QThread中提示QObject: Cannot create children for a parent that is in a different thread.警告

运行线程时提示QObject: Cannot create children for a parent that is in a different thread.
查了查，原因应该是，在QThread中定义的所有东西都属于创建该QThread的线程。所以在构造函数中初始化的对象都应该是属于父线程的，那么在run中调用时就属于跨线程调用。所以把对象放到run中初始化就属于线程的了，调用时就不会出现跨线程调用的问题。