在ASP.NET中显示XML内容(以常见的公告栏为例)
之前写过一片类似的文章,被R2仁兄指点了一番,发现里面有问题,所以就重新整理了一个,并调试通过,这个网上类似的也很多,只是自己想整理一下,以后就不用再找了。
1. 公告栏(新闻列表)
newslist.xml
<?xml version="1.0" encoding="GB2312"?>
<topiclist type="AspCool News">
<topic>
<title>第一条新闻</title>
<href>main.aspx?name=news1</href>
</topic>
<topic>
<title>第二条新闻</title>
<href>main.aspx?name=new2</href>
</topic>
</topiclist>
<topiclist type="AspCool News">
<topic>
<title>第一条新闻</title>
<href>main.aspx?name=news1</href>
</topic>
<topic>
<title>第二条新闻</title>
<href>main.aspx?name=new2</href>
</topic>
</topiclist>
shownewslist.aspx
<%@ Import Namespace="System"%>
<%@ Page Language="C#" Debug="true" codepage="936"%>
<%@ Import Namespace="System.IO" %>
<%@ Assembly Name="System.Xml" %>
<%@ Import Namespace="System.Xml" %>
<%@ Import Namespace="System.Xml.Xsl" %>
<html>
<head>
<title>
</title>
<script language="c#" runat="server">
public string xslt()
{
StringWriter writer = new StringWriter();
//装入xml对象
XmlDocument xmldoc= new XmlDocument();
xmldoc.Load(Server.MapPath("newslist.xml"));
//装入xsl对象
XslTransform xsldoc = new XslTransform();
xsldoc.Load(Server.MapPath("newslist.xsl"));
//把xml转化成html页面
DocumentNavigator nav= new DocumentNavigator(xmldoc);
xsldoc.Transform(nav,null,writer);
return writer.ToString();
}
</script>
</head>
<body>
<%=xslt()%>
</body></html>
<%@ Page Language="C#" Debug="true" codepage="936"%>
<%@ Import Namespace="System.IO" %>
<%@ Assembly Name="System.Xml" %>
<%@ Import Namespace="System.Xml" %>
<%@ Import Namespace="System.Xml.Xsl" %>
<html>
<head>
<title>
</title>
<script language="c#" runat="server">
public string xslt()
{
StringWriter writer = new StringWriter();
//装入xml对象
XmlDocument xmldoc= new XmlDocument();
xmldoc.Load(Server.MapPath("newslist.xml"));
//装入xsl对象
XslTransform xsldoc = new XslTransform();
xsldoc.Load(Server.MapPath("newslist.xsl"));
//把xml转化成html页面
DocumentNavigator nav= new DocumentNavigator(xmldoc);
xsldoc.Transform(nav,null,writer);
return writer.ToString();
}
</script>
</head>
<body>
<%=xslt()%>
</body></html>
2. 每条新闻的显示同理
3.怎么样新建一条新闻
news1.xml
<?xml version="1.0" encoding="GB2312"?>
<document>
<title>aspcool news!</title>
<abstract>test news</abstract>
<author>feiying</author>
<content>
<paragraph>The firet test</paragraph>
</content>
</document>
<document>
<title>aspcool news!</title>
<abstract>test news</abstract>
<author>feiying</author>
<content>
<paragraph>The firet test</paragraph>
</content>
</document>
新建news1.xml的方法
private void btnGetXml_Click(object sender, System.EventArgs e)
{
stirng filename=this.txtfilename.Test;
string title=this.txttitle.Text;
string abstract=this.txtabstract.Text;
string author=this.txtauthor.Text;
string content=this.txtcontent.Text;
//判断文件是否存在
if(File.Exists(Server.MapPath(filename+".xml")))
{
Response.Write("文件名已经存在,请重选文件名。");
Response.End() ;
}
else
{
//create news1.xml
System.Xml.XmlTextWriter myWriter=new XmlTextWriter(filename+".xml",null);
myWriter.WriteProcessingInstruction("xml","version='1.0'");
myWriter.WriteStartElement("content");
myWriter.WriteAttributeString("type","whitePaper");
//
myWriter.WriteStartElement("document");
myWriter.WriteElementString("title",title);
myWriter.WriteElementString("abstract",abstract);
myWriter.WriteElementString("author",author);
myWriter.WriteElementString("content",content);
//
myWriter.WriteEndElement();
myWriter.Flush();
myWriter.Close();
}
}
{
stirng filename=this.txtfilename.Test;
string title=this.txttitle.Text;
string abstract=this.txtabstract.Text;
string author=this.txtauthor.Text;
string content=this.txtcontent.Text;
//判断文件是否存在
if(File.Exists(Server.MapPath(filename+".xml")))
{
Response.Write("文件名已经存在,请重选文件名。");
Response.End() ;
}
else
{
//create news1.xml
System.Xml.XmlTextWriter myWriter=new XmlTextWriter(filename+".xml",null);
myWriter.WriteProcessingInstruction("xml","version='1.0'");
myWriter.WriteStartElement("content");
myWriter.WriteAttributeString("type","whitePaper");
//
myWriter.WriteStartElement("document");
myWriter.WriteElementString("title",title);
myWriter.WriteElementString("abstract",abstract);
myWriter.WriteElementString("author",author);
myWriter.WriteElementString("content",content);
//
myWriter.WriteEndElement();
myWriter.Flush();
myWriter.Close();
}
}
4.怎么样修改现有的newslist.xml
每增加一条新闻,就要在newslist.xml里加上一条
private void Updatenewslist(string title,string href)
{
//add new nodes to newslist.xml
XmlDocument myDocument=new XmlDocument();
myDocument.Load("newslist.xml");
XmlElement topiclist=(XmlElement)myDocument.GetElementsByTagName("topiclist");
XmlElement topic=myDocument.CreateElement("topic");
XmlElement title= topic.CreateElement("title");
title.InnerText=title;
topic.AppendChild(title);
xmlElement href=topic.CreateElement("href");
href.InnerText=href;
topic.AppendChild(href);
topiclist.PrependChild(topic);
myDocument.Save("newslist.xml");
}
{
//add new nodes to newslist.xml
XmlDocument myDocument=new XmlDocument();
myDocument.Load("newslist.xml");
XmlElement topiclist=(XmlElement)myDocument.GetElementsByTagName("topiclist");
XmlElement topic=myDocument.CreateElement("topic");
XmlElement title= topic.CreateElement("title");
title.InnerText=title;
topic.AppendChild(title);
xmlElement href=topic.CreateElement("href");
href.InnerText=href;
topic.AppendChild(href);
topiclist.PrependChild(topic);
myDocument.Save("newslist.xml");
}