图标左文字右

方法一

QPushButton {
    padding: 8px;    //根据自己需求修改
    text-align: right;
    background-position: left;
    background-image: url(:/icon.png);
    background-repeat: repeat-no-repeat;
    background-origin:content;
}

方法二

QPushButton {
    text-align: left;
    qproperty-icon: url(:/icon.png);
    qproperty-iconSize: 24px 24px;
}

图标右文字左

QPushButton {
    padding: 8px;
    text-align: left;
    background-position: right;
    background-image: url(:/icon.png);
    background-repeat: repeat-no-repeat;
    background-origin:content;
}

图标上文字下

QPushButton {
    padding: 5px;
    min-height: 40px;
    text-align: bottom;
    background-position: top;
    background-image: url(:/icon.png);
    background-repeat: repeat-no-repeat;
    background-origin:content;
}

图标下文字上

QPushButton {
    padding: 5px;
    min-height: 40px;
    text-align: top;
    background-position: bottom;
    background-image: url(:/icon.png);
    background-repeat: repeat-no-repeat;
    background-origin:content;
}