RTFormwork/项目代码/RTBasicsV1/A00通用窗体/U_AttachmentUpload.pas
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2024-07-07 09:35:27 +08:00

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unit U_AttachmentUpload;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, ExtCtrls, ComCtrls, Menus, cxLookAndFeelPainters, StdCtrls, cxButtons,
DB, ADODB, ImgList, shellapi, IdBaseComponent, IdComponent, IdTCPConnection,
IdTCPClient, IdFTP, cxStyles, cxCustomData, cxGraphics, cxFilter, cxData,
cxDataStorage, cxEdit, cxDBData, cxGridCustomTableView, cxGridTableView,
cxGridDBTableView, cxGridLevel, cxClasses, cxControls, cxGridCustomView,
cxGrid, cxLookAndFeels, dxSkinsCore, dxSkinsDefaultPainters, cxNavigator,
dxDateRanges, IdExplicitTLSClientServerBase, System.ImageList, U_BaseHelp,
Vcl.ToolWin;
type
TfrmAttachmentUpload = class(TfrmBaseHelp)
ListView1: TListView;
ADOQueryTmp: TADOQuery;
ADOQueryCmd: TADOQuery;
Panel2: TPanel;
IdFTP1: TIdFTP;
ADOConnection1: TADOConnection;
Tv1: TcxGridDBTableView;
cxGrid1Level1: TcxGridLevel;
cxGrid1: TcxGrid;
v1Column1: TcxGridDBColumn;
v1Column2: TcxGridDBColumn;
v1Column3: TcxGridDBColumn;
DataSource1: TDataSource;
v1Column4: TcxGridDBColumn;
ToolBar1: TToolBar;
TBRafresh: TToolButton;
TBAdd: TToolButton;
TBClose: TToolButton;
TBDel: TToolButton;
btnDown: TToolButton;
ImageList1: TImageList;
procedure FormDestroy(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure FormShow(Sender: TObject);
procedure ListView1DblClick(Sender: TObject);
procedure FormClose(Sender: TObject; var Action: TCloseAction);
procedure Panel2DblClick(Sender: TObject);
procedure Tv1DblClick(Sender: TObject);
procedure TBAddClick(Sender: TObject);
procedure TBDelClick(Sender: TObject);
procedure TBCloseClick(Sender: TObject);
procedure TBRafreshClick(Sender: TObject);
procedure btnDownClick(Sender: TObject);
private
procedure InitData();
{ Private declarations }
public
fkeyNO: string;
fType: string;
fId: integer;
FEditAuthority: Boolean;
{ Public declarations }
end;
var
frmAttachmentUpload: TfrmAttachmentUpload;
implementation
uses
U_DataLink, U_RTFun, U_CompressionFun;
{$R *.dfm}
procedure TfrmAttachmentUpload.InitData();
var
ListItem: TListItem;
Flag: Cardinal;
info: SHFILEINFOA;
Icon: TIcon;
begin
ListView1.Items.Clear;
try
with adoqueryTmp do
begin
close;
sql.Clear;
sql.Add('select * from FJ_File ');
sql.Add('where WBID=' + quotedstr(trim(fkeyNO)));
sql.Add('and TFType=' + quotedstr(trim(fType)));
open;
end;
except
end;
end;
procedure TfrmAttachmentUpload.FormDestroy(Sender: TObject);
begin
frmAttachmentUpload := nil;
end;
procedure TfrmAttachmentUpload.FormCreate(Sender: TObject);
begin
try
with ADOConnection1 do
begin
Connected := false;
ConnectionString := DConString;
Connected := true;
end;
ADOQueryBaseCmd.Connection := ADOConnection1;
ADOQueryBaseTemp.Connection := ADOConnection1;
except
application.MessageBox('<27><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD>', '<27><>ʾ<EFBFBD><CABE>Ϣ');
end;
end;
procedure TfrmAttachmentUpload.FormShow(Sender: TObject);
begin
if FEditAuthority then
begin
btnDown.Visible := True;
TBDel.Visible := True;
TBAdd.Visible := True;
end
else
begin
btnDown.Visible := false;
TBDel.Visible := false;
TBAdd.Visible := false;
end;
initdata();
end;
procedure TfrmAttachmentUpload.ListView1DblClick(Sender: TObject);
var
sFieldName: string;
fileName: string;
begin
if ListView1.Items.Count < 1 then
EXIT;
if listView1.SelCount < 1 then
exit;
sFieldName := 'D:\<5C><><EFBFBD><EFBFBD><EFBFBD>鿴';
if not DirectoryExists(pchar(sFieldName)) then
CreateDirectory(pchar(sFieldName), nil);
fileName := ListView1.Selected.Caption;
sFieldName := sFieldName + '\' + trim(fileName);
try
IdFTP1.Host := PicSvr;
IdFTP1.Username := 'three';
IdFTP1.Password := '641010';
IdFTP1.Connect();
except
;
end;
if IdFTP1.Connected then
begin
Panel2.Caption := '<27><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD><EFBFBD>Ե<EFBFBD>...';
Panel2.Visible := true;
application.ProcessMessages;
try
IdFTP1.Get('FJ\' + Trim(fileName), sFieldName, false, true);
except
Panel2.Visible := false;
Application.MessageBox('<27><><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>', '<27><>ʾ', MB_ICONWARNING);
IdFTP1.Quit;
Exit;
end;
end
else
begin
Panel2.Visible := false;
Application.MessageBox('<27>޷<EFBFBD><DEB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>', '<27><>ʾ', MB_ICONWARNING);
IdFTP1.Quit;
Exit;
end;
Panel2.Visible := false;
if IdFTP1.Connected then
IdFTP1.Quit;
ShellExecute(Handle, 'open', PChar(sFieldName), '', '', SW_SHOWNORMAL);
end;
procedure TfrmAttachmentUpload.btnDownClick(Sender: TObject);
var
SaveDialog: TSaveDialog;
fFileName: string;
fFilePath: string;
ff: TADOBlobStream;
FJStream: TMemoryStream;
begin
if adoqueryTmp.IsEmpty then
exit;
try
fFileName := adoqueryTmp.fieldbyname('FileName').AsString;
SaveDialog := TSaveDialog.Create(Self);
SaveDialog.FileName := fFileName;
if SaveDialog.Execute then
begin
Panel2.Caption := '<27><><EFBFBD>ڱ<EFBFBD><DAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD><EFBFBD>Ե<EFBFBD>...';
Panel2.Visible := true;
application.ProcessMessages;
fFilePath := SaveDialog.FileName;
try
ff := TADOBlobstream.Create(adoqueryTmp.fieldByName('FilesOther') as TblobField, bmRead);
FJStream := TMemoryStream.Create;
ff.SaveToStream(FJStream);
UnCompressionStream(FJStream);
FJStream.SaveToFile(fFilePath);
// ShellExecute(Handle, 'open',PChar(sFieldName),'', '', SW_SHOWNORMAL);
finally
FJStream.free;
ff.Free;
end;
Panel2.Visible := false;
// if IdFTP1.Connected then IdFTP1.Quit;
end;
except
Panel2.Visible := false;
end;
end;
procedure TfrmAttachmentUpload.FormClose(Sender: TObject; var Action: TCloseAction);
begin
if fId = 10 then
Action := cafree
else
Action := cahide;
end;
procedure TfrmAttachmentUpload.Panel2DblClick(Sender: TObject);
begin
Panel2.Visible := false;
end;
procedure TfrmAttachmentUpload.TBAddClick(Sender: TObject);
var
OpenDiaLog: TOpenDialog;
fFileName: string;
fFilePath: string;
maxNo: string;
FJStream: TMemoryStream;
mfileSize: integer;
mCreationTime: TdateTime;
mWriteTime: TdateTime;
begin
try
adoqueryCmd.Connection.BeginTrans;
OpenDiaLog := TOpenDialog.Create(Self);
if OpenDiaLog.Execute then
begin
fFilePath := OpenDiaLog.FileName;
fFileName := ExtractFileName(OpenDiaLog.FileName);
Panel2.Caption := '<27><><EFBFBD><EFBFBD><EFBFBD>ϴ<EFBFBD><CFB4><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD><EFBFBD>Ե<EFBFBD>...';
Panel2.Visible := true;
application.ProcessMessages;
if GetLSNo(ADOQueryCmd, maxNo, 'FJ', 'FJ_File', 4, 1) = False then
begin
adoqueryCmd.Connection.RollbackTrans;
Application.MessageBox(<><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD>', '<27><>ʾ', 0);
Exit;
end;
//<2F><>ȡ<EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>Ϣ
GetFileInfo(fFilePath, mfileSize, mCreationTime, mWriteTime);
with adoqueryCmd do
begin
close;
sql.Clear;
sql.Add('delete from FJ_File ');
sql.Add('where TFID=' + quotedstr(trim(maxNo)));
execsql;
end;
try
FJStream := TMemoryStream.Create;
with adoqueryCmd do
begin
close;
sql.Clear;
sql.Add('select * from FJ_File ');
sql.Add('where TFID=' + quotedstr(trim(maxNo)));
open;
append;
fieldbyname('TFID').Value := trim(maxNo);
fieldbyname('WBID').Value := trim(fkeyNO);
fieldbyname('TFType').Value := trim(fType);
fieldbyname('Filler').Value := trim(DName);
fieldbyname('FileName').Value := trim(fFileName);
fieldbyname('TFDate').Value := mWriteTime;
FJStream.LoadFromFile(fFilePath);
CompressionStream(FJStream);
tblobfield(FieldByName('Filesother')).LoadFromStream(FJStream);
post;
end;
Panel2.Visible := false;
initdata();
finally
FJStream.Free;
end;
end;
adoqueryCmd.Connection.CommitTrans;
except
adoqueryCmd.Connection.RollbackTrans;
application.MessageBox('<27><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD>', '<27><>ʾ<EFBFBD><CABE>Ϣ', 0);
end;
end;
procedure TfrmAttachmentUpload.TBCloseClick(Sender: TObject);
begin
ADOQueryTmp.Close;
ADOQuerycmd.Close;
ListView1.Free;
ModalResult := 1;
end;
procedure TfrmAttachmentUpload.TBDelClick(Sender: TObject);
var
fFileName: string;
fFilePath: string;
begin
if ADOQueryTmp.IsEmpty then
exit;
if trim(ADOQueryTmp.fieldbyname('Filler').AsString) <> trim(DName) then
begin
Application.MessageBox(<>޲<EFBFBD><DEB2><EFBFBD>ϴ<EFBFBD><CFB4>˻<EFBFBD><CBBB><EFBFBD>ɾ<EFBFBD><C9BE>!', '<27><>ʾ', 0);
Exit;
end;
if Application.MessageBox(<><C8B7>Ҫɾ<D2AA><C9BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>', '<27><>ʾ', 32 + 4) <> IDYES then
Exit;
with ADOQueryCmd do
begin
close;
sql.Clear;
sql.Add('delete from FJ_File ');
sql.Add('where TFID=' + quotedstr(trim(ADOQueryTmp.fieldbyname('TFID').AsString)));
execsql;
end;
initData();
end;
procedure TfrmAttachmentUpload.TBRafreshClick(Sender: TObject);
begin
initData();
end;
procedure TfrmAttachmentUpload.Tv1DblClick(Sender: TObject);
var
sFieldName: string;
fileName: string;
ff: TADOBlobStream;
FJStream: TMemoryStream;
begin
if adoqueryTmp.IsEmpty then
exit;
sFieldName := 'D:\<5C><><EFBFBD><EFBFBD><EFBFBD>鿴';
if not DirectoryExists(pchar(sFieldName)) then
CreateDirectory(pchar(sFieldName), nil);
fileName := adoqueryTmp.fieldbyname('FileName').AsString;
sFieldName := sFieldName + '\' + trim(fileName);
try
ff := TADOBlobstream.Create(adoqueryTmp.fieldByName('FilesOther') as TblobField, bmRead);
FJStream := TMemoryStream.Create;
ff.SaveToStream(FJStream);
UnCompressionStream(FJStream);
FJStream.SaveToFile(sFieldName);
ShellExecute(Handle, 'open', PChar(sFieldName), '', '', SW_SHOWNORMAL);
finally
FJStream.free;
ff.Free;
end;
end;
end.