(MFC) JSON Parsing with Sample Data for a Merchant/Payment Transaction

Demonstrates how to load the following JSON into a JSON object and access the values for this document:

{
"id":"8a829449561d9dcb01571dbee3b275b1",
"paymentType":"DB",
"paymentBrand":"VISA",
"amount":"156.00",
"currency":"EUR",
"merchantTransactionId":"E8A39B31-6FA3-4014-A195-3074DF5BF7A1",
"result":{
	"code":"000.100.110",
	"description":"Request successfully processed in 'Merchant in Integrator Test Mode'"
},
"resultDetails":{
	"ConnectorTxID3":"12311312",
	"ConnectorTxID1":"717473"
},
"card":{
	"bin":"420000",
	"last4Digits":"0000",
	"holder":"Andreas",
	"expiryMonth":"12",
	"expiryYear":"2018"
},
"risk":{
	"score":"100"
},
"buildNumber":"4b471ea5366e5e9c9a21392a39769f8d7b40b4e8@2016-09-08 13:31:54 +0000",
"timestamp":"2016-09-12 09:33:52+0000",
}

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

See Also: Using MFC CString in Chilkat

#include <CkJsonObject.h>

void ChilkatSample(void)
    {
    CkString strOut;

    CkJsonObject json;

    // Load the JSON into the object.
    // Call json.Load to load from a string rather than a file...
    bool success = json.LoadFile("qa_data/json/merchantPayment.json");
    // We are assuming success..

    // Get the easy stuff:
    strOut.append("id: ");
    strOut.append(json.stringOf("id"));
    strOut.append("\r\n");
    strOut.append("paymentType: ");
    strOut.append(json.stringOf("paymentType"));
    strOut.append("\r\n");
    strOut.append("currency: ");
    strOut.append(json.stringOf("currency"));
    strOut.append("\r\n");
    strOut.append("buildNumber: ");
    strOut.append(json.stringOf("buildNumber"));
    strOut.append("\r\n");

    // Get information that's nested within a sub-object:
    strOut.append("result: code: ");
    strOut.append(json.stringOf("result.code"));
    strOut.append("\r\n");
    strOut.append("result: description: ");
    strOut.append(json.stringOf("result.description"));
    strOut.append("\r\n");

    strOut.append("card: bin: ");
    strOut.append(json.stringOf("card.bin"));
    strOut.append("\r\n");
    strOut.append("card: last4Digits: ");
    strOut.append(json.stringOf("card.last4Digits"));
    strOut.append("\r\n");


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }