t maxRows = sheet->GetTotalRows();size_t maxCols = sheet->GetTotalCols();cout << "Dimension of " << sheet->GetAnsiSheetName() <<" (" << maxRows << ", " << maxCols << ")" << endl;if (maxRows>0){printf(" ");for (size_t c=0; c<maxCols; ++c) printf("%10d", c+1);cout << endl;}for (size_t r=0; r<maxRows; ++r){printf("%10d", r+1);for (size_t c=0; c<maxCols; ++c){cout << setw(10) << *(sheet->Cell(r,c));// Another way of printing a cell content.}cout << endl;}if (i==0){ofstream f("example4.csv");sheet->Print(f, ',', '\"'); // Save the first sheet as a CSV file.f.close();}}cout << endl;}return 0;
}

再看一下我使用在项目的中例子程序哈，用着还不错的：

void CQueryTdZsDlg::ExportData()
{SetCtrlEnableWindow();m_dataProgress.SetPos(0);m_dataProgress.SetStep(1);m_dataProgress.SetRange(0,this->m_ListData.GetItemCount());m_DataNum.SetWindowText(_T(""));int nCurRow = 0;int nCurCol = 0;BasicExcel objExcel;    objExcel.New(1);    BasicExcelWorksheet* pSheet = objExcel.GetWorksheet(0);XLSFormatManager ExlFormat(objExcel);CellFormat celFormat(ExlFormat);ExcelFont  celFont;celFont._weight = FW_BOLD; celFont._height = FW_BOLD/2;celFont._name   = _T(L"宋体");celFormat.set_font(celFont);celFormat.set_alignment(EXCEL_HALIGN_CENTRED);BasicExcelCell* pCell = pSheet->Cell(0,0);pCell->SetWString("土地登记发证统计台账");pCell->SetFormat(celFormat);pCell->SetMergedColumns(this->m_ListData.GetHeaderCtrl()->GetItemCount());pCell->SetMergedRows(2);nCurRow = 2;celFont._weight = FW_BOLD;celFont._height = FW_BOLD/3;celFont._name    = _T(L"宋体");celFormat.set_font(celFont);celFormat.set_alignment(EXCEL_HALIGN_CENTRED);   for(int nCol  = 0 ; nCol != this->m_ListData.GetHeaderCtrl()->GetItemCount() ; ++nCol){HDITEM hdi;TCHAR lpBuffer[256]={0};hdi.mask       = HDI_TEXT;hdi.pszText     = lpBuffer;hdi.cchTextMax  = 255;this->m_ListData.GetHeaderCtrl()->GetItem(nCol,&hdi);switch(nCol){case 0:pSheet->SetColWidth(nCol,7000/3);break;case 1:pSheet->SetColWidth(nCol,25000/4);break;case 2:pSheet->SetColWidth(nCol,20000/4);break;case 3:pSheet->SetColWidth(nCol,47000/4);break;case 4:pSheet->SetColWidth(nCol,32000/5);break;case 5:pSheet->SetColWidth(nCol,39000/4);break;case 6:case 7:case 8:case 9:          case 10:pSheet->SetColWidth(nCol,16000/4);break;default:pSheet->SetColWidth(nCol,16000/4);break;}pCell = pSheet->Cell(nCurRow,nCol);pCell->SetWString(hdi.pszText);    pCell->SetFormat(celFormat);}++nCurRow;celFont._weight = FW_NORMAL;celFont._name  = _T(L"宋体"); celFormat.set_font(celFont);celFormat.set_alignment(EXCEL_HALIGN_CENTRED);celFormat.set_format_string(XLS_FORMAT_TEXT);for(int nRow = 0 ; nRow != this->m_ListData.GetItemCount() ; ++nRow){for(int nCol = 0 ; nCol != this->m_ListData.GetHeaderCtrl()->GetItemCount() ; ++nCol){         pCell = pSheet->Cell(nCurRow+nRow,nCol);pCell->SetWString(this->m_ListData.GetItemText(nRow,nCol));          pCell->SetFormat(celFormat);}m_dataProgress.SetPos(nRow+1);CString sTemp(_T(""));sTemp.Format(_T("%d/%d 正在导出"),nRow+1,this->m_ListData.GetItemCount());m_DataNum.SetWindowText(sTemp);}CString sFileName(_T("土地登记发证统计台账.xls"));size_t length = MultiByteToWideChar(CP_ACP,MB_COMPOSITE,sFileName,-1,NULL,0);if(length > 0){wchar_t* pUnicode = new wchar_t[length+1];memset(pUnicode,0,(length+1)*sizeof(wchar_t)); MultiByteToWideChar(CP_ACP,MB_COMPOSITE,sFileName,-1,(LPWSTR)pUnicode,length);objExcel.SaveAs(pUnicode);delete[] pUnicode;}//ShellExecute(0,"open",sFileName, NULL, NULL, SW_NORMAL);SetCtrlEnableWindow();CString sTemp(_T(""));sTemp.Format(_T("%d/%d 导出完成！"),this->m_ListData.GetItemCount(),this->m_ListData.GetItemCount());m_DataNum.SetWindowText(sTemp);
}

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使用BasicExcel操作Excel

class BasicExcel

class BasicExcelWorksheet

class BasicExcelCell

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