C# 操作IIS -App & AppPools

using System;
using System.DirectoryServices;
using System.Management;
using Microsoft.Web.Administration;

namespace ConsoleApplication_IsNullTest
{
    /// <summary>
    /// IIS Helper.
    /// </summary>
    public class IISHelper
    {

        private static string siteName = "siteName";
        private static string sitePath = "sitePath";
        private static string serverId = "001";
        private static string runtimeVersion="v4.0";

        public static string RuntimeVersion
        {
            get { return runtimeVersion; }
        }

        public static DirectoryEntry iisSite = new DirectoryEntry("IIS://localhost/W3SVC", "UserName", "Userpwd");

        private static ManagementScope scope = null;

        public IISHelper()
        {
            scope = new ManagementScope("ConfigManager.ManagementScopePath");
            if (scope.IsConnected == false)
            {
                scope.Connect();
            }
        }

        /// <summary>
        /// 创建应用程序池
        /// </summary>
        /// <param name="AppPoolName">程序池名</param>
        /// <param name="PipelineModel">Managed pipeline model.</param>
        public static void CreateAppPool(string AppPoolName, ManagedPipelineMode pipelineMode)
        {
            DirectoryEntry newpool;
            DirectoryEntry apppools = new DirectoryEntry("IIS://localhost/W3SVC/AppPools");
            newpool = apppools.Children.Add(AppPoolName, "IIsApplicationPool");
            newpool.Properties["ManagedRuntimeVersion"].Value = runtimeVersion;
            newpool.Properties["ManagedPipelineMode"].Value = ManagedPipelineMode.Integrated;
            newpool.CommitChanges();
        }

        /// <summary>
        /// 创建site
        /// </summary>
        public static void CreateWebSite(Object site)
        {
            ManagementObject manage = new ManagementObject(scope, new ManagementPath(@"IIsWebService='W3SVC'"), null);
            ManagementBaseObject inputParameters = manage.GetMethodParameters("CreateNewSite");
            ManagementBaseObject[] serverBinding = new ManagementBaseObject[1];
            serverBinding[0] = CreateServerBinding("", "127.0.0.1", "8081");
            inputParameters["ServerComment"] = siteName;
            inputParameters["ServerBindings"] = serverBinding;
            inputParameters["PathOfRootVirtualDir"] = sitePath;
            inputParameters["ServerId"] = serverId;
            try
            {
                manage.InvokeMethod("CreateNewSite", inputParameters, null);
            }
            catch
            {
                throw new Exception("createNewSite");
            }
            SetAppToPool(siteName, serverId);

            System.Threading.Thread.Sleep(3000);

            //启动web site
            string serverName = "W3SVC/" + serverId;
            ManagementObject manageSite = new ManagementObject(scope, new ManagementPath(@"IIsWebServer='" + serverName + "'"), null);
            manageSite.InvokeMethod("Start", null);
        }

        /// <summary>
        /// 关联应用程序池
        /// </summary>
        /// <param name="appPoolName"></param>
        /// <param name="serverId"></param>
        private static void SetAppToPool(string appPoolName, string serverId)
        {
            string path = string.Format("IIS://localhost/W3SVC/{0}/Root", serverId);
            DirectoryEntry entry = new DirectoryEntry(path);
            entry.Properties["AppPoolId"].Value = appPoolName;
            entry.CommitChanges();
            entry.Close();
        }

        /// <summary>
        /// Get site url前缀
        /// </summary>
        /// <param name="HostName"></param>
        /// <param name="IP"></param>
        /// <param name="Port"></param>
        /// <returns></returns>
        private static ManagementObject CreateServerBinding(string HostName, string IP, string Port)
        {
            try
            {
                ManagementClass classBinding = new ManagementClass(scope, new ManagementPath("ServerBinding"), null);
                ManagementObject serverBinding = classBinding.CreateInstance();
                serverBinding.Properties["Hostname"].Value = HostName;
                serverBinding.Properties["IP"].Value = IP;
                serverBinding.Properties["Port"].Value = Port;
                serverBinding.Put();
                return serverBinding;
            }
            catch
            {
                return null;
            }
        }

        /// <summary>
        /// 创建web site 子项的site $ 应用程序池
        /// </summary>
        /// <param name="site"></param>
        /// <param name="serviceName"></param>
        /// <param name="AppolName"></param>
        public static void CreateApplication(Object site, string serviceName, string AppolName)
        {
            DirectoryEntry defaultWebSite = GetWebisteDirectory("FUSiteName");//父级site name
            if (defaultWebSite != null)
            {
                DirectoryEntry defaultWebSiteRoot = new DirectoryEntry(defaultWebSite.Path + "/Root");

                //Create and setup new virtual directory
                DirectoryEntry virtualDirectory = defaultWebSiteRoot.Children.Add(siteName, "IIsWebVirtualDir");

                virtualDirectory.Properties["Path"][0] = sitePath;
                virtualDirectory.Properties["AppFriendlyName"][0] = siteName;
                virtualDirectory.CommitChanges();

                virtualDirectory.Invoke("AppCreate", 1);
                object[] param = { 0, siteName, true };
                virtualDirectory.Invoke("AppCreate3", param);
                virtualDirectory.Properties["AppPoolId"].Value = AppolName;

                string appPoolPath = @"IIS://localhost/W3SVC/AppPools/" + AppolName;
                try
                {
                    var appPoolEntry = new DirectoryEntry(appPoolPath);
                    appPoolEntry.Properties["ManagedRuntimeVersion"].Value = runtimeVersion;
                    appPoolEntry.Properties["ManagedPipelineMode"].Value = ManagedPipelineMode.Integrated;
                    appPoolEntry.Invoke("SetInfo", null);
                    appPoolEntry.CommitChanges();
                    appPoolEntry.Close();
                }
                catch
                {

                }
                virtualDirectory.CommitChanges();
                virtualDirectory.Close();
            }
        }


        /// <summary>
        /// Get web site directory.
        /// </summary>
        /// <param name="websiteName"></param>
        /// <returns></returns>
        private static DirectoryEntry GetWebisteDirectory(string websiteName)
        {
            DirectoryEntries des = iisSite.Children;
            foreach (DirectoryEntry sub in des)
            {
                if (sub.SchemaClassName == "IIsWebServer" && sub.Properties["ServerComment"].Contains(websiteName.Trim()))
                {

                    return sub;
                }
            }
            return null;
        }
    }
}