擅长:python、mysql、java
<p>在两个间隔项之间添加标签。您的垂直布局也应该在其父窗口小部件中布局,这样它就可以获得父控件的全部大小。在</p>
<pre><code>QSpacerItem* verticalSpacer1 = new QSpacerItem(20, 40, QSizePolicy::Minimum, QSizePolicy::Expanding);
label = new QLabel(Form);
label->setAlignment(Qt::AlignCenter);
QSpacerItem* verticalSpacer2 = new QSpacerItem(20, 40, QSizePolicy::Minimum, QSizePolicy::Expanding);
verticalLayout->addItem(verticalSpacer1);
verticalLayout->addWidget(label);
verticalLayout->addItem(verticalSpacer2);
</code></pre>