/// <summary>
/// 获取新网站ID
/// </summary>
/// <returns></returns>
privatestringGetNewWebSiteID()
{
    int iWebSiteCount = 0;

    DirectoryEntry siteEntry = new DirectoryEntry("IIS://localhost/w3svc");

    foreach (DirectoryEntry childEntry in siteEntry.Children)
    {
        if (childEntry.SchemaClassName == "IIsWebServer") iWebSiteCount++;
    }

    return (iWebSiteCount + 1).ToString();
}
/// <summary>
/// 获取新站点端口,默认为当前最大端口号加一
/// </summary>
/// <returns></returns>
privatestringGetNewSitePort()
{
    int iDefault = 8000;

    DirectoryEntry siteEntry = new DirectoryEntry("IIS://localhost/w3svc");

    foreach (DirectoryEntry childEntry in siteEntry.Children)
    {
        if (childEntry.SchemaClassName == "IIsWebServer")
        {
            if (childEntry.Properties["ServerBindings"].Value != null)
            {
                string strSettings = childEntry.Properties["ServerBindings"].Value.ToString();

                int iSettingPort = int.Parse(strSettings.Substring(strSettings.IndexOf(':') + 1, (strSettings.LastIndexOf(':') - strSettings.IndexOf(':') - 1)));

                iDefault = iSettingPort > iDefault ? iSettingPort : iDefault;
            }
        }
    }

    return (iDefault + 1).ToString();
}
/// <summary>
/// 判断网站是否已经存在
/// </summary>
/// <param name="strSiteName"></param>
/// <returns></returns>
privateboolIsExist(stringstrSiteName)
{
    bool blExist = false;

    DirectoryEntry siteEntry = new DirectoryEntry("IIS://localhost/w3svc");

    foreach (DirectoryEntry childEntry in siteEntry.Children)
    {
        if (childEntry.SchemaClassName == "IIsWebServer")
        {
            if (childEntry.Properties["ServerComment"].Value != null)
            {
                if (childEntry.Properties["ServerComment"].Value.ToString() == strSiteName) blExist = true;
            }
        }
    }

    return blExist;
}
/// <summary>
/// 创建网站
/// </summary>
/// <param name="strPort"></param>
/// <param name="strSiteName"></param>
/// <param name="strFilePath"></param>
/// <returns></returns>
privateDirectoryEntry CreateNewSite(stringstrSiteName, stringstrFilePath)
{
    try
    {
        strSitePort = GetNewSitePort();

        DirectoryEntry deyRoot = new DirectoryEntry("IIS://localhost/w3svc");

        DirectoryEntry siteEntry = deyRoot.Children.Add(GetNewWebSiteID(), "IIsWebServer");

        siteEntry.Properties["ServerComment"].Value = strSiteName;

        siteEntry.Properties["ServerBindings"].Value = String.Format("{0}:{1}:{2}", "", strSitePort, "");

        siteEntry.Properties["ServerAutoStart"].Value = true;

        //添加虚拟目录，网站本身没有路径，默认的路径即名称为Root的虚拟目录
        DirectoryEntry rootEntry = siteEntry.Children.Add("Root", "IIsWebVirtualDir");
        rootEntry.Properties["Path"].Value = strFilePath;                       //文件夹路径
        rootEntry.Properties["AccessRead"][0] = true;                           //读取权限
        rootEntry.Properties["AccessExecute"][0] = false;                       //执行(如ISAPI应用程序或CGI)
        rootEntry.Properties["AccessWrite"][0] = true;                          //写入
        rootEntry.Properties["AccessScript"][0] = true;                         //执行脚本(如ASP)
        rootEntry.Properties["EnableDirBrowsing"][0] = true;                   //浏览
        rootEntry.Properties["DefaultDoc"][0] = "UserLogin.aspx,Default.aspx";  //设置默认文档,多值情况下中间用逗号分割
        rootEntry.CommitChanges(); siteEntry.CommitChanges(); return rootEntry;
    }
    catch (Exception ex)
    {
        MessageBox.Show(ex.Message.ToString() + "站点创建失败!"); return null;
    }
}
/// <summary>
/// 创建虚拟目录
/// </summary>
/// <param name="strDirName">虚拟目录名称</param>
/// <param name="strDirPath">虚拟目录路径</param>
/// <param name="siteEntry">要创建虚拟目录的原站点</param>
/// <returns></returns>
privateboolCreateVirtualDirectory(stringstrDirName, stringstrDirPath, DirectoryEntry rootEntry)
{
    try
    {
        DirectoryEntry childEntry = rootEntry.Children.Add(strDirName, "IIsWebVirtualDir");

        childEntry.Invoke("AppCreate", true);
        childEntry.Properties["Path"].Value = strDirPath;// @"D:\公司项目\盘县联网\SafetyProduce\SafetyNet\";        //文件夹路径
        childEntry.Properties["AppFriendlyName"][0] = strDirName;//应用程序名称 
        childEntry.Properties["AccessRead"][0] = true;           //读取权限
        childEntry.Properties["AccessExecute"][0] = false;       //执行(如ISAPI应用程序或CGI)
        childEntry.Properties["AccessWrite"][0] = true;          //写入
        childEntry.Properties["AccessScript"][0] = true;         //执行脚本(如ASP)
        childEntry.Properties["EnableDirBrowsing"][0] = true;   //浏览
        childEntry.Properties["DefaultDoc"][0] = "UserLogin.aspx,Default.aspx"; ////设置默认文档,多值情况下中间用逗号分割

        childEntry.CommitChanges(); rootEntry.CommitChanges(); return true;
    }
    catch (Exception ex)
    {
        MessageBox.Show(ex.Message.ToString() + "虚拟目录" + strDirName + "创建失败!"); return false;
    }
}

//创建站点
DirectoryEntry rootEntry =CreateNewSite("天科行业主管平台", strDirectoryPath +"WebPage");

if(rootEntry !=null)
{
    //创建虚拟目录
    CreateVirtualDirectory("SafetyNet", strDirectoryPath + "SafetyNet", rootEntry); 
    CreateVirtualDirectory("SafetySupervise", strDirectoryPath + "SafetySupervise", rootEntry); 
}