分类: IT职场
2014-10-01 00:04:20
XML文件名为bcastr.xml
XmlNodeList xnl = xmlDoc.SelectSingleNode("bcaster").ChildNodes;
foreach (XmlNode xn in xnl)
{
XmlElement xe = (XmlElement)xn;
if (xe.GetAttribute("id") == aid)//假定节点存正在则改写
{
xe.SetAttribute("item_url", picpath);
xe.SetAttribute("link", htmlpath);
xe.SetAttribute("itemtitle", title);
break;
}
}
减减节点的函数:
/// 将图片新闻信息写进到图片新闻播放器的XML文件散合
///
/// 图片途径
/// 图片新闻网址
/// 题目
public void WritePicNewsXML(string picpath, string htmlpath, string title,string aid)
{
XmlDocument xmlDoc;
xmlDoc = new XmlDocument();
xmlDoc.Load(HttpContext.Current.Server.MapPath("../PicNews/bcastr.xml"));
xmlDoc.Save(HttpContext.Current.Server.MapPath("../PicNews/bcastr.xml"));
//}
}
建正XML节点的属性的函数:
XmlElement fel = (XmlElement)rootnode.FirstChild;
XmlElement el = xmlDoc.CreateElement("item");//减减子节点及属性
el.SetAttribute("id", aid);
el.SetAttribute("item_url", picpath);
el.SetAttribute("link", htmlpath);
el.SetAttribute("itemtitle", title);
rootnode.PrependChild(el);//将新插足的图片新闻减减到第一个位置
if (xnl.Count > 5)
{
XmlNode lxn = rootnode.LastChild;
rootnode.RemoveChild(lxn);//删除终极尾的图片新闻
}
XmlNodeList xnl = xmlDoc.SelectSingleNode("bcaster").ChildNodes;
//if (xnl.Count <= 5)//保持首页图片新闻没有超出逾越5条
//{
XmlNode rootnode = xmlDoc.SelectSingleNode("bcaster");
///
/// 建正XML属性
///
///
///
///
///
public void EditPicNewsXML(string picpath, string htmlpath, string title, string aid)
{
XmlDocument xmlDoc;
xmlDoc = new XmlDocument();
xmlDoc.Load(HttpContext.Current.Server.MapPath("../PicNews/bcastr.xml"));
结构以下:
///
/// 删除XML指定节点
///
///
public void DelPicNewsXML(string aid)
{
XmlDocument xmlDoc;
xmlDoc = new XmlDocument();
xmlDoc.Load(HttpContext.Current.Server.MapPath("../PicNews/bcastr.xml"));
xmlDoc.Save(HttpContext.Current.Server.MapPath("../PicNews/bcastr.xml"));
}
删除指定的XML节点的函数:
XmlNodeList xnl = xmlDoc.SelectSingleNode("bcaster").ChildNodes;
foreach (XmlNode xn in xnl)
{
XmlElement xe = (XmlElement)xn;
if (xe.GetAttribute("id") == aid)//假定节点存正在删除
{
xe.RemoveAll();
break;
}
}
xmlDoc.Save(HttpContext.Current.Server.MapPath("../PicNews/bcastr.xml"));
}
以上为正在利用图片新闻播放器bactr时对其XML动态更新
本文来自CSDN专客,转载请标明出处:http://blog.csdn.net/j_jake/archive/2008/10/17/3092886.aspx