遍历xml（打印节点名和属性）

【核心方法】

void traverseNode(QDomElement e) {
    QDomNamedNodeMap attrs = e.attributes();
    qDebug() << e.nodeName() << e.text();

    // 遍历属性
    for (int i = 0; i < attrs.count(); i++)
    {
        QDomNode attr =  attrs.item(i);
        if (!attr.isNull() && attr.isAttr()) {
            qDebug() << "-" << attr.nodeName() << attr.nodeValue();
        }
    }
    
    // 遍历子节点
    QDomNode child = e.firstChild();
    while (!child.isNull() && child.isElement())
    {
        QDomElement childele = child.toElement(); // try to convert the node to an element.
        traverseNode(childele);
        child = child.nextSibling();
    }
}

【调用】

QFile file("/Users/zdy/Desktop/My.xml");
QDomDocument document;
if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
    qDebug() << "Failed to open file";
    return;
}
else
{
    if (!document.setContent(&file))
    {
        qDebug() << "Failed to open document";
        return;
    }
    file.close();
}
QDomElement root = document.documentElement();
traverseNode(root);