583 lines
17 KiB
C#
583 lines
17 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Xml;
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//XML存储类
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namespace ryCommon
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{
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class clsStorage
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{
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private XmlDocument xmlDoc = new XmlDocument();
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private XmlNode xmlNode;
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private XmlElement element;
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//private System.Xml.XmlNodeList NodeList2;
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public clsStorage()
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{
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string strXMLText = "<root></root>";
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xmlDoc.LoadXml(strXMLText);
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}
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public clsStorage(string XMLText) //从XML文本中加载数据
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{
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try
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{
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xmlDoc.LoadXml(XMLText);
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}
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catch
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{
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xmlDoc.LoadXml("<root></root>");
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}
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}
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#region 从指定的XML文本中加载
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/// <summary>
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/// 从指定的XML文本中加载
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/// </summary>
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/// <param name="XMLText">XML文本</param>
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/// <returns>如为1,表示加载成功,为0为失败</returns>
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public int LoadFromXMLText(string XMLText)
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{
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try
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{
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xmlDoc.LoadXml(XMLText);
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return 1;
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}
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catch
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{
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xmlDoc.LoadXml("<root></root>");
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return 0;
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}
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}
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#endregion
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#region 加载空的XML文本
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/// <summary>
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/// 载入空的XML文档
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/// </summary>
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/// <param name="XMLText">XML文本</param>
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/// <returns>如为1,表示加载成功,为0为失败</returns>
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public int LoadEmptyXMLText()
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{
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try
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{
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xmlDoc.LoadXml("<root></root>");
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return 1;
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}
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catch
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{
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return 0;
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}
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}
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#endregion
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#region 从指定的文件中加载
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/// <summary>
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/// 从指定的文件中加载
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/// </summary>
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/// <param name="FilePath">XML文件路径</param>
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/// <returns>如为1,表示加载成功,为0为失败</returns>
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public int LoadFromFile(string FilePath)
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{
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try
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{
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xmlDoc.Load(FilePath);
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return 1;
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}
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catch
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{
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xmlDoc.LoadXml("<root></root>");
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return 0;
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}
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}
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#endregion
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#region 保存到指定文件中
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/// <summary>
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/// 保存到指定文件中
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/// </summary>
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/// <param name="sFilePath">文件路径</param>
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/// <returns>如为1,表示保存成功,为0为失败</returns>
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public int SaveToFile(string sFilePath)
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{
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try
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{
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xmlDoc.Save(sFilePath);
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return 1;
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}
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catch
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{
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return 0;
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}
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}
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#endregion
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#region 判断节点是否存在
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/// <summary>
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/// 判断节点是否存在
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/// </summary>
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/// <param name="AttrName">属性名</param>
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/// <param name="sValue">属性值</param>
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/// <returns>返回1,表示存在,其它表示不存在</returns>
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public int HaveNode(string AttrName, string sValue)
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{
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try
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{
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//根据指定路径获取节点
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XmlNode xmlNode2 = null;
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xmlNode2 = xmlDoc.SelectSingleNode("root/list[@" + AttrName + "='" + sValue + "']");
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if (xmlNode2 == null)
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{
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return 0;
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}
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else
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{
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return 1;
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}
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}
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catch
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{
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return 0;
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}
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}
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#endregion
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#region 定位节点
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/// <summary>
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/// 定位节点
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/// </summary>
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/// <param name="AttrName">属性名</param>
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/// <param name="sValue">属性值</param>
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/// <returns>返回第一个符合要求的结果</returns>
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public int SelectNode(string AttrName,string sValue)
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{
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try
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{
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//根据指定路径获取节点
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element = null;
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xmlNode = xmlDoc.SelectSingleNode("root/list[@"+AttrName+"='" + sValue + "']");
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element = (XmlElement)xmlNode;
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if (element == null)
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{
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return 0;
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}
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else
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{
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return 1;
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}
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}
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catch
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{
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return 0;
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}
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}
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#endregion
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#region 定位节点2
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/// <summary>
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/// 定位节点,如果找不到节点,就新建一个节点
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/// </summary>
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/// <param name="AttrName">属性名</param>
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/// <param name="sValue">属性值</param>
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/// <returns>返回第一个符合要求的结果</returns>
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public int SelectNode2(string AttrName, string sValue)
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{
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try
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{
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//根据指定路径获取节点
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element = null;
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xmlNode = xmlDoc.SelectSingleNode("root/list[@" + AttrName + "='" + sValue + "']");
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element = (XmlElement)xmlNode;
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if (element == null)
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{
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return AddNode2(AttrName, sValue);
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}
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else
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{
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return 1;
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}
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}
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catch
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{
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return 0;
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}
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}
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#endregion
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#region 定位节点3
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/// <summary>
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/// 根据用户的节点定位节点,输入节点时,一定要注意节点是属于类内部的,否则可能出错。
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/// </summary>
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/// <returns>返回第一个符合要求的结果</returns>
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public int SelectNode3(XmlNode m_xmlNode)
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{
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try
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{
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//根据指定路径获取节点
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element = null;
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xmlNode = m_xmlNode;
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element = (XmlElement)xmlNode;
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if (element == null)
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{
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return 0;
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}
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else
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{
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return 1;
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}
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}
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catch
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{
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return 0;
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}
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}
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#endregion
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#region 设置节点值
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/// <summary>
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/// 设置节点值
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/// </summary>
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/// <param name="strName">属性名</param>
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/// <param name="strValue">属性值</param>
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/// <returns>如为1,表示加载成功,为0为失败</returns>
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public int SetAttrValue(string strName, string strValue)
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{
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try
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{ //设置节点值
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element.SetAttribute(strName, strValue);
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return 1;
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}
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catch
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{
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return 0;
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}
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}
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#endregion
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#region 设置节点值(布尔类型)
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/// <summary>
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/// 设置节点值
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/// </summary>
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/// <param name="strName">属性名</param>
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/// <param name="strValue">属性值</param>
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/// <returns>如为1,表示加载成功,为0为失败</returns>
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public int SetAttrValue(string strName, bool strValue)
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{
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try
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{ //设置节点值
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string m_value="0";
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if (strValue == true) { m_value = "1"; }
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element.SetAttribute(strName, m_value);
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return 1;
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}
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catch
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{
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return 0;
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}
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}
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#endregion
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#region 设置节点值(int类型)
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/// <summary>
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/// 设置节点值
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/// </summary>
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/// <param name="strName">属性名</param>
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/// <param name="strValue">属性值</param>
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/// <returns>如为1,表示加载成功,为0为失败</returns>
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public int SetAttrValue(string strName, int strValue)
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{
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try
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{ //设置节点值
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element.SetAttribute(strName, strValue.ToString());
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return 1;
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}
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catch
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{
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return 0;
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}
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}
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#endregion
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#region 设置节点值(日期类型)
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/// <summary>
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/// 设置节点值
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/// </summary>
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/// <param name="strName">属性名</param>
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/// <param name="strValue">属性值</param>
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/// <returns>如为1,表示加载成功,为0为失败</returns>
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public int SetAttrValue(string strName, DateTime strValue)
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{
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try
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{ //设置节点值
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element.SetAttribute(strName, strValue.ToString());
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return 1;
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}
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catch
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{
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return 0;
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}
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}
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#endregion
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#region 读取指定节点的值
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/// <summary>
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/// 读取指定节点的值
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/// </summary>
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/// <param name="strNode"></param>
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/// <returns></returns>
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public string GetAttrValue(string strNode)
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{
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try
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{
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//根据路径获取节点
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return element.GetAttribute(strNode);
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}
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catch
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{
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return "";
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}
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}
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#endregion
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#region 读取指定节点的值2
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/// <summary>
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/// 读取指定节点的值
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/// </summary>
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/// <param name="strNode"></param>
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/// <returns></returns>
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public string GetAttrValue(string strNode,string defValue)
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{
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try
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{
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//根据路径获取节点
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string strTemp=element.GetAttribute(strNode);
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if (strTemp == "")
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{
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return defValue;
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}
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else
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{
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return strTemp;
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}
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||
}
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catch
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{
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return defValue;
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}
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}
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#endregion
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#region 读取指定节点的值3
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/// <summary>
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/// 读取指定节点的值
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/// </summary>
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/// <param name="strNode"></param>
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||
/// <returns></returns>
|
||
public int GetAttrValueByInt(string strNode, int defValue)
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{
|
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try
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{
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//根据路径获取节点
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string strTemp = element.GetAttribute(strNode);
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return Convert.ToInt32(strTemp);
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||
}
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||
catch
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||
{
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||
return defValue;
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}
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||
}
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||
#endregion
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||
#region 读取指定节点的值4
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/// <summary>
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/// 读取指定节点的值
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/// </summary>
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||
/// <param name="strNode"></param>
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/// <returns></returns>
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public decimal GetAttrValueByDecimal(string strNode, decimal defValue)
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{
|
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try
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{
|
||
//根据路径获取节点
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string strTemp = element.GetAttribute(strNode);
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||
return Convert.ToDecimal(strTemp);
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||
}
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||
catch
|
||
{
|
||
return defValue;
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||
}
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||
}
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||
#endregion
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||
#region 读取指定节点的值5(布尔值)
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/// <summary>
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||
/// 读取指定节点的值
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||
/// </summary>
|
||
/// <param name="strNode"></param>
|
||
/// <returns></returns>
|
||
public bool GetAttrValueByBool(string strNode, bool defValue)
|
||
{
|
||
try
|
||
{
|
||
//根据路径获取节点
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||
string strTemp = element.GetAttribute(strNode);
|
||
if (strTemp == "1")
|
||
{
|
||
return true;
|
||
}
|
||
else
|
||
{
|
||
return false;
|
||
}
|
||
}
|
||
catch
|
||
{
|
||
return defValue;
|
||
}
|
||
}
|
||
#endregion
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||
#region 读取指定节点的值6(日期值)
|
||
/// <summary>
|
||
/// 读取指定节点的值
|
||
/// </summary>
|
||
/// <param name="strNode"></param>
|
||
/// <returns></returns>
|
||
public DateTime GetAttrValueByDate(string strNode, DateTime defValue)
|
||
{
|
||
try
|
||
{
|
||
//根据路径获取节点
|
||
string strTemp = element.GetAttribute(strNode);
|
||
return Convert.ToDateTime(strTemp);
|
||
}
|
||
catch
|
||
{
|
||
return defValue;
|
||
}
|
||
}
|
||
#endregion
|
||
/// <summary>
|
||
/// 获取XML文件的根元素
|
||
/// </summary>
|
||
public XmlNode GetXmlRoot()
|
||
{
|
||
return xmlDoc.DocumentElement;
|
||
}
|
||
#region 获取所有列表
|
||
/// <summary>
|
||
/// 获取所有列表
|
||
/// </summary>
|
||
/// <returns>如为1,表示获取成功,为0为失败</returns>
|
||
public XmlNodeList GetList()
|
||
{
|
||
try
|
||
{
|
||
return xmlDoc.DocumentElement.SelectNodes("child::list");
|
||
}
|
||
catch
|
||
{
|
||
return null;
|
||
}
|
||
}
|
||
#endregion
|
||
#region 新增节点
|
||
/// <summary>
|
||
/// 新增节点
|
||
/// </summary>
|
||
/// <param name="strNode"></param>
|
||
/// <param name="strValue"></param>
|
||
/// <returns></returns>
|
||
public int AddNode(string strName, string strValue)
|
||
{
|
||
try
|
||
{
|
||
XmlNode xmlNode2 = xmlDoc.SelectSingleNode("root");
|
||
XmlNode childXmlNode = xmlDoc.CreateElement("list");
|
||
xmlNode2.AppendChild(childXmlNode);
|
||
XmlElement element2 = (XmlElement)childXmlNode;
|
||
element2.SetAttribute(strName, strValue);
|
||
return 1;
|
||
}
|
||
catch
|
||
{
|
||
return 0;
|
||
}
|
||
}
|
||
#endregion
|
||
#region 新增节点并定位到新节点
|
||
/// <summary>
|
||
/// 新增节点并定位到新节点
|
||
/// </summary>
|
||
/// <param name="strNode"></param>
|
||
/// <param name="strValue"></param>
|
||
/// <returns></returns>
|
||
public int AddNode2(string strName, string strValue)
|
||
{
|
||
try
|
||
{
|
||
XmlNode xmlNode2 = xmlDoc.SelectSingleNode("root");
|
||
xmlNode = xmlDoc.CreateElement("list");
|
||
xmlNode2.AppendChild(xmlNode);
|
||
element = (XmlElement)xmlNode;
|
||
element.SetAttribute(strName, strValue);
|
||
return 1;
|
||
}
|
||
catch
|
||
{
|
||
return 0;
|
||
}
|
||
}
|
||
#endregion
|
||
#region 新增节点并定位到新节点
|
||
/// <summary>
|
||
/// 在指定节点前新增节点并定位到新节点
|
||
/// </summary>
|
||
/// <param name="strNode"></param>
|
||
/// <param name="strValue"></param>
|
||
/// <returns></returns>
|
||
public int AddNodeBefore(string strName, string strValue, XmlNode xn)
|
||
{
|
||
try
|
||
{
|
||
XmlNode xmlNode2 = xmlDoc.SelectSingleNode("root");
|
||
xmlNode = xmlDoc.CreateElement("list");
|
||
xmlNode2.InsertBefore(xmlNode, xn);
|
||
element = (XmlElement)xmlNode;
|
||
element.SetAttribute(strName, strValue);
|
||
return 1;
|
||
}
|
||
catch
|
||
{
|
||
return 0;
|
||
}
|
||
}
|
||
#endregion
|
||
public XmlNode GetNowXMLNode()
|
||
{
|
||
return xmlNode;
|
||
}
|
||
#region 删除节点
|
||
/// <summary>
|
||
/// 删除节点
|
||
/// </summary>
|
||
/// <returns></returns>
|
||
public int DeleteNode()
|
||
{
|
||
try
|
||
{
|
||
//element.RemoveAll();
|
||
GetXmlRoot().RemoveChild(xmlNode);
|
||
xmlNode = null;
|
||
element = null;
|
||
return 1;
|
||
}
|
||
catch
|
||
{
|
||
return 0;
|
||
}
|
||
}
|
||
#endregion
|
||
#region 获取XML文本
|
||
/// <summary>
|
||
/// 获取XML文本
|
||
/// </summary>
|
||
/// <returns></returns>
|
||
public string GetXMLText()
|
||
{
|
||
return xmlDoc.OuterXml;
|
||
}
|
||
#endregion
|
||
#region 获取XML文本
|
||
/// <summary>
|
||
/// 获取文本
|
||
/// </summary>
|
||
/// <returns></returns>
|
||
public string GetText()
|
||
{
|
||
return xmlDoc.ToString(); ;
|
||
}
|
||
#endregion
|
||
}
|
||
}
|