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PB使用WININET的FTP方式自动更新(三、获得要更新的文件数)

王朝system·作者佚名  2006-01-09
窄屏简体版  字體: |||超大  

三、获得要更新的文件数

(只是处理二级目录)

global type f_connect_ftpcount from function_object

end type

forward prototypes

global function integer f_connect_ftpcount ()

end prototypes

global function integer f_connect_ftpcount ();

do while yield()

loop

string ls_directorya1,ls_directorya2

ls_directorya2 = gs_application_path

string ls_directoryb1,ls_directoryb2

string ls_filename1,ls_filename2

long ll_hret

long ll_hftp1

long ll_hftp2

long ll_fftp1

long ll_fftp2

integer li_ret

long ll_filehandle1,ll_filehandle2

long ll_k

boolean lb_success

s_WIN32_FIND_DATA ss_file1,ss_file2

li_ret = f_connect_ftpserver()

if li_ret = -1 then return -1

ll_hret = InternetOpenA(gs_application_name,0,'','',0)

choose case li_ret

case 1

ls_directorya1 = GS_FTPDIR1

ll_hftp1 = InternetConnectA(ll_hret,GS_FTPSERVER1,GL_FTPLOGINPORT1,GS_FTPLOGINUSER1,GS_FTPLOGINPASS1,1,0,0)

case 2

ls_directorya1 = GS_FTPDIR2

ll_hftp1 = InternetConnectA(ll_hret,GS_FTPSERVER2,GL_FTPLOGINPORT2,GS_FTPLOGINUSER2,GS_FTPLOGINPASS2,1,0,0)

case 3

ls_directorya1 = GS_FTPDIR3

ll_hftp1 = InternetConnectA(ll_hret,GS_FTPSERVER3,GL_FTPLOGINPORT3,GS_FTPLOGINUSER3,GS_FTPLOGINPASS3,1,0,0)

case else

InternetCloseHandle(ll_hret);

return -1

end choose

lb_success = FtpSetCurrentDirectoryA(ll_hftp1,ls_directorya1)

if not lb_success then

InternetCloseHandle(ll_hret);

InternetCloseHandle(ll_hftp1);

return -1

end IF

ll_fftp1 = FtpFindFirstFileA(ll_hftp1,'',ss_file1,0,0)

if ll_fftp1 = 0 then

InternetCloseHandle(ll_hret);

InternetCloseHandle(ll_hftp1);

InternetCloseHandle(ll_fftp1);

return 0

end if

ll_k = 0

if ss_file1.dwFileAttributes = 16 then

ls_directoryb1 = ls_directorya1 + '/' + ss_file1.cfilename

ls_directoryb2 = ls_directorya2 + '\' + ss_file1.cfilename

if directoryexists(ls_directoryb2) = false then

ll_k++

end if

choose case li_ret

case 1

ll_hftp2 = InternetConnectA(ll_hret,GS_FTPSERVER1,GL_FTPLOGINPORT1,GS_FTPLOGINUSER1,GS_FTPLOGINPASS1,1,0,0)

case 2

ll_hftp2 = InternetConnectA(ll_hret,GS_FTPSERVER2,GL_FTPLOGINPORT2,GS_FTPLOGINUSER2,GS_FTPLOGINPASS2,1,0,0)

case 3

ll_hftp2 = InternetConnectA(ll_hret,GS_FTPSERVER3,GL_FTPLOGINPORT3,GS_FTPLOGINUSER3,GS_FTPLOGINPASS3,1,0,0)

end choose

lb_success = FtpSetCurrentDirectoryA(ll_hftp2,ls_directoryb1)

if lb_success then

ll_fftp2 = FtpFindFirstFileA(ll_hftp2,'',ss_file1,0,0)

ls_filename2 = ls_directoryb2 + '\' + ss_file1.cfilename

if fileexists(ls_filename2) = false then

ll_k++

else

ll_filehandle2 = FindFirstFileA(ls_filename2,ss_file2)

FindClose(ll_filehandle2)

choose case CompareFileTime(ss_file1.ftlastwritetime,ss_file2.ftlastwritetime)

case 0

//两个时间相等,就返回零

case 1

//如lpFileTime2小于lpFileTime1,返回1

//下载

ll_k++

case -1

//如lpFileTime1小于lpFileTime2,返回-1

end choose

end if

do while InternetFindnextFileA(ll_fftp2, ss_file1)

yield()

ls_filename2 = ls_directoryb2 + '\' + ss_file1.cfilename

if fileexists(ls_filename2) = false then

ll_k++

else

ll_filehandle2 = FindFirstFileA(ls_filename2,ss_file2)

FindClose(ll_filehandle2)

choose case CompareFileTime(ss_file1.ftlastwritetime,ss_file2.ftlastwritetime)

case 0

//两个时间相等,就返回零

case 1

//如lpFileTime2小于lpFileTime1,返回1

//下载

ll_k++

case -1

//如lpFileTime1小于lpFileTime2,返回-1

end choose

end if

loop

InternetCloseHandle(ll_hftp2);

InternetCloseHandle(ll_fftp2);

end if

else

ls_filename2 = ls_directorya2 + '\' + ss_file1.cfilename

if fileexists(ls_filename2) = false then

ll_k++

else

ll_filehandle2 = FindFirstFileA(ls_filename2,ss_file2)

FindClose(ll_filehandle2)

choose case CompareFileTime(ss_file1.ftlastwritetime,ss_file2.ftlastwritetime)

case 0

//两个时间相等,就返回零

case 1

//如lpFileTime2小于lpFileTime1,返回1

//下载

ll_k++

case -1

//如lpFileTime1小于lpFileTime2,返回-1

end choose

end if

end if

do while InternetFindnextFileA(ll_fftp1, ss_file1)

yield()

if ss_file1.dwFileAttributes = 16 then

ls_directoryb1 = ls_directorya1 + '/' + ss_file1.cfilename

ls_directoryb2 = ls_directorya2 + '\' + ss_file1.cfilename

if directoryexists(ls_directoryb2) = false then

ll_k++

end if

choose case li_ret

case 1

ll_hftp2 = InternetConnectA(ll_hret,GS_FTPSERVER1,GL_FTPLOGINPORT1,GS_FTPLOGINUSER1,GS_FTPLOGINPASS1,1,0,0)

case 2

ll_hftp2 = InternetConnectA(ll_hret,GS_FTPSERVER2,GL_FTPLOGINPORT2,GS_FTPLOGINUSER2,GS_FTPLOGINPASS2,1,0,0)

case 3

ll_hftp2 = InternetConnectA(ll_hret,GS_FTPSERVER3,GL_FTPLOGINPORT3,GS_FTPLOGINUSER3,GS_FTPLOGINPASS3,1,0,0)

end choose

lb_success = FtpSetCurrentDirectoryA(ll_hftp2,ls_directoryb1)

if lb_success then

ll_fftp2 = FtpFindFirstFileA(ll_hftp2,'',ss_file1,0,0)

ls_filename2 = ls_directoryb2 + '\' + ss_file1.cfilename

if fileexists(ls_filename2) = false then

ll_k++

else

ll_filehandle2 = FindFirstFileA(ls_filename2,ss_file2)

FindClose(ll_filehandle2)

choose case CompareFileTime(ss_file1.ftlastwritetime,ss_file2.ftlastwritetime)

case 0

//两个时间相等,就返回零

case 1

//如lpFileTime2小于lpFileTime1,返回1

//下载

ll_k++

case -1

//如lpFileTime1小于lpFileTime2,返回-1

end choose

end if

do while InternetFindnextFileA(ll_fftp2, ss_file1)

yield()

ls_filename2 = ls_directoryb2 + '\' + ss_file1.cfilename

if fileexists(ls_filename2) = false then

ll_k++

else

ll_filehandle2 = FindFirstFileA(ls_filename2,ss_file2)

FindClose(ll_filehandle2)

choose case CompareFileTime(ss_file1.ftlastwritetime,ss_file2.ftlastwritetime)

case 0

//两个时间相等,就返回零

case 1

//如lpFileTime2小于lpFileTime1,返回1

//下载

ll_k++

case -1

//如lpFileTime1小于lpFileTime2,返回-1

end choose

end if

loop

InternetCloseHandle(ll_hftp2);

InternetCloseHandle(ll_fftp2);

end if

else

ls_filename2 = ls_directorya2 + '\' + ss_file1.cfilename

if fileexists(ls_filename2) = false then

ll_k++

else

ll_filehandle2 = FindFirstFileA(ls_filename2,ss_file2)

FindClose(ll_filehandle2)

choose case CompareFileTime(ss_file1.ftlastwritetime,ss_file2.ftlastwritetime)

case 0

//两个时间相等,就返回零

case 1

//如lpFileTime2小于lpFileTime1,返回1

//下载

ll_k++

case -1

//如lpFileTime1小于lpFileTime2,返回-1

end choose

end if

end if

loop

InternetCloseHandle(ll_hret);

InternetCloseHandle(ll_hftp1);

InternetCloseHandle(ll_fftp1);

return ll_k

end function

 
 
 
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