(MFC) Send XMLHttpRequest and Get Response

Demonstrates how to send an HTTP XML request and retrieve the response.

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkHttp.h>
#include <CkHttpResponse.h>

void ChilkatSample(void)
    {
    CkString strOut;

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkHttp http;

    // The XML sent in the body of the request is application
    // specified -- it should contain whatever the server-side
    // application is expecting..
    const char *xmlStr = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><appXml><something>123</something></appXml>";

    // The PostXml method may be called to send the XMLHttpRequest
    // using the "POST" HTTP method (also known as "verb").
    const char *urlEndpoint = "http://www.chilkatsoft.com/xmlEcho.asp";
    const char *xmlCharset = "utf-8";

    CkHttpResponse *resp = 0;
    resp = http.PostXml(urlEndpoint,xmlStr,xmlCharset);
    if (http.get_LastMethodSuccess() != true) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // The raw HTTP request sent by the above call is:

    // POST /xmlEcho.asp HTTP/1.1
    // Content-Type: text/xml
    // Host: www.chilkatsoft.com
    // Accept: */*
    // Accept-Charset: ISO-8859-1,utf-8;q=0.7,*; q=0.7
    // Accept-Language: en-us,en;q=0.5
    // Accept-Encoding: gzip
    // Content-Length: 81
    // 
    // <?xml version="1.0" encoding="UTF-8"?><appXml><something>123</something></appXml>

    // Examine the Body of the HTTP response
    // This would be the XML response sent by the server.
    strOut.append(resp->bodyStr());
    strOut.append("\r\n");

    delete resp;


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }