C#微信开发之自定义菜单管理

/// <summary>
/// 创建公众号菜单
/// </summary>
/// <param name="posturl">URL</param>
/// <param name="postData">菜单JSON数据</param>
/// <returns></returns>
public void CreateMenu(string posturl, string postData)
{
　　　Stream outstream = null;
　　　Stream instream = null;
　　　StreamReader sr = null;
　　　HttpWebResponse response = null;
　　　HttpWebRequest request = null;
　　　Encoding encoding = Encoding.UTF8;
　　　byte[] data = encoding.GetBytes(postData);
　　　request = WebRequest.Create(posturl) as HttpWebRequest;
　　　CookieContainer cookieContainer = new CookieContainer();
　　　request.CookieContainer = cookieContainer;
  request.AllowAutoRedirect = true;
  request.Method = "POST";
  request.ContentType = "application/x-www-form-urlencoded";
  request.ContentLength = data.Length;
  outstream = request.GetRequestStream();
  outstream.Write(data, 0, data.Length);
  outstream.Close();
  response = request.GetResponse() as HttpWebResponse;
  instream = response.GetResponseStream();
  sr = new StreamReader(instream, encoding);
  string content = sr.ReadToEnd();
  Context.Response.Write(content);
}