WCF 修改App.config配置文件

using System.ServiceModel.Configuration;
using System.Text.RegularExpressions;

// 修改配置文件
private void ChanageConfig()
{
    Configuration config = ConfigurationManager.OpenExeConfiguration(Application.ExecutablePath);
    ConfigurationSectionGroup sct = config.SectionGroups["system.serviceModel"];
    ServiceModelSectionGroup serviceModelSectionGroup = sct as ServiceModelSectionGroup;
    ClientSection clientSection = serviceModelSectionGroup.Client;
    foreach (ChannelEndpointElement item in clientSection.Endpoints)
    {
        string pattern = "://.*/";
        string address = item.Address.ToString();
        string replacement = string.Format("://{0}:{1}/", Global.ServerIP, Global.ServerPort);
        address = Regex.Replace(address, pattern, replacement);
        item.Address = new Uri(address);
    }
    config.Save(ConfigurationSaveMode.Modified);
    ConfigurationManager.RefreshSection("system.serviceModel");
    return;
    /*
    Configuration configuration = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
    ServiceModelSectionGroup serviceModelSectionGroup = ServiceModelSectionGroup.GetSectionGroup(configuration);
    ClientSection clientSection = serviceModelSectionGroup.Client;

    foreach(ChannelEndpointElement item in clientSection.Endpoints)
    {
        MessageBox.Show(item.Address.Host);
       
    }
    configuration.Save();
    */
    return;
    XmlDocument xmlDoc = new XmlDocument();
    xmlDoc.Load("Rca.exe.config");
    XmlNodeList nodeList = xmlDoc.SelectSingleNode("configuration/appSettings").ChildNodes;
    foreach (XmlNode node in nodeList)
    {
        switch (node.Attributes["key"].InnerText.ToLower())
        {
            case "serverip":
                node.Attributes["value"].InnerText = Global.ServerIP;
                break;
            case "serverport":
                node.Attributes["value"].InnerText = Global.ServerPort;
                break;
            case "langdataid":
                node.Attributes["value"].InnerText = Global.LangDataID;
                break;
            case "uidataid":
                node.Attributes["value"].InnerText = Global.UIDataID;
                break;
        }
    }
    nodeList = xmlDoc.SelectSingleNode("configuration/system.serviceModel/client").ChildNodes;
    foreach (XmlNode node in nodeList)
    {
        string pattern = "://.*/";
        string address = node.Attributes["address"].InnerText;
        string replacement = string.Format("://{0}:{1}/", Global.ServerIP, Global.ServerPort);
        address = Regex.Replace(address, pattern, replacement);
        node.Attributes["address"].InnerText = address;
        if (node.Attributes["contract"].InnerText == "LogicCommon")
        {
            LogicCommonCfgName = node.Attributes["name"].InnerText;
            LogicCommonAddress = node.Attributes["address"].InnerText;
        }
    }
    xmlDoc.Save("Rca.exe.config");
}