使用wininet向FTP服务器发送文件

.h

#pragma once
#include <windows.h>
#include <tchar.h>
#include <string>
#include <vector>
using namespace std;


class WininetFtpClient
{
public:
    WininetFtpClient(void);
    ~WininetFtpClient(void);

public:
    bool ConncetServer(const wstring & strServer, const wstring & strAccount, const wstring & strPswd);
    bool PostFile(const wstring & srcPath, const wstring & ftpPath);
    bool FindSpecificDirectoy(const wstring & filePath);

private:
    bool DownLoad(const char *Url, const char * filePathName);
    LPVOID    m_hSession;
    LPVOID    m_hConnect;
};

#include "WininetFtpClient.h"
#include <wininet.h>
#include  <io.h>
#pragma comment(lib,"Wininet.lib")



int SplitString(const wstring& strSrc, const wstring& strSplit, vector<wstring>& vecResult)
{
    int pos = strSrc.find(strSplit, 0);
    if (pos == -1)
    {
        return 0;
    }

    int startPos = 0;
    int splitN = pos;
    wstring lineText(_T(""));

    while (pos > -1)
    {
        lineText = strSrc.substr(startPos, splitN);
        startPos = pos + strSplit.length();
        pos = strSrc.find(strSplit, startPos);
        splitN = pos - startPos;
        vecResult.push_back(lineText);
    }

    splitN = strSrc.length() - startPos;
    if (splitN > 0) 
    {
        lineText = strSrc.substr(startPos, splitN);
        vecResult.push_back(lineText);
    }

    return vecResult.size();
}


WininetFtpClient::WininetFtpClient(void)
{

}


WininetFtpClient::~WininetFtpClient(void)
{
    if (m_hSession)
    {
        InternetCloseHandle(m_hSession);
    }

    if (m_hConnect)
    {
        InternetCloseHandle(m_hConnect);
    }
}


bool WininetFtpClient::ConncetServer(const wstring & strServer, const wstring & strAccount, const wstring & strPswd)
{
    m_hSession = InternetOpen(TEXT("UpdDemo"), INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);
    if (!m_hSession)
    {
        DWORD error = ::GetLastError();
        char stroutput[MAX_PATH] = ""; 
        sprintf(stroutput, "m_hSession is NULL error code %d", error);
        ::OutputDebugStringA(stroutput);

        return false;
    }

    m_hConnect = ::InternetConnect(m_hSession, strServer.c_str(), INTERNET_DEFAULT_FTP_PORT, 
        strAccount.c_str(), strPswd.c_str(), INTERNET_SERVICE_FTP, NULL, NULL);
    if (!m_hConnect)
    {
        DWORD error = ::GetLastError();
        char stroutput[MAX_PATH] = ""; 
        sprintf(stroutput, "m_hConnect is NULL error code %d", error);
        ::OutputDebugStringA(stroutput);

        return false;
    }
    return true;
}

//fun:send file to ftp sever
//parmeter:srcPath, source file path; ftpPath, ftp server path as root directory
bool WininetFtpClient::PostFile(const wstring & srcPath, const wstring & ftpPath)
{
    ::OutputDebugString(srcPath.c_str());
    if (!m_hSession || !m_hConnect)
    {
        return false;
    }

//#define TEST_FTP_API
#ifdef TEST_FTP_API
    BOOL bSuccess = FtpSetCurrentDirectory(m_hConnect, L"cdn.xxx.cn/upload/xxx/xxx/test"); //设置当前目录失败，返回异步重叠错误，后来无视这个问题，直接传送文件

    //非阻塞直接用
    FindSpecificDirectoy(m_strDestDir);
#endif

    vector <wstring> pathVect;
    SplitString(srcPath, L"\\", pathVect);
    if (pathVect.empty())
    {
        ::OutputDebugString(L"pathVect is empty");
        return false;      //为空，路径有问题
    }
    vector<wstring>::iterator iter = pathVect.end() - 1;    //取最后一个元素是exe名称
    wstring strExeName(*iter);
    strExeName = ftpPath + L"/" + strExeName;
    DWORD dwContext = 0;
    if (!FtpPutFile(m_hConnect, srcPath.c_str(), strExeName.c_str(), FTP_TRANSFER_TYPE_BINARY, dwContext))
    {
        DWORD error = GetLastError();
        return false;
    }
    return true;
}


bool WininetFtpClient::FindSpecificDirectoy(const wstring & filePath)
{
    vector <wstring> pathVect;
    SplitString(filePath, L"/", pathVect);

    WIN32_FIND_DATA findData;
    HINTERNET  hDirectory = m_hConnect;
    vector <wstring>::iterator iter = pathVect.begin();
    for(int i = 0; iter != pathVect.end(); iter++, i++)
    {

        hDirectory = FtpFindFirstFile(hDirectory, iter->c_str(), &findData, 0, 0);
        while(InternetFindNextFile(hDirectory, &findData))
        {

        }
        if (!hDirectory)
        {
            DWORD error = ::GetLastError();
            return false;
        }
    }
    return true;
}

main

#include "WininetFtpClient.h"


int WINAPI _tWinMain(HINSTANCE hInstance, HINSTANCE /*hPrevInstance*/, LPTSTR lpstrCmdLine, int nCmdShow)
{

    WininetFtpClient  winclient;
    if (!winclient.ConncetServer(L"188.169.45.190", L"account", L"password"))
    {
        return 0;
    }
    winclient.PostFile(_T("D:\\test.txt"), L"ftpDirectory/");

    return 1;
}

代码下载资源：

http://download.csdn.net/detail/sundan308/6487155