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#include <vcl.h>
#pragma hdrstop
#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
: TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TForm1::DBGrid2Excel(TDBGrid *dbg, String strXlsFile)
{
if(!dbg->DataSource->DataSet->Active) // 数据集没有打开就返回
return;
Variant vExcelApp, vSheet;
try
{
vExcelApp = Variant::CreateObject("Excel.Application");
}
catch(...)
{
MessageBox(0, L"启动 Excel 出错, 可能是没有安装Excel.",
L"DBGrid2Excel", MB_OK);
return;
}
// 隐藏Excel界面
vExcelApp.OlePropertySet("Visible", false);
// 新建一个工作表
vExcelApp.OlePropertyGet("Workbooks").OleFunction("Add", 1); // 工作表
// 操作这个工作表
vSheet = vExcelApp.OlePropertyGet("ActiveWorkbook")
.OlePropertyGet("Sheets", 1);
设置Excel文档的字体
vSheet.OleProcedure("Select");
vSheet.OlePropertyGet("Cells").OleProcedure("Select");
vExcelApp.OlePropertyGet("Selection").OlePropertyGet("Font")
.OlePropertySet("Size", dbg->Font->Size);
vExcelApp.OlePropertyGet("Selection").OlePropertyGet("Font")
.OlePropertySet("Name", dbg->Font->Name.c_str());
vExcelApp.OlePropertyGet("Selection").OlePropertyGet("Font")
.OlePropertySet("FontStyle", "常规");
vSheet.OlePropertyGet("Cells", 1, 1).OleProcedure("Select");
// 表格的行数
int nRowCount(dbg->DataSource->DataSet->RecordCount + 1);
nRowCount = nRowCount < 2? 2: nRowCount;
// 表格的列数
int nColCount(dbg->Columns->Count);
nColCount = nColCount < 1? 1: nColCount;
//设置单元格的宽度
for(int i=0; i<nColCount; i++)
{
int nColWidth = dbg->Columns->Items[i]->Width;
vExcelApp.OlePropertyGet("Columns", i + 1)
.OlePropertySet("ColumnWidth", nColWidth / 7);
}
//----------------------------------------------------------------------------
// 抱歉,这个提示又来了,为了防止不负责任的转载者,只好在此留些信息。
// 作者:ccrun(老妖) info@ccrun.com
// 本文转自 C++Builder 研究 - http://www.ccrun.com/article/go.asp?i=635&d=g75jbn
//----------------------------------------------------------------------------
// 先将列名写入Excel表格
for(int j=0; j<dbg->Columns->Count; j++)
{
// 标题行的行高
vExcelApp.OlePropertyGet("Rows", 1).OlePropertySet("RowHeight", 20);
//
vSheet.OlePropertyGet("Cells", 1, j + 1)
.OlePropertySet("Value",
dbg->Columns->Items[j]->FieldName.c_str());
// 设置列名单元格的背景色
Variant vInter = vSheet.OlePropertyGet(
"Cells", 1, j + 1).OlePropertyGet("Interior");
vInter.OlePropertySet("ColorIndex", 15); // 灰色
vInter.OlePropertySet("Pattern", 1); // xlSolid
vInter.OlePropertySet("PatternColorIndex", -4105); // xlAutomatic
}
// 将DBGrid中的数据写入Excel表格
dbg->DataSource->DataSet->First();
for(int i=0; i<nRowCount; i++)
{
// 普通数据行的行高16
vExcelApp.OlePropertyGet("Rows", i + 2).OlePropertySet("RowHeight", 16);
// 63 63 72 75 6E 2E 63 6F 6D
for(int j=0; j<dbg->Columns->Count; j++)
{
vSheet.OlePropertyGet("Cells", i + 2, j + 1)
.OlePropertySet("Value",
dbg->DataSource->DataSet->FieldByName(
dbg->Columns->Items[j]->FieldName)->AsString.c_str());
}
dbg->DataSource->DataSet->Next();
}
// 保存Excel文档并退出
vExcelApp.OlePropertyGet("ActiveWorkbook")
.OleFunction("SaveAs", strXlsFile.c_str());
vExcelApp.OleFunction("Quit");
vSheet = Unassigned;
vExcelApp = Unassigned;
// 工作结束
MessageBox(0, L"DBGrid2Excel 转换结束!",
L"DBGrid2Excel", MB_OK);
}
void __fastcall TForm1::FormCreate(TObject *Sender)
{
ADOQuery2->Clone(ADOQuery1);
ADOQuery2->Open();
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button1Click(TObject *Sender)
{
DBGrid2Excel(DBGrid1,"C:\\Users\\Administrator\\Desktop\\123.xlsx");
}
//---------------------------------------------------------------------------
if(!dbg->DataSource->DataSet->Active) // 数据集没有打开就返回
return;
Variant vExcelApp, vSheet;
try
{
vExcelApp = Variant::CreateObject( (WideString)L"Excel.Application");
}
catch(...)
{
MessageBox(0, L"启动 Excel 出错, 可能是没有安装Excel.",
L"DBGrid2Excel", MB_OK);
return;
}
// 隐藏Excel界面
vExcelApp.OlePropertySet( (WideString)L"Visible", false);
// 新建一个工作表
vExcelApp.OlePropertyGet( (WideString)L"Workbooks").OleFunction( (WideString)L"Add", 1); // 工作表
// 操作这个工作表
vSheet = vExcelApp.OlePropertyGet( (WideString)L"ActiveWorkbook")
.OlePropertyGet( (WideString)L"Sheets", 1);
// 设置Excel文档的字体
vSheet.OleProcedure( (WideString)L"Select");
vSheet.OlePropertyGet( (WideString)L"Cells").OleProcedure( (WideString)L"Select");
vExcelApp.OlePropertyGet( (WideString)L"Selection").OlePropertyGet( (WideString)L"Font")
.OlePropertySet( (WideString)L"Size", dbg->Font->Size);
vExcelApp.OlePropertyGet( (WideString)L"Selection").OlePropertyGet( (WideString)L"Font")
.OlePropertySet( (WideString)L"Name", dbg->Font->Name.c_str());
vExcelApp.OlePropertyGet( (WideString)L"Selection").OlePropertyGet( (WideString)L"Font")
.OlePropertySet( (WideString)L"FontStyle", (WideString)L"常规");
vSheet.OlePropertyGet( (WideString)L"Cells", 1, 1).OleProcedure( (WideString)L"Select");
// 表格的行数
int nRowCount(dbg->DataSource->DataSet->RecordCount + 1);
nRowCount = nRowCount < 2? 2: nRowCount;
// 表格的列数
int nColCount(dbg->Columns->Count);
nColCount = nColCount < 1? 1: nColCount;
//设置单元格的宽度
for(int i=0; i<nColCount; i++)
{
int nColWidth = dbg->Columns->Items[i]->Width;
vExcelApp.OlePropertyGet( (WideString)L"Columns", i + 1)
.OlePropertySet( (WideString)L"ColumnWidth", nColWidth / 7);
}
// 先将列名写入Excel表格
for(int j=0; j<dbg->Columns->Count; j++)
{
// 标题行的行高
vExcelApp.OlePropertyGet( (WideString)L"Rows", 1).OlePropertySet( (WideString)L"RowHeight", 20);
//
vSheet.OlePropertyGet( (WideString)L"Cells", 1, j + 1)
.OlePropertySet( (WideString)L"Value",
dbg->Columns->Items[j]->FieldName.c_str());
// 设置列名单元格的背景色
Variant vInter = vSheet.OlePropertyGet(
"Cells", 1, j + 1).OlePropertyGet( (WideString)L"Interior");
vInter.OlePropertySet( (WideString)L"ColorIndex", 15); // 灰色
vInter.OlePropertySet( (WideString)L"Pattern", 1); // xlSolid
vInter.OlePropertySet( (WideString)L"PatternColorIndex", -4105); // xlAutomatic
}
// 将DBGrid中的数据写入Excel表格
dbg->DataSource->DataSet->First();
for(int i=0; i<nRowCount; i++)
{
// 普通数据行的行高16
vExcelApp.OlePropertyGet( (WideString)L"Rows", i + 2).OlePropertySet( (WideString)L"RowHeight", 16);
// 63 63 72 75 6E 2E 63 6F 6D
for(int j=0; j<dbg->Columns->Count; j++)
{
vSheet.OlePropertyGet( (WideString)L"Cells", i + 2, j + 1)
.OlePropertySet( (WideString)L"Value",
(WideString)dbg->DataSource->DataSet->FieldByName(
dbg->Columns->Items[j]->FieldName)->AsString);
}
dbg->DataSource->DataSet->Next();
}
// 保存Excel文档并退出
vExcelApp.OlePropertyGet( (WideString)L"ActiveWorkbook")
.OleFunction( (WideString)L"SaveAs", (WideString)strXlsFile);
vExcelApp.OleFunction( (WideString)L"Quit");
vSheet = Unassigned;
vExcelApp = Unassigned;
// 工作结束
MessageBox(0, L"DBGrid2Excel 转换结束!",
L"DBGrid2Excel", MB_OK);