dbgrid里的内容怎么导入到excelfunction ProgressBarform(max:integer):tProgressBar; var ProgressBar1:tProgressBar; form:tform; begin application.CreateForm(tform,form); form.Position:=poScreenCenter; form.BorderStyle:=bsnone; form.Height:=30; form.Width:=260; ProgressBar1:=tProgressBar.Create(form); ProgressBar1.Smooth:=true; ProgressBar1.Max:=max; ProgressBar1.Parent:=form; ProgressBar1.Height:=20; ProgressBar1.Width:=250; ProgressBar1.Left:=5; ProgressBar1.Top:=5; ProgressBar1.Step:=1; form.Show; result:=ProgressBar1; end; function ExportToExcel(dbgrid:tdbgrid):boolean; const xlNormal=-4143; var i,j,k:integer; str,filename:string; excel:OleVariant; SavePlace: TBook; savedialog:tsavedialog; ProgressBar1:TProgressBar; begin result:=false; filename:=''; if dbgrid.DataSource.DataSet.RecordCount>65536 then begin if application.messagebox('需要导出的数据过大,Excel最大只能容纳65536行,是否还要继续?','询问',mb_yesno+mb_iconquestion)=idno then exit; end; screen.Cursor:=crHourGlass; try excel:=CreateOleObject('Excel.Application'); excel.workbooks.add; except screen.cursor:=crDefault; showmessage('无法调用Excel!'); exit; end; savedialog:=tsavedialog.Create(nil); savedialog.Filter:='Excel文件(*.xls)|*.xls'; if savedialog.Execute then begin if FileExists(savedialog.FileName) then try if application.messagebox('该文件已经存在,要覆盖吗?','询问',mb_yesno+mb_iconquestion)=idyes then DeleteFile(PChar(savedialog.FileName)) else begin Excel.Quit; savedialog.free; screen.cursor:=crDefault; Exit; end; except Excel.Quit; savedialog.free; screen.cursor:=crDefault; Exit; end; filename:=savedialog.FileName; end; savedialog.free; if filename='' then begin result:=true; Excel.Quit; screen.cursor:=crDefault; exit; end; k:=0; for i:=0 to dbgrid.Columns.count-1 do begin if dbgrid.Columns.Items[i].Visible then begin //Excel.Columns[k+1].ColumnWidth:=dbgrid.Columns.Items[i].Title.Column.Width; excel.cells[1,k+1]:=dbgrid.Columns.Items[i].Title.Caption; inc(k); end; end; dbgrid.DataSource.DataSet.DisableControls; saveplace:=dbgrid.DataSource.DataSet.GetBook; dbgrid.DataSource.dataset.First; i:=2; if dbgrid.DataSource.DataSet.recordcount>65536 then ProgressBar1:=ProgressBarform(65536) else ProgressBar1:=ProgressBarform(dbgrid.DataSource.DataSet.recordcount); while not dbgrid.DataSource.dataset.Eof do begin k:=0; for j:=0 to dbgrid.Columns.count-1 do begin if dbgrid.Columns.Items[j].Visible then begin excel.cells[i,k+1].NumberFormat:='@'; if not dbgrid.DataSource.dataset.fieldbyname(dbgrid.Columns.Items[j].FieldName).isnull then begin str:=dbgrid.DataSource.dataset.fieldbyname(dbgrid.Columns.Items[j].FieldName).value; Excel.Cells[i, k + 1] := Str; end; inc(k); end else continue; end; if i=65536 then break; inc(i); ProgressBar1.StepBy(1); dbgrid.DataSource.dataset.next; end; progressbar1.Parent.Free; dbgrid.DataSource.dataset.GotoBook(SavePlace); dbgrid.DataSource.dataset.EnableControls; try if copy(FileName,length(FileName)-3,4)<>'.xls' then FileName:=FileName+'.xls'; Excel.ActiveWorkbook.SaveAs(FileName, xlNormal, '', '', False, False); except Excel.Quit; screen.cursor:=crDefault; exit; end; Excel.Visible := true; screen.cursor:=crDefault; Result := true; end;记得带上这些单元 uses Windows,Graphics,DB,Grids, DBGrids,StdCtrls,forms,Sysutils,classes, Controls,comobj,comctrls,Dialogs;
5) 添加新工作表: var Temp_Worksheet: _WorkSheet; begin Temp_Worksheet:=ExcelWorkbook1. WorkSheets.Add(EmptyParam,EmptyParam,EmptyParam,EmptyParam,0) as _WorkSheet; ExcelWorkSheet1.ConnectTo(Temp_WorkSheet); End;
var
ProgressBar1:tProgressBar;
form:tform;
begin
application.CreateForm(tform,form);
form.Position:=poScreenCenter;
form.BorderStyle:=bsnone;
form.Height:=30;
form.Width:=260;
ProgressBar1:=tProgressBar.Create(form);
ProgressBar1.Smooth:=true;
ProgressBar1.Max:=max;
ProgressBar1.Parent:=form;
ProgressBar1.Height:=20;
ProgressBar1.Width:=250;
ProgressBar1.Left:=5;
ProgressBar1.Top:=5;
ProgressBar1.Step:=1;
form.Show;
result:=ProgressBar1;
end;
function ExportToExcel(dbgrid:tdbgrid):boolean;
const
xlNormal=-4143;
var
i,j,k:integer;
str,filename:string;
excel:OleVariant;
SavePlace: TBook;
savedialog:tsavedialog;
ProgressBar1:TProgressBar;
begin
result:=false;
filename:='';
if dbgrid.DataSource.DataSet.RecordCount>65536 then
begin
if application.messagebox('需要导出的数据过大,Excel最大只能容纳65536行,是否还要继续?','询问',mb_yesno+mb_iconquestion)=idno then
exit;
end;
screen.Cursor:=crHourGlass;
try
excel:=CreateOleObject('Excel.Application');
excel.workbooks.add;
except
screen.cursor:=crDefault;
showmessage('无法调用Excel!');
exit;
end;
savedialog:=tsavedialog.Create(nil);
savedialog.Filter:='Excel文件(*.xls)|*.xls';
if savedialog.Execute then
begin
if FileExists(savedialog.FileName) then
try
if application.messagebox('该文件已经存在,要覆盖吗?','询问',mb_yesno+mb_iconquestion)=idyes then
DeleteFile(PChar(savedialog.FileName))
else
begin
Excel.Quit;
savedialog.free;
screen.cursor:=crDefault;
Exit;
end;
except
Excel.Quit;
savedialog.free;
screen.cursor:=crDefault;
Exit;
end;
filename:=savedialog.FileName;
end;
savedialog.free;
if filename='' then
begin
result:=true;
Excel.Quit;
screen.cursor:=crDefault;
exit;
end;
k:=0;
for i:=0 to dbgrid.Columns.count-1 do
begin
if dbgrid.Columns.Items[i].Visible then
begin
//Excel.Columns[k+1].ColumnWidth:=dbgrid.Columns.Items[i].Title.Column.Width;
excel.cells[1,k+1]:=dbgrid.Columns.Items[i].Title.Caption;
inc(k);
end;
end; dbgrid.DataSource.DataSet.DisableControls;
saveplace:=dbgrid.DataSource.DataSet.GetBook;
dbgrid.DataSource.dataset.First;
i:=2;
if dbgrid.DataSource.DataSet.recordcount>65536 then
ProgressBar1:=ProgressBarform(65536)
else
ProgressBar1:=ProgressBarform(dbgrid.DataSource.DataSet.recordcount);
while not dbgrid.DataSource.dataset.Eof do
begin
k:=0;
for j:=0 to dbgrid.Columns.count-1 do
begin
if dbgrid.Columns.Items[j].Visible then
begin
excel.cells[i,k+1].NumberFormat:='@';
if not dbgrid.DataSource.dataset.fieldbyname(dbgrid.Columns.Items[j].FieldName).isnull then
begin
str:=dbgrid.DataSource.dataset.fieldbyname(dbgrid.Columns.Items[j].FieldName).value;
Excel.Cells[i, k + 1] := Str;
end;
inc(k);
end
else
continue;
end;
if i=65536 then
break;
inc(i);
ProgressBar1.StepBy(1);
dbgrid.DataSource.dataset.next;
end;
progressbar1.Parent.Free; dbgrid.DataSource.dataset.GotoBook(SavePlace);
dbgrid.DataSource.dataset.EnableControls; try
if copy(FileName,length(FileName)-3,4)<>'.xls' then
FileName:=FileName+'.xls';
Excel.ActiveWorkbook.SaveAs(FileName, xlNormal, '', '', False, False);
except
Excel.Quit;
screen.cursor:=crDefault;
exit;
end;
Excel.Visible := true;
screen.cursor:=crDefault;
Result := true;
end;记得带上这些单元
uses
Windows,Graphics,DB,Grids, DBGrids,StdCtrls,forms,Sysutils,classes,
Controls,comobj,comctrls,Dialogs;
var ExcelApp: Variant;
ExcelApp := CreateOleObject( 'Excel.Application' );1) 显示当前窗口:
ExcelApp.Visible := True;2) 更改 Excel 标题栏:
ExcelApp.Caption := '应用程序调用 Microsoft Excel';3) 添加新工作簿:
ExcelApp.WorkBooks.Add;4) 打开已存在的工作簿:
ExcelApp.WorkBooks.Open( 'C:\Excel\Demo.xls' );5) 设置第2个工作表为活动工作表:
ExcelApp.WorkSheets[2].Activate;
或
ExcelApp.WorksSheets[ 'Sheet2' ].Activate;6) 给单元格赋值:
ExcelApp.Cells[1,4].Value := '第一行第四列';7) 设置指定列的宽度(单位:字符个数),以第一列为例:
ExcelApp.ActiveSheet.Columns[1].ColumnsWidth := 5;8) 设置指定行的高度(单位:磅)(1磅=0.035厘米),以第二行为例:
ExcelApp.ActiveSheet.Rows[2].RowHeight := 1/0.035; // 1厘米9) 在第8行之前插入分页符:
ExcelApp.WorkSheets[1].Rows.PageBreak := 1;10) 在第8列之前删除分页符:
ExcelApp.ActiveSheet.Columns[4].PageBreak := 0;11) 指定边框线宽度:
ExcelApp.ActiveSheet.Range[ 'B3:D4' ].Borders[2].Weight := 3;
1-左 2-右 3-顶 4-底 5-斜( \ ) 6-斜( / )12) 清除第一行第四列单元格公式:
ExcelApp.ActiveSheet.Cells[1,4].ClearContents;13) 设置第一行字体属性:
ExcelApp.ActiveSheet.Rows[1].Font.Name := '隶书';
ExcelApp.ActiveSheet.Rows[1].Font.Color := clBlue;
ExcelApp.ActiveSheet.Rows[1].Font.Bold := True;
ExcelApp.ActiveSheet.Rows[1].Font.UnderLine := True;14) 进行页面设置:a.页眉:
ExcelApp.ActiveSheet.PageSetup.CenterHeader := '报表演示';
b.页脚:
ExcelApp.ActiveSheet.PageSetup.CenterFooter := '第&P页';
c.页眉到顶端边距2cm:
ExcelApp.ActiveSheet.PageSetup.HeaderMargin := 2/0.035;
d.页脚到底端边距3cm:
ExcelApp.ActiveSheet.PageSetup.HeaderMargin := 3/0.035;
e.顶边距2cm:
ExcelApp.ActiveSheet.PageSetup.TopMargin := 2/0.035;
f.底边距2cm:
ExcelApp.ActiveSheet.PageSetup.BottomMargin := 2/0.035;
g.左边距2cm:
ExcelApp.ActiveSheet.PageSetup.LeftMargin := 2/0.035;
h.右边距2cm:
ExcelApp.ActiveSheet.PageSetup.RightMargin := 2/0.035;
i.页面水平居中:
ExcelApp.ActiveSheet.PageSetup.CenterHorizontally := 2/0.035;
j.页面垂直居中:
ExcelApp.ActiveSheet.PageSetup.CenterVertically := 2/0.035;
k.打印单元格网线:
ExcelApp.ActiveSheet.PageSetup.PrintGridLines := True;15) 拷贝操作:a.拷贝整个工作表:
ExcelApp.ActiveSheet.Used.Range.Copy;
b.拷贝指定区域:
ExcelApp.ActiveSheet.Range[ 'A1:E2' ].Copy;
c.从A1位置开始粘贴:
ExcelApp.ActiveSheet.Range.[ 'A1' ].PasteSpecial;
d.从文件尾部开始粘贴:
ExcelApp.ActiveSheet.Range.PasteSpecial;16) 插入一行或一列:
a. ExcelApp.ActiveSheet.Rows[2].Insert;
b. ExcelApp.ActiveSheet.Columns[1].Insert;17) 删除一行或一列:
a. ExcelApp.ActiveSheet.Rows[2].Delete;
b. ExcelApp.ActiveSheet.Columns[1].Delete;18) 打印预览工作表:
ExcelApp.ActiveSheet.PrintPreview;19) 打印输出工作表:
ExcelApp.ActiveSheet.PrintOut;20) 工作表保存:
if not ExcelApp.ActiveWorkBook.Saved then
ExcelApp.ActiveSheet.PrintPreview;21) 工作表另存为:
ExcelApp.SaveAs( 'C:\Excel\Demo1.xls' );22) 放弃存盘:
ExcelApp.ActiveWorkBook.Saved := True;23) 关闭工作簿:
ExcelApp.WorkBooks.Close;24) 退出 Excel:
ExcelApp.Quit;(二) 使用Delphi 控件方法
在Form中分别放入ExcelApplication, ExcelWorkbook和ExcelWorksheet。 1) 打开Excel
ExcelApplication1.Connect;2) 显示当前窗口:
ExcelApplication1.Visible[0]:=True;3) 更改 Excel 标题栏:
ExcelApplication1.Caption := '应用程序调用 Microsoft Excel';4) 添加新工作簿:
ExcelWorkbook1.ConnectTo(ExcelApplication1.Workbooks.Add(EmptyParam,0));
5) 添加新工作表:
var Temp_Worksheet: _WorkSheet;
begin
Temp_Worksheet:=ExcelWorkbook1.
WorkSheets.Add(EmptyParam,EmptyParam,EmptyParam,EmptyParam,0) as _WorkSheet;
ExcelWorkSheet1.ConnectTo(Temp_WorkSheet);
End;
6) 打开已存在的工作簿:
ExcelApplication1.Workbooks.Open (c:\a.xls
EmptyParam,EmptyParam,EmptyParam,EmptyParam,
EmptyParam,EmptyParam,EmptyParam,EmptyParam,
EmptyParam,EmptyParam,EmptyParam,EmptyParam,0)7) 设置第2个工作表为活动工作表:
ExcelApplication1.WorkSheets[2].Activate; 或
ExcelApplication1.WorksSheets[ 'Sheet2' ].Activate;8) 给单元格赋值:
ExcelApplication1.Cells[1,4].Value := '第一行第四列';9) 设置指定列的宽度(单位:字符个数),以第一列为例:
ExcelApplication1.ActiveSheet.Columns[1].ColumnsWidth := 5;10) 设置指定行的高度(单位:磅)(1磅=0.035厘米),以第二行为例:
ExcelApplication1.ActiveSheet.Rows[2].RowHeight := 1/0.035; // 1厘米11) 在第8行之前插入分页符:
ExcelApplication1.WorkSheets[1].Rows.PageBreak := 1;12) 在第8列之前删除分页符:
ExcelApplication1.ActiveSheet.Columns[4].PageBreak := 0;13) 指定边框线宽度:
ExcelApplication1.ActiveSheet.Range[ 'B3:D4' ].Borders[2].Weight := 3;
1-左 2-右 3-顶 4-底 5-斜( \ ) 6-斜( / )14) 清除第一行第四列单元格公式:
ExcelApplication1.ActiveSheet.Cells[1,4].ClearContents;15) 设置第一行字体属性:
ExcelApplication1.ActiveSheet.Rows[1].Font.Name := '隶书';
ExcelApplication1.ActiveSheet.Rows[1].Font.Color := clBlue;
ExcelApplication1.ActiveSheet.Rows[1].Font.Bold := True;
ExcelApplication1.ActiveSheet.Rows[1].Font.UnderLine := True;16) 进行页面设置:
a.页眉:
ExcelApplication1.ActiveSheet.PageSetup.CenterHeader := '报表演示';
b.页脚:
ExcelApplication1.ActiveSheet.PageSetup.CenterFooter := '第&P页';
c.页眉到顶端边距2cm:
ExcelApplication1.ActiveSheet.PageSetup.HeaderMargin := 2/0.035;
d.页脚到底端边距3cm:
ExcelApplication1.ActiveSheet.PageSetup.HeaderMargin := 3/0.035;
e.顶边距2cm:
ExcelApplication1.ActiveSheet.PageSetup.TopMargin := 2/0.035;
f.底边距2cm:
ExcelApplication1.ActiveSheet.PageSetup.BottomMargin := 2/0.035;
g.左边距2cm:
ExcelApplication1.ActiveSheet.PageSetup.LeftMargin := 2/0.035;
h.右边距2cm:
ExcelApplication1.ActiveSheet.PageSetup.RightMargin := 2/0.035;
i.页面水平居中:
ExcelApplication1.ActiveSheet.PageSetup.CenterHorizontally := 2/0.035;
j.页面垂直居中:
ExcelApplication1.ActiveSheet.PageSetup.CenterVertically := 2/0.035;
k.打印单元格网线:
ExcelApplication1.ActiveSheet.PageSetup.PrintGridLines := True;17) 拷贝操作:a.拷贝整个工作表:
ExcelApplication1.ActiveSheet.Used.Range.Copy;b.拷贝指定区域:
ExcelApplication1.ActiveSheet.Range[ 'A1:E2' ].Copy;c.从A1位置开始粘贴:
ExcelApplication1.ActiveSheet.Range.[ 'A1' ].PasteSpecial;d.从文件尾部开始粘贴:
ExcelApplication1.ActiveSheet.Range.PasteSpecial;18) 插入一行或一列:
a. ExcelApplication1.ActiveSheet.Rows[2].Insert;
b. ExcelApplication1.ActiveSheet.Columns[1].Insert;19) 删除一行或一列:
a. ExcelApplication1.ActiveSheet.Rows[2].Delete;
b. ExcelApplication1.ActiveSheet.Columns[1].Delete;20) 打印预览工作表:
ExcelApplication1.ActiveSheet.PrintPreview;21) 打印输出工作表:
ExcelApplication1.ActiveSheet.PrintOut;22) 工作表保存:
if not ExcelApplication1.ActiveWorkBook.Saved then
ExcelApplication1.ActiveSheet.PrintPreview;23) 工作表另存为:
ExcelApplication1.SaveAs( 'C:\Excel\Demo1.xls' );24) 放弃存盘:
ExcelApplication1.ActiveWorkBook.Saved := True;25) 关闭工作簿:
ExcelApplication1.WorkBooks.Close;26) 退出 Excel:
ExcelApplication1.Quit;
ExcelApplication1.Disconnect;(三) 使用Delphi 控制Excle二维图
在Form中分别放入ExcelApplication, ExcelWorkbook和ExcelWorksheet
var asheet1,achart, range:variant;1)选择当第一个工作薄第一个工作表
asheet1:=ExcelApplication1.Workbooks[1].Worksheets[1];2)增加一个二维图
achart:=asheet1.chartobjects.add(100,100,200,200);3)选择二维图的形态
achart.chart.charttype:=4;4)给二维图赋值
series:=achart.chart.seriescollection;
range:=sheet1!r2c3:r3c9;
series.add(range,true);
5)加上二维图的标题
achart.Chart.HasTitle:=True;
achart.Chart.ChartTitle.Characters.Text:=’ Excle二维图’