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GET /ajax/listen_system_channel.ashx?0.9341556213643114 HTTP/1.1
Accept: */*
Accept-Language: zh-cn
Referer: http://xxx.xxx.cn/
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; InfoPath.2; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)
Host: xxx.xxx.cn
Connection: Keep-Alive
Cookie: OXPYJ911=1207DD4D; cookies_login_state=user_id=2560F2C27F0FC02E4356D51B827A7204; ASP.NET_SessionId=zu2fmjaobt3zh055foo0xwus; AJSTAT_ok_times=28; AJSTAT_ok_pages=3
procedure TForm1.Button1Click(Sender: TObject);
begin
WebBrowser1.Navigate(Edit1.Text);
end;
procedure TForm1.WebBrowser1DocumentComplete(ASender: TObject;
const pDisp: IDispatch; var URL: OleVariant);
begin
memo1.Clear;
memo1.Text:=(WebBrowser1.document as ihtmldocument2).cookie; //要引用 Mshtml,
end;
procedure TForm1.Button2Click(Sender: TObject);
var
buf: array[0..1024*4-1] of Char;
size: DWORD;
begin
memo2.Clear;
InternetGetCookie(PChar(Edit1.Text), nil, buf, size); //要引用 wininet,
memo2.Text := buf;
end;
IdHTTP1.Request.UserAgent:='Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; InfoPath.2; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)';
IdHTTP1.Request.Accept := '*/*';
IdHTTP1.Request.AcceptLanguage := 'zh-cn';
IdHTTP1.Request.AcceptEncoding := 'gzip, deflate';
IdHTTP1.Request.Connection := 'Keep-Alive';
IdHTTP1.Request.CacheControl := 'no-cache';
IdHTTP1.Request.Referer:='http://xxx.xxx.cn/';
IdHTTP1.Request.CustomHeaders.Text := 'Cookie: ' + IECook;
IdHTTP1.HTTPOptions:=IdHTTP1.HTTPOptions+[hoKeepOrigProtocol];
IdHTTP1.ProtocolVersion:=pv1_1;
Memo1.text := IDhttp1.Get(URL.Text);
procedure InitHttp();
begin
http := TIdHTTP.Create(nil);
http.ReadTimeout := 30000;
http.OnRedirect := OnRedirect;
http.Request.Accept := 'image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, */*';
http.Request.AcceptLanguage := 'zh-cn';
http.Request.ContentType := 'application/x-www-form-urlencoded';
http.Request.UserAgent := 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; Maxthon; .NET CLR 1.1.4322)';
http.ProxyParams.ProxyServer := '代理服务器地址';
http.ProxyParams.ProxyPort := '代理服务器端口';
end;
如何取得服务端返回的cookie信息,并添加到http的request对象中
procedure Setcookie;
var
i: Integer;
tmp, cookie: String;
begin
cookie := '';
for i := 0 to http.Response.RawHeaders.Count - 1 do
begin
tmp := http.Response.RawHeaders[i];
if pos('set-cookie: ', LowerCase(tmp)) = 0 then Continue;
tmp := Trim(Copy(tmp, Pos('Set-cookie: ', tmp) + Length('Set-cookie: '), Length(tmp)));
tmp := Trim(Copy(tmp, 0, Pos(';', tmp) - 1));
if cookie = '' then cookie := tmp else cookie := cookie + '; ' + tmp;
end;
if cookie <> '' then
begin
for i := 0 to http.Request.RawHeaders.Count - 1 do
begin
tmp := http.Request.RawHeaders[i];
if Pos('cookie', LowerCase(tmp)) = 0 then Continue;
http.Request.RawHeaders.Delete(i);
Break;
end;
http.Request.RawHeaders.Add('cookie: ' + cookie);
end;
end;
如何取得网页中的所有连接,对代码做修改你也可以实现查找所有图片等等, QStrings.rar(79K) (点击下载)在这里推荐使用QString来实现文本替换、查找等功能,附件里有下载。
function GetURLList(Data: String): TStringList;
var
i: Integer;
List: TStringList;
tmp: String;
function Split(Data, Node: String): TStringList;
var
Count, i, j: Integer;
function GetFieldCount(Data, Node: String): Integer;
var
i: Integer;
begin
Result := -1;
i := Pos(Node, Data);
if i = 0 then Exit;
Result := 0;
while i <> 0 do
begin
Inc(Result);
Delete(Data, 1, i + Length(Node) - 1);
i := Pos(Node, Data);
end;
end;
begin
Result := TStringList.Create;
Count := GetFieldCount(Data, Node);
for i := 0 to Count - 1 do
begin
j := Pos(Node, Data);
Result.Add(Copy(Data, 1, j - 1));
Delete(Data, 1, j + Length(Node) - 1);
end;
Result.Add(Data);
end;
begin
Result := TStringList.Create;
try
List := split(Data, 'href=');
for i := 1 to List.Count - 1 do
begin
tmp := List[i];
tmp := Copy(tmp, 0, Pos('</a>', tmp) - 1);
tmp := Copy(tmp, 0, Pos('>', tmp) - 1);
if Pos(' ', tmp) <> 0 then tmp := Copy(tmp, 0, Pos(' ', tmp) - 1);
tmp := Q_ReplaceStr(tmp, Char(34), '');
tmp := Q_ReplaceStr(tmp, Char(39), '');
if not Compare(CI.Key, tmp) then Continue;
if Copy(tmp, 1, 7) <> 'http://' then
begin
if Copy(tmp, 1, 1) = '.' then tmp := StringReplace(tmp, '.', '', []);
if Copy(tmp, 1, 1) = '.' then tmp := StringReplace(tmp, '.', '', []);
try
tmp := 'http://' + http.URL.Host + ':' + http.URL.Port + http.URL.Path + tmp;
except
end;
end;
if Result.IndexOf(tmp) <> -1 then Continue;
Result.Add(tmp);
end;
FreeAndNil(List);
except
end;
end;
如何模拟http的get方法打开一个网页
function GetMethod(http: TIDhttp; URL: String; Max: Integer): String;
var
RespData: TStringStream;
begin
RespData := TStringStream.Create('');
try
try
Http.Get(URL, RespData);
Http.Request.Referer := URL;
Result := RespData.DataString;
except
Dec(Max);
if Max = 0 then
begin
Result := '';
Exit;
end;
Result := GetMethod(http, URL, Max);
end;
finally
FreeAndNil(RespData);
end;
end;
如何模拟http的post方法提交一个网页
function PostMethod(URL, Data: String; max: Integer): String;
var
PostData, RespData: TStringStream;
begin
RespData := TStringStream.Create('');
PostData := TStringStream.Create(Data);
try
try
if http = nil then Exit;
Http.Post(URL, PostData, RespData);
Result := RespData.DataString;
http.Request.Referer := URL;
except
Dec(Max);
if Max = 0 then
begin
Result := '';
Exit;
end;
Result := PostMethod(URL, Data, Max);
end;
finally
http.Disconnect;
FreeAndNil(RespData);
FreeAndNil(PostData);
end;
end;
procedure TForm1.Rzbtn1Click(Sender: TObject);
var
Response: TStringStream;
begin
with IdHTP1.Request do
begin
AcceptLanguage := 'zh-cn';
Referer := 'http://xxx.xxx.cn/';
AcceptEncoding := 'gzip, deflate';
UserAgent := 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; InfoPath.2; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)';
Host := 'xxx.xxx.cn';
Connection := 'Keep-Alive';
CustomHeaders.Text := 'Set-Cookie: OXPYJ911=1207DD4D; cookies_login_state=user_id=2560F2C27F0FC02E4356D51B827A7204; ASP.NET_SessionId=zu2fmjaobt3zh055foo0xwus; AJSTAT_ok_times=28; AJSTAT_ok_pages=3';
end;
try
Response := TStringStream.Create('');
try
IdHTP1.AllowCookies:=true;
IdHTP1.Get('http://xxx.xxx.cn/ajax/xxxx HTTP/1.1', Response);
Rzmm1.Text := Response.DataString;
finally
FreeAndNil(Response);
end;
except
ShowMessage('Error!');
end;
end;