单元接口部分引用 comobj 单元(uses )
procedure TForm1.Button1Click(Sender: TObject);

var excelx,excely : string;
  
begin

    try

      ExcelApp := CreateOleObject('Excel.Application');

      WorkBook := ExcelApp.WorkBooks.Open(opendialog.FileName);//使用opendialog对话框指定
//excel档路径

                                             

      ExcelApp.Visible := false;

      ExcelRowCount := WorkBook.WorkSheets[1].UsedRange.Rows.Count;

      for i := 1 to excelrowcount + 1 do

      begin
        
        excelx := excelapp.Cells[i,1].Value;

        excely := excelapp.Cells[i,2].Value;

        if ((excelapp.Cells[i,1].Value  = '') and (ExcelApp.Cells[i,2].Value = '')) then 
//指定excel档的第 i 行 ,第 1,2(看情况而定)行如果为空就退出,这样的设定,最好是你的档案力这两行//对应数据库中不能为空的数据

          exit

        else

        with query1 do

        begin

          close;
          sql.clear;
sql.add(insert into test(name,address) values(:name,:address));
parambyname('name').asstring := excelx;//excel档的第一列插入到test表的 name栏位;
parambyname('address').asstring := excely;//excel档的第二列插入到test表的 address 栏位;
execsql;
 
        end;
  
      end;

      finally

        WorkBook.Close;

        ExcelApp.Quit;

        ExcelApp := Unassigned;

        WorkBook := Unassigned;

    end;

  end;