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  • Http操作类

      1 using System;
      2 using System.Collections.Generic;
      3 using System.Linq;
      4 using System.Text;
      5 using System.Net;
      6 using System.IO;
      7 
      8 namespace LongFor.BLL
      9 {
     10     /// <summary>   
     11     ///  Http操作类   
     12     /// </summary>   
     13     public static class HttpRequestUtil
     14     {
     15         private static Encoding DEFAULT_ENCODING = Encoding.GetEncoding("utf-8");
     16         private static string ACCEPT = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*";
     17         private static string CONTENT_TYPE = "application/x-www-form-urlencoded;charset=utf-8";
     18         private static string USERAGENT = "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; InfoPath.2; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; msn OptimizedIE8;ZHCN)";
     19         // "application/x-www-form-urlencoded;charset=gb2312";
     20         /// <summary>   
     21         ///  获取网址HTML   
     22         /// </summary>   
     23         /// <param name="url">网址 </param>   
     24         /// <returns> </returns>   
     25         public static string GetHtmlContent(string url)
     26         {
     27             return GetHtmlContent(url, DEFAULT_ENCODING);
     28         }
     29 
     30         /// <summary>   
     31         ///  获取网址HTML   
     32         /// </summary>   
     33         /// <param name="url">网址 </param>   
     34         /// <returns> </returns>   
     35         public static string GetHtmlContent(string url, Encoding encoding)
     36         {
     37             string html = string.Empty;
     38             HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
     39             request.UserAgent = USERAGENT;
     40             request.Credentials = CredentialCache.DefaultCredentials;
     41             WebResponse response = request.GetResponse();
     42             using (Stream stream = response.GetResponseStream())
     43             {
     44                 using (StreamReader reader = new StreamReader(stream, encoding))
     45                 {
     46                     html = reader.ReadToEnd();
     47                     reader.Close();
     48                 }
     49             }
     50             return html;
     51         }
     52 
     53         /// <summary>   
     54         /// 获取网站cookie   
     55         /// </summary>   
     56         /// <param name="url">网址 </param>   
     57         /// <returns> </returns>   
     58         public static string GetCookie(string url)
     59         {
     60             string cookie = string.Empty;
     61             WebRequest request = WebRequest.Create(url);
     62             request.Credentials = CredentialCache.DefaultCredentials;
     63             using (WebResponse response = request.GetResponse())
     64             {
     65                 cookie = response.Headers.Get("Set-Cookie");
     66             }
     67             return cookie;
     68         }
     69 
     70         /// <summary>   
     71         /// Post模式浏览   
     72         /// </summary>   
     73         /// <param name="url">网址</param>   
     74         /// <param name="data"></param>   
     75         /// <returns> </returns>   
     76         public static byte[] Post(string url, byte[] data)
     77         {
     78             return Post(null, url, data, null);
     79         }
     80 
     81         /// <summary>   
     82         /// Post模式浏览   
     83         /// </summary>   
     84         /// <param name="server">服务器地址 </param>   
     85         /// <param name="url">网址</param>   
     86         /// <param name="data"></param>   
     87         /// <param name="cookieHeader">cookieHeader</param>   
     88         /// <returns> </returns>   
     89         public static byte[] Post(string server, string url, byte[] data, string cookieHeader)
     90         {
     91             if (data == null || data.Length == 0)
     92             {
     93                 throw new ArgumentNullException("data");
     94             }
     95             HttpWebRequest httpWebRequest = (HttpWebRequest)HttpWebRequest.Create(url);
     96             if (!string.IsNullOrEmpty(cookieHeader))
     97             {
     98                 if (string.IsNullOrEmpty(server))
     99                 {
    100                     throw new ArgumentNullException("server");
    101                 }
    102                 CookieContainer co = new CookieContainer();
    103                 co.SetCookies(new Uri(server), cookieHeader);
    104                 httpWebRequest.CookieContainer = co;
    105             }
    106             httpWebRequest.ContentType = CONTENT_TYPE;
    107             httpWebRequest.Accept = ACCEPT;
    108             httpWebRequest.Referer = server;
    109             httpWebRequest.UserAgent = USERAGENT;
    110             httpWebRequest.Method = "Post";
    111             httpWebRequest.ContentLength = data.Length;
    112             using (Stream stream = httpWebRequest.GetRequestStream())
    113             {
    114                 stream.Write(data, 0, data.Length);
    115                 stream.Close();
    116             }
    117             using (HttpWebResponse webResponse = (HttpWebResponse)httpWebRequest.GetResponse())
    118             {
    119                 using (Stream stream = webResponse.GetResponseStream())
    120                 {
    121                     long contentLength = webResponse.ContentLength;
    122                     byte[] bytes = new byte[contentLength];
    123                     bytes = ReadFully(stream);
    124                     stream.Close();
    125                     return bytes;
    126                 }
    127             }
    128         }
    129 
    130         private static byte[] ReadFully(Stream stream)
    131         {
    132             byte[] buffer = new byte[128];
    133             using (MemoryStream ms = new MemoryStream())
    134             {
    135                 while (true)
    136                 {
    137                     int read = stream.Read(buffer, 0, buffer.Length);
    138                     if (read <= 0)
    139                         return ms.ToArray();
    140                     ms.Write(buffer, 0, read);
    141                 }
    142             }
    143         }
    144 
    145         /// <summary>   
    146         /// Get模式浏览   
    147         /// </summary>   
    148         /// <param name="url">Get网址</param>   
    149         /// <returns> </returns>   
    150         public static byte[] Get(string url)
    151         {
    152             return Get(null, url, null);
    153         }
    154 
    155         /// <summary>   
    156         /// Get模式浏览   
    157         /// </summary>   
    158         /// <param name="url">Get网址</param>   
    159         /// <param name="cookieHeader">cookieHeader</param>   
    160         /// <param name="server">服务器地址 </param>   
    161         /// <returns> </returns>   
    162         public static byte[] Get(string server, string url, string cookieHeader)
    163         {
    164             HttpWebRequest httpWebRequest = (HttpWebRequest)HttpWebRequest.Create(url);
    165             if (!string.IsNullOrEmpty(cookieHeader))
    166             {
    167                 if (string.IsNullOrEmpty(server))
    168                 {
    169                     throw new ArgumentNullException("server");
    170                 }
    171                 CookieContainer co = new CookieContainer();
    172                 co.SetCookies(new Uri(server), cookieHeader);
    173                 httpWebRequest.CookieContainer = co;
    174             }
    175             httpWebRequest.Accept = "*/*";
    176             httpWebRequest.Referer = server;
    177             httpWebRequest.UserAgent = USERAGENT;
    178             httpWebRequest.Method = "GET";
    179             HttpWebResponse webResponse = (HttpWebResponse)httpWebRequest.GetResponse();
    180             using (Stream stream = webResponse.GetResponseStream())
    181             {
    182                 long contentLength = webResponse.ContentLength;
    183                 byte[] bytes = new byte[contentLength];
    184                 bytes = ReadFully(stream);
    185                 stream.Close();
    186                 return bytes;
    187             }
    188         }
    189     }  
    190 }

    调用方式:

    PostData="queuename=roomsync&body={lengths:2,page:-1,datas:[67763C16-D5C7-4297-B73F-00009BA7D178,066F9157-1E7F-474C-9333-0000CBB2FB43]}";

    upRoomUrl="http://192.168.33.166:8080/web/queue";

     1 /// <summary>
     2         /// 发送更新房间数据服务
     3         /// </summary>
     4         /// <param name="PostData">需要发送的数据</param>
     5         /// <param name="type">数据来源类型</param>
     6         public static void SendService(string PostData, string type)
     7         {
     8             string upRoomUrl = ConfigurationManager.AppSettings.GetValues("upRoomUrl")[0];//计算更新房间数据接口地址
     9             if (upRoomUrl != "null")
    10             {
    11                 LogWrape.LoggerInfo(logger, type + ",增量计算房间表数据:" + PostData, DateTime.Now.ToString());
    12                 byte[] bt = System.Text.Encoding.UTF8.GetBytes(PostData);
    13                 string retMsg = System.Text.Encoding.UTF8.GetString(HttpRequestUtil.Post(upRoomUrl, bt));
    14                 LogWrape.LoggerInfo(logger, type + ",增量计算房间表数据返回结果:" + retMsg, DateTime.Now.ToString());
    15             }
    16         }
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  • 原文地址:https://www.cnblogs.com/webczw/p/3731783.html
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