QSpinBox{

Padding-right:20px;

Border:3px solid green;

Min-width:40px;

}

//向上按鈕

QSpinBox::up-button{

Subcontrol-origin:border;

Subcontrol-position:top right;

}

QSpinBox::up-button:hover{

}

QSpinBox::up-button:pressed{

}

//向上按鈕裡的小箭頭

QSpinBox::up-arrow{

}

//向下按鈕

QSpinBox::down-button{

Subcontrol-origin:border;

Subcontrol-position:top right;

}

QSpinBox::down-button:hover{

}

QSpinBox::down-button:pressed{

}

//向下按鈕裡的小箭頭

QSpinBox::down-arrow{

}