这个是检查http不知道对mms是不是有效 function CheckUrl(url: string; TimeOut: integer = 5000): boolean; var hSession, hfile, hRequest: hInternet; dwindex, dwcodelen: dword; dwcode: array[1..20] of char; res: pchar; re: integer; Err1: integer; j: integer; begin if pos('http://', lowercase(url)) = 0 then url := 'http://' + url; Result := false; InternetSetOption(hSession, Internet_OPTION_CONNECT_TIMEOUT, @TimeOut, 4); hSession := InternetOpen('Mozilla/4.0', INTERNET_OPEN_TYPE_PRECONFIG, nil, nil, 0); //设置超时 if assigned(hsession) then begin j := 1; while true do begin hfile := InternetOpenUrl(hsession, pchar(url), nil, 0, INTERNET_FLAG_RELOAD, 0); if hfile = nil then begin j := j + 1; Err1 := GetLastError; if j > 5 then break; if (Err1 <> 12002) or (Err1 <> 12152) then break; sleep(2); end else begin break; end; end; dwIndex := 0; dwCodeLen := 10; HttpQueryInfo(hfile, HTTP_QUERY_STATUS_CODE, @dwcode, dwcodeLen, dwIndex); res := pchar(@dwcode); re := strtointdef(res, 404); case re of 400..450: result := false; else result := true; end; if assigned(hfile) then InternetCloseHandle(hfile); InternetCloseHandle(hsession); end; end;
function CheckUrl(url: string; TimeOut: integer = 5000): boolean;
var
hSession, hfile, hRequest: hInternet;
dwindex, dwcodelen: dword;
dwcode: array[1..20] of char;
res: pchar;
re: integer;
Err1: integer;
j: integer;
begin
if pos('http://', lowercase(url)) = 0 then
url := 'http://' + url;
Result := false;
InternetSetOption(hSession, Internet_OPTION_CONNECT_TIMEOUT, @TimeOut, 4);
hSession := InternetOpen('Mozilla/4.0', INTERNET_OPEN_TYPE_PRECONFIG, nil, nil, 0);
//设置超时
if assigned(hsession) then
begin
j := 1;
while true do
begin
hfile := InternetOpenUrl(hsession, pchar(url), nil, 0, INTERNET_FLAG_RELOAD, 0);
if hfile = nil then
begin
j := j + 1;
Err1 := GetLastError;
if j > 5 then break;
if (Err1 <> 12002) or (Err1 <> 12152) then break;
sleep(2);
end
else begin
break;
end;
end;
dwIndex := 0;
dwCodeLen := 10;
HttpQueryInfo(hfile, HTTP_QUERY_STATUS_CODE, @dwcode, dwcodeLen, dwIndex);
res := pchar(@dwcode);
re := strtointdef(res, 404);
case re of
400..450: result := false;
else result := true;
end;
if assigned(hfile) then
InternetCloseHandle(hfile);
InternetCloseHandle(hsession);
end;
end;