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在for循环中,我可以构造一个字符串。通过字符串获取小部件
foreach (...) {
QString str = "pushButton" + QString::number(count);
// this gives pushButton1
// Now I want to get the button widget that has this string as it's variable name
// and modify it in some way, e.g. change it's button caption
str->setText("New Title");
count ++;
}
这可能吗?如果是这样,那么如何
编辑:以下是我创建的按钮
for (int i=0; i<total; i++) {
QPushButton *btn = new QPushButton();
btn->setObjectName("pushButton" + QString::number(i));
ui->horizontalLayout->addWidget(btn);
}
您是如何创建按钮的? – eyllanesc
Hi @eyllanesc。我在循环中以编程方式创建它,并用循环变量分配它们的名称。 – GeneCode
您是否已将父级传递给按钮? – eyllanesc