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 = http://www.mamicode.com/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(@"(?<=\<Parameter\s+).+.(?=/?\>)");                        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<PerParameter> Parameters                {                    get                    {                        List<PerParameter> list = new List<PerParameter>();                        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：

<?xml version="1.0"?><Parameters>  <Parameter name="WarehouseNumber">    <Parameter name="USA">9N</Parameter>    <Parameter name="USB">9X</Parameter>    <Parameter name="RoseWill">9R</Parameter>  </Parameter>  <Parameter name="HoldReason">    <Parameter name="B2BHoldReason">B2B Order waiting for approval</Parameter>    <Parameter name="APIHoldReason">Hold By RuleSet API</Parameter>    <Parameter name="HoldReasonForSO">Hold S.O</Parameter>  </Parameter>  <Parameter name="TestAccount">    <Parameter name="Account">7084500</Parameter>  </Parameter>  <Parameter name="SpecialItems">    <Parameter name="UPSLabelItem">99-993-001</Parameter>    <Parameter name="GiftCardItem">00-999-157</Parameter>  </Parameter>  <Parameter name="DiscountAllocationRegex">    <Parameter name="RegexValue">^(DISCOUNT FOR COMBO #){1}\d{1,10}$|^(DISCOUNT FOR COMBO #){1}\d{1,10}( GIFT){1}$|^(DISCOUNT FOR AUTOADD #){1}\d{1,10}$</Parameter>  </Parameter></Parameters>