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70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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//主要功能:
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// InternetGet类
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//
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//程序编写: 2008-11-09
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//
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//
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/////////////////////////////////////////////////////////////////////////////
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#pragma once
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#include <afxsock.h> // MFC socket extensions
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#include <afxinet.h>
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class CInternetGet
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{
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public:
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CInternetGet(void);
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virtual ~CInternetGet(void);
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public:
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virtual bool IsOpenConnection(void);
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// open the connection
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virtual bool OpenConnection(CString server, LPCTSTR lpstrUserName=NULL, LPCTSTR lpstrPassordword=NULL);
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// close the connection
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virtual bool CloseConnection();
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virtual bool Open(LPCTSTR lpstrRemote);
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virtual void Close(void);
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virtual bool IsOpen(void);
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virtual UINT Read(void* lpBuf, UINT nCount);
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virtual ULONGLONG Seek(ULONGLONG nOffset, UINT nFrom);
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virtual CStdioFile* GetStdioFile(void);
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virtual bool GetFile(LPCTSTR lpstrRemote, CFile* fw);
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virtual bool GetFile(LPCTSTR lpstrRemote, LPCTSTR lpstrLocal);
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virtual void ExchangeBuffer(void* pBuf, UINT len); //读取一段信息后调用，可以用作加解密用
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//设置提示信息
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virtual void SetInformation(LPCTSTR lpstrInfo);
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virtual void SetInformation(UINT nInfoID);
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virtual void SetProgressDlg(CWnd* pDlg);
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//设置进程条信息
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virtual void SetPos(int nPos);
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DWORD GetCurrentFileLength(void);
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BOOL IsAbortFlag(void);
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void SetAbortFlag(BOOL bAbort);
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//接收并处理其它消息
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void PeekMessageLoop(void);
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protected:
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CInternetSession *pInternetSession;
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BOOL m_bAbortFlag; //是否终止当前的操作
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CString strAppName;
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DWORD m_uCurFileLength; //下载文件的长度
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ULONGLONG m_uTotalRead; //已读文件的总的长度
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CString strServerName;
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void CatchException(CInternetException* pEx);//获得错误信息
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};
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CString GetBytesString(ULONGLONG nLength);
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