delphi使用Chilkat 组件和库从SFTP下载文件的方法

 uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, SFtp; ... procedure TForm1.Button1Click(Sender: TObject); var sftp: HCkSFtp; hostname: PWideChar; port: Integer; success: Boolean; remoteFilePath: PWideChar; localFilePath: PWideChar; begin // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. sftp := CkSFtp_Create(); // Set some timeouts, in milliseconds: CkSFtp_putConnectTimeoutMs(sftp,5000); CkSFtp_putIdleTimeoutMs(sftp,10000); // Connect to the SSH server. // The standard SSH port = 22 // The hostname may be a hostname or IP address. hostname := 'sftp.example.com';// ip port := 22;// 端口 success := CkSFtp_Connect(sftp,hostname,port); if (success <> True) then begin Memo1.Lines.Add(CkSFtp__lastErrorText(sftp)); Exit; end; // Authenticate with the SSH server. Chilkat SFTP supports // both password-based authenication as well as public-key // authentication. This example uses password authenication. success := CkSFtp_AuthenticatePw(sftp,'myLogin','myPassword');// 账号密码 if (success <> True) then begin Memo1.Lines.Add(CkSFtp__lastErrorText(sftp)); Exit; end; // After authenticating, the SFTP subsystem must be initialized: success := CkSFtp_InitializeSftp(sftp); if (success <> True) then begin Memo1.Lines.Add(CkSFtp__lastErrorText(sftp)); Exit; end; // Download the file: localFilePath := 'c:/temp/hamlet.xml';// 本地保存路径 remoteFilePath := 'subdir1/subdir2/hamlet.xml'; // 服务器文件路径 // The ResumeDownloadFileByName method will check // the local file and begin downloading the remote file // at the appropriate point. For example, if the local // file is already 215624 bytes long, it will begin downloading // the remote file at the 215625'th byte -- appending to // the local file. success := CkSFtp_ResumeDownloadFileByName(sftp,remoteFilePath,localFilePath); if (success <> True) then begin Memo1.Lines.Add(CkSFtp__lastErrorText(sftp)); Exit; end; Memo1.Lines.Add('Success.'); CkSFtp_Dispose(sftp); end; © 2000-2019 Chilkat Software, Inc. All Rights Reserved.

 uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Global; ... procedure TForm1.Button1Click(Sender: TObject); var glob: HCkGlobal; success: Boolean; status: Integer; begin // The Chilkat API can be unlocked for a fully-functional 30-day trial by passing any // string to the UnlockBundle method. A program can unlock once at the start. Once unlocked, // all subsequently instantiated objects are created in the unlocked state. // // After licensing Chilkat, replace the "Anything for 30-day trial" with the purchased unlock code. // To verify the purchased unlock code was recognized, examine the contents of the LastErrorText // property after unlocking. For example: glob := CkGlobal_Create(); success := CkGlobal_UnlockBundle(glob,'Anything for 30-day trial'); if (success <> True) then begin Memo1.Lines.Add(CkGlobal__lastErrorText(glob)); Exit; end; status := CkGlobal_getUnlockStatus(glob); if (status = 2) then begin Memo1.Lines.Add('Unlocked using purchased unlock code.'); end else begin Memo1.Lines.Add('Unlocked in trial mode.'); end; // The LastErrorText can be examined in the success case to see if it was unlocked in // trial more, or with a purchased unlock code. Memo1.Lines.Add(CkGlobal__lastErrorText(glob)); CkGlobal_Dispose(glob); end;