public class ConfigInfo    {        public static ParametersHelper Parameters        {            get { return new ParametersHelper(); }        }        public class ParametersHelper        {            string fileName = Path.Combine(AppDomain.CurrentDomain.SetupInformation.ApplicationBase,JobConstValue.BUSINESS_CONFIG_FILE);            public PerParameter this[string name]            {                get                {                    string parameterStr = Utility.ExecuteXPathInFile(fileName, string.Format(@"/Parameters/Parameter[@name='{0}']", name.Trim()));                    if (parameterStr != null)                    {                        PerParameter returnObj = new PerParameter(name, parameterStr);                        return returnObj;                    }                    else                    {                        return null;                    }                }            }            public class PerParameter            {                public PerParameter(string name, string parameterStr)                {                    m_ParameterStr = parameterStr;                    m_Name = name;                    m_Value = Utility.ExecuteXPathInString(parameterStr, @"/Parameter/text()");                }                string m_ParameterStr;                private string m_Name;                public string Name { get { return m_Name; } }                public PerParameterAttributes Attributes                {                    get                    {                        string[] temp = m_ParameterStr.GetSubString(@"(?<=\
     
      )");                        if (temp != null && temp.Length > 0)                            return new PerParameterAttributes(temp[0]);                        else                            return null;                    }                }                string m_Value;                public string Value { get { return m_Value; } }                public List
      
        Parameters                {                    get                    {                        List
       
         list = new List
        
         ();                        XmlDocument doc = new XmlDocument();                        doc.LoadXml(m_ParameterStr);                        XmlNodeList nodes = doc.SelectNodes("/Parameter/Parameter");                        if (nodes != null && nodes.Count > 0)                        {                            foreach (XmlNode item in nodes)                            {                                list.Add(new PerParameter(item.Attributes["name"].InnerText, item.OuterXml));                            }                        }                        return list;                    }                }                public PerParameter this[string name]                {                    get                    {                        string parameterStr = Utility.ExecuteXPathInString(m_ParameterStr, string.Format(@"/Parameter/Parameter[@name='{0}']", name.Trim()));                        if (parameterStr != null)                            return new PerParameter(name, parameterStr);                        else                            return null;                    }                }            }            public class PerParameterAttributes            {                public PerParameterAttributes(string attributes)                {                    m_Attributes = attributes;                }                string m_Attributes = string.Empty;                public string this[string name]                {                    get                    {                        string[] results = m_Attributes.GetSubString(string.Format(@"(?<={0}\s*="").+", name));                        if (results != null && results.Length > 0)                        {                            return results[0].ReplaceString(@""".*", string.Empty);                        }                        else                            return null;                    }                }            }        }    } 配置文件示例：
        
       
      
     

      
        
           
        
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