/// <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)
{
LogMg.AddError(ex);
return(null);
}
}
/// <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)
{
LogMg.AddError(ex);
DEBUG.ThrowException(ex);
}
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
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)
{
LogMg.AddError(ex);
DEBUG.ThrowException(ex);
}
return(isSuccess);
}
/// <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)
{
LogMg.AddError(ex);
DEBUG.ThrowException(ex);
}
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)
{
LogMg.AddError(ex);
DEBUG.ThrowException(ex);
}
return(isSuccess);
}
/// <summary>
/// JSON反序列化
/// </summary>
public static T JsonDeserialize <T>(string jsonString)
{
T obj = default(T);
try
{
//将”yyyy-MM-dd HH:mm:ss”格式的字符串转为”\/Date(1294499956278+0800)\/”格式
string p = @"\d{4}-\d{2}-\d{2}\s\d{2}:\d{2}:\d{2}";
MatchEvaluator matchEvaluator = new MatchEvaluator(ConvertDateStringToJsonDate);
Regex reg = new Regex(p);
jsonString = reg.Replace(jsonString, matchEvaluator);
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));
MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(jsonString));
obj = (T)ser.ReadObject(ms);
}
catch (Exception ex)
{
LogMg.AddError(ex);
DEBUG.ThrowException(ex);
}
return(obj);
}
/// <summary>
/// JSON序列化
/// </summary>
public static string JsonSerializer <T>(T t)
{
string jsonString = "";
try
{
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));
MemoryStream ms = new MemoryStream();
ser.WriteObject(ms, t);
jsonString = Encoding.UTF8.GetString(ms.ToArray());
ms.Close();
//替换Json的Date字符串
string p = @"\\/Date\((\d+)\+\d+\)\\/";
MatchEvaluator matchEvaluator = new MatchEvaluator(ConvertJsonDateToDateString);
Regex reg = new Regex(p);
jsonString = reg.Replace(jsonString, matchEvaluator);
}
catch (Exception ex)
{
LogMg.AddError(ex);
DEBUG.ThrowException(ex);
}
return(jsonString);
}
/// <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)
{
LogMg.AddError(ex);
DEBUG.ThrowException(ex);
}
return(isSuccess);
}
