unit U_FileUp_PZ;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, cxStyles, cxCustomData, cxGraphics, cxFilter, cxData,
  cxDataStorage, cxEdit, DB, cxDBData, ComCtrls, ToolWin, ExtCtrls,
  cxGridLevel, cxGridCustomTableView, cxGridTableView, cxGridDBTableView,
  cxClasses, cxControls, cxGridCustomView, cxGrid, IdBaseComponent,
  IdComponent, IdTCPConnection, IdTCPClient, IdFTP, StdCtrls, ADODB,jpeg,
  BtnEdit,IniFiles;

type
  TfrmFileUpPZ = class(TForm)
    cxGrid7: TcxGrid;
    TV7: TcxGridDBTableView;
    FileName: TcxGridDBColumn;
    FileDate: TcxGridDBColumn;
    cxGridLevel6: TcxGridLevel;
    Panel16: TPanel;
    ToolBar6: TToolBar;
    FileUp: TToolButton;
    FileDel: TToolButton;
    Panel1: TPanel;
    Label1: TLabel;
    Code: TEdit;
    ODPat: TOpenDialog;
    IdFTP1: TIdFTP;
    SaveDialog1: TSaveDialog;
    ADOQueryFile: TADOQuery;
    DataSource1: TDataSource;
    ADOQueryCmd: TADOQuery;
    ADOQueryTemp: TADOQuery;
    Image2: TImage;
    Label2: TLabel;
    ADOQuery1: TADOQuery;
    procedure FileUpClick(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure FileDelClick(Sender: TObject);
    procedure FormShow(Sender: TObject);
  private
    lstPat: TStringList;
		AJpeg: TJPEGImage;
    procedure CreThumb(AJPeg:TJPEGImage;Image1:TImage;Width, Height: Integer);
    procedure SaveImageOther();
    procedure ReadINIFile10();
    { Private declarations }
  public
    CYID:String;
    { Public declarations }
  end;

var
  frmFileUpPZ: TfrmFileUpPZ;

implementation
uses
  U_DataLink,U_RTFun;

{$R *.dfm}

procedure TfrmFileUpPZ.ReadINIFile10();
var
  programIni:Tinifile;  //配置文件名
  FileName:string;
begin
  FileName:=ExtractFilePath(Paramstr(0))+'SYSTEMSET.INI';
  programIni:=Tinifile.create(FileName);
  server:=programIni.ReadString('SERVER','服务器地址','127.0.0.1');
  programIni.Free;
end;

procedure TfrmFileUpPZ.FileUpClick(Sender: TObject);
var
  i,j: Integer;
  PatFile: String;
  FTPPath,FConNo,MaxNo:string;
  AJpeg: TJPEGImage;
begin
  if Trim(Code.Text)='' then
  begin
    Application.MessageBox('图片编号不能为空！','提示',0);
    Exit;
  end;
  lstPat.Clear;
  if ODPat.Execute then
  begin
    lstPat.AddStrings(ODPat.Files);
  end;

  if lstPat.Count > 0 then
  begin
    try
      ReadINIFile10();
      server:=ReadINIFileStr('SYSTEMSET.INI','SERVER','服务器地址','127.0.0.1');
      IdFTP1.Host :=server;//PicSvr;
      IdFTP1.Username := 'three';
      IdFTP1.Password := '641010';
      IdFTP1.Connect();
    except
      IdFTP1.Quit;
      Application.MessageBox('无法连接到文件服务器，请检查！', '提示', MB_ICONWARNING);
      Exit;
    end;
  end;
  Panel16.Visible:=True;
  Panel16.Refresh;
  AJpeg:=TJpegImage.Create();
  Image2.Picture.LoadFromFile(ODPat.FileName);
  AJpeg.Assign(Image2.Picture.Graphic);
  CreThumb(AJpeg,Image2,800,400);    //216,187
  try
    ADOQueryCmd.Connection.BeginTrans;
    for i := 0 to lstPat.Count - 1 do
    begin
      PatFile := ExtractFileName(lstPat[i]);
      with ADOQueryTemp do
      begin
        Close;
        SQL.Clear;
        SQL.Add('select Count(*) MM from XD_File where filename='''+Trim(PatFile)+''' ');
        SQL.Add('and filetype=''PZ''');
        Open;
        j:=fieldbyname('MM').AsInteger;
      end;
      if j>1 then
      begin
        PatFile:=IntToStr(j)+PatFile;
      end;
      if IdFTP1.Connected then
      begin
        try
          IdFTP1.Put(lstPat[i], Trim('\PZ')+'\'+Trim(PatFile));
          with ADOQueryTemp do
          begin
            Close;
            SQL.Clear;
            SQL.Add('select * from XD_File where CYID='''+Trim(CYID)+'''');
            SQL.Add(' and filename='''+Trim(PatFile)+'''');
            SQL.Add(' and filetype=''PZ''');
            Open;
            if not IsEmpty then
            begin
              Panel16.Visible:=False;
              Application.MessageBox(PChar('文件<'+Trim(PatFile)+'>重复,'+inttostr(i)+'个文件上传成功！'),'提示',0);
              Exit;
            end;
          end;
          if GetLSNo(ADOQueryCmd,MaxNo,'PZ','XD_File',4,1)=False then
          begin
            ADOQueryCmd.Connection.RollbackTrans;
            Application.MessageBox('取图片最大号失败！','提示',0);
            Exit;
          end;
          with ADOQueryCmd do
          begin
            Close;
            SQL.Clear;
            SQL.Add('select * from XD_File where 1=2');
            Open;
          end;
          with ADOQueryCmd do
          begin
            Append;
            FieldByName('XFID').Value:=Trim(MaxNo);
            FieldByName('CYID').Value:=Trim(CYID);
            FieldByName('CYNO').Value:=Trim(Code.Text);
            FieldByName('filename').Value:=Trim(PatFile);
            FieldByName('FileDate').Value:=SGetServerDate(ADOQueryTemp);
            fieldbyname('FileType').value:=Trim('PZ');
            Post;
          end;
        except
          ADOQueryCmd.Connection.RollbackTrans;
          Application.MessageBox('图片不是JPG格式！','提示',0);
        end;
      end;
    end;
    with ADOQueryCmd do
    begin
      Close;
      sql.Clear;
      sql.Add('Update CP_YDang Set TPFlag=1 where CYID='''+Trim(CYID)+'''');
      ExecSQL;
    end;
    SaveImageOther();
    ADOQueryCmd.Connection.CommitTrans;
  except
    ADOQueryCmd.Connection.RollbackTrans;
    Application.MessageBox('图片上传失败！','提示',0);
  end;
  if IdFTP1.Connected then IdFTP1.Quit;
  with ADOQueryFile do
  begin
    Close;
    SQL.Clear;
    SQL.Add('select * from XD_File where CYID='''+Trim(CYID)+'''');
    open;
  end;
  Panel16.Visible:=False;
  if i>0 then
    Application.MessageBox(PChar(inttostr(i)+'个文件上传成功！'),'提示',0);
  ModalResult:=1;
end;

procedure TfrmFileUpPZ.CreThumb(AJPeg:TJPEGImage;Image1:TImage;Width, Height: Integer);
var
  Bitmap: TBitmap;
  Ratio: Double;
  ARect: TRect;
  AHeight, AHeightOffset: Integer;
  AWidth, AWidthOffset: Integer;
begin
  Bitmap := TBitmap.Create;
  try
    Ratio := AJPeg.Width /AJPeg.Height;
    if Ratio > 1.333 then
    begin
      AHeight := Round(Width / Ratio);
      AHeightOffset := (Height - AHeight) div 2;
      AWidth := Width;
      AWidthOffset := 0;
    end
    else
    begin
      AWidth := Round(Height * Ratio);
      AWidthOffset := (Width - AWidth) div 2;
      AHeight := Height;
      AHeightOffset := 0;
    end;
    Bitmap.Width := Width;
    Bitmap.Height := Height;
    Bitmap.Canvas.Brush.Color := clBtnFace;
    Bitmap.Canvas.FillRect(Rect(0, 0, Width, Height));
    ARect := Rect(AWidthOffset, AHeightOffset, AWidth + AWidthOffset, AHeight + AHeightOffset);
    Bitmap.Canvas.StretchDraw(ARect, AJPeg);
    Image1.Picture.Assign(BitMap);
  finally
    Bitmap.Free;
  end;
end;

procedure TfrmFileUpPZ.SaveImageOther();
var
  AJpeg: TJPEGImage;
  myStream: TADOBlobStream;
  ImgMaxNo:String;
  i,j: Integer;
  PatFile: String;
  FTPPath,FConNo,MaxNo,FTFID:string;
begin
  if Image2.Picture=nil then Exit;
  AJpeg:=TJpegImage.Create();
  with ADOQueryTemp do
  begin
    Close;
    sql.Clear;
    sql.Add('select * from TP_File where WBID='''+Trim(CYID)+'''');
    Open;
  end;
  FTFID:=Trim(ADOQueryTemp.fieldbyname('TFID').AsString);
  if Trim(FTFID)='' then
  begin
    if GetLSNo(ADOQueryCmd,ImgMaxNo,'TF','TP_File',3,1)=False then
    begin
      ADOQueryCmd.Connection.RollbackTrans;
      Application.MessageBox('取图片表最大号失败!','提示',0);
      Exit;
    end;
  end else
  begin
    ImgMaxNo:=Trim(FTFID);
  end;
  with ADOQueryCmd do
  begin
    close;
    sql.Clear;
    sql.Add( ' select * from TP_File where TFID='''+Trim(FTFID)+'''');
    open;
  end;
  with ADOQueryCmd do
  begin
    if Trim(FTFID)='' then
    begin
      Append;
      FieldByName('Filler').Value:=Trim(DName);
    end
    else
    begin
      Edit;
      FieldByName('Editer').Value:=Trim(DName);
      FieldByName('EditTime').Value:=SGetServerDateTime(ADOQueryTemp);
    end;
    FieldByName('TFID').Value:=Trim(ImgMaxNo);
    FieldByName('WBID').Value:=Trim(CYID);
    //FieldByName('TFIdx').Value:=cxTabControl2.TabIndex;
    FieldByName('TFType').Value:='凭证';
    AJpeg.Assign(Image2.Picture.Graphic);
    //CreThumb(AJpeg,Image1,160, 120);
    myStream := TADOBlobStream.Create(TBlobField(ADOQueryCmd.FieldByName('FilesOther')), bmWrite);
    AJpeg.Assign(Image2.Picture.Graphic);
    AJpeg.SaveToStream(myStream);
    myStream.Free;
    Post;
  end;
end;

procedure TfrmFileUpPZ.FormCreate(Sender: TObject);
begin
  lstPat := TStringList.Create;

end;

procedure TfrmFileUpPZ.FileDelClick(Sender: TObject);
begin
  with ADOQueryCmd do
  begin
    Close;
    sql.Clear;
    SQL.Add(' Delete XD_File where XFID='''+Trim(ADOQueryFile.fieldbyname('XFID').AsString)+'''');
    SQL.Add(' Delete TP_File where WBID='''+Trim(CYID)+''' and TFType=''凭证'' ');
    ExecSQL;
  end;
  with ADOQuery1 do
  begin
    Close;
    SQL.Clear;
    SQL.Add('select * from XD_File where CYID='''+Trim(CYID)+'''');
    SQL.Add(' and FileType=''PZ''');
    open;
  end;
  if ADOQuery1.IsEmpty then
  begin
    with ADOQueryCmd do
    begin
      Close;
      sql.Clear;
      sql.Add('Update CP_YDang Set TPFlag=0 where CYID='''+Trim(CYID)+'''');
      ExecSQL;
    end;
  end;
  application.MessageBox('删除成功','提示');
end;

procedure TfrmFileUpPZ.FormShow(Sender: TObject);
begin
  with ADOQueryFile do
  begin
    Close;
    SQL.Clear;
    SQL.Add('select * from XD_File where CYID='''+Trim(CYID)+'''');
    SQL.Add(' and FileType=''PZ''');
    Open;
  end;
end;

end.