请高手详细解释一下啊!不胜感激!
//自定义打印表格
procedure Toexcel(query1:Tquery;DBGrid1:TDBGrid);
var
ExcelApp: Variant;
i,j,k:integer;
FileName:string;
DlgSave:TsaveDialog;
Const
Con_stStr='''';
Begin
if query1.Active=false then
begin
Application.MessageBox('请先执行数据查询','查询',32);
exit;
end;
if application.messagebox('确认输出当前记录到EXCEL表?','操作确认',mb_okcancel)=idcancel then exit;
DlgSave:=TsaveDialog.Create(nil);
DlgSave.Filter:='*.xls|*.xls';
if DlgSave.Execute then
Begin
Filename:=DlgSave.FileName;
ExcelApp := CreateOleObject( 'Excel.Application' );
ExcelApp.Caption :='查询输出一览表';//'Microsoft Excel';
ExcelApp.WorkBooks.Add;
ExcelApp.WorkSheets[1].Activate;
K:=1;
For i:=0 To DBGrid1.Columns.Count-1 Do
Begin
if DBGrid1.Columns[i].Visible Then
Begin
ExcelApp.Cells[1,K]:=DBGrid1.Columns[i].Title.Caption;
k:=k+1;
End;{if}
End;{for}
ExcelApp.rows[1].font.name:='宋体';
ExcelApp.rows[1].font.size:=10;
ExcelApp.rows[1].Font.Color:=clBlack;
ExcelApp.rows[1].Font.Bold:=true;
j:=1;
For i:=0 To DBGrid1.Columns.Count-1 Do
Begin
If DBGrid1.Columns[i].Visible Then
Begin
query1.First;
for k:=1 To query1.RecordCount Do
Begin
if DBGrid1.Fields[i]=nil then
ExcelApp.Cells[K+1,j]:=''
else
ExcelApp.Cells[K+1,j]:=Con_stStr+DBGrid1.Fields[i].asString;
query1.Next;
End;{for}
j:=j+1;
End;{if}
End;{for}
For i:=1 To query1.recordcount+1 Do
ExcelApp.rows[i].Font.SIZE:=9;
ExcelApp.Columns.AutoFit;
ExcelApp.ActiveWorkBook.SaveAs(FileName);
ExcelApp.WorkBooks.Close;
Application.MessageBox('数据导出成功....','数据导出',0);
ExcelApp.Quit;
ExcelApp:=Unassigned;
DlgSave.Destroy;
End;//自定义打印表格
//自定义打印表格
procedure Toexcel(query1:Tquery;DBGrid1:TDBGrid);
var
ExcelApp: Variant;
i,j,k:integer;
FileName:string;
DlgSave:TsaveDialog;
Const
Con_stStr='''';
Begin
if query1.Active=false then
begin
Application.MessageBox('请先执行数据查询','查询',32);
exit;
end;
if application.messagebox('确认输出当前记录到EXCEL表?','操作确认',mb_okcancel)=idcancel then exit;
DlgSave:=TsaveDialog.Create(nil);
DlgSave.Filter:='*.xls|*.xls';
if DlgSave.Execute then
Begin
Filename:=DlgSave.FileName;
ExcelApp := CreateOleObject( 'Excel.Application' );
ExcelApp.Caption :='查询输出一览表';//'Microsoft Excel';
ExcelApp.WorkBooks.Add;
ExcelApp.WorkSheets[1].Activate;
K:=1;
For i:=0 To DBGrid1.Columns.Count-1 Do
Begin
if DBGrid1.Columns[i].Visible Then
Begin
ExcelApp.Cells[1,K]:=DBGrid1.Columns[i].Title.Caption;
k:=k+1;
End;{if}
End;{for}
ExcelApp.rows[1].font.name:='宋体';
ExcelApp.rows[1].font.size:=10;
ExcelApp.rows[1].Font.Color:=clBlack;
ExcelApp.rows[1].Font.Bold:=true;
j:=1;
For i:=0 To DBGrid1.Columns.Count-1 Do
Begin
If DBGrid1.Columns[i].Visible Then
Begin
query1.First;
for k:=1 To query1.RecordCount Do
Begin
if DBGrid1.Fields[i]=nil then
ExcelApp.Cells[K+1,j]:=''
else
ExcelApp.Cells[K+1,j]:=Con_stStr+DBGrid1.Fields[i].asString;
query1.Next;
End;{for}
j:=j+1;
End;{if}
End;{for}
For i:=1 To query1.recordcount+1 Do
ExcelApp.rows[i].Font.SIZE:=9;
ExcelApp.Columns.AutoFit;
ExcelApp.ActiveWorkBook.SaveAs(FileName);
ExcelApp.WorkBooks.Close;
Application.MessageBox('数据导出成功....','数据导出',0);
ExcelApp.Quit;
ExcelApp:=Unassigned;
DlgSave.Destroy;
End;//自定义打印表格
首先创建 Excel 对象,使用ComObj:
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[8].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;