.net WeChat development How to get AccessToken

This article has shared with you the method of obtaining AccessToken for your reference. The specific content is as follows

AccessToken method

public static Access_token GetAccessToken()
{
  string formatString = ("/cgi-bin/token?grant_type=client_credential&appid={0}&secret={1}", AppId, AppSecret);

  Access_token res = new Access_token();
  HttpWebRequest request = (HttpWebRequest)(formatString);
   = "GET";
   = "text/html;charset=UTF-8";
  HttpWebResponse response = (HttpWebResponse)();
  Stream myResponseStream = ();
  StreamReader myStreamReader = new StreamReader(myResponseStream, ("utf-8"));
  string retString = ();
  ();
  ();
  if (("7200") > 0)
  {
    Access_token token = new Access_token();
    token = <Access_token>(retString);
    res.access_token = token.access_token;
    res.expires_in = token.expires_in;
  }
  return res;
}

Access_token class structure

public class Access_token
{
  public Access_token()
  {
    // 
    //TODO: Used to verify whether Access_token expires entity    // 
  }
  string _access_token;
  string _expires_in;

  /// &lt;summary&gt; 
  /// The obtained voucher  /// &lt;/summary&gt; 
  public string access_token
  {
    get { return _access_token; }
    set { _access_token = value; }
  }

  /// &lt;summary&gt; 
  /// The validity time of the voucher, unit: seconds  /// &lt;/summary&gt; 
  public string expires_in
  {
    get { return _expires_in; }
    set { _expires_in = value; }
  }
}

method

/// &lt;summary&gt; 
/// Convert JSON object to Model/// &lt;/summary&gt; 
/// &lt;typeparam name="T"&gt;&lt;/typeparam&gt; 
/// &lt;param name="szJson"&gt;&lt;/param&gt; 
/// &lt;returns&gt;&lt;/returns&gt; 
public static T ParseFromJson&lt;T&gt;(string szJson)
{
  T obj = &lt;T&gt;();
  using (MemoryStream ms = new MemoryStream(Encoding.(szJson)))
  {
    DataContractJsonSerializer serializer = new DataContractJsonSerializer(());
    return (T)(ms);
  }
}

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