写了一个Windows服务，通过C#模拟网站用户登录并爬取BUG列表查询有没有新的BUG，并提醒我

写了一个Windows服务，通过C#模拟网站用户登录并爬取BUG列表查询有没有新的BUG，并提醒我

1、HttpUtil工具类，用于模拟用户登录以及爬取网页：

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading;

namespace Utils
{
    /// <summary>
    /// Http上传下载文件
    /// </summary>
    public class HttpUtil
    {
        #region cookie设置
        private static CookieContainer m_Cookie = new CookieContainer();

        public static void SetHttpCookie(CookieContainer cookie)
        {
            m_Cookie = cookie;
        }
        #endregion

        #region HttpDownloadFile 下载文件
        public static MemoryStream HttpDownloadFile(string url)
        {
            // 设置参数
            HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
            request.Method = "GET";
            request.CookieContainer = m_Cookie;

            //发送请求并获取相应回应数据
            HttpWebResponse response = request.GetResponse() as HttpWebResponse;
            //直到request.GetResponse()程序才开始向目标网页发送Post请求
            Stream responseStream = response.GetResponseStream();

            //创建写入流
            MemoryStream stream = new MemoryStream();

            byte[] bArr = new byte[1024];
            int size = responseStream.Read(bArr, 0, (int)bArr.Length);
            while (size > 0)
            {
                stream.Write(bArr, 0, size);
                size = responseStream.Read(bArr, 0, (int)bArr.Length);
            }
            stream.Seek(0, SeekOrigin.Begin);
            responseStream.Close();
            return stream;
        }
        #endregion

        #region HttpUploadFile 上传文件
        /// <summary>
        /// Http上传文件
        /// </summary>
        public static string HttpUploadFile(string url, byte[] bArr, string fileName)
        {
            // 设置参数
            HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
            CookieContainer cookieContainer = new CookieContainer();
            request.CookieContainer = cookieContainer;
            request.AllowAutoRedirect = true;
            request.Method = "POST";
            string boundary = DateTime.Now.Ticks.ToString("X"); // 随机分隔线
            request.ContentType = "text/plain;charset=utf-8";
            request.CookieContainer = m_Cookie;

            Stream postStream = request.GetRequestStream();
            postStream.Write(bArr, 0, bArr.Length);
            postStream.Close();

            //发送请求并获取相应回应数据
            HttpWebResponse response = request.GetResponse() as HttpWebResponse;
            //直到request.GetResponse()程序才开始向目标网页发送Post请求
            Stream instream = response.GetResponseStream();
            StreamReader sr = new StreamReader(instream, Encoding.UTF8);
            //返回结果网页（html）代码
            string content = sr.ReadToEnd();
            return content;
        }
        #endregion

        #region HttpPost
        /// <summary>
        /// HttpPost
        /// </summary>
        public static string HttpPost(string url, string data)
        {
            byte[] bArr = ASCIIEncoding.UTF8.GetBytes(data);

            // 设置参数
            HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
            request.CookieContainer = m_Cookie;
            request.Method = "POST";
            request.ContentType = "application/x-www-form-urlencoded";
            request.ContentLength = bArr.Length;
            request.UserAgent = "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0)";

            Stream postStream = request.GetRequestStream();
            postStream.Write(bArr, 0, bArr.Length);
            postStream.Close();

            //发送请求并获取相应回应数据
            HttpWebResponse response = request.GetResponse() as HttpWebResponse;
            //直到request.GetResponse()程序才开始向目标网页发送Post请求
            Stream responseStream = response.GetResponseStream();
            //返回结果网页（html）代码
            MemoryStream memoryStream = new MemoryStream();
            bArr = new byte[1024];
            int size = responseStream.Read(bArr, 0, (int)bArr.Length);
            while (size > 0)
            {
                memoryStream.Write(bArr, 0, size);
                size = responseStream.Read(bArr, 0, (int)bArr.Length);
                Thread.Sleep(1);
            }
            string content = Encoding.UTF8.GetString(memoryStream.ToArray());
            return content;
        }
        #endregion

        #region HttpPost
        /// <summary>
        /// HttpPost
        /// </summary>
        public static string HttpPost(string url)
        {
            // 设置参数
            HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
            request.CookieContainer = m_Cookie;
            request.Method = "POST";
            request.ContentType = "text/plain;charset=utf-8";
            request.UserAgent = "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0)";

            //发送请求并获取相应回应数据
            HttpWebResponse response = request.GetResponse() as HttpWebResponse;
            //直到request.GetResponse()程序才开始向目标网页发送Post请求
            Stream responseStream = response.GetResponseStream();
            //返回结果网页（html）代码
            MemoryStream memoryStream = new MemoryStream();
            byte[] bArr = new byte[1024];
            int size = responseStream.Read(bArr, 0, (int)bArr.Length);
            while (size > 0)
            {
                memoryStream.Write(bArr, 0, size);
                size = responseStream.Read(bArr, 0, (int)bArr.Length);
                Thread.Sleep(1);
            }
            string content = Encoding.UTF8.GetString(memoryStream.ToArray());
            return content;
        }
        #endregion

        #region HttpGet
        /// <summary>
        /// HttpGet
        /// </summary>
        public static string HttpGet(string url)
        {
            // 设置参数
            HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
            request.CookieContainer = m_Cookie;
            request.Method = "GET";
            request.ContentType = "text/plain;charset=utf-8";
            request.UserAgent = "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0)";

            //发送请求并获取相应回应数据
            HttpWebResponse response = request.GetResponse() as HttpWebResponse;
            //直到request.GetResponse()程序才开始向目标网页发送Post请求
            Stream responseStream = response.GetResponseStream();
            //返回结果网页（html）代码
            MemoryStream memoryStream = new MemoryStream();
            byte[] bArr = new byte[1024];
            int size = responseStream.Read(bArr, 0, (int)bArr.Length);
            while (size > 0)
            {
                memoryStream.Write(bArr, 0, size);
                size = responseStream.Read(bArr, 0, (int)bArr.Length);
                Thread.Sleep(1);
            }
            string content = Encoding.UTF8.GetString(memoryStream.ToArray());
            return content;
        }
        #endregion

    }
}

2、Windows服务代码：

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Configuration;
using System.Data;
using System.Diagnostics;
using System.Linq;
using System.Runtime.InteropServices;
using System.ServiceProcess;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;
using System.Timers;
using System.Windows.Forms;
using Utils;

namespace BugMonitor
{
    public partial class BugMonitorService : ServiceBase
    {
        [DllImport("kernel32.dll", SetLastError = true)]
        public static extern int WTSGetActiveConsoleSessionId();

        [DllImport("wtsapi32.dll", SetLastError = true)]
        public static extern bool WTSSendMessage(
            IntPtr hServer,
            int SessionId,
            String pTitle,
            int TitleLength,
            String pMessage,
            int MessageLength,
            int Style,
            int Timeout,
            out int pResponse,
            bool bWait);

        public static IntPtr WTS_CURRENT_SERVER_HANDLE = IntPtr.Zero;

        private System.Timers.Timer timer;
        private static List<int> idList = new List<int>();

        private string loginUrl = ConfigurationManager.AppSettings["loginUrl"];
        private string listUrl = ConfigurationManager.AppSettings["bugListUrl"];
        private string userLogin = ConfigurationManager.AppSettings["userName"];
        private string userPassword = ConfigurationManager.AppSettings["userPassword"];
        private Regex regTr = new Regex(@"<tr class=""listTableLine(?:(?!</tr>)[sS])*</tr>", RegexOptions.IgnoreCase);
        private Regex regTd = new Regex(@"<td align=""left"">((?:(?!</td>)[sS])*)</td>", RegexOptions.IgnoreCase);
        private int pageSize = Convert.ToInt32(ConfigurationManager.AppSettings["pageSize"]);
        private double interval = Convert.ToDouble(ConfigurationManager.AppSettings["interval"]);
        private string projectId = ConfigurationManager.AppSettings["projectId"];

        public BugMonitorService()
        {
            InitializeComponent();
        }

        public static void ShowMessageBox(string message, string title)
        {
            int resp = 0;
            WTSSendMessage(
                WTS_CURRENT_SERVER_HANDLE,
                WTSGetActiveConsoleSessionId(),
                title, title.Length,
                message, message.Length,
                0, 0, out resp, false);
        }

        protected override void OnStart(string[] args)
        {
            LogUtil.path = Application.StartupPath + "\log";

            timer = new System.Timers.Timer(interval * 60 * 1000);
            timer.Elapsed += new System.Timers.ElapsedEventHandler(Action);
            timer.Start();

            LogUtil.Log("服务启动成功");
        }

        protected override void OnStop()
        {
            if (timer != null)
            {
                timer.Stop();
                timer.Close();
                timer.Dispose();
                timer = null;
            }

            LogUtil.Log("服务停止成功");

            Thread.Sleep(100); //等待一会，待日志写入文件
        }

        public void Start()
        {
            OnStart(null);
        }

        public void Action(object sender, ElapsedEventArgs e)
        {
            try
            {
                Task.Factory.StartNew(() =>
                {
                    try
                    {
                        int bugCount = 0;
                        string loginResult = HttpUtil.HttpPost(loginUrl, string.Format("uer={0}&userPassword={1}&submit=%E7%99%BB%E5%BD%95&userLogin={0}&uer=", userLogin, userPassword));

                        string result = HttpUtil.HttpPost(listUrl, string.Format("projectId={0}&perListDPF={1}&sortFieldDPF=bugCode&sortSequenceDPF=1&bugStatus=1", projectId, pageSize));
                        ProcessBug(result, ref bugCount);
                        result = HttpUtil.HttpPost(listUrl, string.Format("projectId={0}&perListDPF={1}&sortFieldDPF=bugCode&sortSequenceDPF=1&bugStatus=3", projectId, pageSize));
                        ProcessBug(result, ref bugCount);

                        if (bugCount > 0)
                        {
                            ShowMessageBox(string.Format("您有 {0} 个新BUG", bugCount), "提醒");
                        }
                        else
                        {
                            LogUtil.Log("没有新BUG");
                        }
                    }
                    catch (Exception ex)
                    {
                        LogUtil.LogError(ex.Message + "
" + ex.StackTrace);
                    }
                });
            }
            catch (Exception ex)
            {
                LogUtil.LogError(ex.Message + "
" + ex.StackTrace);
            }
        }

        private void ProcessBug(string bugListPageHtml, ref int bugCount)
        {
            MatchCollection mcTr = regTr.Matches(bugListPageHtml);
            foreach (Match mTr in mcTr)
            {
                MatchCollection mcTd = regTd.Matches(mTr.Value);
                if (mcTd.Count > 0)
                {
                    int id = Convert.ToInt32(mcTd[0].Groups[1].Value.Trim());
                    string strStatus = mcTd[1].Value.ToLower();
                    if (!idList.Exists(a => a == id))
                    {
                        if (strStatus.IndexOf("已激活") > 0 || strStatus.IndexOf("重新打开") > 0)
                        {
                            idList.Add(id);
                            bugCount++;
                            LogUtil.Log(string.Format("发现新的BUG，BUG编号：{0}", id));
                        }
                    }
                }
            }
        }
    }
}