QT5中XML的解析(QXmlStreamReader)

<?xml version="1.0" encoding="UTF-8"?>
<resp>
<city>北京</city>
<fengli>2级</fengli>
<shidu>21%</shidu>
<wendu>10</wendu>
......
</resp>

QXmlStreamReader xml(QString(上面的内容));

while(!xml.atEnd())
{
if(xml.hasError())
{
qDebug()<<"XML有误";
return;
}
else if(xml.isStartElement()) //遇到开始标签，如<city>
{
if(xml.name()=="city")
{
today.city = xml.readElementText();
}
else if(xml.name()=="wendu")
{
today.wendu = xml.readElementText();

xml.clear(); //读取完清理一下
return;
}
else //遇到不需要的标签，如<fengli>和<shidu>
xml.readNext();
}
else //遇到结束标签，<span style="font-family: Arial, Helvetica, sans-serif;">如</city></span>
xml.readNext();
}
xml.clear();