URL的post

最新推荐文章于 2024-01-25 11:54:30 发布

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本文介绍了一个使用ASP.NET向指定URL发送POST请求的具体实现方式，并展示了如何解析响应内容及在另一端接收这些POST数据的方法。

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///////post页面

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.IO;
using System.Text;
using System.Net;
public partial class urlpost : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            string test = RequestPost("5", "http://localhost:1303/txweb/getURL.aspx", "");
        }
    }

    #region 向Url发送post请求,返回网站响应内容
    /// <summary>
    /// 向Url发送post请求,返回网站响应内容
    /// </summary>
    /// <param name="postData">发送数据</param>
    /// <param name="uriStr">接受数据的Url</param>
    /// <param name="action">更新操作</param>
    /// <returns>返回网站响应内容</returns>
    public static string RequestPost(string postData, string uriStr, string action)
    {
        HttpWebRequest requestScore = (HttpWebRequest)WebRequest.Create(uriStr);
        StringBuilder postContent = new StringBuilder();
        Encoding myEncoding = Encoding.GetEncoding("gb2312");
        postContent.Append(HttpUtility.UrlEncode("message", myEncoding));
        postContent.Append("=");
        postContent.Append(HttpUtility.UrlEncode(postData, myEncoding));
        //postContent.Append("&");
        //postContent.Append(HttpUtility.UrlEncode("type", myEncoding));
        //postContent.Append("=");
        //postContent.Append(HttpUtility.UrlEncode("sync", myEncoding));
        //postContent.Append("&");
        //postContent.Append(HttpUtility.UrlEncode("action", myEncoding));
        //postContent.Append("=");
        //postContent.Append(HttpUtility.UrlEncode(action, myEncoding));

requestScore.Headers.Add("qb_count", QB); //header传参重要

        byte[] data = Encoding.ASCII.GetBytes(postContent.ToString());
        requestScore.Method = "Post";
        requestScore.ContentType = "application/x-www-form-urlencoded;charset=UTF-8";
        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

}

/////get页面网站接收数据：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class getURL : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            string message = Request.Form["message"];

}
}
}

////////不带参数的body接收

if (!IsPostBack)
        {

                System.IO.Stream sm = Request.InputStream;//获取post正文
                int len = (int)sm.Length;//post数据长度
                byte[] inputByts = new byte[len];//字节数据,用于存储post数据
                sm.Read(inputByts, 0, len);//将post数据写入byte数组中
                sm.Close();//关闭IO流

                //**********下面是把字节数组类型转换成字符串**********
                string data = System.Text.Encoding.GetEncoding("utf-8").GetString(inputByts);//转为unicode编码
                data = Server.UrlDecode(data);//下面解释一下Server.UrlDecode和Server.UrlEncode的作用

            ////////数据解密
                string srt = Des3Encode.Des3.strOutCODE(data);
        }

          /// <summary>
          /// 以GET 形式获取数据
          /// </summary>
          /// <param name="RequestPara"></param>
          /// <param name="Url"></param>
          /// <returns></returns>

        public static string GetData(string RequestPara, string Url)
          {
              RequestPara=RequestPara.IndexOf('?')>-1?(RequestPara):("?"+RequestPara);

              WebRequest hr = HttpWebRequest.Create(Url + RequestPara);

              byte[] buf = System.Text.Encoding.GetEncoding("utf-8").GetBytes(RequestPara);
             hr.Method = "GET";

              System.Net.WebResponse response = hr.GetResponse();
              StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("utf-8"));
              string ReturnVal = reader.ReadToEnd();
              reader.Close();
              response.Close();

              return ReturnVal;
          }