作者在 2010-01-25 17:56:26 发布以下内容
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, ComObj, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.Button1Click(Sender: TObject);
var
eclApp, WorkBook: Variant;
//声明为OLE Automation 对象
xlsFileName: String;
begin
xlsFileName:='myexcel.xls';
try
//创建OLE对象Excel Application与 WorkBook
eclApp := CreateOleObject('Excel.Application');
WorkBook := CreateOleobject('Excel.Sheet');
except
ShowMessage('您的机器里未安装Microsoft Excel。');
Exit;
end;
try
ShowMessage('下面演示:新建一个XLS文件,并写入数据,最后关闭它。');
workBook := eclApp.workBooks.Add;
eclApp.Cells(1 , 1) := '字符型';
eclApp.Cells(2 , 1) := 'Excel文件';
eclApp.Cells(1 , 2) := 'Money型';
eclApp.Cells(2 , 2) := 10.01;
eclApp.Cells(1 , 3) := '日期型';
eclApp.Cells(2 , 3) := Date;
WorkBook.SaveAs(xlsFileName);
WorkBook.Close;
ShowMessage('下面演示:打开刚创建的XLS文件,并修改其中的内容,然后,由用户决定是否保存。');
WorkBook := eclApp.workBooks.Open(xlsFileName);
eclApp.Cells(2 , 1):='Excel文件类型';
if MessageDlg(xlsFileName+'文件已被修改,是否保存?',mtConfirmation, [mbYes, mbNo], 0) = mrYes then
WorkBook.Save
else
workBook.Saved := True; //放弃修改
WorkBook.Close;
eclApp.Quit;
//退出Excel Application
//释放VARIANT变量
eclApp := Unassigned;
ShowMessage('演示完毕！');
except
ShowMessage('不能正确操作Excel文件。可能是该文件已被其他程序打开, 或系统错误。');
WorkBook.Close;
eclApp.Quit;
//释放VARIANT变量
eclApp:=Unassigned;
end;
end;
end.
