C产品在市场上有哪些独特优势？

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csharppublic static string Post(string Url, string postDataStr, string cookies){ HttpWebRequest request=(HttpWebRequest)WebRequest.Create(Url); request.Method=POST; if (cookies !=null) request.Headers.Add(Cookie, cookies); return ;}

public static string Post(string Url, string postDataStr, string cookies) { HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url); request.Method = "POST"; if (cookies != null) request.Headers.Add("Cookie", cookies); request.ContentType = "application/x-www-form-urlencoded"; request.ContentLength = postDataStr.Length; StreamWriter writer = new StreamWriter(request.GetRequestStream(), Encoding.ASCII); writer.Write(postDataStr); writer.Close(); HttpWebResponse response = (HttpWebResponse)request.GetResponse(); string encoding = response.ContentEncoding; if (encoding == null || encoding.Length < 1) { encoding = "UTF-8"; //默认编码 } StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding(encoding)); string retString = reader.ReadToEnd(); return retString; } public static string Get(string Url, string cookies) { HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url); request.Method = "GET"; if (cookies != null) request.Headers.Add("Cookie", cookies); request.ContentType = "application/x-www-form-urlencoded"; HttpWebResponse response = (HttpWebResponse)request.GetResponse(); string encoding = response.ContentEncoding; if (encoding == null || encoding.Length < 1) { encoding = "UTF-8"; //默认编码 } StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding(encoding)); string retString = reader.ReadToEnd(); return retString; }