C# HTTP网络常用方法封装

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Register
{
    public class HttpClass
    {
        private System.Net.HttpWebRequest Request = null;
        private System.Net.WebResponse Response = null;
        private System.IO.Stream Stream = null;
        private System.IO.StreamReader Read = null;
        private System.Byte[] Byte = null;
        private System.Text.Encoding Encode = System.Text.Encoding.UTF8;
        private System.Text.RegularExpressions.Match Match = null;
        /// <summary>
        /// 公开属性
        /// </summary>
        public System.Net.WebProxy Proxy = new System.Net.WebProxy()
        public string IPFor = null;
        public bool HideInfo = false;
        /// <summary>
        /// 初始化Request
        /// </summary>
        /// <param name="Request">对象</param>
        private void init_Request(ref System.Net.HttpWebRequest Request)
        {
            //终端信息
            Request.Accept = "text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,image/png,application/java-archive,application/java,application/x-java-archive,text/vnd.sun.j2me.app-descriptor,application/vnd.oma.drm.message,application/vnd.oma.drm.content,application/vnd.oma.dd+xml,application/vnd.oma.drm.rights+xml,application/vnd.oma.drm.rights+wbxml,application/x-nokia-widget,text/x-opml,application/vnd.nokia.headwrapper,*/*;q=0.5";
            Request.Headers.Add("Accept-Charset", "iso-8859-1,utf-8;q=0.7,*;q=0.7");
            Request.Headers.Add("Accept-Language", "zh-cn, zh;q=1.0,en;q=0.5,en;q=0.5,en;q=0.5");
            Request.Headers.Add("Accept-Encoding", "gzip, deflate, x-gzip, identity; q=0.9");
            Request.Headers.Add("X-Nokia-MusicShop-Version", "11.0842.9");
            //承载方式
            Request.Headers.Add("X-Nokia-MusicShop-Bearer", "GPRS/3G");
            Request.Headers.Add("X-Nokia-CONNECTION_MODE", "TCP");
            Request.Headers.Add("X-Nokia-BEARER", "3G");
            Request.Headers.Add("x-up-bear-type", "GPRS/EDGE");
            Request.Headers.Add("X-Up-Bearer-Type", "GPRS");
            //GGSN信息
            Request.Headers.Add("x-source-id", "GZGGSN1101BEr");
            Request.Headers.Add("Client-IP", "211.139.151.74");
            if (IPFor != null) Request.Headers.Add("x-forwarded-for", IPFor);
            //网关信息
            Request.Headers.Add("Via", "WTP/1.1 192.168.13.33 (Nokia WAP Gateway 4.1/CD1/ECD13_E/4.1.05)");
            Request.Headers.Add("X-Nokia-gateway-id", "NWG/4.1/Build4.1.05");
            //目标主机
            Request.Headers.Add("X-Online-Host", Request.Host);
            //重要信息
            if (!HideInfo)
            {
                Request.UserAgent = "Mozilla/5.0 (SymbianOS/9.4; U; Series60/5.0 Nokia5230/10.0.055; Profile/MIDP-2.1 Configuration/CLDC-1.1 ) AppleWebKit/413 (KHTML, like Gecko) Safari/413";
                Request.Headers.Add("x-wap-profile", "http://nds1.nds.nokia.com/uaprof/Nokia5230r100-3G.xml")
                if (IPFor != null)
                {
                    Request.Headers.Add("x-nokia-ipaddress", IPFor);
                }
            }
            //自动重定向
            Request.AllowAutoRedirect = false;
            //代理设置
            if (Proxy.Address != null)
            {
                Request.Proxy = Proxy;
            }
            //其它杂项
            Request.KeepAlive = false;
            Request.Timeout = 8000;
        }
//         public void GZipDecompress(ref System.IO.Stream refStream)
//         {
//             using (System.IO.MemoryStream stream = new System.IO.MemoryStream())
//             {
//                 using (System.IO.Compression.GZipStream gZip = new System.IO.Compression.GZipStream(refStream, System.IO.Compression.CompressionMode.Decompress, true))
//                 {
//                     System.IO.BinaryReader reader = new System.IO.BinaryReader(gZip);
//                     System.IO.BinaryWriter writer = new System.IO.BinaryWriter(stream);
//                     while (true)
//                     {
//                         char[] p = reader.ReadChars(32);
//                         byte[] buffer = reader.ReadBytes(32);
//                         if (buffer == null || buffer.Length < 1) break;
//                         writer.Write(buffer);
//                     }
//                     writer.Close();
//                     gZip.CopyTo(stream);
//                 }
//                 stream.CopyTo(refStream);
//             }
//         }
        /// <summary>
        /// 获取网页数据
        /// </summary>
        /// <param name="url">请求地址</param>
        /// <returns>失败返回null</returns>
        public string get_Internet(string url, string cookie = null)
        {
            try
            {
                Request = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(url);
                url = null;
                if (Request != null)
                {
                    init_Request(ref Request);
                    if (cookie != null) { Request.Headers.Add("Cookie", cookie); }
                    using (Response = Request.GetResponse())
                    {
                        Stream = Response.GetResponseStream();
                        using (Read = new System.IO.StreamReader(Stream, System.Text.Encoding.UTF8))
                        {
                            url = Read.ReadToEnd();
                        }
                        Read = null;
                        Stream = null;
                    }
                    Response = null;
                    Request.Abort();
                    Request = null;
                }
                return url;
            }
            catch(Exception ex)
            {
                Error.Write(ref ex);
                return null;
            }
        }
        /// <summary>
        /// 获取数据流
        /// </summary>
        /// <param name="url">地址</param>
        /// <param name="Stream">返回数据流</param>
        /// <returns>失败为false</returns>
        public bool get_Stream(string url, ref System.IO.MemoryStream Stream, ref string cookie)
        {
            try
            {
                Request = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(url);
                init_Request(ref Request);
                if (cookie != null) { Request.Headers.Add("Cookie", cookie); }
                using (Response = Request.GetResponse())
                {
                    Response.GetResponseStream().CopyTo(Stream);
                    if (cookie != null)
                    {
                        cookie += " " + get_Match(Response.Headers.Get("Set-Cookie"), "verifysession=([^;]+);").Replace(";", "");
                    }
                }
                Response = null;
            }
            catch (Exception ex)
            {
                Error.Write(ref ex);
                return false;
            }
            if (Request != null)
            {
                Request.Abort();
                Request = null;
            }
            return true;
        }
        /// <summary>
        /// 提交数据并获取返回数据
        /// </summary>
        /// <param name="url">请求地址</param>
        /// <returns>失败返回null</returns>
        public string post_Internet(string url, string data, string cookie = null)
        {
            try
            {
                Request = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(url);
                url = null;
                if (Request != null)
                {
                    init_Request(ref Request);
                    if (cookie != null) { Request.Headers.Add("Cookie", cookie); }
                    Request.Method = "POST";
                    Request.ServicePoint.Expect100Continue = false;
                    Request.ContentType = "application/x-www-form-urlencoded; charset=utf-8";
                    Byte = Encode.GetBytes(data);
                    Request.ContentLength = Byte.Length;
                    using (Stream = Request.GetRequestStream())
                    {
                        Stream.Write(Byte, 0, Byte.Length);
                    }
                    Stream = null;
                    Byte = null;
                    data = null;
                    using (Response = Request.GetResponse())
                    {
                        Stream = Response.GetResponseStream();
                        using (Read = new System.IO.StreamReader(Stream))
                        {
                            url = Read.ReadToEnd();
                        }
                        Read = null;
                        Stream = null;
                    }
                    Response = null;
                    Request.Abort();
                    Request = null;
                }
                return url;
            }
            catch (Exception ex)
            {
                Error.Write(ref ex);
                return null;
            }
        }
        /// <summary>
        /// 获取服务器响应报文信息
        /// </summary>
        /// <param name="url">请求地址</param>
        /// <returns>HTTP响应报文</returns>
        public string get_All(string url, string cookie = null)
        {
            try
            {
                Request = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(url);
                url = null;
                if (Request != null)
                {
                    Request.Method = "GET";
                    init_Request(ref Request);
                    if (cookie != null) { Request.Headers.Add("Cookie", cookie); }
                    using (Response = Request.GetResponse())
                    {
                        foreach (string name in Response.Headers.AllKeys)
                        {
                            url += name + "=" + Response.Headers.Get(name) + "; ";
                        }
                        Stream = Response.GetResponseStream();
                        using (Read = new System.IO.StreamReader(Stream, System.Text.Encoding.UTF8))
                        {
                            url += Read.ReadToEnd();
                        }
                        Read = null;
                        Stream = null;
                    }
                    Response = null;
                    Request.Abort();
                    Request = null;
                }
                return url;
            }
            catch (Exception ex)
            {
                Error.Write(ref ex);
                return null;
            }
        }
        /// <summary>
        /// 获取服务器返回信息
        /// </summary>
        /// <param name="url">请求地址</param>
        /// <returns>HTTP Header</returns>
        public string get_Header(string url, string key = "Set-Cookie", string cookie = null)
        {
            try
            {
                Request = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(url);
                url = null;
                if (Request != null)
                {
                    Request.Method = "HEAD";
                    init_Request(ref Request);
                    if (cookie != null) { Request.Headers.Add("Cookie", cookie); }
                    using (Response = Request.GetResponse())
                    {
                        url = Response.Headers.Get(key);
                    }
                    Response = null;
                    Request.Abort();
                    Request = null;
                }
                return url;
            }
            catch (Exception ex)
            {
                Error.Write(ref ex);
                return null;
            }
        }

        /// <summary>
        /// 获取匹配信息
        /// </summary>
        /// <param name="src">匹配内容</param>
        /// <returns>正则表达式</returns>
        public string get_Match(string src, string pattern, string substr = null)
        {
            Match = System.Text.RegularExpressions.Regex.Match(src, pattern);
            if (!Match.Success)
            {
                return null;
            }
            if (substr != null)
            {
                return Match.Groups[substr].Value;
            }
            return Match.Value;
        }
        /// <summary>
        /// 发送邮件
        /// </summary>
        /// <param name="ToAddress"></param>
        /// <param name="Subject"></param>
        /// <param name="Value"></param>
        /// <param name="PathArray"></param>
        /// <returns></returns>
        public static bool try_Email(string ToAddress, string Subject, string Value, string[] PathArray = null)
        {
            bool result = false;

            System.Net.Mail.SmtpClient Mail = new System.Net.Mail.SmtpClient("smtp.qq.com", 25);
            Mail.UseDefaultCredentials = true;
            Mail.Credentials = new System.Net.NetworkCredential("feedback01", "z123456");
            Mail.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;

            System.Net.Mail.MailMessage Messages = new System.Net.Mail.MailMessage(new System.Net.Mail.MailAddress("feedback01@qq.com"), new System.Net.Mail.MailAddress(ToAddress));
            Messages.BodyEncoding = System.Text.Encoding.UTF8;
            Messages.SubjectEncoding = System.Text.Encoding.UTF8;
            Messages.Subject = Subject;
            Messages.Body = Value;

            System.Net.Mail.Attachment[] Attachments = null;
            try
            {
                if (PathArray != null)
                {
                    Attachments = new System.Net.Mail.Attachment[PathArray.Length];

                    for (int i = 0; i < PathArray.Length; i++)
                    {
                        if (PathArray[i].Length >= 6 && System.IO.File.Exists(PathArray[i]))
                        {
                            Attachments[i] = new System.Net.Mail.Attachment(PathArray[i]);
                            Messages.Attachments.Add(Attachments[i]);
                        }
                    }
                }
                Mail.Send(Messages);
                result = true;
            }
            catch(Exception ex)
            {
                Error.Write(ref ex);
                result = false;
            }

            if (Attachments != null)
            {
                for (int k = 0; k < Attachments.Length; k++)
                {
                    if (Attachments[k] != null)
                    {
                        Attachments[k].Dispose();
                    }
                }
            }

            Messages.Dispose();
            Mail.Dispose();

            return result;
        }
        /// <summary>
        /// 用于ShellExecuteEx
        /// </summary>
        [System.Runtime.InteropServices.StructLayout(System.Runtime.InteropServices.LayoutKind.Sequential)]
        public struct SHELLEXECUTEINFO
        {
            public int cbSize;
            public int fMask;
            public int hwnd;
            [System.Runtime.InteropServices.MarshalAs(System.Runtime.InteropServices.UnmanagedType.LPWStr)]
            public string lpVerb;
            [System.Runtime.InteropServices.MarshalAs(System.Runtime.InteropServices.UnmanagedType.LPWStr)]
            public string lpFile;
            [System.Runtime.InteropServices.MarshalAs(System.Runtime.InteropServices.UnmanagedType.LPWStr)]
            public string lpParameters;
            public int lpDirectory;
            public int nShow;
            public int hInstApp;
            public int lpIDList;
            public int lpClass;
            public int hkeyClass;
            public int dwHotKey;
            public int hIcon;
            public int hProcess;
        }
        /// <summary>
        /// ShellExecuteEx
        /// </summary>
        /// <param name="lpExecInfo"></param>
        /// <returns></returns>
        [System.Runtime.InteropServices.DllImport("Shell32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto, SetLastError = true)]
        public static extern bool ShellExecuteEx(ref SHELLEXECUTEINFO lpExecInfo);
        static SHELLEXECUTEINFO ShellInfo;
        /// <summary>
        /// 打开URL
        /// </summary>
        /// <param name="url"></param>
        public static void OpenURL(string url)
        {
            if (ShellInfo.lpFile == null)
            {
                Microsoft.Win32.RegistryKey SubKey = Microsoft.Win32.Registry.ClassesRoot.OpenSubKey(@"HTTPshellopencommand");
                if (SubKey == null)
                {
                    return;
                }
                string Explorer = ((string)SubKey.GetValue(null)).Replace(""", "");
                int SpaceOffset = -1;
                if ((SpaceOffset = Explorer.LastIndexOf(" ")) != -1)
                {
                    Explorer = Explorer.Substring(0, SpaceOffset);
                }

                ShellInfo.cbSize = System.Runtime.InteropServices.Marshal.SizeOf(ShellInfo);
                ShellInfo.lpFile = Explorer;
                ShellInfo.nShow = 1; //SW_SHOWNORMAL
                SubKey.Close();
                SubKey.Dispose();
            }
            ShellInfo.lpParameters = url;
            ShellExecuteEx(ref ShellInfo);
        }
    }
}