Qt lesson 5 No constructor can accept source type, or the decision of constructor overloading is not clear
scene
QJsonArray rgParams = { 10, 20, 30, 40 };
Error compiling code, C11 standard only supports initialization list syntax of this class, so if the current version of VS is too low, you must adjust the existing code, for example:
QJsonArray rgParams;
rgParams.insert(0, 10);
rgParams.insert(1, 20);
rgParams.insert(2, 30);
rgParams.insert(3, 40);
