using System;using System.Collections.Generic;using System.IO;using System.Net;using System.Text;namespace HttpWeb{ /// <summary> /// Http操作类 /// </summary> public static class httptest { /// <summary> /// 获取网址HTML /// </summary> /// <param name="URL">网址 </param> /// <returns> </returns> public static string GetHtml(string URL) { WebRequest wrt; wrt = WebRequest.Create(URL); wrt.Credentials = CredentialCache.DefaultCredentials; WebResponse wrp; wrp = wrt.GetResponse(); string reader = new StreamReader(wrp.GetResponseStream(), Encoding.GetEncoding("gb2312")).ReadToEnd(); try { wrt.GetResponse().Close(); } catch (WebException ex) { throw ex; } return reader; } /// <summary> /// 获取网站cookie /// </summary> /// <param name="URL">网址 </param> /// <param name="cookie">cookie </param> /// <returns> </returns> public static string GetHtml(string URL, out string cookie) { WebRequest wrt; wrt = WebRequest.Create(URL); wrt.Credentials = CredentialCache.DefaultCredentials; WebResponse wrp; wrp = wrt.GetResponse(); string html = new StreamReader(wrp.GetResponseStream(), Encoding.GetEncoding("gb2312")).ReadToEnd(); try { wrt.GetResponse().Close(); } catch (WebException ex) { throw ex; } cookie = wrp.Headers.Get("Set-Cookie"); return html; } public static string GetHtml(string URL, string postData, string cookie, out string header, string server) { return GetHtml(server, URL, postData, cookie, out header); } public static string GetHtml(string server, string URL, string postData, string cookie, out string header) { byte[] byteRequest = Encoding.GetEncoding("gb2312").GetBytes(postData); return GetHtml(server, URL, byteRequest, cookie, out header); } public static string GetHtml(string server, string URL, byte[] byteRequest, string cookie, out string header) { byte[] bytes = GetHtmlByBytes(server, URL, byteRequest, cookie, out header); Stream getStream = new MemoryStream(bytes); StreamReader streamReader = new StreamReader(getStream, Encoding.GetEncoding("gb2312")); string getString = streamReader.ReadToEnd(); streamReader.Close(); getStream.Close(); return getString; } /// <summary> /// Post模式浏览 /// </summary> /// <param name="server">服务器地址 </param> /// <param name="URL">网址 </param> /// <param name="byteRequest">流 </param> /// <param name="cookie">cookie </param> /// <param name="header">句柄 </param> /// <returns> </returns> public static byte[] GetHtmlByBytes(string server, string URL, byte[] byteRequest, string cookie, out string header) { long contentLength; HttpWebRequest httpWebRequest; HttpWebResponse webResponse; Stream getStream; httpWebRequest = (HttpWebRequest)HttpWebRequest.Create(URL); CookieContainer co = new CookieContainer(); co.SetCookies(new Uri(server), cookie); httpWebRequest.CookieContainer = co; httpWebRequest.ContentType = "application/x-www-form-urlencoded"; httpWebRequest.Accept = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*"; httpWebRequest.Referer = server; httpWebRequest.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; Maxthon; .NET CLR 1.1.4322)"; httpWebRequest.Method = "Post"; httpWebRequest.ContentLength = byteRequest.Length; Stream stream; stream = httpWebRequest.GetRequestStream(); stream.Write(byteRequest, 0, byteRequest.Length); stream.Close(); webResponse = (HttpWebResponse)httpWebRequest.GetResponse(); header = webResponse.Headers.ToString(); getStream = webResponse.GetResponseStream(); contentLength = webResponse.ContentLength; byte[] outBytes = new byte[contentLength]; outBytes = ReadFully(getStream); getStream.Close(); return outBytes; } public static byte[] ReadFully(Stream stream) { byte[] buffer = new byte[128]; using (MemoryStream ms = new MemoryStream()) { while (true) { int read = stream.Read(buffer, 0, buffer.Length); if (read <= 0) return ms.ToArray(); ms.Write(buffer, 0, read); } } } /// <summary> /// Get模式 /// </summary> /// <param name="URL">网址 </param> /// <param name="cookie">cookies </param> /// <param name="header">句柄 </param> /// <param name="server">服务器 </param> /// <param name="val">服务器 </param> /// <returns> </returns> public static string GetHtml(string URL, string cookie, out string header, string server) { return GetHtml(URL, cookie, out header, server, ""); } /// <summary> /// Get模式浏览 /// </summary> /// <param name="URL">Get网址 </param> /// <param name="cookie">cookie </param> /// <param name="header">句柄 </param> /// <param name="server">服务器地址 </param> /// <param name="val"> </param> /// <returns> </returns> public static string GetHtml(string URL, string cookie, out string header, string server, string val) { HttpWebRequest httpWebRequest; HttpWebResponse webResponse; Stream getStream; StreamReader streamReader; string getString = ""; httpWebRequest = (HttpWebRequest)HttpWebRequest.Create(URL); httpWebRequest.Accept = "*/*"; httpWebRequest.Referer = server; CookieContainer co = new CookieContainer(); co.SetCookies(new Uri(server), cookie); httpWebRequest.CookieContainer = co; httpWebRequest.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; Maxthon; .NET CLR 1.1.4322)"; httpWebRequest.Method = "GET"; webResponse = (HttpWebResponse)httpWebRequest.GetResponse(); header = webResponse.Headers.ToString(); getStream = webResponse.GetResponseStream(); streamReader = new StreamReader(getStream, Encoding.GetEncoding("gb2312")); getString = streamReader.ReadToEnd(); streamReader.Close(); getStream.Close(); return getString; } /// <summary> /// 返回验证码图片流 /// </summary> /// <param name="server">服务器地址 </param> /// <param name="URL">验证码网址 </param> /// <param name="cookie">cookie </param> /// <returns> </returns> public static Stream GetStreamByBytes(string server, string URL, string cookie) { Stream stream = GetCode(server, URL, cookie); return stream; } /// <summary> /// //获取验证码 /// </summary> /// <param name="server">服务器地址 </param> /// <param name="url">验证码网址 </param> /// <param name="cookie">cookie </param> /// <returns> </returns> public static Stream GetCode(string server, string url, string cookie) { HttpWebRequest httpWebRequest; httpWebRequest = (HttpWebRequest)HttpWebRequest.Create(url); CookieContainer co = new CookieContainer(); co.SetCookies(new Uri(server), cookie); httpWebRequest.CookieContainer = co; HttpWebResponse response = (HttpWebResponse)httpWebRequest.GetResponse(); Stream stream = response.GetResponseStream(); return stream; } /// <summary> /// 获取html /// </summary> /// <param name="server"> </param> /// <param name="url"> </param> /// <param name="cookie"> </param> /// <returns> </returns> public static string GetUser(string server, string url, string cookie) { string getString = ""; try { HttpWebRequest httpWebRequest; StreamReader streamReader; httpWebRequest = (HttpWebRequest)HttpWebRequest.Create(url); CookieContainer co = new CookieContainer(); co.SetCookies(new Uri(server), cookie); httpWebRequest.CookieContainer = co; HttpWebResponse response = (HttpWebResponse)httpWebRequest.GetResponse(); Stream stream = response.GetResponseStream(); streamReader = new StreamReader(stream, Encoding.GetEncoding("gb2312")); getString = streamReader.ReadToEnd(); try { httpWebRequest.GetResponse().Close(); } catch (WebException ex) { throw ex; } streamReader.Close(); stream.Close(); } catch { } return getString; } }}
