XML文件如下
<?xml version="1.0" encoding="GB2312" ?>
<Areas>
<area>
<Name>三门峡</Name>
</area>
<area>
<Name>郑州</Name>
</area>
<area>
<Name>新乡</Name>
</area>
</Areas>
遍历代码(1):
XmlDocument xml = new XmlDocument();
xml.Load("***.xml");
XmlNodeList areaList = xml.SelectNodes("/Areas/area/Name");
for (int i = 0; i < areaList.Count; i++)
{
richTextBox1.Text += areaList[i].InnerText.Trim() + "\r\n";
}
遍历代码(2)
XmlDocument xml = new XmlDocument();
xml.Load("***.xml");
XmlNodeList areaList = xml.SelectNodes("//Name");
for (int i = 0; i < areaList.Count; i++)
{
richTextBox1.Text += areaList[i].InnerText.Trim() + "\r\n";
}
两段代码的区别是:(1)从根节按照指定结构(节点层次顺序)需找 Name 节点
(2)忽略节点位置,遍历所有 Name节点