主要用于配置的读取修改等，方便统一化操作，可用于bs或cs代码里面的枚举为文件名，xml文件格式为 id value的格式,使用简单，一看就会
public class XMLSourceHelp
{
/// <summary>
/// XML数据文件数据列表
/// </summary>
private static Dictionary<EXMLDataSource,DataTable> XmlDataSourceList = null;
/// <summary>
/// XML数据文件枚举
/// </summary>
public enum EXMLDataSource
{
Type1 = 1,Type2 = 2
}
/// <summary>
/// 本类实例对象
/// </summary>
private static XMLSourceHelp m_sh;
/// <summary>
/// XML数据文件数据辅助类
/// </summary>
public static XMLSourceHelp SH
{
get
{
if (m_sh == null)
m_sh = new XMLSourceHelp();
return XMLSourceHelp.m_sh;
}
private set { XMLSourceHelp.m_sh = value; }
}
/// <summary>
/// 功能描述:获取数据对象
/// 作 者: 爱给模板网 2gei.cn
/// 创建日期:2015-10-10 17:47:45
/// 任务编号:
/// </summary>
/// <param name="file">file</param>
/// <returns>返回值</returns>
public DataTable GetSource(EXMLDataSource file)
{
if (XmlDataSourceList == null)
return null;
DataTable dt = new DataTable();
XmlDataSourceList.TryGetValue(file,out dt);
return dt.Copy();
}
/// <summary>
/// 功能描述:加载数据
/// 作 者: 爱给模板网 2gei.cn
/// 创建日期:2015-10-10 17:48:32
/// 任务编号:
/// </summary>
public void LoadSource()
{
if (XmlDataSourceList == null)
{
string strServerPath = AppDomain.CurrentDomain.BaseDirectory;
XmlDataSourceList = new Dictionary<EXMLDataSource,DataTable>();
foreach (EXMLDataSource item in Enum.GetValues(typeof(EXMLDataSource)))
{
XmlDataSourceList.Add(item,LoadXmlInfo(strServerPath + "Data\\" + item + ".xml"));
}
}
}
/// <summary>
/// 转换ID为中文名
/// </summary>
/// <param name="objId">Id数字码</param>
/// <param name="file">文件</param>
/// <param name="strDefualtValue">默认值</param>
/// <returns>返回转换后的名字</returns>
public string ConvertIdToName(object objId,EXMLDataSource file,string strDefualtValue = "")
{
if (objId == null || string.IsNullOrWhiteSpace(objId.ToString()))
{
return strDefualtValue;
}
DataTable dtSource = GetSource(file);
if (dtSource == null)
{
return strDefualtValue;
}
var names = from item in dtSource.AsEnumerable()
where item.Field<string>("id") == objId.ToString()
select item.Field<string>("value");
if (names == null || names.Count() <= 0)
return strDefualtValue;
return names.First();
}
/// <summary>
/// 功能描述:构造方法
/// 作 者: 爱给模板网 2gei.cn
/// 创建日期:2015-09-25 09:09:26
/// 任务编号:
/// </summary>
private XMLSourceHelp()
{
}
/// <summary>
/// 加载XML信息
/// </summary>
/// <param name="strPath">文件路径</param>
/// <returns>返回Xml信息数据表</returns>
private DataTable LoadXmlInfo(string strPath)
{
DataTable dt = CreateDt();
GetSourceByFile(strPath,ref dt);
return dt;
}
/// <summary>
/// 功能描述:读取数据
/// 作 者: 爱给模板网 2gei.cn
/// 创建日期:2015-09-25 09:28:43
/// 任务编号:
/// </summary>
/// <param name="strFile">strFile</param>
/// <param name="dt">dt</param>
private void GetSourceByFile(string strFile,ref DataTable dt)
{
XmlDocument document = new XmlDocument();
document.Load(strFile);
XmlNodeList nodelist = document.SelectSingleNode("/source").ChildNodes;
foreach (XmlNode xn in nodelist)
{
if (xn.NodeType == XmlNodeType.Element)
{
DataRow dr = dt.NewRow();
dr[0] = xn.Attributes["id"].Value;
dr[1] = xn.Attributes["value"].Value;
dt.Rows.Add(dr);
}
}
}
/// <summary>
/// 功能描述:创建一个DataTable
/// 作 者: 爱给模板网 2gei.cn
/// 创建日期:2015-09-25 09:28:08
/// 任务编号:
/// </summary>
/// <returns>返回值</returns>
private DataTable CreateDt()
{
DataTable dt = new DataTable();
dt.Columns.Add("id",typeof(string));
dt.Columns.Add("value",typeof(string));
return dt;
}
/// <summary>
/// 功能描述:返回指定ID的对应序列号
/// 作 者: 爱给模板网 2gei.cn
/// 创建日期:2015-10-12 17:34:40
/// 任务编号:
/// </summary>
/// <param name="objid">objid</param>
/// <param name="EXMLDataSource">文件</param>
/// <returns>返回值</returns>
public int GetIndexById(object objid,EXMLDataSource file)
{
DataTable dtSource = GetSource(file);
return ZhuoYueE.Dop.Web.Base.ProEnv.GetIndexInTableByField(dtSource,"id",objid.ToString());
}
/// <summary>
/// 功能描述:返回指定Value的对应的第一个序列号
/// 作 者: 爱给模板网 2gei.cn
/// 创建日期:2015-10-12 17:35:50
/// 任务编号:
/// </summary>
/// <param name="strValue">strValue</param>
/// <param name="t">t</param>
/// <returns>返回值</returns>
public int GetIndexByValue(string strValue,"value",strValue);
}
/// <summary>
/// 修改XML的一个键值
/// </summary>
/// <param name="objid">objid</param>
/// <param name="strValue">值</param>
/// <param name="file">文件</param>
public void ModifyValueById(object objid,string strValue,EXMLDataSource file)
{
string strServerPath = AppDomain.CurrentDomain.BaseDirectory;
strServerPath = strServerPath.Substring(0,strServerPath.Length - 1);
var names = from item in GetSource(file).AsEnumerable()
where item.Field<string>("id") == objid.ToString()
select item.Field<string>("value");
if (names != null && names.Count() == 1)
{
XmlDocument document = new XmlDocument();
document.Load(strServerPath + "\\data\\" + file + ".xml");
XmlNodeList nodelist = document.SelectSingleNode("/source").ChildNodes;
foreach (XmlNode xn in nodelist)
{
if (xn.NodeType == XmlNodeType.Element)
{
if (xn.Attributes["id"].Value == objid.ToString())
{
xn.Attributes["value"].Value = strValue;
break;
}
}
}
document.Save(strServerPath + "\\data\\" + file + ".xml");
}
else
{
XmlDocument document = new XmlDocument();
document.Load(strServerPath + "\\data\\" + file + ".xml");
XmlNode xn = document.SelectSingleNode("/source");
XmlNode xnNew = document.CreateNode(XmlNodeType.Element,"item",null);
XmlAttribute attId = document.CreateAttribute("id");
attId.Value = objid.ToString();
XmlAttribute attvalue = document.CreateAttribute("value");
attvalue.Value = strValue;
xnNew.Attributes.Append(attId);
xnNew.Attributes.Append(attvalue);
xn.AppendChild(xnNew);
document.Save(strServerPath + "\\data\\" + file + ".xml");
}
if (XmlDataSourceList.ContainsKey(file))
{
XmlDataSourceList[file] = LoadXmlInfo(strServerPath + "\\Data\\" + file + ".xml");
}
else
{
XmlDataSourceList.Add(file,LoadXmlInfo(strServerPath + "\\Data\\" + file + ".xml"));
}
}
}
原文链接：https://www.f2er.com/xml/294820.html