模拟Post请求

此文摘自csdn青山的博客地址：http://blog.csdn.net/a497785609/article/details/6437154

本人随笔只为方便自己查阅，也为广大网友提供方便，不喜勿喷！

    #region  向Url发送post请求
    /// <summary>
    /// 向Url发送post请求
    /// </summary>
    /// <param name="postData">发送数据</param>
    /// <param name="uriStr">接受数据的Url</param>
    /// <returns>返回网站响应请求的回复</returns>
    public static string RequestPost(string postData, string uriStr)
    {
        HttpWebRequest requestScore = (HttpWebRequest)WebRequest.Create(uriStr);  

        ASCIIEncoding encoding = new ASCIIEncoding();
        byte[] data = encoding.GetBytes(postData);
        requestScore.Method = "Post";
        requestScore.ContentType = "application/x-www-form-urlencoded";
        requestScore.ContentLength = data.Length;
        requestScore.KeepAlive = true;  

        Stream stream = requestScore.GetRequestStream();
        stream.Write(data, 0, data.Length);
        stream.Close();  

        HttpWebResponse responseSorce;
        try
        {
            responseSorce = (HttpWebResponse)requestScore.GetResponse();
        }
        catch (WebException ex)
        {
            responseSorce = (HttpWebResponse)ex.Response;//得到请求网站的详细错误提示
        }
        StreamReader reader = new StreamReader(responseSorce.GetResponseStream(), Encoding.UTF8);
        string content = reader.ReadToEnd();  

        requestScore.Abort();
        responseSorce.Close();
        responseSorce.Close();
        reader.Dispose();
        stream.Dispose();
        return content;
    }
    #endregion

接收数据方法，

    /// <summary>
    /// 得到程序post过来的数据
    /// </summary>
    /// <returns></returns>
    private string GetPostContent()
    {
        string postStr = string.Empty;
        Stream inputStream = Request.InputStream;
        int contentLength = Request.ContentLength;
        int offset = 0;
        if (contentLength > 0)
        {
            byte[] buffer = new byte[contentLength];
            for (int i = inputStream.Read(buffer, offset, contentLength - offset); i > 0; i = inputStream.Read(buffer, offset, contentLength - offset))
            {
                offset += i;
            }
            UTF8Encoding encoding = new UTF8Encoding();
            postStr = encoding.GetString(buffer);
        }
        return postStr;
    }