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利用Delphi 5中调用Excel 97
广东北电
董柏林
---- 在Delphi 5中简单地封装了一组Microsoft Office自动化对象(Automation servers)。它使得我们很容易地把Office中的应用程序(Word, Excel, PowerPoint, Outlook and Access等)当作一个com应用服务器进行控制。在Delphi 5中已经带了Word与PowerPoint的例子,因为Excel的调用与这两个应用服务器的调用略有不同,所以本人根据这两个例子写了个Excel 97的简单例子以供参考。 ---- 步聚 创建一个普通Application。 在Form中分别放入ExcelApplication, ExcelWorkbook和ExcelWorksheet。 连接Excel 97,具体方法如下:
打开Excel97。Try
ExcelApplication1.Connect;
ExceptEnd;
ExcelApplication1.Visible[0]:=True;增加一个Workbook。ExcelWorkbook1.ConnectTo(ExcelApplication1.
Workbooks.Add(EmptyParam,0));添加一个Worksheet。
var
Temp_Worksheet: _WorkSheet;
begin
Try
Temp_Worksheet:=ExcelWorkbook1.
WorkSheets.Add(EmptyParam,EmptyParam,EmptyParam,EmptyParam,0) as _WorkSheet;//(注意)
ExcelWorkSheet1.ConnectTo(Temp_WorkSheet);
Except
ShowMessage('Failure');
End;
end;
关闭Excel.Try
ExcelApplication1.Quit;
ExcelWorksheet1.Disconnect;
ExcelWorkbook1.Disconnect;
ExcelApplication1.Disconnect;
ExceptEnd;---- 4. 对Excel的一些操作:
选择当前Workbook的某一Worksheet.procedure TForm1.ComboBox1DropDown(Sender: TObject);
var
i: Integer;
begin
ComboBox1.Clear;
For i:=1 to ExcelWorkbook1.Worksheets.Count do
ComboBox1.Items.Add((ExcelWorkbook1.Worksheets.Item[i] as _WorkSheet).Name);
end;procedure TForm1.ComboBox1Change(Sender: TObject);
begin
ExcelWorkSheet1.ConnectTo(ExcelWorkbook1.Worksheets.Item[ComboBox1.ItemIndex+1] as _WorkSheet);
ExcelWorkSheet1.Activate;
end;选择某一Workbook:
procedure TForm1.ComboBox2DropDown(Sender: TObject);
var
i: Integer;
begin
ComboBox2.Clear;
if ExcelApplication1.Workbooks.Count >0 then
For i:=1 to ExcelApplication1.Workbooks.Count do
Combobox2.Items.Add(ExcelApplication1.Workbooks.Item[i].Name);
end;procedure TForm1.ComboBox2Change(Sender: TObject);
begin
ExcelWorkSheet1.Disconnect;
ExcelWorkBook1.ConnectTo(ExcelApplication1.Workbooks.Item[Combobox2.ItemIndex+1]);
ExcelWorkBook1.Activate;
ExcelWorksheet1.ConnectTo(ExcelWorkBook1.
ActiveSheet as _WorkSheet);
ExcelWorkSheet1.Activate;
end;对某一单元格进行赋值及取值。
procedure TForm1.Button5Click(Sender: TObject);
begin
ExcelWorksheet1.Cells.Item[SpinEdit2.Value,
SpinEdit1.Value]:=Edit1.Text;
end;procedure TForm1.Button6Click(Sender: TObject);
begin
Edit1.Text:=ExcelWorksheet1.Cells.Item[SpinEdit2.Value,SpinEdit1.Value];
end;选择某一区域ExcelWorkSheet1.Range['A1','C1'].Select;打开一个Excel文件。if OpenDialog1.Execute then
Begin
Try
ExcelWorkBook1.ConnectTo(ExcelApplication1.Workbooks.Open (OpenDialog1.FileName,
EmptyParam,EmptyParam,EmptyParam,
EmptyParam,EmptyParam,
EmptyParam,EmptyParam,EmptyParam,
EmptyParam,EmptyParam,
EmptyParam,EmptyParam,0));
ExcelWorkSheet1.ConnectTo
(ExcelWorkBook1.Activesheet
as _Worksheet);
Except;
End;
End;
---- 说明
---- 本程序在Win98+Delphi 5+Excel 97下运行通过。本例子还可以作适当的扩充,如DDE、执行宏调用、保存文件、打印文件及对Excel的设置等,此设置方法请参阅Microsoft Excel Visual Basic参考中的Microsoft Excel对象。
unit UMain;interfaceuses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
Db, DBTables, StdCtrls, Grids, DBGrids,Excel97,Comctrls,OleCtnrs,ComObj,word97;type
TForm1 = class(TForm)
DBGrid1: TDBGrid;
Button1: TButton;
Button2: TButton;
DataSource1: TDataSource;
Table1: TTable;
SaveDialog1: TSaveDialog;
Button3: TButton;
Button4: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure FormClose(Sender: TObject; var Action: TCloseAction);
procedure Button3Click(Sender: TObject);
procedure Button4Click(Sender: TObject);
private
{ Private declarations }
public
XlsApp,XlsSheet,XlsWBk : Variant;
WordApp : Variant;
{ Public declarations }
end;var
Form1: TForm1;implementation{$R *.DFM}procedure TForm1.Button1Click(Sender: TObject);
var
I,J : integer;
begin
if VarIsEmpty(XlsApp) then
XlsApp := CreateOleObject('Excel.Application'); XLsApp.Workbooks.Add;
XlsSheet := XLsApp.Worksheets['Sheet1']; for I := 0 to Table1.Fields.Count - 1 do
begin
XlsSheet.Cells[3,I + 1] := dbgrid1.Columns[I].Title.Caption;
end; Table1.first;
for J := 0 to Table1.RecordCount - 1 do
begin
if DBGrid1.SelectedRows.CurrentRowSelected then
begin
for I := 0 to Table1.Fields.Count - 1 do
begin
XlsSheet.Cells[J + 4,I + 1] := Table1.Fields[I].AsString;
end;
end;
Table1.Next;
end; if savedialog1.Execute then
xlssheet.saveas(savedialog1.FileName); XlsApp.Visible := true;
end;procedure TForm1.Button2Click(Sender: TObject);
var
I,J : integer;
TxtFile : TextFile;
TmpString : String;
begin
try
if VarIsEmpty(XlsApp) then
XlsApp := CreateOleObject('Excel.Application');
XlsSheet := XlsApp.workbooks.open('c:\my documents\book3.xls'); AssignFile(TxtFile,'C:\My Documents\Test.txt');
Rewrite(TxtFile);
try
for I := 3 to 21 do
begin
TmpString := '';
for J := 1 to 5 do
begin
TmpString := TmpString + XlsSheet.ActiveSheet.Cells[I,J].Text + '|';
end;
Writeln(TxtFile,Tmpstring);
end;
finally
CloseFile(TxtFile);
end;
XlsApp.Visible := true;
except
XlsSheet.close;
XlsApp.Application.quit;
XlsApp := Unassigned;
XlsSheet := Unassigned;
end;
end;procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
begin
if not VarIsEmpty(XlsApp) then
begin
XlsApp.DisplayAlerts := True; // 7Discard unsaved files....
try
XlsApp.Application.Quit;
XlsApp := Unassigned;
XlsSheet := Unassigned;
except
end;
end; if not VarIsEmpty(WordApp) then
begin
WordApp.DisplayAlerts := True; // 7Discard unsaved files....
try
WordApp.Application.Quit;
WordApp := Unassigned;
except
end;
end;end;procedure TForm1.Button3Click(Sender: TObject);
var
WordDoc,WordParagraph,WordRange,WordTable:variant;
SltRec,SltCol,VisCol :integer;
ColIndex,RowIndex : Integer;
I,J : integer;
PrintAll : Boolean;
begin
try
if VarIsEmpty(WordApp) then
WordApp := CreateOleObject('word.Application'); WordDoc := WordApp.documents.add;
WordParagraph := WordApp.activedocument.paragraphs.add; WordRange := WordParagraph.range;
WordRange.Font.Size := 18;
WordRange.Font.Name := '宋体';
except
Application.MessageBox(pchar('Ms Word 无法启动,数据转入终止!'),pchar('注意'),mb_ok);
Abort;
end; if DBGrid1.SelectedRows.Count <> 0 then
SltRec:= DBGrid1.SelectedRows.Count
else
SltRec := Table1.RecordCount; SltCol := DBGrid1.Columns.Count; WordRange := WordApp.ActiveDocument.Content;
WordRange.Collapse(wdCollapseEnd);
WordTable:= WordApp.activedocument.tables.add(WordRange,SltRec + 1,SltCol); {打印表头}
for j := 0 to SltCol-1 do
begin
WordTable.columns[j].setwidth(100,1);
WordTable.Cell(1,J+1).Range.InsertAfter(dbgrid1.Columns[j].Title.Caption);
end; //打印数据
Table1.First;
RowIndex := 2;
ColIndex := 1;
while not Table1.Eof do
begin
if dbgrid1.SelectedRows.CurrentRowSelected then
begin
for j := 0 to dbgrid1.Columns.Count-1 do
begin
WordTable.Cell(RowIndex,ColIndex).Range.InsertAfter
(table1.Fieldbyname(dbgrid1.Columns[j].FieldName).asstring);
ColIndex := ColIndex + 1;
end;
RowIndex := RowIndex + 1;
ColIndex := 1;
end; Table1.Next;
end;{End of While...not...} if savedialog1.Execute then
WordDoc.saveas(savedialog1.FileName); WordApp.Visible := true;
end;procedure TForm1.Button4Click(Sender: TObject);
var
i : integer;
begin
for I := 0 to Table1.RecordCount - 1 do
begin
DBGrid1.SelectedRows.CurrentRowSelected := true;
Table1.Next;
end;
end;end.
例如﹕插入(一行﹐一列﹐一單元格等)﹐設定文本對齊方式﹐合并單元格﹐凍結﹐匯總等等
最好Excel能用的功能控件都能使用
我的小幫手說文檔找不到﹐要我找網絡管理員﹐我看找你算了
說說設定文本對齊方式吧﹐急用呢
------------------------------------------------
创建 Excel 对象,使用ComObj:
var ExcelID: Variant;ExcelID := CreateOleObject( 'Excel.Application' );1) 显示当前窗口:
ExcelID.Visible := True;2) 更改 Excel 标题栏:
ExcelID.Caption := '应用程序调用 Microsoft Excel';3) 添加新工作簿:
ExcelID.WorkBooks.Add;4) 打开已存在的工作簿:
ExcelID.WorkBooks.Open( 'C:\Excel\Demo.xls' );5) 设置第2个工作表为活动工作表:
ExcelID.WorkSheets[2].Activate;
或
ExcelID.WorksSheets[ 'Sheet2' ].Activate;6) 给单元格赋值:
ExcelID.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:
ExcelID.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:
ExcelID.ActiveSheet.Rows[2].RowHeight := 1/0.035; // 1厘米9) 在第8行之前插入分页符:
ExcelID.WorkSheets[1].Rows[8].PageBreak := 1;10) 在第8列之前删除分页符:
ExcelID.ActiveSheet.Columns[4].PageBreak := 0;11) 指定边框线宽度:
ExcelID.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:
ExcelID.ActiveSheet.Cells[1,4].ClearContents;13) 设置第一行字体属性:
ExcelID.ActiveSheet.Rows[1].Font.Name := '隶书';
ExcelID.ActiveSheet.Rows[1].Font.Color := clBlue;
ExcelID.ActiveSheet.Rows[1].Font.Bold := True;
ExcelID.ActiveSheet.Rows[1].Font.UnderLine := True;14) 进行页面设置:a.页眉:
ExcelID.ActiveSheet.PageSetup.CenterHeader := '报表演示';
b.页脚:
ExcelID.ActiveSheet.PageSetup.CenterFooter := '第&P页';
c.页眉到顶端边距2cm:
ExcelID.ActiveSheet.PageSetup.HeaderMargin := 2/0.035;
d.页脚到底端边距3cm:
ExcelID.ActiveSheet.PageSetup.HeaderMargin := 3/0.035;
e.顶边距2cm:
ExcelID.ActiveSheet.PageSetup.TopMargin := 2/0.035;
f.底边距2cm:
ExcelID.ActiveSheet.PageSetup.BottomMargin := 2/0.035;
g.左边距2cm:
ExcelID.ActiveSheet.PageSetup.LeftMargin := 2/0.035;
h.右边距2cm:
ExcelID.ActiveSheet.PageSetup.RightMargin := 2/0.035;
i.页面水平居中:
ExcelID.ActiveSheet.PageSetup.CenterHorizontally := 2/0.035;
j.页面垂直居中:
ExcelID.ActiveSheet.PageSetup.CenterVertically := 2/0.035;
k.打印单元格网线:
ExcelID.ActiveSheet.PageSetup.PrintGridLines := True;15) 拷贝操作:a.拷贝整个工作表:
ExcelID.ActiveSheet.Used.Range.Copy;
b.拷贝指定区域:
ExcelID.ActiveSheet.Range[ 'A1:E2' ].Copy;
c.从A1位置开始粘贴:
ExcelID.ActiveSheet.Range.[ 'A1' ].PasteSpecial;
d.从文件尾部开始粘贴:
ExcelID.ActiveSheet.Range.PasteSpecial;16) 插入一行或一列:a. ExcelID.ActiveSheet.Rows[2].Insert;
b. ExcelID.ActiveSheet.Columns[1].Insert;
17) 删除一行或一列:a. ExcelID.ActiveSheet.Rows[2].Delete;
b. ExcelID.ActiveSheet.Columns[1].Delete;18) 打印预览工作表:
ExcelID.ActiveSheet.PrintPreview;19) 打印输出工作表:
ExcelID.ActiveSheet.PrintOut;20) 工作表保存:
if not ExcelID.ActiveWorkBook.Saved then
ExcelID.ActiveSheet.PrintPreview;21) 工作表另存为:
ExcelID.SaveAs( 'C:\Excel\Demo1.xls' );22) 放弃存盘:
ExcelID.ActiveWorkBook.Saved := True;23) 关闭工作簿:
ExcelID.WorkBooks.Close;24) 退出 Excel:
ExcelID.Quit;
ExcelApplication1.ActiveSheet.Rows[1].Font.Color := clBlue;
好象不行耶﹖