QLineEdit 在初始化的时候如何获取其他类的成员变量?
就是例如有两个类
--- a.h ---
class a : public QMainWindow
{
a(QWidget *parent = 0);
QString test;
}
--- a.cpp ---
a:a(QWidget * parent) : QMainWindow(parent)
{
test = "hello";
b * bb = new b(this);
b.exec();
}
--- b.h ---
class b : public QDialog
{
b(QWidget *parent = 0);
QLineEdit * edit;
}
--- b.cpp ---
b:b(QWidget * parent) : QDialog(parent)
{
edit = new QLineEdit();
// 之后怎么让它显示test的内容?
}