/// <summary>
/// 读取XML
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void testReadXmlBtn_Click(object sender, EventArgs e)
{
//读取XML方法一：节点名+属性名取值
//string value = xml.SearchWords("student5", "姓名");
//txtXML.AppendText(value + "\r\n");
//读取XML方法二：已知属性名，属性值，然后获取其他属性值
string[] values = xml.SearchWords("姓名", "张三", "学号");
foreach (string item in values)
{
txtXML.AppendText(item);
}
}