用ASP.NET和XML做的新闻系统

王朝asp·作者佚名  2006-11-24
窄屏简体版  字體: |||超大  

这里我就用xml代替数据,写一个新闻发布系统,希望能够起到抛砖引玉的作用,使更多的人能够了解这些最新的技术。下面介绍这几个文件。

contents.xml

<?xml version="1.0" encoding="GB2312"?>

<topiclist type="AspCool News">

<topic>

<title>aspcool news!</title>

<href>main.aspx?name=hello</href>

</topic>

<topic>

<title>Resolve a problem</title>

<href>main.aspx?name=test</href>

</topic>

</topiclist>

这是一个很简单的xml文件,它的作用是用来显示新闻的列表。

hello.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>

这个文件是用来显示新闻的内容,其中各个意思大家一看就明白,我就不在这儿多说了。

下面给大家看新闻列表显示的页面。

news.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("Contents.xml"));

//装入xsl对象

XslTransform xsldoc = new XslTransform();

xsldoc.Load(Server.MapPath("news.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()%>

<p align="center">

该程序由<a href="http://www.webjx.com">www.webjx.com</a>设计制作.

</p>

</body>

</html>

这个页面完成了从xml通过xslt转化成html文件,也使我对于xslt有了进一步的认识。

下面是新闻内容显示的页面:

main.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();

XmlDocument xmldoc= new XmlDocument();

xmldoc.Load(Server.MapPath(Request["name"] +".xml"));

XslTransform xsldoc = new XslTransform();

xsldoc.Load(Server.MapPath("main.xsl"));

DocumentNavigator nav= new DocumentNavigator(xmldoc);

xsldoc.Transform(nav,null,writer);

return writer.ToString();

}

</script>

</head>

<body>

<%=xslt()%>

<p align="center">该程序由

<a href="http://www.webjx.com">www.webjx.com</a>设计制作</p>

</body>

</html>

这个功能和上面的一样,我在这儿就不多说了。

最后,大家来看一下最负责的一个页面,这个页面的作用就是用来建立新的xml数据。

manage.aspx

<%@ Import Namespace="System.Xml.Xsl" %>

<%@ Import Namespace="System.Xml" %>

<%@ Assembly Name="System.Xml" %>

<%@ Import Namespace="System.IO" %>

<%@ Page Language="C#" Debug="true" codepage="936"%>

<%@ Import Namespace="System"%>

<HTML>

<HEAD>

<script language="C#" runat="server">

public void Button1_Click(object sender, System.EventArgs e)

{

//判断文件是否存在

if(File.Exists(Server.MapPath(TextBox1.Text +".xml")))

{

Response.Write("文件名已经存在,请重选文件名。");

Response.End() ;

}

else

{

XmlNode currNode;

XmlDocument xmldoc = new XmlDocument();

xmldoc.Load(Server.MapPath("contents.xml"));

string InsStr="<topic><title>"+TextBox2.Text+"</title><href>

main.aspx?name="+TextBox1.Text+"</href></topic>";

XmlDocumentFragment docFrag = xmldoc.CreateDocumentFragment();

docFrag.InnerXml = InsStr;

currNode = xmldoc.DocumentElement;

currNode.InsertAfter(docFrag, currNode.LastChild);

//save the output to a file

xmldoc.Save (Server.MapPath("contents.xml"));

//把TextBox5中的文件换成符合xml格式的内容。

string xmlfile =TextBox5.Text.Replace("&","&");

xmlfile = xmlfile.Replace("<","<");

xmlfile = xmlfile.Replace(">",">");

xmlfile = xmlfile.Replace( @"""""",""");

xmlfile = xmlfile.Replace(""","'");

xmlfile = xmlfile.Replace ("n","</paragraph><paragraph>");

//把数据写入新建的xml文件中去。

XmlDocument doc = new XmlDocument();

doc.LoadXml ("<?xml version="1.0" encoding="GB2312"?>

<document><title>"+TextBox2.Text +"</title><abstract>"+

TextBox4.Text "</abstract><author>"+TextBox3.Text+

"</author><content><paragraph>"+xmlfile+"</paragraph>

</content></document>");

doc.Save (Server.MapPath(TextBox1.Text +".xml"));

Response.Write("You hava input the article!");

TextBox1.Text="";

TextBox2.Text="";

TextBox3.Text="";

TextBox4.Text="";

TextBox5.Text="";

}

//向目录文件中写数据

}

public void Button2_Click(object sender, System.EventArgs e)

{}

</script>

<meta content="Internet Explorer 5.0" name=vs_targetSchema>

<meta content="Microsoft Visual Studio 7.0" name=GENERATOR>

<meta content=C# name=CODE_LANGUAGE>

</HEAD>

<body MS_POSITIONING="GridLayout">

<form runat="server">

<FONT face=宋体>

<asp:label id=Label1 style="Z-INDEX: 100; LEFT: 230px; POSITION:

absolute; TOP: 27px" runat="server" Height="28px" Width="156px">

asp酷技术资讯网网站内容发布系统

</asp:label>

<asp:label id=Label2 style="Z-INDEX: 101; LEFT: 110px; POSITION:

absolute; TOP: 68px" runat="server" Height="25px" Width="65px">

文件名:

</asp:label>

<asp:textbox id=TextBox1 style="Z-INDEX: 102; LEFT: 255px; POSITION:

absolute; TOP: 64px" runat="server" Height="33px" Width="178px" >

</asp:textbox>

<asp:label id=Label3 style="Z-INDEX: 103; LEFT: 108px; POSITION:

absolute; TOP: 126px" runat="server" Height="36px" Width="86px">

文章名称:

</asp:label>

<asp:textbox id=TextBox2 style="Z-INDEX: 104; LEFT: 256px; POSITION:

absolute; TOP: 114px" runat="server" Height="37px" Width="177px">

</asp:textbox>

<asp:label id=Label4 style="Z-INDEX: 105; LEFT: 114px; POSITION:

absolute; TOP: 183px" runat="server" Height="31px" Width="89px">

作者:

</asp:label>

<asp:textbox id=TextBox3 style="Z-INDEX: 106; LEFT: 256px; POSITION:

absolute; TOP: 183px" runat="server" Height="36px" Width="179px">

</asp:textbox>

<asp:label id=Label5 style="Z-INDEX: 107; LEFT: 114px; POSITION:

absolute; TOP: 241px" runat="server" Height="51px" Width="81px">

摘要:

</asp:label>

<asp:textbox id=TextBox4 style="Z-INDEX: 108; LEFT: 256px; POSITION:

absolute; TOP: 245px" runat="server" Height="36px" Width="179px">

</asp:textbox>

<asp:label id=Label6 style="Z-INDEX: 109; LEFT: 116px; POSITION:

absolute; TOP: 315px" runat="server" Height="36px" Width="78px">

内容:

</asp:label>

<asp:textbox id=TextBox5 style="Z-INDEX: 110; LEFT: 259px; POSITION:

absolute; TOP: 303px" runat="server" Height="95px" Width="252px"

textmode="MultiLine">

</asp:textbox>

</FONT>

<INPUT id=Button2 style="Z-INDEX: 113; LEFT: 343px; WIDTH: 40px;

POSITION: absolute; TOP: 430px; HEIGHT: 24px" type=button value=重置

name=Button2 runat="server" OnServerClick="Button2_Click" DESIGNTIMEDRAGDROP="59">

<br>

<br>

<div id=mess runat=server>

</div>

<br>

<input type="button" value="提交" OnServerClick="Button1_Click"

runat="server" ID="Button1" NAME="Button1" style="Z-INDEX: 112;

LEFT: 268px; POSITION: absolute; TOP: 430px">

</form>

</body>

</HTML>

 
 
 
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