引用網上的 XMLHelper 地址 :https://www.cnblogs.com/chnboy/archive/2009/04/02/1427652.htmlhtml
稍作修改node
using System; using System.Linq; using System.Xml; namespace Test { /// <summary> /// XMLHelper XML文檔操做管理器 /// </summary> public class XMLHelper { public XMLHelper() { // // TODO: 在此處添加構造函數邏輯 // } #region XML文檔節點查詢和讀取 /// <summary> /// 選擇匹配XPath表達式的第一個節點XmlNode. /// </summary> /// <param name="xmlFileName">XML文檔徹底文件名(包含物理路徑)</param> /// <param name="xpath">要匹配的XPath表達式(例如:"//節點名//子節點名")</param> /// <returns>返回XmlNode</returns> public static XmlNode GetXmlNodeByXpath(string xmlFileName, string xpath) { XmlDocument xmlDoc = new XmlDocument(); try { xmlDoc.Load(xmlFileName); //加載XML文檔 XmlNode xmlNode = xmlDoc.SelectSingleNode(xpath); return xmlNode; } catch (Exception ex) { return null; //throw ex; //這裏能夠定義你本身的異常處理 } } /// <summary> /// 選擇匹配XPath表達式的節點列表XmlNodeList. /// </summary> /// <param name="xmlFileName">XML文檔徹底文件名(包含物理路徑)</param> /// <param name="xpath">要匹配的XPath表達式(例如:"//節點名//子節點名")</param> /// <returns>返回XmlNodeList</returns> public static XmlNodeList GetXmlNodeListByXpath(string xmlFileName, string xpath) { XmlDocument xmlDoc = new XmlDocument(); try { xmlDoc.Load(xmlFileName); //加載XML文檔 XmlNodeList xmlNodeList = xmlDoc.SelectNodes(xpath); return xmlNodeList; } catch (Exception ex) { return null; //throw ex; //這裏能夠定義你本身的異常處理 } } /// <summary> /// 選擇匹配XPath表達式的第一個節點的匹配xmlAttributeName的屬性XmlAttribute. /// </summary> /// <param name="xmlFileName">XML文檔徹底文件名(包含物理路徑)</param> /// <param name="xpath">要匹配的XPath表達式(例如:"//節點名//子節點名</param> /// <param name="xmlAttributeName">要匹配xmlAttributeName的屬性名稱</param> /// <returns>返回xmlAttributeName</returns> public static XmlAttribute GetXmlAttribute(string xmlFileName, string xpath, string xmlAttributeName) { string content = string.Empty; XmlDocument xmlDoc = new XmlDocument(); XmlAttribute xmlAttribute = null; try { xmlDoc.Load(xmlFileName); //加載XML文檔 XmlNode xmlNode = xmlDoc.SelectSingleNode(xpath); if (xmlNode != null) { if (xmlNode.Attributes.Count > 0) { xmlAttribute = xmlNode.Attributes[xmlAttributeName]; } } } catch (Exception ex) { throw ex; //這裏能夠定義你本身的異常處理 } return xmlAttribute; } /// <summary> /// 選擇匹配XPath表達式的第一個節點的匹配xmlAttributeName的屬性XmlAttribute. /// </summary> /// <param name="xmlFileName">XML文檔徹底文件名(包含物理路徑)</param> /// <param name="xpath">要匹配的XPath表達式(例如:"//節點名//子節點名</param> /// <param name="xmlAttributeName">要匹配xmlAttributeName的屬性名稱</param> /// <returns>返回xmlAttributeName</returns> public static string GetXmlByAttribute(string xmlFileName, string xpath, string name, string xmlAttributeName, string xmlAttributeValues) { string content = string.Empty; XmlDocument xmlDoc = new XmlDocument(); try { xmlDoc.Load(xmlFileName); //加載XML文檔 //主要 XmlNodeList xlist = xmlDoc.SelectNodes(xpath); XmlNode xmlNode = xlist.Cast<XmlNode>().Where(o => o.Attributes.Cast<XmlAttribute>().FirstOrDefault(a => a.Name == xmlAttributeName && a.Value == xmlAttributeValues) != null).FirstOrDefault(); //XmlNode xmlNode = xmlDoc.SelectSingleNode(xpath); if (xmlNode != null) { foreach (XmlNode node in xmlNode.ChildNodes) { if (node.Name.ToLower() == name.ToLower()) { //存在此節點則返回InnerText content = node.InnerText; break; } } } } catch (Exception ex) { throw ex; //這裏能夠定義你本身的異常處理 } return content; } #endregion #region XML文檔建立和節點或屬性的添加、修改 /// <summary> /// 建立一個XML文檔 /// </summary> /// <param name="xmlFileName">XML文檔徹底文件名(包含物理路徑)</param> /// <param name="rootNodeName">XML文檔根節點名稱(須指定一個根節點名稱)</param> /// <param name="version">XML文檔版本號(必須爲:"1.0")</param> /// <param name="encoding">XML文檔編碼方式</param> /// <param name="standalone">該值必須是"yes"或"no",若是爲null,Save方法不在XML聲明上寫出獨立屬性</param> /// <returns>成功返回true,失敗返回false</returns> public static bool CreateXmlDocument(string xmlFileName, string rootNodeName, string version, string encoding, string standalone) { bool isSuccess = false; try { XmlDocument xmlDoc = new XmlDocument(); XmlDeclaration xmlDeclaration = xmlDoc.CreateXmlDeclaration(version, encoding, standalone); XmlNode root = xmlDoc.CreateElement(rootNodeName); xmlDoc.AppendChild(xmlDeclaration); xmlDoc.AppendChild(root); xmlDoc.Save(xmlFileName); isSuccess = true; } catch (Exception ex) { throw ex; //這裏能夠定義你本身的異常處理 } return isSuccess; } /// <summary> /// 依據匹配XPath表達式的第一個節點來建立它的子節點(若是此節點已存在則追加一個新的同名節點 /// </summary> /// <param name="xmlFileName">XML文檔徹底文件名(包含物理路徑)</param> /// <param name="xpath">要匹配的XPath表達式(例如:"//節點名//子節點名</param> /// <param name="xmlNodeName">要匹配xmlNodeName的節點名稱</param> /// <param name="innerText">節點文本值</param> /// <param name="xmlAttributeName">要匹配xmlAttributeName的屬性名稱</param> /// <param name="value">屬性值</param> /// <returns>成功返回true,失敗返回false</returns> public static bool CreateXmlNodeByXPath(string xmlFileName, string xpath, string xmlNodeName, string innerText, string xmlAttributeName, string value) { bool isSuccess = false; XmlDocument xmlDoc = new XmlDocument(); try { xmlDoc.Load(xmlFileName); //加載XML文檔 XmlNode xmlNode = xmlDoc.SelectSingleNode(xpath); if (xmlNode != null) { //存不存在此節點都建立 XmlElement subElement = xmlDoc.CreateElement(xmlNodeName); subElement.InnerXml = innerText; //若是屬性和值參數都不爲空則在此新節點上新增屬性 if (!string.IsNullOrEmpty(xmlAttributeName) && !string.IsNullOrEmpty(value)) { XmlAttribute xmlAttribute = xmlDoc.CreateAttribute(xmlAttributeName); xmlAttribute.Value = value; subElement.Attributes.Append(xmlAttribute); } xmlNode.AppendChild(subElement); } xmlDoc.Save(xmlFileName); //保存到XML文檔 isSuccess = true; } catch (Exception ex) { throw ex; //這裏能夠定義你本身的異常處理 } return isSuccess; } /// <summary> /// 依據匹配XPath表達式的第一個節點來建立或更新它的子節點(若是節點存在則更新,不存在則建立) /// </summary> /// <param name="xmlFileName">XML文檔徹底文件名(包含物理路徑)</param> /// <param name="xpath">要匹配的XPath表達式(例如:"//節點名//子節點名</param> /// <param name="xmlNodeName">要匹配xmlNodeName的節點名稱</param> /// <param name="innerText">節點文本值</param> /// <returns>成功返回true,失敗返回false</returns> public static bool CreateOrUpdateXmlNodeByXPath(string xmlFileName, string xpath, string xmlNodeName, string innerText) { bool isSuccess = false; bool isExistsNode = false;//標識節點是否存在 XmlDocument xmlDoc = new XmlDocument(); try { xmlDoc.Load(xmlFileName); //加載XML文檔 //XmlNodeList xlist = xmlDoc.SelectNodes(xpath); //XmlNode xmlNode = xlist.Cast<XmlNode>().Where(o => o.InnerText == innerText).FirstOrDefault(); XmlNode xmlNode = xmlDoc.SelectSingleNode(xpath); if (xmlNode != null) { //遍歷xpath節點下的全部子節點 foreach (XmlNode node in xmlNode.ChildNodes) { //XmlAttribute att = node.Attributes.Cast<XmlAttribute>().Where(o => o.Name == innerText).FirstOrDefault(); if (node.Name.ToLower() == xmlNodeName.ToLower()) { //存在此節點則更新 node.InnerXml = innerText; isExistsNode = true; break; } } if (!isExistsNode) { //不存在此節點則建立 XmlElement subElement = xmlDoc.CreateElement(xmlNodeName); subElement.InnerXml = innerText; xmlNode.AppendChild(subElement); } } xmlDoc.Save(xmlFileName); //保存到XML文檔 isSuccess = true; } catch (Exception ex) { throw ex; //這裏能夠定義你本身的異常處理 } return isSuccess; } /// <summary> /// 依據匹配XPath表達式的第一個節點來建立或更新它的子節點(若是節點存在則更新,不存在則建立) /// </summary> /// <param name="xmlFileName">XML文檔徹底文件名(包含物理路徑)</param> /// <param name="xpath">要匹配的XPath表達式(例如:"//節點名//子節點名</param> /// <param name="xmlNodeName">要匹配xmlNodeName的節點名稱</param> /// <param name="innerText">節點文本值</param> /// <returns>成功返回true,失敗返回false</returns> public static bool CreateOrUpdateXmlNodeByXPath(string xmlFileName, string xpath, string xmlNodeName, string innerText, string XmlAttributeName, string XmlAttributeValues) { bool isSuccess = false; bool isExistsNode = false;//標識節點是否存在 XmlDocument xmlDoc = new XmlDocument(); try { xmlDoc.Load(xmlFileName); //加載XML文檔 XmlNode xmlNode = xmlDoc.SelectSingleNode(xpath); if (xmlNode != null) { //遍歷xpath節點下的全部子節點 foreach (XmlNode node in xmlNode.ChildNodes) { XmlAttribute att = node.Attributes.Cast<XmlAttribute>().Where(o => o.Name == XmlAttributeName && o.Value == XmlAttributeValues).FirstOrDefault(); if (att != null && node.Name.ToLower() == xmlNodeName.ToLower()) { //存在此節點則更新 node.InnerXml = innerText; isExistsNode = true; #region //遍歷xpath節點中的全部屬性 bool isExistsAttribute = false; foreach (XmlAttribute attribute in node.Attributes) { if (attribute.Name.ToLower() == XmlAttributeName.ToLower()) { //節點中存在此屬性則更新 attribute.Value = XmlAttributeValues; isExistsAttribute = true; break; } } if (!isExistsAttribute) { //節點中不存在此屬性則建立 XmlAttribute xmlAttribute = xmlDoc.CreateAttribute(XmlAttributeName); xmlAttribute.Value = XmlAttributeValues; node.Attributes.Append(xmlAttribute); } #endregion break; } } if (!isExistsNode) { //不存在此節點則建立 XmlElement subElement = xmlDoc.CreateElement(xmlNodeName); subElement.InnerXml = innerText; XmlAttribute xmlAttribute = xmlDoc.CreateAttribute(XmlAttributeName); xmlAttribute.Value = XmlAttributeValues; subElement.Attributes.Append(xmlAttribute); xmlNode.AppendChild(subElement); } } xmlDoc.Save(xmlFileName); //保存到XML文檔 isSuccess = true; } catch (Exception ex) { throw ex; //這裏能夠定義你本身的異常處理 } return isSuccess; } /// <summary> /// 依據匹配XPath表達式的第一個節點來建立或更新它的子節點(若是節點存在則更新,不存在則建立) /// </summary> /// <param name="xmlFileName">XML文檔徹底文件名(包含物理路徑)</param> /// <param name="xpath">要匹配的XPath表達式(例如:"//節點名//子節點名</param> /// <param name="xmlNodeName">要匹配xmlNodeName的節點名稱</param> /// <param name="innerText">節點文本值</param> /// <param name="parentinnerText">指定父節點文本值</param> /// <returns>成功返回true,失敗返回false</returns> public static bool CreateOrUpdateXmlNodeByXPath(string xmlFileName, string xpath, string xmlNodeName, string innerText, string parentAttributevalues) { bool isSuccess = false; bool isExistsNode = false;//標識節點是否存在 XmlDocument xmlDoc = new XmlDocument(); try { xmlDoc.Load(xmlFileName); //加載XML文檔 XmlNodeList xlist = xmlDoc.SelectNodes(xpath); //主要 XmlNode xmlNode = xlist.Cast<XmlNode>().Where(o => o.Attributes.Cast<XmlAttribute>().FirstOrDefault(a => a.Name == "Name" && a.Value == parentAttributevalues) != null).FirstOrDefault(); //XmlNode xmlNode = xmlDoc.SelectSingleNode(xpath); if (xmlNode != null) { //遍歷xpath節點下的全部子節點 foreach (XmlNode node in xmlNode.ChildNodes) { if (node.Name.ToLower() == xmlNodeName.ToLower()) { //存在此節點則更新 node.InnerXml = innerText; isExistsNode = true; break; } } if (!isExistsNode) { //不存在此節點則建立 XmlElement subElement = xmlDoc.CreateElement(xmlNodeName); subElement.InnerXml = innerText; xmlNode.AppendChild(subElement); } } xmlDoc.Save(xmlFileName); //保存到XML文檔 isSuccess = true; } catch (Exception ex) { throw ex; //這裏能夠定義你本身的異常處理 } return isSuccess; } /// <summary> /// 依據匹配XPath表達式的第一個節點來建立或更新它的屬性(若是屬性存在則更新,不存在則建立) /// </summary> /// <param name="xmlFileName">XML文檔徹底文件名(包含物理路徑)</param> /// <param name="xpath">要匹配的XPath表達式(例如:"//節點名//子節點名</param> /// <param name="xmlAttributeName">要匹配xmlAttributeName的屬性名稱</param> /// <param name="value">屬性值</param> /// <returns>成功返回true,失敗返回false</returns> public static bool CreateOrUpdateXmlAttributeByXPath(string xmlFileName, string xpath, string xmlAttributeName, string value) { bool isSuccess = false; bool isExistsAttribute = false;//標識屬性是否存在 XmlDocument xmlDoc = new XmlDocument(); try { xmlDoc.Load(xmlFileName); //加載XML文檔 XmlNode xmlNode = xmlDoc.SelectSingleNode(xpath); if (xmlNode != null) { //遍歷xpath節點中的全部屬性 foreach (XmlAttribute attribute in xmlNode.Attributes) { if (attribute.Name.ToLower() == xmlAttributeName.ToLower()) { //節點中存在此屬性則更新 attribute.Value = value; isExistsAttribute = true; break; } } if (!isExistsAttribute) { //節點中不存在此屬性則建立 XmlAttribute xmlAttribute = xmlDoc.CreateAttribute(xmlAttributeName); xmlAttribute.Value = value; xmlNode.Attributes.Append(xmlAttribute); } } xmlDoc.Save(xmlFileName); //保存到XML文檔 isSuccess = true; } catch (Exception ex) { throw ex; //這裏能夠定義你本身的異常處理 } return isSuccess; } #endregion #region XML文檔節點或屬性的刪除 /// <summary> /// 刪除匹配XPath表達式的第一個節點(節點中的子元素同時會被刪除) /// </summary> /// <param name="xmlFileName">XML文檔徹底文件名(包含物理路徑)</param> /// <param name="xpath">要匹配的XPath表達式(例如:"//節點名//子節點名</param> /// <returns>成功返回true,失敗返回false</returns> public static bool DeleteXmlNodeByXPath(string xmlFileName, string xpath) { bool isSuccess = false; XmlDocument xmlDoc = new XmlDocument(); try { xmlDoc.Load(xmlFileName); //加載XML文檔 XmlNode xmlNode = xmlDoc.SelectSingleNode(xpath); if (xmlNode != null) { //刪除節點 xmlNode.ParentNode.RemoveChild(xmlNode); } xmlDoc.Save(xmlFileName); //保存到XML文檔 isSuccess = true; } catch (Exception ex) { throw ex; //這裏能夠定義你本身的異常處理 } return isSuccess; } /// <summary> /// 刪除匹配XPath表達式的第一個節點中的匹配參數xmlAttributeName的屬性 /// </summary> /// <param name="xmlFileName">XML文檔徹底文件名(包含物理路徑)</param> /// <param name="xpath">要匹配的XPath表達式(例如:"//節點名//子節點名</param> /// <param name="xmlAttributeName">要刪除的xmlAttributeName的屬性名稱</param> /// <returns>成功返回true,失敗返回false</returns> public static bool DeleteXmlAttributeByXPath(string xmlFileName, string xpath, string xmlAttributeName) { bool isSuccess = false; bool isExistsAttribute = false; XmlDocument xmlDoc = new XmlDocument(); try { xmlDoc.Load(xmlFileName); //加載XML文檔 XmlNode xmlNode = xmlDoc.SelectSingleNode(xpath); XmlAttribute xmlAttribute = null; if (xmlNode != null) { //遍歷xpath節點中的全部屬性 foreach (XmlAttribute attribute in xmlNode.Attributes) { if (attribute.Name.ToLower() == xmlAttributeName.ToLower()) { //節點中存在此屬性 xmlAttribute = attribute; isExistsAttribute = true; break; } } if (isExistsAttribute) { //刪除節點中的屬性 xmlNode.Attributes.Remove(xmlAttribute); } } xmlDoc.Save(xmlFileName); //保存到XML文檔 isSuccess = true; } catch (Exception ex) { throw ex; //這裏能夠定義你本身的異常處理 } return isSuccess; } /// <summary> /// 刪除匹配XPath表達式的第一個節點中的全部屬性 /// </summary> /// <param name="xmlFileName">XML文檔徹底文件名(包含物理路徑)</param> /// <param name="xpath">要匹配的XPath表達式(例如:"//節點名//子節點名</param> /// <returns>成功返回true,失敗返回false</returns> public static bool DeleteAllXmlAttributeByXPath(string xmlFileName, string xpath) { bool isSuccess = false; XmlDocument xmlDoc = new XmlDocument(); try { xmlDoc.Load(xmlFileName); //加載XML文檔 XmlNode xmlNode = xmlDoc.SelectSingleNode(xpath); if (xmlNode != null) { //遍歷xpath節點中的全部屬性 xmlNode.Attributes.RemoveAll(); } xmlDoc.Save(xmlFileName); //保存到XML文檔 isSuccess = true; } catch (Exception ex) { throw ex; //這裏能夠定義你本身的異常處理 } return isSuccess; } #endregion } }
添加 FormHelper ide
using System; using System.Windows.Forms; namespace Test { public class FormHelper { //這是XML文檔物理文件名(包含物理路徑) private static string xmlFileName = Application.StartupPath + @"\Config\parameter.xml"; //這是XML文檔根節點名 private static string rootNodeName = "Forms"; /// <summary> /// 保存控件參數 /// 放到FormClosing事件裏 /// </summary> /// <param name="c"></param> public static void SetFormParam(Control c) { CreatXml(); string str = ""; GetParam(c, ref str); str = str.TrimEnd('|'); //保存xml文檔 string xpath = "/" + rootNodeName; //這是新節點的父節點路徑/Forms string nodename = "FormName"; //這是新節點名稱,在父節點下新增 string nodetext = c.Text;//窗體名 bool isSuccess = XMLHelper.CreateOrUpdateXmlNodeByXPath(xmlFileName, xpath, nodename, "", "Name", nodetext); string xpath2 = xpath + "/" + nodename; //這是新子節點的父節點路徑/Forms/FormName string nodename2 = "parm"; //這是新子節點名稱,在父節點下新增 string nodetext2 = str;//窗體控件參數字符串 isSuccess = XMLHelper.CreateOrUpdateXmlNodeByXPath(xmlFileName, xpath2, nodename2, nodetext2, nodetext); } /// <summary> /// 加載控件參數 /// 放到Load事件尾 /// </summary> /// <param name="c"></param> public static void LoadFormParam(Control c) { //獲取xml參數文檔 if (System.IO.File.Exists(xmlFileName)) { string xpath = "/" + rootNodeName + "/FormName"; string parm = XMLHelper.GetXmlByAttribute(xmlFileName, xpath, "parm", "Name", c.Text); SetParam(c, parm); } } private static void CreatXml() { if (!System.IO.File.Exists(xmlFileName)) { if (!System.IO.Directory.Exists(System.IO.Path.GetDirectoryName(xmlFileName))) System.IO.Directory.CreateDirectory(System.IO.Path.GetDirectoryName(xmlFileName)); XMLHelper.CreateXmlDocument(xmlFileName, rootNodeName, "1.0", "utf-8", null); //MessageBox.Show("XML文檔建立成功:" + xmlFileName); } } private static void GetParam(Control c, ref string str) { try { foreach (Control ctl in c.Controls) { if (ctl is TextBox) { TextBox tx = ctl as TextBox; str += tx.Name + "$" + tx.Text + "|"; } if (ctl is CheckBox) { CheckBox tx = ctl as CheckBox; str += tx.Name + "$" + tx.Checked + "|"; } if (ctl is ComboBox) { ComboBox tx = ctl as ComboBox; str += tx.Name + "$" + tx.SelectedIndex.ToString() + "|"; } if (ctl.Controls.Count > 0) GetParam(ctl, ref str); } } catch (Exception) { } } private static void SetParam(Control c, string parm) { try { foreach (Control ctl in c.Controls) { foreach (string str in parm.Split('|')) { if (ctl.Name == str.Split('$')[0]) { if (ctl is TextBox) { TextBox tx = ctl as TextBox; tx.Text = str.Split('$')[1]; } if (ctl is CheckBox) { CheckBox tx = ctl as CheckBox; tx.Checked = Convert.ToBoolean(str.Split('$')[1]); } if (ctl is ComboBox) { ComboBox tx = ctl as ComboBox; tx.SelectedIndex = Convert.ToInt32(str.Split('$')[1]); } } } if (ctl.Controls.Count > 0) SetParam(ctl, parm); } } catch (Exception) { } } } }
保存參數函數
private void Form1_FormClosing(object sender, FormClosingEventArgs e) { FormHelper.SetFormParam(this); }
回讀參數測試
private void Form1_Load(object sender, EventArgs e) { FormHelper.LoadFormParam(this); }
xml 文檔this
<?xml version="1.0" encoding="utf-8"?> <Forms> <FormName Name="測試"> <parm>comboBox1$2|checkBox1$True|textBox3$pantext|textBox2$sfafas|textBox1$123</parm> </FormName> <FormName Name="Form1"> <parm>textBox3$pantext|textBox2$sfafas|textBox1$123</parm> </FormName> </Forms>
測試界面編碼
只作了TextBox、CheckBox、ComboBox參數保存 如需增長自行修改FormHelper裏的GetParam和SetParam方法spa