Button 按钮 ​

<q-button type="high-low">高低按钮</q-button>
<q-button type="high-shallow">凹凸按钮</q-button>
<q-button type="low-shallow">浅凹凸按钮</q-button>
<q-button type="flat-shallow">内陷按钮</q-button>