|
تهيه خروجي از جداول ADO به
فرمتهاي مختلف
unit ExportADOTable;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
Db, ADODB;
type
TExportADOTable = class(TADOTable)
private
{ Private declarations }
//TADOCommand component used to execute the SQL exporting commands
FADOCommand: TADOCommand;
protected
{ Protected declarations }
public
{ Public declarations }
constructor Create(AOwner: TComponent); override;
//Export procedures
//"FiledNames" is a comma separated list of the names of the fields you want
to export
//"FileName" is the name of the output file (including the complete path)
//if the dataset is filtered (Filtered = true and Filter <> ''), then I
append
//the filter string to the sql command in the "where" directive
//if the dataset is sorted (Sort <> '') then I append the sort string to the
sql command in the
//"order by" directive
procedure ExportToExcel(FieldNames: string; FileName: string;
SheetName: string; IsamFormat: string);
procedure ExportToHtml(FieldNames: string; FileName: string);
procedure ExportToParadox(FieldNames: string; FileName: string; IsamFormat:
string);
procedure ExportToDbase(FieldNames: string; FileName: string; IsamFormat:
string);
procedure ExportToTxt(FieldNames: string; FileName: string);
published
{ Published declarations }
end;
procedure Register;
implementation
procedure Register;
begin
RegisterComponents('Carlo Pasolini', [TExportADOTable]);
end;
constructor TExportADOTable.Create(AOwner: TComponent);
begin
inherited;
FADOCommand := TADOCommand.Create(Self);
end;
procedure TExportADOTable.ExportToExcel(FieldNames: string; FileName: string;
SheetName: string; IsamFormat: string);
begin
{IsamFormat values
Excel 3.0
Excel 4.0
Excel 5.0
Excel 8.0
}
if not Active then
Exit;
FADOCommand.Connection := Connection;
FADOCommand.CommandText := 'Select ' + FieldNames + ' INTO ' + '[' +
SheetName + ']' + ' IN ' + '"' + FileName + '"' + '[' + IsamFormat +
';]' + ' From ' + TableName;
if Filtered and (Filter <> '') then
FADOCommand.CommandText := FADOCommand.CommandText + ' where ' + Filter;
if (Sort <> '') then
FADOCommand.CommandText := FADOCommand.CommandText + ' order by ' + Sort;
FADOCommand.Execute;
end;
procedure TExportADOTable.ExportToHtml(FieldNames: string; FileName: string);
var
IsamFormat: string;
begin
if not Active then
Exit;
IsamFormat := 'HTML Export';
FADOCommand.Connection := Connection;
FADOCommand.CommandText := 'Select ' + FieldNames + ' INTO ' + '[' +
ExtractFileName(FileName) + ']' +
' IN ' + '"' + ExtractFilePath(FileName) + '"' + '[' + IsamFormat +
';]' + ' From ' + TableName;
if Filtered and (Filter <> '') then
FADOCommand.CommandText := FADOCommand.CommandText + ' where ' + Filter;
if (Sort <> '') then
FADOCommand.CommandText := FADOCommand.CommandText + ' order by ' + Sort;
FADOCommand.Execute;
end;
procedure TExportADOTable.ExportToParadox(FieldNames: string;
FileName: string; IsamFormat: string);
begin
{IsamFormat values
Paradox 3.X
Paradox 4.X
Paradox 5.X
Paradox 7.X
}
if not Active then
Exit;
FADOCommand.Connection := Connection;
FADOCommand.CommandText := 'Select ' + FieldNames + ' INTO ' + '[' +
ExtractFileName(FileName) + ']' +
' IN ' + '"' + ExtractFilePath(FileName) + '"' + '[' + IsamFormat +
';]' + ' From ' + TableName;
if Filtered and (Filter <> '') then
FADOCommand.CommandText := FADOCommand.CommandText + ' where ' + Filter;
if (Sort <> '') then
FADOCommand.CommandText := FADOCommand.CommandText + ' order by ' + Sort;
FADOCommand.Execute;
end;
procedure TExportADOTable.ExportToDbase(FieldNames: string; FileName: string;
IsamFormat: string);
begin
{IsamFormat values
dBase III
dBase IV
dBase 5.0
}
if not Active then
Exit;
FADOCommand.Connection := Connection;
FADOCommand.CommandText := 'Select ' + FieldNames + ' INTO ' + '[' +
ExtractFileName(FileName) + ']' +
' IN ' + '"' + ExtractFilePath(FileName) + '"' + '[' + IsamFormat +
';]' + ' From ' + TableName;
if Filtered and (Filter <> '') then
FADOCommand.CommandText := FADOCommand.CommandText + ' where ' + Filter;
if (Sort <> '') then
FADOCommand.CommandText := FADOCommand.CommandText + ' order by ' + Sort;
FADOCommand.Execute;
end;
procedure TExportADOTable.ExportToTxt(FieldNames: string; FileName: string);
var
IsamFormat: string;
begin
if not Active then
Exit;
IsamFormat := 'Text';
FADOCommand.Connection := Connection;
FADOCommand.CommandText := 'Select ' + FieldNames + ' INTO ' + '[' +
ExtractFileName(FileName) + ']' +
' IN ' + '"' + ExtractFilePath(FileName) + '"' + '[' + IsamFormat +
';]' + ' From ' + TableName;
if Filtered and (Filter <> '') then
FADOCommand.CommandText := FADOCommand.CommandText + ' where ' + Filter;
if (Sort <> '') then
FADOCommand.CommandText := FADOCommand.CommandText + ' order by ' + Sort;
FADOCommand.Execute;
end;
end.
| |
|
