转载：How to create a simple webservice using qt and libqxt

使用postEvent(new QxtWebPageEvent(event->sessionID,event->requestID,DEFAULT_MESSAGE));来向客户端发送应答。

https://sites.google.com/a/embeddedlab.org/community/technical-articles/qt/qt-posts/howtocreateasimplewebserviceusingqtandlibqxt

亮点 ：

void WebService::indexRequested(QxtWebRequestEvent *event)

{

qDebug() << "Request Headers: ";

QHash::const_iterator i = event->headers.constBegin();

while (i != event->headers.constEnd()) {

qDebug() << i.key() << ": " << i.value();

++i;

}

if (event->method.compare("POST")==0) {

QxtWebContent *myContent = event->content;

qDebug() << "Bytes to read: " << myContent->unreadBytes();

myContent->waitForAllContent();

QByteArray requestContent = myContent->readAll();

qDebug() << "Content: ";

qDebug() << requestContent;

parser->parseSOAP(requestContent);

QString num1 = parser->getNumber1();

QString num2 = parser->getNumber2();

QString sum;

if (num1!="" && num2!="") {

sum.setNum(num1.toInt()+num2.toInt());

QString bodyMessage = buildResponse(sum,"add");

qDebug() << bodyMessage;

postEvent(newQxtWebPageEvent(event->sessionID,

event->requestID,

bodyMessage.toUtf8()));

} else {

QString errorXml = buildResponse("0","add");

postEvent(new QxtWebPageEvent(event->sessionID,

event->requestID,

errorXml.toUtf8()));

}

} else if (event->method.compare("GET")==0) {

postEvent(new QxtWebPageEvent(event->sessionID,

event->requestID,

DEFAULT_MESSAGE));

}

}

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