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8月26

通过C# POST GET HttpWebRequest发送请求HTTP

11:05Heck

Web开发 From: 本站原创

using System;
using System.Net;
using System.IO;
using System.Text;
using System.Timers;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
           string PostData = PostModel("接口地址", "字段1=内容1&字段2=内容2");

#region 定时器事件
           Timer aTimer = new Timer();
           aTimer.Elapsed += new ElapsedEventHandler(TimedEvent);
           aTimer.Interval = 10 * 1000; //每10秒通过GET请求返回内容
           aTimer.Enabled = true;
           #endregion

Console.ReadLine();
        }

private static string GetModel(string strUrl)
        {
            string strRet = null;
            try
            {
                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(strUrl);
                request.Timeout = 2000;
                HttpWebResponse response = (HttpWebResponse)request.GetResponse();
                System.IO.Stream resStream = response.GetResponseStream();
                Encoding encode = System.Text.Encoding.Default;
                StreamReader readStream = new StreamReader(resStream, encode);
                Char[] read = new Char[256];
                int count = readStream.Read(read, 0, 256);
                while (count > 0)
                {
                    String str = new String(read, 0, count);
                    strRet = strRet + str;
                    count = readStream.Read(read, 0, 256);
                }
                resStream.Close();
            }
            catch (Exception e)
            {
                strRet = "";
                Console.Write(e);
            }
            return strRet;
        }

public static string PostModel(string strUrl, string strParm)
        {
            Encoding encode = System.Text.Encoding.Default;
            byte[] arrB = encode.GetBytes(strParm);
            HttpWebRequest myReq = (HttpWebRequest)WebRequest.Create(strUrl);
            myReq.Method = "POST";
            myReq.ContentType = "application/x-www-form-urlencoded";
            myReq.ContentLength = arrB.Length;
            Stream outStream = myReq.GetRequestStream();
            outStream.Write(arrB, 0, arrB.Length);
            outStream.Close();
            WebResponse myResp = null;
            try
            {
                //接收HTTP做出的响应
                myResp = myReq.GetResponse();
            }
            catch (Exception e)
            {
                Console.Write(e);
            }
            Stream ReceiveStream = myResp.GetResponseStream();
            StreamReader readStream = new StreamReader(ReceiveStream, encode);
            Char[] read = new Char[256];
            int count = readStream.Read(read, 0, 256);
            string str = null;
            while (count > 0)
            {
                str += new String(read, 0, count);
                count = readStream.Read(read, 0, 256);
            }
            readStream.Close();
            myResp.Close();
            return str;
        }
        private static void TimedEvent(object source, ElapsedEventArgs e)
        {
            string GetData = GetModel("接口");
            Console.Write(GetData);
            Console.Write("\n");
        }

}
}

Tags: c# , get , httpwebrequest , post

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8月26

C#中通过POST发送数据函数

10:53Heck

Web开发 From: 本站原创

我们来看下在C#中如何用post数据的，请下面的这个例子。

//purl处理页面,str参数（如：username=admin&passwod=123456）
//使用：string data = PostData("http://www.hecks.tk/", "action=Fav&str=这个是好网站");

public static string PostData(string purl,string str)
         {
             try
             {
                 byte[] data = System.Text.Encoding.GetEncoding("GB2312").GetBytes(str);
                 // 准备请求
                 HttpWebRequest req = (HttpWebRequest)WebRequest.Create(purl);

//设置超时
                 req.Timeout = 30000;
                 req.Method = "Post";
                 req.ContentType = "application/x-www-form-urlencoded";
                 req.ContentLength = data.Length;
                 Stream stream = req.GetRequestStream();
                 // 发送数据
                 stream.Write(data, 0, data.Length);
                 stream.Close();

HttpWebResponse rep = (HttpWebResponse)req.GetResponse();
                 Stream receiveStream = rep.GetResponseStream();
                 Encoding encode = System.Text.Encoding.GetEncoding("GB2312");
                 // Pipes the stream to a higher level stream reader with the required encoding format.
                 StreamReader readStream = new StreamReader(receiveStream, encode);

Char[] read = new Char[256];
                 int count = readStream.Read(read, 0, 256);
                 StringBuilder sb = new StringBuilder("");
                 while (count > 0)
                 {
                     String readstr = new String(read, 0, count);
                     sb.Append(readstr);
                     count = readStream.Read(read, 0, 256);
                 }

rep.Close();
                 readStream.Close();

return sb.ToString();

}
             catch (Exception ex)
             {
                 return "";
                // ForumExceptions.Log(ex);
             }
         }

Tags: c# , httpwebrequest , post

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通过C# POST GET HttpWebRequest发送请求HTTP

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