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C

HTTP POST x-www-form-urlencoded

Demonstrates how to send a simple x-www-form-urlencoded POST.

Chilkat C Downloads

C
#include <C_CkHttp.h>
#include <C_CkHttpRequest.h>
#include <C_CkHttpResponse.h>
#include <C_CkFileAccess.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkHttp http;
    const char *jsonStr;
    HCkHttpRequest req;
    HCkHttpResponse resp;
    const char *responseBody;
    HCkFileAccess fac;
    const char *filepath;

    success = FALSE;

    http = CkHttp_Create();

    jsonStr = "{ some json ... }";

    req = CkHttpRequest_Create();
    //  This query parameter just happens to be named "json" and contains JSON text.
    CkHttpRequest_AddParam(req,"json",jsonStr);

    //  We can optionally add more query parameters. 
    CkHttpRequest_AddParam(req,"abc","123");
    CkHttpRequest_AddParam(req,"xml","<abc>123</abc>");

    //  Note: Just because we passed a query param named "json" or "xml" means nothing special.  It's still just
    //  a name=value query parameter..

    CkHttpRequest_putHttpVerb(req,"POST");
    CkHttpRequest_putContentType(req,"application/x-www-form-urlencoded");

    resp = CkHttpResponse_Create();
    success = CkHttp_HttpReq(http,"http://example.com/xyz/connect/report",req,resp);
    if (success == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkHttpRequest_Dispose(req);
        CkHttpResponse_Dispose(resp);
        return;
    }

    if (CkHttpResponse_getStatusCode(resp) != 200) {
        printf("Hey, I didn't receive the expected response status code!\n");
        printf("status code = %d\n",CkHttpResponse_getStatusCode(resp));
    }

    //  Could be error text if the status code wasn't what we expected, or could be the response
    //  body you're seeking..
    responseBody = CkHttpResponse_bodyStr(resp);
    printf("%s\n",responseBody);

    fac = CkFileAccess_Create();
    filepath = "some file path";
    success = CkFileAccess_WriteEntireTextFile(fac,filepath,responseBody,"utf-8",FALSE);
    if (success != TRUE) {
        printf("%s\n",CkFileAccess_lastErrorText(fac));
    }



    CkHttp_Dispose(http);
    CkHttpRequest_Dispose(req);
    CkHttpResponse_Dispose(resp);
    CkFileAccess_Dispose(fac);

    }