public class OperationXML
{
#region 读取配置文件某项的值
/// <summary>
/// 读取配置文件某项的值
/// </summary>
/// <param name="key">Key的名称</param>
/// <param name="configpath">路径</param>
/// <param name="fileName">文件名</param>
/// <param name="SingleNode">节点名称</param>
/// <returns></returns>
public static string GetConfigByfileName(string configpath, string fileName, string SingleNode, string key)
{
try
{
//string str = System.IO.Path.Combine(Application.StartupPath, "App.config");
//获取配置文件的路径
string str = configpath + "\\" + fileName;
//定义XML
XmlDocument xmlDOC = new XmlDocument();
//加载App.config
xmlDOC.Load(str);
XmlNode xmlNod;
XmlElement xmlele1;
//查询appSettings节点中的信息
xmlNod = xmlDOC.SelectSingleNode("//" + SingleNode);
//查询字节点Key的信息
xmlele1 = (XmlElement)xmlNod.SelectSingleNode("//add[@key='" + key + "']");
//判断是否已经存在查询的子节点，存在则为读取出该子节点的信息，不存在则为返回空
if (xmlele1 != null)
{
return xmlele1.GetAttribute("value");
}
else
{
return "";
}
}
catch (Exception ex)
{
LogHelper.WriteLog(typeof(OperationXML), ex);
return "";
}
}
#endregion
#region 修改配置文件
/// <summary>
/// 修改配置文件
/// </summary>
/// <param name="configpath">路径</param>
/// <param name="fileName">文件名</param>
/// <param name="SingleNode">节点名</param>
/// <param name="key">Key的名称</param>
/// <param name="value">Key名的节点中的value</param>
public static void SetConfig(string configpath, string fileName, string SingleNode, string key, string value)
{
try
{
string str = configpath + "\\" + fileName;
//定义XML
XmlDocument xmlDOC = new XmlDocument();
//加载App.config
xmlDOC.Load(str);
XmlNode xmlNod;
XmlElement xmlele1;
//查询appSettings节点中的信息
xmlNod = xmlDOC.SelectSingleNode("//" + SingleNode);
//查询字节点Key的信息
xmlele1 = (XmlElement)xmlNod.SelectSingleNode("//add[@key='" + key + "']");
//判断是否已经存在查询的子节点，存在则为读取出该子节点的信息，不存在则为返回空
if (xmlele1 != null)
{
xmlele1.SetAttribute("value", value);
}
else
{
}
//保存上面的修改
xmlDOC.Save(str);
}
catch (Exception)
{
}
}
#endregion
/// <summary>
///
/// </summary>
/// <param name="configpath"></param>
/// <returns></returns>
public static string GetXMLByKey(string configpath, string fileName, string NodeName, string keyName)
{
try
{
string xmlurl = configpath + "\\" + fileName;
XmlDocument document = new XmlDocument();
document.Load(xmlurl);
string lastname = "";
XmlNode basicNode = document.DocumentElement;
foreach (XmlNode node in basicNode.ChildNodes)
{
string str= node.Name.ToString().Trim();
//在这里判断
if (node.Name.ToString().Trim() == NodeName)
{
foreach (XmlNode xmlnode in node.ChildNodes) {
if (xmlnode.Name.ToString().Trim() == keyName) {
lastname = xmlnode.InnerText;
return lastname;
}
}
}
}
return lastname;
}
catch (Exception ex)
{
LogHelper.WriteLog(typeof(OperationXML), ex);
return "";
}
}
}
