FTP控件的相关属性和事件都设置好了。不知什么原因,上传文件时进度条工作正常,而下载文件时,进度条没有动静。帮助我看看。从网上查询说要设置AWorkMode,以确定是处于接收数据状态还是发送数据状态,是不是这个原因?怎么设置?//联用这几个事件:
//注意要判断一下AWorkMode,确定是处于接收数据状态还是发送数据状态。
OnWorkBegin // ProgressBar1.Max:=AWorkCountMax;
OnWork // ProgressBar1.Position:=AWorkCount;
OnWorkEnd // ProgressBar1.Position:=0;//上载
stepIT := 1;
ProgressBar1.StepBy(1);
ProgressBar1.Step:=1;
ProgressBar1.Visible:=true;
with IdFTP1 do
begin
Host := '130.140.40.201';
User := 'my_ftp';
Password := 'my_pass';
if Connected then Disconnect;
Connect();
Put(本地文件名,服务器文件名);
if Connected then Disconnect;
end;
ProgressBar1.Visible:=false;
//下载
if CheckBox1.Checked=true then
begin
begin
with IdFTP1 do
begin
Host := '130.140.40.201';
User := 'my_ftp';
Password := 'my_pass';
if Connected then Disconnect;
Connect();
stepIT := 1;
ProgressBar1.StepBy(1);
ProgressBar1.Step:=1;
ProgressBar1.Visible:=true; Get(服务器文件名,本地文件名,True);
ProgressBar1.Visible:=false;
//注意要判断一下AWorkMode,确定是处于接收数据状态还是发送数据状态。
OnWorkBegin // ProgressBar1.Max:=AWorkCountMax;
OnWork // ProgressBar1.Position:=AWorkCount;
OnWorkEnd // ProgressBar1.Position:=0;//上载
stepIT := 1;
ProgressBar1.StepBy(1);
ProgressBar1.Step:=1;
ProgressBar1.Visible:=true;
with IdFTP1 do
begin
Host := '130.140.40.201';
User := 'my_ftp';
Password := 'my_pass';
if Connected then Disconnect;
Connect();
Put(本地文件名,服务器文件名);
if Connected then Disconnect;
end;
ProgressBar1.Visible:=false;
//下载
if CheckBox1.Checked=true then
begin
begin
with IdFTP1 do
begin
Host := '130.140.40.201';
User := 'my_ftp';
Password := 'my_pass';
if Connected then Disconnect;
Connect();
stepIT := 1;
ProgressBar1.StepBy(1);
ProgressBar1.Step:=1;
ProgressBar1.Visible:=true; Get(服务器文件名,本地文件名,True);
ProgressBar1.Visible:=false;
OnWorkBegin // ProgressBar1.Position:=0;
OnWork // ProgressBar1.Position:=AWorkCount;
OnWorkEnd // ProgressBar1.Max:=AWorkCountMax;
unit Unit1;interfaceuses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, IdAntiFreezeBase, IdAntiFreeze, IdBaseComponent,
IdComponent, IdTCPConnection, IdTCPClient, IdFTP, ComCtrls, IdFTPCommon;type
TForm1 = class(TForm)
IdFTP1: TIdFTP;
IdAntiFreeze1: TIdAntiFreeze;
Edit1: TEdit;
Button1: TButton;
ProgressBar1: TProgressBar;
OpenDialog1: TOpenDialog;
Button2: TButton;
procedure IdFTP1WorkBegin(Sender: TObject; AWorkMode: TWorkMode;
const AWorkCountMax: Integer);
procedure IdFTP1Work(Sender: TObject; AWorkMode: TWorkMode;
const AWorkCount: Integer);
procedure IdFTP1WorkEnd(Sender: TObject; AWorkMode: TWorkMode);
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
AbortTransfer: Boolean;
TransferrignData: Boolean;
BytesToTransfer: LongWord;
STime: TDateTime;
public
{ Public declarations }
end;var
Form1: TForm1;
AverageSpeed: Double = 0;
implementation{$R *.dfm}procedure TForm1.IdFTP1WorkBegin(Sender: TObject; AWorkMode: TWorkMode;
const AWorkCountMax: Integer);
begin
TransferrignData := true;
AbortTransfer := false;
STime := Now;
if AWorkCountMax > 0 then
begin
ProgressBar1.Max := AWorkCountMax;
end else
begin
ProgressBar1.Max := BytesToTransfer;
end;
AverageSpeed := 0;
end;procedure TForm1.IdFTP1Work(Sender: TObject; AWorkMode: TWorkMode;
const AWorkCount: Integer);
Var
S: String;
TotalTime: TDateTime;
H, M, Sec, MS: Word;
DLTime: Double;
begin
TotalTime := Now - STime;
DecodeTime(TotalTime, H, M, Sec, MS);
Sec := Sec + M * 60 + H * 3600;
DLTime := Sec + MS / 1000;
if DLTime > 0 then
AverageSpeed := (AWorkCount/1024)/DLTime; S := FormatFloat('0.00 KB/s', AverageSpeed); if AbortTransfer then IdFTP1.Abort;
ProgressBar1.Position := AWorkCount;
//tvPlanets.DataController.Values[DownloadID,2] := FormatFloat('#,##0',AWorkCount/1024)+'/'+FormatFloat('#,##0',BytesToTransfer/1024);
AbortTransfer := false;
application.ProcessMessages;
end;procedure TForm1.IdFTP1WorkEnd(Sender: TObject; AWorkMode: TWorkMode);
begin
BytesToTransfer := 0;
TransferrignData := false;
ProgressBar1.Position := 0;
AverageSpeed := 0;
end;procedure TForm1.Button1Click(Sender: TObject);
begin
if opendialog1.Execute then
begin
Edit1.Text := opendialog1.FileName;
if Trim(Edit1.Text)='' then
begin
MessageBox(Handle,'请选择要上传的文本文件','提示',MB_ICONINFORMATION);
Exit;
end;
if not IdFTP1.Connected then
begin
IdFTP1.Username := 'ftpuser';
IdFTP1.Password := 'ftpuser01';
IdFTP1.Host := '192.168.27.102';
IdFTP1.Connect;
//IdFTP1.ChangeDir('/orasource/zbdoc');
end;
IdFTP1.TransferType := ftBinary;
BytesToTransfer := IdFTP1.Size(trim(edit1.Text));
try
IdFTP1.put(trim(edit1.Text),ExtractFileName(Edit1.text), true);
finally
IdFTP1.Disconnect;
end;
end;
end;procedure TForm1.Button2Click(Sender: TObject);
begin
if not IdFTP1.Connected then
begin
IdFTP1.Username := 'ftpuser';
IdFTP1.Password := 'ftpuser01';
IdFTP1.Host := '192.168.27.102';
IdFTP1.Connect;
//IdFTP1.ChangeDir('/orasource/zbdoc');
end;
IdFTP1.TransferType := ftBinary; BytesToTransfer := IdFTP1.Size('OA报销模块操作手册.doc');
try
IdFTP1.Get('OA报销模块操作手册.doc','c:\OA报销模块操作手册.doc', True);
finally
IdFTP1.Disconnect;
end;
end;end.