Post和Get方式提交数据

最新推荐文章于 2025-04-07 13:47:58 发布

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最新推荐文章于 2025-04-07 13:47:58 发布

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分类专栏： C# 文章标签： string url stream byte

本文链接：https://blog.youkuaiyun.com/npl2580/article/details/8003159

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本文详细介绍了如何使用C#实现HTTP的POST和GET请求，包括数据编码、发送请求及接收响应的过程。

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        /// <summary>
        /// post提交数据
        /// </summary>
        /// <param name="data"></param>
        /// <param name="url"></param>
        /// <returns></returns>
        private string PostWebRequest(string data, string url)
        {
            string result = string.Empty;
            string postData = data;
            byte[] byteArray = Encoding.UTF8.GetBytes(postData); // 转化
            
            HttpWebRequest webRequest2 = (HttpWebRequest)WebRequest.Create(new Uri(url));
            webRequest2.Method = "POST";
            webRequest2.ContentType = "application/x-www-form-urlencoded";
            webRequest2.ContentLength = byteArray.Length;
            Stream newStream = webRequest2.GetRequestStream();
            // Send the data.
            newStream.Write(byteArray, 0, byteArray.Length);    //写入参数
            newStream.Close();

            HttpWebResponse response2 = (HttpWebResponse)webRequest2.GetResponse();
            using (StreamReader sr2 = new StreamReader(response2.GetResponseStream(), Encoding.UTF8))
            {
                result = sr2.ReadToEnd();
            }

            return result;
            
        }

        /// <summary>        /// get提交数据
        /// </summary>
        /// <param name="data"></param>
        /// <param name="url"></param>
        /// <returns></returns>
        private string GetWebRequest(string data, string url)
        {
            string result = "";
            HttpWebRequest req = (HttpWebRequest)HttpWebRequest.Create(url + "?" + data);
            req.Method = "GET";
            using (WebResponse wr = req.GetResponse())
            {
                //在这里对接收到的页面内容进行处理
                using (StreamReader sr = new StreamReader(wr.GetResponseStream()))
                {
                    result = sr.ReadToEnd();
                }
            }
            return result;
        }