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using
System;using
System.Collections.Generic;using
System.Linq;using
System.Text;using
System.Xml;using
System.Windows.Forms;namespace
MyCommanHelper{ public
class XMLHelper { #region 读取节点值 /// <summary> /// 读取节点值 /// </summary> /// <param name="doc"></param> /// <param name="Section"></param> /// <param name="Key"></param> /// <returns></returns> public
static string XmlReadValue(XmlDocument doc, string
Section, string
Key) { XmlNode result = doc.SelectSingleNode(Section); string
ss = ""; if
(null
!= result) { ss = result.SelectSingleNode(Key).InnerText; } return
ss; } /// <summary> /// 获取二层小结下的键值 /// </summary> /// <param name="doc"></param> /// <param name="Section"></param> /// <param name="subSection"></param> /// <param name="Key"></param> /// <returns></returns> public
static string XmlReadValue(XmlDocument doc, string
Section, string
subSection, string
Key) { try { XmlNode result = doc.SelectSingleNode(Section); if
(null
!= result) { XmlNodeList childnodes = result.ChildNodes; for
(int
i = 0; i < childnodes.Count; i++) { XmlNode node = childnodes[i]; if
(node.LocalName.Equals(subSection)) { return
node.SelectSingleNode(Key).InnerText; } } } return
""; } catch { return
""; } } /// <summary> /// 获取三层小结下的键值 /// </summary> /// <param name="doc"></param> /// <param name="Section"></param> /// <param name="subSection"></param> /// <param name="sub2Section"></param> /// <param name="Key"></param> /// <returns></returns> public
static string XmlReadValue(XmlDocument doc, string
Section, string
subSection, string
sub2Section, string
Key) { try { XmlNode result = doc.SelectSingleNode(Section); if
(null
!= result) { XmlNodeList parentNodes = result.ChildNodes; for
(int
i = 0; i < parentNodes.Count; i++) { XmlNode node = parentNodes[i]; if
(node.LocalName.Equals(subSection)) { XmlNodeList childNodes = node.ChildNodes; for
(int
j = 0; j < childNodes.Count; j++) { XmlNode subNode = childNodes[j]; if
(subNode.LocalName.Equals(sub2Section)) { return
subNode.SelectSingleNode(Key).InnerText; } } } } } return
""; } catch
(Exception) { return
""; } } /// <summary> /// 获取四层小结下的键值 /// </summary> /// <param name="doc"></param> /// <param name="Section"></param> /// <param name="subSection"></param> /// <param name="sub2Section"></param> /// <param name="sub3Section"></param> /// <param name="Key"></param> /// <returns></returns> public
static string XmlReadValue(XmlDocument doc, string
Section, string
subSection, string
sub2Section, string
sub3Section, string
Key) { try { XmlNode result = doc.SelectSingleNode(Section); if
(null
!= result) { XmlNodeList childnodes = result.ChildNodes; for
(int
i = 0; i < childnodes.Count; i++) { XmlNode node = childnodes[i]; if
(node.LocalName.Equals(subSection)) { XmlNodeList subNodeList = node.ChildNodes; for
(int
j = 0; j < subNodeList.Count; j++) { XmlNode subNode = subNodeList[j]; if
(subNode.LocalName.Equals(sub2Section)) { XmlNodeList sub2NodeList = subNode.ChildNodes; for
(int
k = 0; k < sub2NodeList.Count; k++) { XmlNode sub2Node = sub2NodeList[k]; if
(sub2Node.LocalName.Equals(sub3Section)) { return
sub2Node.SelectSingleNode(Key).InnerText; } } } } } } } return
""; } catch { return
""; } } #endregion #region 写入节点值 /// <summary> /// 写入节点值 /// </summary> /// <param name="doc"></param> /// <param name="sXMLPath"></param> /// <param name="Section"></param> /// <param name="Key"></param> /// <param name="Value"></param> public
static void XmlWriteValue(XmlDocument doc, string
sXMLPath, string
Section, string
Key, string
Value) { try { XmlNode result = doc.SelectSingleNode(Section); if
(null
== result) { result = (XmlNode)doc.CreateElement(Section); doc.AppendChild(result); XmlNode subNode = doc.CreateElement(Key); subNode.InnerText = Value; result.AppendChild(subNode); } else { XmlNode subNode = result.SelectSingleNode(Key); if
(null
== subNode) { subNode = doc.CreateElement(Key); subNode.InnerText = Value; result.AppendChild(subNode); } else { subNode.InnerText = Value; } } doc.Save(sXMLPath); } catch
(System.Exception ex) { MessageBox.Show("写入节点值错误! "
+ ex.Message); } } public
static void XmlWriteValue(XmlDocument doc, string
sXMLPath, string
Section, string
subSection, string
Key, string
Value) { try { XmlNode result = doc.SelectSingleNode(Section); if
(null
== result) { result = (XmlNode)doc.CreateElement(Section); doc.AppendChild(result); XmlElement subEle = doc.CreateElement(subSection); result.AppendChild(subEle); XmlElement sub2Ele = doc.CreateElement(Key); sub2Ele.InnerText = Value; subEle.AppendChild(sub2Ele); } else { XmlNode subEle = result.SelectSingleNode(subSection); if
(null
== subEle) { subEle = doc.CreateElement(subSection); result.AppendChild(subEle); XmlElement sub2Ele = doc.CreateElement(Key); sub2Ele.InnerText = Value; subEle.AppendChild(sub2Ele); } else { XmlNode sub2Ele = subEle.SelectSingleNode(Key); if
(null
== sub2Ele) { sub2Ele = doc.CreateElement(Key); sub2Ele.InnerText = Value; subEle.AppendChild(sub2Ele); } else { sub2Ele.InnerText = Value; } } } } catch
(System.Exception ex) { MessageBox.Show("写入节点值错误! "
+ ex.Message); } } public
static void XmlWriteValue(XmlDocument doc, string
sXMLPath, string
Section, string
subSection, string
sub2Section, string
Key, string
Value) { try { XmlNode result = doc.SelectSingleNode(Section); if
(null
== result) { result = (XmlNode)doc.CreateElement(Section); doc.AppendChild(result); } XmlNode subEle = result.SelectSingleNode(subSection); if
(null
== subEle) { subEle = doc.CreateElement(subSection); result.AppendChild(subEle); } XmlNode sub2Ele = result.SelectSingleNode(sub2Section); if
(null
== sub2Ele) { sub2Ele = doc.CreateElement(sub2Section); subEle.AppendChild(sub2Ele); } XmlNode sub3Ele = subEle.SelectSingleNode(Key); if
(null
== sub3Ele) { sub3Ele = doc.CreateElement(Key); sub3Ele.InnerText = Value; sub2Ele.AppendChild(sub2Ele); } else { sub3Ele.InnerText = Value; } doc.Save(sXMLPath); } catch
(System.Exception ex) { MessageBox.Show("写入节点值错误! "
+ ex.Message); } } public
static void XmlWriteValue(XmlDocument doc, string
sXMLPath,string
Section, string
subSection, string
sub2Section,string
sub3Section, string
Key, string
Value) { try { XmlNode result = doc.SelectSingleNode(Section); if
(null
== result) { result = (XmlNode)doc.CreateElement(Section); doc.AppendChild(result); } XmlNode subEle = result.SelectSingleNode(subSection); if
(null
== subEle) { subEle = doc.CreateElement(subSection); result.AppendChild(subEle); } XmlNode sub2Ele = result.SelectSingleNode(sub2Section); if
(null
== sub2Ele) { sub2Ele = doc.CreateElement(sub2Section); subEle.AppendChild(sub2Ele); } XmlNode sub3Ele = result.SelectSingleNode(sub3Section); if
(null
== sub2Ele) { sub3Ele = doc.CreateElement(sub3Section); sub2Ele.AppendChild(sub3Ele); } XmlNode sub4Ele = subEle.SelectSingleNode(Key); if
(null
== sub3Ele) { sub4Ele = doc.CreateElement(Key); sub4Ele.InnerText = Value; sub3Ele.AppendChild(sub2Ele); } else { sub4Ele.InnerText = Value; } doc.Save(sXMLPath); } catch
(System.Exception ex) { MessageBox.Show("写入节点值错误! "
+ ex.Message); } } #endregion #region 修改节点值 /// <summary> /// 修改节点值 /// </summary> /// <param name="doc"></param> /// <param name="sXMLPath"></param> /// <param name="Section"></param> /// <param name="Key"></param> /// <param name="Value"></param> public
static void XmlEditValue(XmlDocument doc, string
sXMLPath, string
Section, string
Key, string
Value) { XmlNode result = doc.SelectSingleNode(Section); if
(null
!= result) { if
(Value == "") { result.SelectSingleNode(Key).InnerText = "无"; } else { result.SelectSingleNode(Key).InnerText = Value; } } doc.Save(sXMLPath); } public
static void XmlEditValue(XmlDocument doc, string
sXMLPath, string
Section, string
sValue1, string
Key, string
Value) { XmlNode result = doc.SelectSingleNode(Section); if
(null
!= result) { XmlNodeList childnodes = result.ChildNodes; for
(int
i = 0; i < childnodes.Count; i++) { XmlNode node = childnodes[i]; if
(node.LocalName.Equals(sValue1)) { if
(Value == "") { node.SelectSingleNode(Key).InnerText = "无"; } else { node.SelectSingleNode(Key).InnerText = Value; } } } } doc.Save(sXMLPath); } public
static void XmlEditValue(XmlDocument doc, string
sXMLPath, string
Section, string
sValue1, string
sValue2, string
Key, string
Value) { XmlNode result = doc.SelectSingleNode(Section); if
(null
!= result) { XmlNodeList parentNodes = result.ChildNodes; for
(int
ii = 0; ii < parentNodes.Count; ii++) { XmlNode node = parentNodes[ii]; if
(node.LocalName.Equals(sValue1)) { XmlNodeList childNodes = node.ChildNodes; for
(int
i = 0; i < childNodes.Count; i++) { XmlNode node2 = childNodes[i]; if
(node2.LocalName.Equals(sValue2)) { if
(Value == "") { node2.SelectSingleNode(Key).InnerText = "无"; } else { node2.SelectSingleNode(Key).InnerText = Value; } } } } } } doc.Save(sXMLPath); } public
static void XmlEditValue(XmlDocument doc, string
sXMLPath, string
Section, string
sValue1, string
sValue2, string
sValue3, string
Key, string
Value) { XmlNode node = doc.SelectSingleNode(Section); if
(null
!= node) { XmlNodeList childNodes = node.ChildNodes; for
(int
i = 0; i < childNodes.Count; i++) { XmlNode node2 = childNodes[i]; if
(node2.LocalName.Equals(sValue1)) { XmlNodeList list2 = node2.ChildNodes; for
(int
j = 0; j < list2.Count; j++) { XmlNode node3 = list2[j]; if
(node3.LocalName.Equals(sValue2)) { XmlNodeList list3 = node3.ChildNodes; for
(int
k = 0; k < list3.Count; k++) { XmlNode node4 = list3[k]; if
(node4.LocalName.Equals(sValue3)) { if
(Value == "") { node4.SelectSingleNode(Key).InnerText = "无"; } else { node4.SelectSingleNode(Key).InnerText = Value; } } } } } } } } doc.Save(sXMLPath); } #endregion }} |
原文：http://www.cnblogs.com/shenchao/p/3673943.html