Asp.Net数据库查询生成XML文件
2012-09-14 19:13
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DAL层
using System;
using System.Collections.Generic;
using System.Text;
using MODEL;
using System.Data;
using System.Data.SqlClient;
namespace DAL
{
public static class ArticleService
{
//IList查询
public static IList<Article> GetArticle()
{
string sql = "select * from t_Article";
return GetArticleBySql(sql);
}
//执行sql语句
private static IList<Article> GetArticleBySql(string safeSql)
{
List<Article> list = new List<Article>();
try
{
DataTable table = DBHelper.GetDataTable(safeSql);
foreach (DataRow row in table.Rows)
{
Article article = new Article();
article.Id = (int)row["t_ID"];
article.Title = (string)row["t_Title"];
article.Content = (string)row["t_Content"];
article.Time = (DateTime)row["t_Date"];
//article.Url = (string)row[""];
list.Add(article);
}
return list;
}
catch (Exception e)
{
Console.WriteLine(e.Message);
throw e;
}
}
}
}
BLL层
using System;
using System.Collections.Generic;
using System.Text;
using MODEL;
using DAL;
using System.Data;
namespace BLL
{
public class ArticleManager
{
//用IList查询
public static IList<Article> GetArticle()
{
return ArticleService.GetArticle();
}
}
}
MODEL层
using System;
using System.Collections.Generic;
using System.Text;
namespace MODEL
{
public class Article
{
private int id;
public int Id
{
get { return id; }
set { id = value; }
}
private string title;
public string Title
{
get { return title; }
set { title = value; }
}
private string content;
public string Content
{
get { return content; }
set { content = value; }
}
private DateTime time;
public DateTime Time
{
get { return time; }
set { time = value; }
}
private string url;
public string Url
{
get { return url; }
set { url = value; }
}
}
}
WEB层
xml3.aspx代码
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="xml3.aspx.cs" Inherits="xml3" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
</div>
</form>
</body>
</html>
xml3.aspx.cs代码
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using System.Collections.Generic;
using System.Xml;
using BLL;
using MODEL;
public partial class xml3 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
Label1.Text = DateTime.Now.ToString();
WriteXML();
}
}
private void WriteXML()
{
XmlTextWriter writer = new XmlTextWriter(Server.MapPath("grade.xml"), null);
writer.Formatting = Formatting.Indented; //首行缩进
writer.Indentation = 4; //缩进位置
XmlDocument domDoc = new XmlDocument();
//XmlDeclaration nodeDeclar = domDoc.CreateXmlDeclaration("1.0", System.Text.Encoding.UTF8.BodyName, "yes");原语句
XmlDeclaration nodeDeclar = domDoc.CreateXmlDeclaration("1.0", System.Text.Encoding.Default.BodyName, "yes");//修改语句
domDoc.AppendChild(nodeDeclar);
//如果rss有样式表文件的话，加上这两句
//XmlProcessingInstruction nodeStylesheet = domDoc.CreateProcessingInstruction("xml-stylesheet", "type=\"text/css\" href=\"rss.css\"");
//domDoc.AppendChild(nodeStylesheet);
XmlElement root = domDoc.CreateElement("root");
//root.SetAttribute("Date", "20090307"); //添加属性结点
domDoc.AppendChild(root);
XmlElement chnode = domDoc.CreateElement("recorder");
//chnode.SetAttribute("File", "index.swf"); //添加属性结点
//chnode.SetAttribute("Music", "");
root.AppendChild(chnode);
XmlElement element = domDoc.CreateElement("实例1");
XmlNode textNode = domDoc.CreateTextNode("搜狐焦点新闻"); //文本结点
element.AppendChild(textNode);
chnode.AppendChild(element);
element = domDoc.CreateElement("实例2");
textNode = domDoc.CreateTextNode("http://www.sohu.com");
element.AppendChild(textNode);
chnode.AppendChild(element);
element = domDoc.CreateElement("实例3"); //引用结点
XmlNode cDataNode = domDoc.CreateCDataSection("即时报道国内外时政大事，解读环球焦点事件");
element.AppendChild(cDataNode);
chnode.AppendChild(element);
//真是数据
element = domDoc.CreateElement("id"); //引用结点
XmlNode cDataNodeid = domDoc.CreateCDataSection("id");
element.AppendChild(cDataNodeid);
chnode.AppendChild(element);
element = domDoc.CreateElement("title"); //引用结点
XmlNode cDataNodetitle = domDoc.CreateCDataSection("title");
element.AppendChild(cDataNodetitle);
chnode.AppendChild(element);
element = domDoc.CreateElement("content"); //引用结点
XmlNode cDataNodecontent = domDoc.CreateCDataSection("content");
element.AppendChild(cDataNodecontent);
chnode.AppendChild(element);
element = domDoc.CreateElement("time"); //引用结点
XmlNode cDataNodetime = domDoc.CreateCDataSection("time");
element.AppendChild(cDataNodetime);
chnode.AppendChild(element);
element = domDoc.CreateElement("url"); //引用结点
XmlNode cDataNodeurl = domDoc.CreateCDataSection("url");
element.AppendChild(cDataNodeurl);
chnode.AppendChild(element);
//访问数据库，获取要在rss中显示的记录
//DataTable dt = GetDataTab();
//foreach (DataRow dr in dt.Rows)
//{
// element = domDoc.CreateElement("item");
// //...
// //创建内容结点，常见的如title,description,link,pubDate,创建方法同上
// //...
// chnode.AppendChild(element);
//}
IList<Article> list = ArticleManager.GetArticle();
foreach (Article art in list)
{
int id = art.Id;
string idd = id.ToString();
string title = art.Title.ToString();
string content = art.Content;
DateTime data = art.Time;
string datae = System.Convert.ToString(data);
//方法一
//此方法可以使用 勿删除
//XmlElement chnode1 = domDoc.CreateElement("recorder");
//root.AppendChild(chnode1);
//element = domDoc.CreateElement(idd);
//chnode1.AppendChild(element);
//方法二
//此方法可以使用 勿删除
XmlElement chnode1 = domDoc.CreateElement("recorder");
root.AppendChild(chnode1);
element = domDoc.CreateElement("id"); //引用结点
XmlNode cDataNodeidd = domDoc.CreateCDataSection(idd);
element.AppendChild(cDataNodeidd);
chnode1.AppendChild(element);
element = domDoc.CreateElement("title"); //引用结点
XmlNode cDataNodetitlee = domDoc.CreateCDataSection(title);
element.AppendChild(cDataNodetitlee);
chnode1.AppendChild(element);
element = domDoc.CreateElement("content"); //引用结点
XmlNode cDataNodecontentt = domDoc.CreateCDataSection(content);
element.AppendChild(cDataNodecontentt);
chnode1.AppendChild(element);
element = domDoc.CreateElement("time"); //引用结点
XmlNode cDataNodedatae = domDoc.CreateCDataSection(datae);
element.AppendChild(cDataNodedatae);
chnode1.AppendChild(element);
}
//输出
domDoc.WriteTo(writer);
writer.Flush();
writer.Close();
}
}
using System;
using System.Collections.Generic;
using System.Text;
using MODEL;
using System.Data;
using System.Data.SqlClient;
namespace DAL
{
public static class ArticleService
{
//IList查询
public static IList<Article> GetArticle()
{
string sql = "select * from t_Article";
return GetArticleBySql(sql);
}
//执行sql语句
private static IList<Article> GetArticleBySql(string safeSql)
{
List<Article> list = new List<Article>();
try
{
DataTable table = DBHelper.GetDataTable(safeSql);
foreach (DataRow row in table.Rows)
{
Article article = new Article();
article.Id = (int)row["t_ID"];
article.Title = (string)row["t_Title"];
article.Content = (string)row["t_Content"];
article.Time = (DateTime)row["t_Date"];
//article.Url = (string)row[""];
list.Add(article);
}
return list;
}
catch (Exception e)
{
Console.WriteLine(e.Message);
throw e;
}
}
}
}
BLL层
using System;
using System.Collections.Generic;
using System.Text;
using MODEL;
using DAL;
using System.Data;
namespace BLL
{
public class ArticleManager
{
//用IList查询
public static IList<Article> GetArticle()
{
return ArticleService.GetArticle();
}
}
}
MODEL层
using System;
using System.Collections.Generic;
using System.Text;
namespace MODEL
{
public class Article
{
private int id;
public int Id
{
get { return id; }
set { id = value; }
}
private string title;
public string Title
{
get { return title; }
set { title = value; }
}
private string content;
public string Content
{
get { return content; }
set { content = value; }
}
private DateTime time;
public DateTime Time
{
get { return time; }
set { time = value; }
}
private string url;
public string Url
{
get { return url; }
set { url = value; }
}
}
}
WEB层
xml3.aspx代码
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="xml3.aspx.cs" Inherits="xml3" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
</div>
</form>
</body>
</html>
xml3.aspx.cs代码
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using System.Collections.Generic;
using System.Xml;
using BLL;
using MODEL;
public partial class xml3 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
Label1.Text = DateTime.Now.ToString();
WriteXML();
}
}
private void WriteXML()
{
XmlTextWriter writer = new XmlTextWriter(Server.MapPath("grade.xml"), null);
writer.Formatting = Formatting.Indented; //首行缩进
writer.Indentation = 4; //缩进位置
XmlDocument domDoc = new XmlDocument();
//XmlDeclaration nodeDeclar = domDoc.CreateXmlDeclaration("1.0", System.Text.Encoding.UTF8.BodyName, "yes");原语句
XmlDeclaration nodeDeclar = domDoc.CreateXmlDeclaration("1.0", System.Text.Encoding.Default.BodyName, "yes");//修改语句
domDoc.AppendChild(nodeDeclar);
//如果rss有样式表文件的话，加上这两句
//XmlProcessingInstruction nodeStylesheet = domDoc.CreateProcessingInstruction("xml-stylesheet", "type=\"text/css\" href=\"rss.css\"");
//domDoc.AppendChild(nodeStylesheet);
XmlElement root = domDoc.CreateElement("root");
//root.SetAttribute("Date", "20090307"); //添加属性结点
domDoc.AppendChild(root);
XmlElement chnode = domDoc.CreateElement("recorder");
//chnode.SetAttribute("File", "index.swf"); //添加属性结点
//chnode.SetAttribute("Music", "");
root.AppendChild(chnode);
XmlElement element = domDoc.CreateElement("实例1");
XmlNode textNode = domDoc.CreateTextNode("搜狐焦点新闻"); //文本结点
element.AppendChild(textNode);
chnode.AppendChild(element);
element = domDoc.CreateElement("实例2");
textNode = domDoc.CreateTextNode("http://www.sohu.com");
element.AppendChild(textNode);
chnode.AppendChild(element);
element = domDoc.CreateElement("实例3"); //引用结点
XmlNode cDataNode = domDoc.CreateCDataSection("即时报道国内外时政大事，解读环球焦点事件");
element.AppendChild(cDataNode);
chnode.AppendChild(element);
//真是数据
element = domDoc.CreateElement("id"); //引用结点
XmlNode cDataNodeid = domDoc.CreateCDataSection("id");
element.AppendChild(cDataNodeid);
chnode.AppendChild(element);
element = domDoc.CreateElement("title"); //引用结点
XmlNode cDataNodetitle = domDoc.CreateCDataSection("title");
element.AppendChild(cDataNodetitle);
chnode.AppendChild(element);
element = domDoc.CreateElement("content"); //引用结点
XmlNode cDataNodecontent = domDoc.CreateCDataSection("content");
element.AppendChild(cDataNodecontent);
chnode.AppendChild(element);
element = domDoc.CreateElement("time"); //引用结点
XmlNode cDataNodetime = domDoc.CreateCDataSection("time");
element.AppendChild(cDataNodetime);
chnode.AppendChild(element);
element = domDoc.CreateElement("url"); //引用结点
XmlNode cDataNodeurl = domDoc.CreateCDataSection("url");
element.AppendChild(cDataNodeurl);
chnode.AppendChild(element);
//访问数据库，获取要在rss中显示的记录
//DataTable dt = GetDataTab();
//foreach (DataRow dr in dt.Rows)
//{
// element = domDoc.CreateElement("item");
// //...
// //创建内容结点，常见的如title,description,link,pubDate,创建方法同上
// //...
// chnode.AppendChild(element);
//}
IList<Article> list = ArticleManager.GetArticle();
foreach (Article art in list)
{
int id = art.Id;
string idd = id.ToString();
string title = art.Title.ToString();
string content = art.Content;
DateTime data = art.Time;
string datae = System.Convert.ToString(data);
//方法一
//此方法可以使用 勿删除
//XmlElement chnode1 = domDoc.CreateElement("recorder");
//root.AppendChild(chnode1);
//element = domDoc.CreateElement(idd);
//chnode1.AppendChild(element);
//方法二
//此方法可以使用 勿删除
XmlElement chnode1 = domDoc.CreateElement("recorder");
root.AppendChild(chnode1);
element = domDoc.CreateElement("id"); //引用结点
XmlNode cDataNodeidd = domDoc.CreateCDataSection(idd);
element.AppendChild(cDataNodeidd);
chnode1.AppendChild(element);
element = domDoc.CreateElement("title"); //引用结点
XmlNode cDataNodetitlee = domDoc.CreateCDataSection(title);
element.AppendChild(cDataNodetitlee);
chnode1.AppendChild(element);
element = domDoc.CreateElement("content"); //引用结点
XmlNode cDataNodecontentt = domDoc.CreateCDataSection(content);
element.AppendChild(cDataNodecontentt);
chnode1.AppendChild(element);
element = domDoc.CreateElement("time"); //引用结点
XmlNode cDataNodedatae = domDoc.CreateCDataSection(datae);
element.AppendChild(cDataNodedatae);
chnode1.AppendChild(element);
}
//输出
domDoc.WriteTo(writer);
writer.Flush();
writer.Close();
}
}
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