Using the WinInet function to simply implement the FTP client __ function

#include <WinInet.h> #pragma comment (lib, "WinInet.lib")
BOOL Ftpupload (const string& strftphost, int nport, const string &struser, const string &strpwd, const STRI ng& strlocalfile, const string& strftpfile, String &strmsg) {BOOL dres,pres; Hinternet hinternet; Hinternet Hconnect;
const char *pftphost = STRFTPHOST.C_STR (); if (nport==0) {nport = internet_default_ftp_port} const char *pftpuser = STRUSER.C_STR (); const char *PFTPPWD = STRPWD.C_STR (); const char *plocalfile = STRLOCALFILE.C_STR (); const char *pftpfile = STRFTPFILE.C_STR ();
Hinternet = InternetOpen ("Dataclient", Internet_open_type_direct,null, NULL, internet_flag_no_cache_write); if (NULL = = hinternet) {//printf ("InternetOpen error:%d", GetLastError ()); STRMSG = "InternetOpen Error"; return false; }
Hconnect = InternetConnect (hinternet, Pftphost, Nport, Pftpuser, Pftppwd, Internet_service_ftp, INTERNET_FLAG_EXISTING _connect | | internet_flag_passive,0); if (NULL = = hinternet) {//printf ("InternetConnect error:%d", GetLastError ()); STRMSG = "InternetConnect Error"; InternetCloseHandle (hinternet); return false; }
Dres = FtpGetFile (Hconnect, "./usera/123.txt", "D:\\ftp123.txt", FALSE, File_attribute_archive, Ftp_transfer_type_ UNKNOWN, 0); if (Dres = = 0)//{//printf ("FtpGetFile Error:", GetLastError ()); //}
PRes = FtpPutFile (hconnect,plocalfile,pftpfile,ftp_transfer_type_binary,0); InternetCloseHandle (Hconnect); InternetCloseHandle (hinternet);
if (pres==0) {//printf ("upload file failed.) "); STRMSG = "FtpPutFile Error"; return false; }
Strmsg= "last Success"; return true; }