QUrlQuery query("foo=bar&baz=qux"); QString value = query.queryItemValue("foo"); qDebug() << value; // Output: bar
QUrl url("https://www.example.com/search?q=hello+world"); QUrlQuery query(url.query()); QString search = query.queryItemValue("q"); qDebug() << search; // Output: hello worldIn this example, a QUrl object is created with a URL containing a query string "q=hello+world". The QUrlQuery object is created with the query string from the URL using url.query(). The queryItemValue function is used to get the value of the item "q" which is then printed to the console. Package/Library: Qt framework in C++.