原文博客：https://www.cnblogs.com/zszh/p/10964453.html
引用网上的 XMLHelper 地址 ：https://www.cnblogs.com/chnboy/archive/2009/04/02/1427652.html
稍做修改
using System;
using System.Linq;
using System.Xml; namespace FormTest
{
/// <summary>
/// XMLHelper XML文档操作管理器
/// </summary>
public class XMLHelper
{
public XMLHelper()
{
//
// TODO: 在此处添加构造函数逻辑
//
} #region XML文档节点查询和读取
/// <summary>
/// 选择匹配XPath表达式的第一个节点XmlNode.
/// </summary>
/// <param name="xmlFileName">XML文档完全文件名(包含物理路径)</param>
/// <param name="xpath">要匹配的XPath表达式(例如:"//节点名//子节点名")</param>
/// <returns>返回XmlNode</returns>
public static XmlNode GetXmlNodeByXpath(string xmlFileName, string xpath)
{
XmlDocument xmlDoc = new XmlDocument();
try
{
xmlDoc.Load(xmlFileName); //加载XML文档
XmlNode xmlNode = xmlDoc.SelectSingleNode(xpath);
return xmlNode;
}
catch (Exception ex)
{
return null;
//throw ex; //这里可以定义你自己的异常处理
}
} /// <summary>
/// 选择匹配XPath表达式的节点列表XmlNodeList.
/// </summary>
/// <param name="xmlFileName">XML文档完全文件名(包含物理路径)</param>
/// <param name="xpath">要匹配的XPath表达式(例如:"//节点名//子节点名")</param>
/// <returns>返回XmlNodeList</returns>
public static XmlNodeList GetXmlNodeListByXpath(string xmlFileName, string xpath)
{
XmlDocument xmlDoc = new XmlDocument(); try
{
xmlDoc.Load(xmlFileName); //加载XML文档
XmlNodeList xmlNodeList = xmlDoc.SelectNodes(xpath);
return xmlNodeList;
}
catch (Exception ex)
{
return null;
//throw ex; //这里可以定义你自己的异常处理
}
} /// <summary>
/// 选择匹配XPath表达式的第一个节点的匹配xmlAttributeName的属性XmlAttribute.
/// </summary>
/// <param name="xmlFileName">XML文档完全文件名(包含物理路径)</param>
/// <param name="xpath">要匹配的XPath表达式(例如:"//节点名//子节点名</param>
/// <param name="xmlAttributeName">要匹配xmlAttributeName的属性名称</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); //加载XML文档
XmlNode xmlNode = xmlDoc.SelectSingleNode(xpath);
if (xmlNode != null)
{
if (xmlNode.Attributes.Count > )
{
xmlAttribute = xmlNode.Attributes[xmlAttributeName];
}
}
}
catch (Exception ex)
{
throw ex; //这里可以定义你自己的异常处理
}
return xmlAttribute;
}
/// <summary>
/// 选择匹配XPath表达式的第一个节点的匹配xmlAttributeName的属性XmlAttribute.
/// </summary>
/// <param name="xmlFileName">XML文档完全文件名(包含物理路径)</param>
/// <param name="xpath">要匹配的XPath表达式(例如:"//节点名//子节点名</param>
/// <param name="name">要匹配xmlAttributeName的属性的子节点名称</param>
/// <param name="xmlAttributeName">要匹配xmlAttributeName的属性名称</param>
/// <param name="xmlAttributeValues">要匹配xmlAttributeName的属性值</param>
/// <returns>返回xmlAttributeName的属性的子节点名称InnerText</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); //加载XML文档
//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())
{
//存在此节点则返回InnerText
content = node.InnerText;
break;
}
}
}
}
catch (Exception ex)
{
throw ex; //这里可以定义你自己的异常处理
}
return content;
}
/// <summary>
/// 选择匹配XPath表达式的第一个节点的匹配xmlAttributeName的属性XmlAttribute.
/// </summary>
/// <param name="xmlFileName"></param>
/// <param name="xpath"></param>
/// <param name="xmlAttributeName">要匹配xmlAttributeName的属性名称</param>
/// <param name="xmlAttributeValues">要匹配xmlAttributeName的属性值</param>
/// <returns>返回节点InnerText</returns>
public static string GetXmlByAttribute(string xmlFileName, string xpath, string xmlAttributeName, string xmlAttributeValues)
{
string content = string.Empty;
XmlDocument xmlDoc = new XmlDocument();
try
{
xmlDoc.Load(xmlFileName); //加载XML文档
//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)
{
content = xmlNode.InnerText;
}
}
catch (Exception ex)
{
throw ex; //这里可以定义你自己的异常处理
}
return content;
}
#endregion #region XML文档创建和节点或属性的添加、修改
/// <summary>
/// 创建一个XML文档
/// </summary>
/// <param name="xmlFileName">XML文档完全文件名(包含物理路径)</param>
/// <param name="rootNodeName">XML文档根节点名称(须指定一个根节点名称)</param>
/// <param name="version">XML文档版本号(必须为:"1.0")</param>
/// <param name="encoding">XML文档编码方式</param>
/// <param name="standalone">该值必须是"yes"或"no",如果为null,Save方法不在XML声明上写出独立属性</param>
/// <returns>成功返回true,失败返回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; //这里可以定义你自己的异常处理
}
return isSuccess;
} /// <summary>
/// 依据匹配XPath表达式的第一个节点来创建它的子节点(如果此节点已存在则追加一个新的同名节点
/// </summary>
/// <param name="xmlFileName">XML文档完全文件名(包含物理路径)</param>
/// <param name="xpath">要匹配的XPath表达式(例如:"//节点名//子节点名</param>
/// <param name="xmlNodeName">要匹配xmlNodeName的节点名称</param>
/// <param name="innerText">节点文本值</param>
/// <param name="xmlAttributeName">要匹配xmlAttributeName的属性名称</param>
/// <param name="value">属性值</param>
/// <returns>成功返回true,失败返回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); //加载XML文档
XmlNode xmlNode = xmlDoc.SelectSingleNode(xpath);
if (xmlNode != null)
{
//存不存在此节点都创建
XmlElement subElement = xmlDoc.CreateElement(xmlNodeName);
subElement.InnerXml = innerText; //如果属性和值参数都不为空则在此新节点上新增属性
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文档
isSuccess = true;
}
catch (Exception ex)
{
throw ex; //这里可以定义你自己的异常处理
}
return isSuccess;
} /// <summary>
/// 依据匹配XPath表达式的第一个节点来创建或更新它的子节点(如果节点存在则更新,不存在则创建)
/// </summary>
/// <param name="xmlFileName">XML文档完全文件名(包含物理路径)</param>
/// <param name="xpath">要匹配的XPath表达式(例如:"//节点名//子节点名</param>
/// <param name="xmlNodeName">要匹配xmlNodeName的节点名称</param>
/// <param name="innerText">节点文本值</param>
/// <returns>成功返回true,失败返回false</returns>
public static bool CreateOrUpdateXmlNodeByXPath(string xmlFileName, string xpath, string xmlNodeName, string innerText)
{
bool isSuccess = false;
bool isExistsNode = false;//标识节点是否存在
XmlDocument xmlDoc = new XmlDocument();
try
{
xmlDoc.Load(xmlFileName); //加载XML文档
//XmlNodeList xlist = xmlDoc.SelectNodes(xpath);
//XmlNode xmlNode = xlist.Cast<XmlNode>().Where(o => o.InnerText == innerText).FirstOrDefault();
XmlNode xmlNode = xmlDoc.SelectSingleNode(xpath);
if (xmlNode != null)
{
//遍历xpath节点下的所有子节点
foreach (XmlNode node in xmlNode.ChildNodes)
{
//XmlAttribute att = node.Attributes.Cast<XmlAttribute>().Where(o => o.Name == innerText).FirstOrDefault();
if (node.Name.ToLower() == xmlNodeName.ToLower())
{
//存在此节点则更新
node.InnerXml = innerText;
isExistsNode = true;
break;
}
}
if (!isExistsNode)
{
//不存在此节点则创建
XmlElement subElement = xmlDoc.CreateElement(xmlNodeName);
subElement.InnerXml = innerText;
xmlNode.AppendChild(subElement);
}
}
xmlDoc.Save(xmlFileName); //保存到XML文档
isSuccess = true;
}
catch (Exception ex)
{
throw ex; //这里可以定义你自己的异常处理
}
return isSuccess;
} /// <summary>
/// 依据匹配XPath表达式的第一个节点来创建或更新它的子节点(如果节点存在则更新,不存在则创建)
/// </summary>
/// <param name="xmlFileName">XML文档完全文件名(包含物理路径)</param>
/// <param name="xpath">要匹配的XPath表达式(例如:"//节点名//子节点名</param>
/// <param name="xmlNodeName">要匹配xmlNodeName的节点名称</param>
/// <param name="innerText">节点文本值</param>
/// <returns>成功返回true,失败返回false</returns>
public static bool CreateOrUpdateXmlNodeByXPath(string xmlFileName, string xpath, string xmlNodeName, string innerText, string XmlAttributeName, string XmlAttributeValues)
{
bool isSuccess = false;
bool isExistsNode = false;//标识节点是否存在
XmlDocument xmlDoc = new XmlDocument();
try
{
xmlDoc.Load(xmlFileName); //加载XML文档
XmlNode xmlNode = xmlDoc.SelectSingleNode(xpath);
if (xmlNode != null)
{
//遍历xpath节点下的所有子节点
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())
{
//存在此节点则更新
node.InnerXml = innerText;
isExistsNode = true;
#region //遍历xpath节点中的所有属性
bool isExistsAttribute = false;
foreach (XmlAttribute attribute in node.Attributes)
{
if (attribute.Name.ToLower() == XmlAttributeName.ToLower())
{
//节点中存在此属性则更新
attribute.Value = XmlAttributeValues;
isExistsAttribute = true;
break;
}
}
if (!isExistsAttribute)
{
//节点中不存在此属性则创建
XmlAttribute xmlAttribute = xmlDoc.CreateAttribute(XmlAttributeName);
xmlAttribute.Value = XmlAttributeValues;
node.Attributes.Append(xmlAttribute);
}
#endregion
break;
}
}
if (!isExistsNode)
{
//不存在此节点则创建
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文档
isSuccess = true;
}
catch (Exception ex)
{
throw ex; //这里可以定义你自己的异常处理
}
return isSuccess;
} /// <summary>
/// 依据匹配XPath表达式的第一个节点来创建或更新它的子节点(如果节点存在则更新,不存在则创建)
/// </summary>
/// <param name="xmlFileName">XML文档完全文件名(包含物理路径)</param>
/// <param name="xpath">要匹配的XPath表达式(例如:"//节点名//子节点名</param>
/// <param name="xmlNodeName">要匹配xmlNodeName的节点名称</param>
/// <param name="innerText">节点文本值</param>
/// <param name="parentinnerText">指定父节点文本值</param>
/// <returns>成功返回true,失败返回false</returns>
public static bool CreateOrUpdateXmlNodeByXPath(string xmlFileName, string xpath, string xmlNodeName, string innerText, string parentAttributevalues)
{
bool isSuccess = false;
bool isExistsNode = false;//标识节点是否存在
XmlDocument xmlDoc = new XmlDocument();
try
{
xmlDoc.Load(xmlFileName); //加载XML文档
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)
{
//遍历xpath节点下的所有子节点
foreach (XmlNode node in xmlNode.ChildNodes)
{
if (node.Name.ToLower() == xmlNodeName.ToLower())
{
//存在此节点则更新
node.InnerXml = innerText;
isExistsNode = true;
break;
}
}
if (!isExistsNode)
{
//不存在此节点则创建
XmlElement subElement = xmlDoc.CreateElement(xmlNodeName);
subElement.InnerXml = innerText;
xmlNode.AppendChild(subElement);
}
}
xmlDoc.Save(xmlFileName); //保存到XML文档
isSuccess = true;
}
catch (Exception ex)
{
throw ex; //这里可以定义你自己的异常处理
}
return isSuccess;
} /// <summary>
/// 依据匹配XPath表达式的第一个节点来创建或更新它的属性(如果属性存在则更新,不存在则创建)
/// </summary>
/// <param name="xmlFileName">XML文档完全文件名(包含物理路径)</param>
/// <param name="xpath">要匹配的XPath表达式(例如:"//节点名//子节点名</param>
/// <param name="xmlAttributeName">要匹配xmlAttributeName的属性名称</param>
/// <param name="value">属性值</param>
/// <returns>成功返回true,失败返回false</returns>
public static bool CreateOrUpdateXmlAttributeByXPath(string xmlFileName, string xpath, string xmlAttributeName, string value)
{
bool isSuccess = false;
bool isExistsAttribute = false;//标识属性是否存在
XmlDocument xmlDoc = new XmlDocument();
try
{
xmlDoc.Load(xmlFileName); //加载XML文档
XmlNode xmlNode = xmlDoc.SelectSingleNode(xpath);
if (xmlNode != null)
{
//遍历xpath节点中的所有属性
foreach (XmlAttribute attribute in xmlNode.Attributes)
{
if (attribute.Name.ToLower() == xmlAttributeName.ToLower())
{
//节点中存在此属性则更新
attribute.Value = value;
isExistsAttribute = true;
break;
}
}
if (!isExistsAttribute)
{
//节点中不存在此属性则创建
XmlAttribute xmlAttribute = xmlDoc.CreateAttribute(xmlAttributeName);
xmlAttribute.Value = value;
xmlNode.Attributes.Append(xmlAttribute);
}
}
xmlDoc.Save(xmlFileName); //保存到XML文档
isSuccess = true;
}
catch (Exception ex)
{
throw ex; //这里可以定义你自己的异常处理
}
return isSuccess;
}
#endregion #region XML文档节点或属性的删除
/// <summary>
/// 删除匹配XPath表达式的第一个节点(节点中的子元素同时会被删除)
/// </summary>
/// <param name="xmlFileName">XML文档完全文件名(包含物理路径)</param>
/// <param name="xpath">要匹配的XPath表达式(例如:"//节点名//子节点名</param>
/// <returns>成功返回true,失败返回false</returns>
public static bool DeleteXmlNodeByXPath(string xmlFileName, string xpath)
{
bool isSuccess = false;
XmlDocument xmlDoc = new XmlDocument();
try
{
xmlDoc.Load(xmlFileName); //加载XML文档
XmlNode xmlNode = xmlDoc.SelectSingleNode(xpath);
if (xmlNode != null)
{
//删除节点
xmlNode.ParentNode.RemoveChild(xmlNode);
}
xmlDoc.Save(xmlFileName); //保存到XML文档
isSuccess = true;
}
catch (Exception ex)
{
throw ex; //这里可以定义你自己的异常处理
}
return isSuccess;
} /// <summary>
/// 删除匹配XPath表达式的第一个节点中的匹配参数xmlAttributeName的属性
/// </summary>
/// <param name="xmlFileName">XML文档完全文件名(包含物理路径)</param>
/// <param name="xpath">要匹配的XPath表达式(例如:"//节点名//子节点名</param>
/// <param name="xmlAttributeName">要删除的xmlAttributeName的属性名称</param>
/// <returns>成功返回true,失败返回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); //加载XML文档
XmlNode xmlNode = xmlDoc.SelectSingleNode(xpath);
XmlAttribute xmlAttribute = null;
if (xmlNode != null)
{
//遍历xpath节点中的所有属性
foreach (XmlAttribute attribute in xmlNode.Attributes)
{
if (attribute.Name.ToLower() == xmlAttributeName.ToLower())
{
//节点中存在此属性
xmlAttribute = attribute;
isExistsAttribute = true;
break;
}
}
if (isExistsAttribute)
{
//删除节点中的属性
xmlNode.Attributes.Remove(xmlAttribute);
}
}
xmlDoc.Save(xmlFileName); //保存到XML文档
isSuccess = true;
}
catch (Exception ex)
{
throw ex; //这里可以定义你自己的异常处理
}
return isSuccess;
} /// <summary>
/// 删除匹配XPath表达式的第一个节点中的所有属性
/// </summary>
/// <param name="xmlFileName">XML文档完全文件名(包含物理路径)</param>
/// <param name="xpath">要匹配的XPath表达式(例如:"//节点名//子节点名</param>
/// <returns>成功返回true,失败返回false</returns>
public static bool DeleteAllXmlAttributeByXPath(string xmlFileName, string xpath)
{
bool isSuccess = false;
XmlDocument xmlDoc = new XmlDocument();
try
{
xmlDoc.Load(xmlFileName); //加载XML文档
XmlNode xmlNode = xmlDoc.SelectSingleNode(xpath);
if (xmlNode != null)
{
//遍历xpath节点中的所有属性
xmlNode.Attributes.RemoveAll();
}
xmlDoc.Save(xmlFileName); //保存到XML文档
isSuccess = true;
}
catch (Exception ex)
{
throw ex; //这里可以定义你自己的异常处理
}
return isSuccess;
}
#endregion }
}
添加 FormHelper
using System;
using System.Windows.Forms; namespace WideNetCommTestTool.Helper
{
public class FormHelper
{
private static readonly object __lock__ = new object();
//这是XML文档物理文件名（包含物理路径）
private static string xmlFileName = Application.StartupPath + @"\Config\parameter.xml";
//这是XML文档根节点名
private static string rootNodeName = "Forms"; /// <summary>
/// 保存控件参数
/// 放到FormClosing事件里
/// </summary>
/// <param name="c"></param>
public static void SetFormParam(Control c)
{
CreatXml();
string str = "";
GetParam(c, ref str);
str = str.TrimEnd('|');
//保存xml文档
string xpath = "/" + rootNodeName; //这是新节点的父节点路径/Forms
string nodename = "FormName"; //这是新节点名称,在父节点下新增
string nodetext = c.Text;//窗体名
bool isSuccess = XMLHelper.CreateOrUpdateXmlNodeByXPath(xmlFileName, xpath, nodename, "", "Name", nodetext); string xpath2 = xpath + "/" + nodename; //这是新子节点的父节点路径/Forms/FormName
string nodename2 = "parm"; //这是新子节点名称,在父节点下新增
string nodetext2 = str;//窗体控件参数字符串
isSuccess = XMLHelper.CreateOrUpdateXmlNodeByXPath(xmlFileName, xpath2, nodename2, nodetext2, nodetext);
} /// <summary>
/// 加载控件参数
/// 放到Load事件尾
/// </summary>
/// <param name="c"></param>
public static void LoadFormParam(Control c)
{
//获取xml参数文档
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文档创建成功:" + 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 + "$" + tx.Text + "|";
}
else if (ctl is CheckBox)
{
CheckBox tx = ctl as CheckBox;
str += tx.Name + "$" + tx.Checked + "|";
}
else if (ctl is ComboBox)
{
ComboBox tx = ctl as ComboBox;
//str += tx.Name + "$" + tx.SelectedIndex.ToString() + "|";
str += tx.Name + "$" + tx.Text + "|";
}
if (ctl.Controls.Count > ) 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('$')[])
{
if (ctl is TextBox)
{
TextBox tx = ctl as TextBox;
tx.Text = str.Split('$')[];
}
else if (ctl is CheckBox)
{
CheckBox tx = ctl as CheckBox;
tx.Checked = Convert.ToBoolean(str.Split('$')[]);
}
else if (ctl is ComboBox)
{
ComboBox tx = ctl as ComboBox;
//tx.SelectedIndex = Convert.ToInt32(str.Split('$')[1]);
string val = str.Split('$')[];
if (tx.Items.Contains(val)) { tx.Text = val; }
}
}
}
if (ctl.Controls.Count > ) SetParam(ctl, parm);
}
}
catch (Exception)
{
}
} #region 参数保存
private static string xmlparamFileName = Application.StartupPath + @"\Config\param.xml";
/// <summary>
/// 保存参数
/// </summary>
/// <param name="paramname">参数名</param>
/// <param name="paramvalues">参数值</param>
public static void SetValue(string paramname, object paramvalues)
{
setvalues(paramname, paramvalues.ToString());
}
/// <summary>
/// 获取参数
/// </summary>
/// <param name="paramname">参数名</param>
/// <param name="def">默认值</param>
/// <returns></returns>
public static string GetValue(string paramname, string def = "")
{
string str = getvalues(paramname);
if (str == "") str = def;
return str;
}
/// <summary>
/// 获取参数
/// </summary>
/// <param name="paramname">参数名</param>
/// <param name="def">默认值</param>
/// <returns></returns>
public static bool GetBoolValue(string paramname, bool def = false)
{
bool b = false;
try
{
string str = getvalues(paramname);
if (str == "") return def;
b = Convert.ToBoolean(str.Trim());
}
catch (Exception)
{
b = def;
}
return b;
}
/// <summary>
/// 获取参数
/// </summary>
/// <param name="paramname">参数名</param>
/// <param name="def">默认值</param>
/// <returns></returns>
public static int GetIntValue(string paramname, int def = -)
{
try
{
double val = GetDoubleValue(paramname, def);
return Convert.ToInt32(val);
}
catch (Exception)
{
return def;
}
}
/// <summary>
/// 获取参数
/// </summary>
/// <param name="paramname">参数名</param>
/// <param name="def">默认值</param>
/// <returns></returns>
public static double GetDoubleValue(string paramname, double def = -)
{
try
{
string str = getvalues(paramname);
if (str == "") return def;
return Convert.ToDouble(str.Trim());
}
catch (Exception)
{
return def;
}
}
private static void setvalues(string paramname, string paramvalues)
{
lock (__lock__)
{
string root = "params";
if (!System.IO.File.Exists(xmlparamFileName))
{
if (!System.IO.Directory.Exists(System.IO.Path.GetDirectoryName(xmlparamFileName)))
System.IO.Directory.CreateDirectory(System.IO.Path.GetDirectoryName(xmlparamFileName));
XMLHelper.CreateXmlDocument(xmlparamFileName, root, "1.0", "utf-8", null);
} string xpath = "/" + root; //这是新节点的父节点路径/Forms
string nodename = "param"; //这是新节点名称,在父节点下新增
string nodetext = paramname;
bool isSuccess = XMLHelper.CreateOrUpdateXmlNodeByXPath(xmlparamFileName, xpath, nodename, paramvalues, "Name", nodetext);
}
}
private static string getvalues(string paramname)
{
lock (__lock__)
{
string str = string.Empty;
//获取xml参数文档
if (System.IO.File.Exists(xmlparamFileName))
{
string xpath = "/params/param";
str = XMLHelper.GetXmlByAttribute(xmlparamFileName, xpath, "Name", paramname);
}
return str;
}
}
#endregion #region 保存树控件勾选状态
/// <summary>
/// 获取树勾选状态参数
/// Closeing
/// </summary>
/// <returns></returns>
public static void SetTreeParam(TreeView tv, string setname)
{
string str = "";
foreach (TreeNode t in tv.Nodes)
{
str += t.Text + "$" + t.Checked + "|";
if (t.Nodes.Count > ) GetNodeByValue(t, ref str);
}
setvalues(setname, str);
}
/// <summary>
/// 设置树勾选状态
/// Load
/// </summary>
/// <param name="param"></param>
public static void GetTreeParam(TreeView tv, string setname)
{
try
{
string param = getvalues(setname);
foreach (TreeNode t in tv.Nodes)
{
foreach (string str in param.Split('|'))
{
if (t.Text == str.Split('$')[])
{
t.Checked = Convert.ToBoolean(str.Split('$')[]);
}
}
if (t.Nodes.Count > ) SetNodeByValue(t, param);
}
}
catch (Exception ex)
{
}
}
private static void GetNodeByValue(TreeNode tnParent, ref string strValue)
{
foreach (TreeNode tn in tnParent.Nodes)
{
strValue += tn.Text + "$" + tn.Checked + "|";
if (tn.Nodes.Count > ) GetNodeByValue(tn, ref strValue);
}
}
private static void SetNodeByValue(TreeNode tnParent, string parm)
{
foreach (TreeNode tn in tnParent.Nodes)
{
foreach (string str in parm.Split('|'))
{
if (tn.Text == str.Split('$')[])
{
tn.Checked = Convert.ToBoolean(str.Split('$')[]);
}
}
if (tn.Nodes.Count > ) SetNodeByValue(tn, parm);
}
}
#endregion
}
}
界面调用
保存参数
private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
FormHelper.SetFormParam(this);
}
回读参数
private void Form1_Load(object sender, EventArgs e)
{
FormHelper.LoadFormParam(this);
}
xml 文档
<?xml version="1.0" encoding="utf-8"?>
<Forms>
<FormName Name="测试">
<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>
测试界面
只做了TextBox、CheckBox、ComboBox参数保存 如需增加自行修改FormHelper里的GetParam和SetParam方法
单个参数保存
示例
FormHelper.SetValue("132", "125646546793");
FormHelper.SetValue("", 45678.012);
double d = FormHelper.GetDoubleValue("");
int a = FormHelper.GetIntValue("132",4566);
bool b = FormHelper.GetBoolValue("dsfs");
生成的xml文档
<?xml version="1.0" encoding="utf-8"?>
<params>
<param Name="132">125646546793</param>
<param Name="">45678.012</param>
</params>