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delphi发送http请求示例(THttpCli组件示例)

2013年01月01日 ⁄ 综合 ⁄ 共 897字 ⁄ 字号 评论关闭

//发送请求

procedure TfrmMain.LocateExecute(Sender: TObject);
var
fFileInStream:TFileStream;
fStreamIn:TStringStream;
begin
fFileInStream:
=TFileStream.Create('c:/request.xml',fmOpenRead);
fStreamIn :
= TStringStream.Create('');
fStreamIn.CopyFrom(fFileInStream,fFileInStream.Size);

try
HttpCli.SendStream :
= TStringStream.Create(fStreamIn.DataString);
HttpCli.RcvdStream :
= TStringStream.Create('');

HttpCli.PostASync;
// MmoResponse.Text:='Request Finished,waiting for response...';
fFileInStream.Free;
fStreamIn.Free;
except
on e:Exception 
do
begin
ShowMessage(
'Exception Msg:'+ e.Message );
Exit;
end;
end;
end;

 

//收到回应

procedure TfrmMain.HttpCliRequestDone(Sender: TObject; RqType: THttpRequest;
ErrCode: Word);
var
varStream:TStringStream;
begin
varStream:
=TStringStream.Create('');
varStream:
=TStringStream(HttpCli.RcvdStream);
varStream.Seek(
0, soFromBeginning);
XML.LoadFromStream( varStream );
MmoResponse.Lines :
= XML.XML;
end;

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