有關FTP取回檔案資訊的問題 |
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缺席
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00156
高階會員   發表：45 回覆：195 積分：112 註冊：2002-06-01 發送簡訊給我 |
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cmf
尊榮會員 發表：84 回覆：918 積分：1032 註冊：2002-06-26 發送簡訊給我 |
引言: 請教諸位先進： 利用IdFTP元件的List方法取回的檔案資訊，要如何分解為檔名、修改日期、檔案大小等屬性？ 試了幾個Server，取回的資訊格式有點混亂，不知道有沒有特定規則？ 謝謝各位！TidFTP.LIST //取的檔案 及 目錄 清單 procedure List(ADest: TStrings; const ASpecifier: string; const ADetails: boolean); ADest: TStrings; //讀取 目前目錄 之 檔案 及 子目錄 清單 const ASpecifier: string = ''; //File mask for the listing. Default value is ''. // 例: '*.txt' const ADetails: boolean = true //Include file details. Default value is True. Description List is a procedure used to request a list of files or directories in the current directory on the FTP server. ADest is the TStringList used to store the information requested. ASpecifier is a String that contains a mask indicating the files and/or directories to be included in the listing. ASpecifier can contain common wildcard characters like '*' and '?'. Some useful masks include: *.* - All files in the current directory. * - All directory entries in the current directory. *. - All files regardless of extension in the current directory. A??.txt - All text files that have a 3-character name starting with 'A'. ADetails is a Boolean that indicates if the list should contain details about the files and directories that match the mask in ASpecifier. When ADetails is False, only the file or directory name is returned in the ADest string list. When ADetails is True, List can return FTP server-dependent details including the file size, date modified, and file permissions for the Owner, Group, and User. An application must be able to parse the detailed list format based on the FTP server type identified in SystemDesc.
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00156
高階會員 發表：45 回覆：195 積分：112 註冊：2002-06-01 發送簡訊給我 |
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cmf
尊榮會員 發表：84 回覆：918 積分：1032 註冊：2002-06-26 發送簡訊給我 |
procedure TMainForm.ChageDir(DirName: String);
begin
try
SetFunctionButtons(false);
IdFTP1.ChangeDir(DirName);
IdFTP1.TransferType := ftASCII; CurrentDirEdit.Text := IdFTP1.RetrieveCurrentDir; {Panel3.Caption := 'Current directory is: ' + IdFTP1.RetrieveCurrentDir +
' Remote system is ' + IdFTP1.SystemDesc;}
DirectoryListBox.Items.Clear;
IdFTP1.List(DirectoryListBox.Items);
finally
SetFunctionButtons(true);
end;
end; procedure TMainForm.DirectoryListBoxDblClick(Sender: TObject);
Var
Name, Line: String;
IsDirectory: Boolean;
begin
if not IdFTP1.Connected then exit;
Line := DirectoryListBox.Items[DirectoryListBox.ItemIndex];
Name := GetNameFromDirLine(Line, IsDirectory);
if IsDirectory then begin
// Change directory
SetFunctionButtons(false);
ChageDir(Name);
SetFunctionButtons(true);
end
else begin
try
SaveDialog1.FileName := Name;
if SaveDialog1.Execute then begin
SetFunctionButtons(false);
IdFTP1.TransferType := ftBinary;
BytesToTransfer := IdFTP1.Size(Name);
IdFTP1.Get(Name, SaveDialog1.FileName, true);
end;
finally
SetFunctionButtons(true);
end;
end;
end; function GetNameFromDirLine(Line: String; Var IsDirectory: Boolean): String;
Var
i: Integer;
DosListing: Boolean;
begin
IsDirectory := Line[1] = 'd';
DosListing := false;
for i := 0 to 7 do begin
if (i = 2) and not IsDirectory then begin
IsDirectory := Copy(Line, 1, Pos(' ', Line) - 1) = '
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00156
高階會員 發表：45 回覆：195 積分：112 註冊：2002-06-01 發送簡訊給我 |
嗯...不知道是不是少掉什麼，cmf的程式碼沒辦法runㄝ...
我把現有的資料分析，做出下面的結論，不知道有沒有錯(網上實在找不到這方面的文件)：
//定義伺服器種類、檔案屬性、檔案資訊等型態
type TFTPServerType = (ftpUnix, ftpWindows, ftpUnknow); type TFTPFileType = (ffDirectory, ffFile, ffUnknow); type
TFTPFileInfo = record
Name:TFileName;
Size:longint;
Attr:TFTPFileType;
year:word;
month,dat,hr,min:byte;
end;
//解析的函數
function GetAStr(_OStr:string;_no:byte;_IDStr:string):string; {字串分解工具}
var i_:word;
beforeCk_,currentCk_:boolean;
timeOfChange_:word;
function isID(_xch:char):boolean;
begin
if Pos(_xch,_IDStr)>0 then Result:=true else Result:=false;
end;
begin
Result:='';
beforeCk_:=true;
timeOfChange_:=0;
i_:=0;
repeat
Inc(i_);
currentCk_:=isID(_OStr[i_]);
if (beforeCk_ xor currentCk_) then Inc(timeOfChange_);
if timeOfChange_=(_no*2-1) then
Result:=Result _OStr[i_];
beforeCk_:=currentCk_;
until ((timeOfChange_=(_no*2)) or (i_=Length(_OStr)));
end;
function GetServerType(const ServerEntry:string):TFTPServerType; {取得FTP Server類型}
begin
if Pos('UNIX',UpperCase(ServerEntry))>0 then Result:=ftpUnix
else if Pos('WINDOWS',UpperCase(ServerEntry))>0 then Result:=ftpWindows
else Result:=ftpUnknow;
end;
function GetMonthNum(MonthStr:string):byte; {僅供procedure DecodeFileInfo使用}
const MonthLst = 'JAN_FEB_MAR_APR_MAY_JUN_JUL_AUG_SEP_OCT_NOV_DEC_';
var i:byte;
begin
i:=Pos(UpperCase(MonthStr) '_',MonthLst);
if i>0 then Result:=Trunc((i-1)/4) 1 else Result:=0;
end;
procedure DecodeFileInfo(ServerType:TFTPServerType; AFileEntry:string; var FI:TFTPFileInfo); {解析Server傳回的內容}
var s_:string[64];
y_,m_,d_:word;
begin
case ServerType of
ftpUnix:
begin
//FI.Name:=GetAStr(AFileEntry,9,' ');
FI.Name:=Copy(AFileEntry,56,Length(AFileEntry)-55); FI.Size:=StrToIntDef(GetAStr(AFileEntry,5,' '),0);
FI.month:=GetMonthNum(GetAStr(AFileEntry,6,' '));
FI.dat:=StrToIntDef(GetAStr(AFileEntry,7,' '),0);
s_:=GetAStr(AFileEntry,8,' ');
if Pos(':',s_)>0 then
begin //時:分
FI.year:=CurrentYear;
FI.hr:=StrToIntDef(GetAStr(s_,1,':'),0);
FI.min:=StrToIntDef(GetAStr(s_,2,':'),0);
DecodeDate(Date,y_,m_,d_);
if m_ 發表人 - 00156 於 2003/01/21 13:41:34 發表人 - 00156 於 2003/02/02 15:02:07
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turboted
版主 發表：95 回覆：754 積分：452 註冊：2002-07-23 發送簡訊給我 |
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00156
高階會員 發表：45 回覆：195 積分：112 註冊：2002-06-01 發送簡訊給我 |
發表時間：2003-01-19 15:28:55
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系統時間：2024-04-18 17:55:34
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