C# Post数据和接收简单示例【摘】

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public partial class Post_Server : System.Web.UI.Page{    protected void Page_Load(object sender, EventArgs e)    {        string type = "";        string Re = "";        Re += "数据传送方式：";        if (Request.RequestType.ToUpper() == "POST")        {            type = "POST";            Re += type + "<br/>参数分别是：<br/>";            SortedList table = Param();            if (table != null)            {                foreach (DictionaryEntry De in table) { Re += "参数名：" + De.Key + " 值：" + De.Value + "<br/>"; }            }            else            { Re = "你没有传递任何参数过来！"; }        }        else        {            type = "GET";            Re += type + "<br/>参数分别是：<br/>";            NameValueCollection nvc = GETInput();            if (nvc.Count != 0)            {                for (int i = 0; i < nvc.Count; i++) { Re += "参数名：" + nvc.GetKey(i) + " 值：" + nvc.GetValues(i)[0] + "<br/>"; }            }            else            { Re = "你没有传递任何参数过来！"; }        }        Response.Write(Re);    }    //获取GET返回来的数据    private NameValueCollection GETInput()    { return Request.QueryString; }    // 获取POST返回来的数据    private string PostInput()    {        try        {            System.IO.Stream s = Request.InputStream;            int count = 0;            byte[] buffer = new byte[1024];            StringBuilder builder = new StringBuilder();            while ((count = s.Read(buffer, 0, 1024)) > 0)            {                builder.Append(Encoding.UTF8.GetString(buffer, 0, count));            }            s.Flush();            s.Close();            s.Dispose();            return builder.ToString();        }        catch (Exception ex)        { throw ex; }    }    private SortedList Param()    {        string POSTStr = PostInput();        SortedList SortList = new SortedList();        int index = POSTStr.IndexOf("&");        string[] Arr = { };        if (index != -1) //参数传递不只一项        {            Arr = POSTStr.Split('&');            for (int i = 0; i < Arr.Length; i++)            {                int equalindex = Arr[i].IndexOf('=');                string paramN = Arr[i].Substring(0, equalindex);                string paramV = Arr[i].Substring(equalindex + 1);                if (!SortList.ContainsKey(paramN)) //避免用户传递相同参数                { SortList.Add(paramN, paramV); }                else //如果有相同的，一直删除取最后一个值为准                { SortList.Remove(paramN); SortList.Add(paramN, paramV); }            }        }        else //参数少于或等于1项        {            int equalindex = POSTStr.IndexOf('=');            if (equalindex != -1)            { //参数是1项                string paramN = POSTStr.Substring(0, equalindex);                string paramV = POSTStr.Substring(equalindex + 1);                SortList.Add(paramN, paramV);            }            else //没有传递参数过来            { SortList = null; }        }        return SortList;    }}

  protected void Button1_Click(object sender, EventArgs e)    {        Encoding encode = System.Text.Encoding.GetEncoding("utf-8");        byte[] arrB = encode.GetBytes("aa=aa&bb=好飞");        HttpWebRequest myReq = (HttpWebRequest)WebRequest.Create("http://localhost:11626/MyTest/Post_Server.aspx");        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();        //接收HTTP做出的响应        WebResponse myResp = myReq.GetResponse();        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();        Response.Write(str);    }

转载自：http://www.cnblogs.com/goody9807/archive/2011/09/26/2191655.html

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