...的配置文件,用什么方式好啊?比如.txt.ini.xml...
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发布时间：2024-10-23 08:26
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热心网友
时间：2024-11-09 20:44
这个类是很早以前写的一个操作xml的小工具，如果你想在站点里添加xml配置的话，这个也许有用
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Xml;
using System.Data;
namespace SeecaaYellow.BusinessFacade
{
/// <summary>
/// 提供将xml当作数据库处理的一些方法
/// </summary>
public class XmlOperation
{
#region 私有成员
private string strdatafile = null;
/// <summary>
/// 数据集
/// </summary>
private DataSet myds = null;
/// <summary>
/// 字符过滤数组 比如 "id=1 and username=trace"
/// </summary>
private string strfilter = null;
/// <summary>
/// 排序的字段 比如 "id desc,username"
/// </summary>
private string strsort = null;
/// <summary>
/// 数据集合中的字段名集合
/// </summary>
private string[] strfields = null;
/// <summary>
/// 数据集合中的数据数组
/// </summary>
private string[] strdata = null;
/// <summary>
/// 模板文件的全路径
/// </summary>
private string strtemplatefile = null;
#endregion
#region 公共属性
/// <summary>
/// 模板文件路径
/// </summary>
public string Strtemplatefile
{
set { this.strtemplatefile = value; }
get { return this.strtemplatefile; }
}
/// <summary>
/// 数据文件路径
/// </summary>
public string Strdatafile
{
set { this.strdatafile = value; }
get { return this.strdatafile; }
}
/// <summary>
/// 字符过滤数组
/// </summary>
public string Strfilter
{
set { this.strfilter = value; }
}
/// <summary>
/// 排序的字段
/// </summary>
public string Strsort
{
set { this.strsort = value; }
}
/// <summary>
/// 数据集合中的字段名
/// </summary>
public string[] Strfields
{
set { this.strfields = value; }
}
/// <summary>
/// 数据集合中的数据数组
/// </summary>
public string[] Strdata
{
set { this.strdata = value; }
}
/// <summary>
/// 数据集合，能放在缓存供调用
/// </summary>
public DataSet Myds
{
set { this.myds = value; }
get { return this.myds; }
}
#endregion
public XmlOperation()
{
//
// todo: 提供将xml当作数据库处理的一些方法
//
}
/// <summary>
/// 取得xml文件的内容并填入dataset
/// </summary>
private void open()
{
try
{
this.myds = new DataSet();
FileStream fin;
fin = new FileStream(this.strdatafile, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
this.myds.ReadXml(fin);
fin.Close();
}
catch (Exception ee)
{
Log log = new Log();
log.Struser = "系统";
log.Strdepartment = "读取xml数据";
log.Strfilename = "SeecaaYellow.BusinessFacade.XmlOperation";
log.Strdescription = ee.Message;
log.writelog();
}
}
/// <summary>
/// 将操作结果写入xml
/// </summary>
private void save()
{
try
{
this.myds.WriteXml(this.strdatafile, XmlWriteMode.WriteSchema);
}
catch (Exception ee)
{
Log log = new Log();
log.Struser = "系统";
log.Strdepartment = "保存xml数据";
log.Strfilename = "SeecaaYellow.BusinessFacade.XmlOperation";
log.Strdescription = ee.Message;
log.writelog();
}
}
/// <summary>
/// 取得特定的数据视图
/// 一般在数据绑定的时候，我们能非常方便的生成供绑定的视图
/// </summary>
/// <returns>数据视图</returns>
public DataView selectview()
{
if (this.myds == null) this.open();
DataView mydv = new DataView(this.myds.Tables[0]);
if (strfilter != null) mydv.RowFilter = this.strfilter;
mydv.Sort = this.strsort;
return mydv;
}
/// <summary>
/// 取得特定的行
/// 使用行的方式是因为有些时候，我们仅仅只需要某一行或多行记录
/// 比如我们判断登陆的时候，只是需要某个id的所在行，然后匹配他的密码项
/// </summary>
/// <returns>各行数据</returns>
public DataRow[] selectrows()
{
if (this.myds == null) this.open();
DataRow[] myrows = myds.Tables[0].Select(this.strfilter);
return myrows;
}
/// <summary>
/// 往xml当中插入一条数据
/// </summary>
/// <returns>操作是否成功</returns>
public bool insert()
{
if (this.myds == null) this.open();
try
{
DataRow newrow = myds.Tables[0].NewRow();
for (int i = 0; i < this.strfields.Length; i++)
{
newrow[this.strfields[i]] = this.strdata[i];
}
myds.Tables[0].Rows.Add(newrow);
this.save();
return true;
}
catch (Exception ee)
{
Log log = new Log();
log.Struser = "系统";
log.Strdepartment = "写入xml数据";
log.Strfilename = "SeecaaYellow.BusinessFacade.XmlOperation";
log.Strdescription = ee.Message;
log.writelog();
return false;
}
}
/// <summary>
/// 更新数据,这个时候要确保strfields 和 strdata 两个数组的维数一致
/// </summary>
/// <returns>是否更新成功</returns>
public bool update()
{
if (this.myds == null) this.open();
try
{
DataRow[] editrow = myds.Tables[0].Select(this.strfilter);
for (int j = 0; j < editrow.Length; j++)
{
for (int i = 0; i < this.strfields.Length; i++)
{
editrow[j][this.strfields[i]] = this.strdata[i];
}
}
this.save();
return true;
}
catch (Exception ee)
{
Log log = new Log();
log.Struser = "系统";
log.Strdepartment = "更新xml数据";
log.Strfilename = "SeecaaYellow.BusinessFacade.XmlOperation";
log.Strdescription = ee.Message;
log.writelog();
return false;
}
}
/// <summary>
/// 删除数据
/// </summary>
/// <returns>是否删除成功</returns>
public bool delete()
{
if (this.myds == null) this.open();
try
{
DataRow[] editrow = myds.Tables[0].Select(this.strfilter);
for (int i = 0; i < editrow.Length; i++)
{
editrow[i].Delete();
}
this.save();
return true;
}
catch (Exception ee)
{
Log log = new Log();
log.Struser = "系统";
log.Strdepartment = "删除xml数据";
log.Strfilename = "SeecaaYellow.BusinessFacade.XmlOperation";
log.Strdescription = ee.Message;
log.writelog();
return false;
}
}
/// <summary>
/// 根据一个模板，新建一个xml文件（前提是必须有一个模板文件、并确定目标文件路径）
/// </summary>
/// <returns>写入是否成功</returns>
public bool create()
{
try
{
XmlDocument doc = new XmlDocument();
XmlTextReader reader = new XmlTextReader(this.strtemplatefile);
doc.Load(reader);
XmlElement member;
XmlNode root = doc.DocumentElement;
for (int i = 0; i < this.strfields.Length; i++)
{
member = doc.CreateElement(strfields[i].ToString());
member.InnerText = this.strdata[i].ToString();
root.AppendChild(member);
}
XmlTextWriter xmlwriter = new XmlTextWriter(this.strdatafile, null);
xmlwriter.Formatting = Formatting.Indented;
doc.Save(xmlwriter);
xmlwriter.Close();
reader.Close();
return true;
}
catch (Exception ee)
{
Log log = new Log();
log.Struser = "系统";
log.Strdepartment = "新建xml数据";
log.Strfilename = "SeecaaYellow.BusinessFacade.XmlOperation";
log.Strdescription = ee.Message;
log.writelog();
return false;
}
}
/// <summary>
/// 释放资源
/// </summary>
public void clear()
{
if (this.myds != null)
{
this.myds.Dispose();
}
}
}
}
热心网友
时间：2024-11-09 20:50
