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C/C++ 实现FTP文件上传下载(转)

2022年07月19日120zfyouxi

FTP文件下载

#include <stdio.h> 
#include <Windows.h> #include <WinInet.h> #pragma comment(lib, "WinInet.lib") BOOL Ftp_SaveToFile(char *pszFileName, BYTE *pData, DWORD dwDataSize) { HANDLE hFile = ::CreateFile(pszFileName, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_ARCHIVE, NULL); if (INVALID_HANDLE_VALUE == hFile) return FALSE; DWORD dwRet = 0; WriteFile(hFile, pData, dwDataSize, &dwRet, NULL); CloseHandle(hFile); return TRUE; } BOOL FTP_Download(char *szHostName, char *szUserName, char *szPassword, char *szUrlPath,char *SavePath) { HINTERNET hInternet, hConnect, hFTPFile = NULL; BYTE *pDownloadData = NULL; DWORD dwDownloadDataSize = 0; BYTE *pBuf = NULL; DWORD dwBytesReturn = 0; DWORD dwOffset = 0; BOOL bRet = FALSE; hInternet = InternetOpen("WinInet Ftp", INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0); hConnect = InternetConnect(hInternet, szHostName, INTERNET_INVALID_PORT_NUMBER, szUserName, szPassword, INTERNET_SERVICE_FTP, INTERNET_FLAG_PASSIVE, 0); hFTPFile = FtpOpenFile(hConnect, szUrlPath, GENERIC_READ, FTP_TRANSFER_TYPE_BINARY | INTERNET_FLAG_RELOAD, NULL); dwDownloadDataSize = FtpGetFileSize(hFTPFile, NULL); pDownloadData = new BYTE[dwDownloadDataSize]; RtlZeroMemory(pDownloadData, dwDownloadDataSize); pBuf = new BYTE[4096]; RtlZeroMemory(pBuf, 4096); do { bRet = InternetReadFile(hFTPFile, pBuf, 4096, &dwBytesReturn); if (FALSE == bRet) break; RtlCopyMemory((pDownloadData + dwOffset), pBuf, dwBytesReturn); dwOffset = dwOffset + dwBytesReturn; } while (dwDownloadDataSize > dwOffset); Ftp_SaveToFile(SavePath, pDownloadData, dwDownloadDataSize); delete[]pDownloadData; pDownloadData = NULL; return TRUE; } 

FTP文件上传

BOOL FTP_Upload(char *szHostName, char *szUserName, char *szPassword, char *szUrlPath, char *FilePath) { HINTERNET hInternet, hConnect, hFTPFile = NULL; DWORD dwBytesReturn = 0; DWORD UploadDataSize = 0; BYTE *pUploadData = NULL; DWORD dwRet, bRet = 0; hInternet = ::InternetOpen("WinInet Ftp Upload V1.0", INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0); hConnect = ::InternetConnect(hInternet, szHostName, INTERNET_INVALID_PORT_NUMBER, szUserName, szPassword, INTERNET_SERVICE_FTP, INTERNET_FLAG_PASSIVE, 0); hFTPFile = ::FtpOpenFile(hConnect, szUrlPath, GENERIC_WRITE, FTP_TRANSFER_TYPE_BINARY | INTERNET_FLAG_RELOAD, NULL); HANDLE hFile = ::CreateFile(FilePath, GENERIC_READ | GENERIC_WRITE,FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING,FILE_ATTRIBUTE_ARCHIVE, NULL); if (INVALID_HANDLE_VALUE == hFile) return FALSE; UploadDataSize = ::GetFileSize(hFile, NULL); pUploadData = new BYTE[UploadDataSize]; ::ReadFile(hFile, pUploadData, UploadDataSize, &dwRet, NULL); UploadDataSize = dwRet; bRet = ::InternetWriteFile(hFTPFile, pUploadData, UploadDataSize, &dwBytesReturn); if (FALSE == bRet) { delete[]pUploadData; return FALSE; } delete[]pUploadData; return TRUE; } int main(int argc,char * argv[]) { // FTP主机地址 用户名 密码 上传到目标FTP目录 上传的本地文件 BOOL bRET = FTP_Upload("192.168.1.10", "lyshark", "123321", "/abc.exe","c://nc.exe"); printf("%d \n", bRET); system("pause"); return 0; } 

本文参考链接:https://www.cnblogs.com/xihong2014/p/15245879.html