在Qt中设置要发送到服务器的请求字段

Question

I have a software which allows user to enter username and password, then submit a request which is sent to my sailsjs server where I want to read it using req.username and req.password .

How do you set the request? Currently I only know how to set header using QNetworkRequest.setRawHeader("username", username) , where server side will access using req.headers.username , which isn't what I want.

I'm doing this because I already have some codes in my server that reads username using req.username , so I need to find a way to set req fields. However I want to do it from my client side using Qt. Any help would be greatly appreciated. Thanks in advance.

Answer 1

Pass the username and password in jsonString

// Build your JSON string as usual
QByteArray jsonString = "{\"method\":\"AuthenticatePlain\",\"loginName\":\"username@domain.com\",\"password\":\"mypass\"}";

// For your "Content-Length" header
QByteArray postDataSize = QByteArray::number(jsonString.size());

// Time for building your request
QUrl serviceURL("https://www.superService.com/api/1.7/ssapi.asmx");
QNetworkRequest request(serviceURL);

// Add the headers specifying their names and their values with the following method : void QNetworkRequest::setRawHeader(const QByteArray & headerName, const QByteArray & headerValue);
request.setRawHeader("User-Agent", "My app name v0.1");
request.setRawHeader("X-Custom-User-Agent", "My app name v0.1");
request.setRawHeader("Content-Type", "application/json");
request.setRawHeader("Content-Length", postDataSize);

// Use QNetworkReply * QNetworkAccessManager::post(const QNetworkRequest & request, const QByteArray & data); to send your request. Qt will rearrange everything correctly.
QNetworkReply * reply = m_qnam->post(request, jsonString);

Correct format for HTTP POST using QNetworkRequest