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

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    #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;  
    }