可以对一个地址发送POST请求可以获取COOKIE
- using System;
- using System.IO;
- using System.Net;
- using System.Text;
- using System.Collections.Generic;
- using System.Text.RegularExpressions;
- namespace scan
- {
- public class zzHttp
- {
- private const string sContentType = "application/x-www-form-urlencoded";
- private const string sUserAgent = "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.2; .NET CLR 1.1.4322; .NET CLR 2.0.50727)";
- public static string Send(string data, string url)
- {
- return Send(Encoding.GetEncoding("UTF-8").GetBytes(data), url);
- }
- public static string Send(byte[] data, string url)
- {
- Stream responseStream;
- HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
- if (request == null)
- {
- throw new ApplicationException(string.Format("Invalid url string: {0}", url));
- }
- // request.UserAgent = sUserAgent;
- request.ContentType = sContentType;
- request.Method = "POST";
- request.ContentLength = data.Length;
- Stream requestStream = request.GetRequestStream();
- requestStream.Write(data, 0, data.Length);
- requestStream.Close();
- try
- {
- responseStream = request.GetResponse().GetResponseStream();
- }
- catch (Exception exception)
- {
- throw exception;
- }
- string str = string.Empty;
- using (StreamReader reader = new StreamReader(responseStream, Encoding.GetEncoding("UTF-8")))
- {
- str = reader.ReadToEnd();
- }
- responseStream.Close();
- return str;
- }
- #region 同步通过POST方式发送数据
- /// <summary>
- /// 通过POST方式发送数据
- /// </summary>
- /// <param name="Url">url</param>
- /// <param name="postDataStr">Post数据</param>
- /// <param name="cookie">Cookie容器</param>
- /// <returns></returns>
- public string SendDataByPost(string Url, string postDataStr, ref CookieContainer cookie)
- {
- HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);
- if (cookie.Count == 0)
- {
- request.CookieContainer = new CookieContainer();
- cookie = request.CookieContainer;
- }
- else
- {
- request.CookieContainer = cookie;
- }
- request.Method = "POST";
- request.ContentType = "application/x-www-form-urlencoded";
- request.ContentLength = postDataStr.Length;
- //request.Timeout = 1000;
- //request.ReadWriteTimeout = 3000;
- Stream myRequestStream = request.GetRequestStream();
- StreamWriter myStreamWriter = new StreamWriter(myRequestStream, Encoding.GetEncoding("gb2312"));
- myStreamWriter.Write(postDataStr);
- myStreamWriter.Close();
- HttpWebResponse response = (HttpWebResponse)request.GetResponse();
- Stream myResponseStream = response.GetResponseStream();
- StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("gb2312"));
- string retString = myStreamReader.ReadToEnd();
- myStreamReader.Close();
- myResponseStream.Close();
- return retString;
- }
- #endregion
- #region 同步通过GET方式发送数据
- /// <summary>
- /// 通过GET方式发送数据
- /// </summary>
- /// <param name="Url">url</param>
- /// <param name="postDataStr">GET数据</param>
- /// <param name="cookie">Cookie容器</param>
- /// <returns></returns>
- public string SendDataByGET(string Url, string postDataStr, ref CookieContainer cookie)
- {
- HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url + (postDataStr == "" ? "" : "?") + postDataStr);
- if (cookie.Count == 0)
- {
- request.CookieContainer = new CookieContainer();
- cookie = request.CookieContainer;
- }
- else
- {
- request.CookieContainer = cookie;
- }
- request.Method = "GET";
- request.ContentType = "text/html;charset=UTF-8";
- HttpWebResponse response = (HttpWebResponse)request.GetResponse();
- Stream myResponseStream = response.GetResponseStream();
- StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
- string retString = myStreamReader.ReadToEnd();
- myStreamReader.Close();
- myResponseStream.Close();
- return retString;
- }
- #endregion
- public string zzget(string Url,string getdata, string type)
- {
- try
- {
- System.Net.WebRequest wReq = System.Net.WebRequest.Create(Url + (getdata == "" ? "" : "?") + getdata);
- // Get the response instance.
- wReq.Method = "GET";
- wReq.ContentType = "text/html;charset=UTF-8";
- System.Net.WebResponse wResp = wReq.GetResponse();
- System.IO.Stream respStream = wResp.GetResponseStream();
- // Dim reader As StreamReader = New StreamReader(respStream)
- using (System.IO.StreamReader reader = new System.IO.StreamReader(respStream, Encoding.GetEncoding(type)))
- {
- return reader.ReadToEnd();
- }
- }
- catch (System.Exception ex)
- {
- //errorMsg = ex.Message;
- }
- return "";
- }
- ///<summary>
- ///采用post发送请求
- ///</summary>
- ///<param name="URL">url地址</param>
- ///<param name="strPostdata">发送的数据</param>
- ///<returns></returns>
- public string zzpost(string URL, IDictionary<string, Object> strPostdata, string strEncoding)
- {
- //IDictionary<string, Object> idc = new Dictionary<string, object>();
- StringBuilder data = new StringBuilder();
- foreach (KeyValuePair<string, Object> param in strPostdata)
- {
- data.Append(param.Key).Append("=");
- data.Append(param.Value.ToString());
- data.Append("&");
- }
- data.Remove(data.Length- 1,1);
- Encoding encoding = Encoding.Default;
- HttpWebRequest request = (HttpWebRequest)WebRequest.Create(URL);
- request.CookieContainer = new CookieContainer();//少了这句就不能登录
- request.Method = "post";
- request.Accept = "text/html, application/xhtml+xml, */*";
- request.ContentType = "application/x-www-form-urlencoded";
- byte[] buffer = encoding.GetBytes(data.ToString());
- request.ContentLength = buffer.Length;
- request.GetRequestStream().Write(buffer, 0, buffer.Length);
- /*
- request.ContentLength = data.Length;
- Stream myRequestStream = request.GetRequestStream();
- StreamWriter myStreamWriter = new StreamWriter(myRequestStream, Encoding.GetEncoding("gb2312"));
- myStreamWriter.Write(data);
- myStreamWriter.Close();
- */
- HttpWebResponse response = (HttpWebResponse)request.GetResponse();
- using (StreamReader reader = new StreamReader(response.GetResponseStream(), System.Text.Encoding.GetEncoding(strEncoding)))
- {
- return reader.ReadToEnd();
- }
- }
- /// <summary>
- /// 清除文本中Html的标签
- /// </summary>
- /// <param name="Content"></param>
- /// <returns></returns>
- public static string ClearHtml(string Content)
- {
- Content = Zxj_ReplaceHtml("&#[^>]*;", "", Content);
- Content = Zxj_ReplaceHtml("</?marquee[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml("</?object[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml("</?param[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml("</?embed[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml("</?table[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml(" ", "", Content);
- Content = Zxj_ReplaceHtml("</?tr[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml("</?th[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml("</?p[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml("</?a[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml("</?img[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml("</?tbody[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml("</?li[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml("</?span[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml("</?div[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml("</?th[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml("</?td[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml("</?script[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml("(javascript|jscript|vbscript|vbs):", "", Content);
- Content = Zxj_ReplaceHtml("on(mouse|exit|error|click|key)", "", Content);
- Content = Zxj_ReplaceHtml("<\\?xml[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml("<\\/?[a-z]+:[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml("</?font[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml("</?b[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml("</?u[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml("</?i[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml("</?strong[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml("</?strong[^>]*>", "", Content);
- Content = Zxj_ReplaceHtml(" ", "", Content);
- Regex r = new Regex(@"\s+");
- Content = r.Replace(Content, "");
- Content.Trim();
- string clearHtml = Content;
- return clearHtml;
- }
- /// <summary>
- /// 清除文本中的Html标签
- /// </summary>
- /// <param name="patrn">要替换的标签正则表达式</param>
- /// <param name="strRep">替换为的内容</param>
- /// <param name="content">要替换的内容</param>
- /// <returns></returns>
- private static string Zxj_ReplaceHtml(string patrn, string strRep, string content)
- {
- if (string.IsNullOrEmpty(content))
- {
- content = "";
- }
- Regex rgEx = new Regex(patrn, RegexOptions.IgnoreCase);
- string strTxt = rgEx.Replace(content, strRep);
- return strTxt;
- }
- }
- }
来源: http://www.phpxs.com/code/1004763/