public void Init_accessToken()
{
MyHttpClient a = MyHttpClient.getInstance(path_dir + "outgoing.CertwithKey.pkcs12", "IoM@1234", path_dir + "ca.jks", "Huawei@123");
Map paramLogin = new HashMap();
paramLogin.put("appId", appId);
paramLogin.put("secret", secret);
ResponseMsg b = a.sendMsg(url_login, paramLogin);
HttpsUtil http_utils_test = new HttpsUtil();
string login_str = b.getContent().ToString();
System.Diagnostics.Debug.WriteLine(login_str);
accessToken_str = extract_data_from_json(login_str, "\"accessToken\"", 0).Replace("\"", "");//删除双引号，这里获取的accessToken以后会用到
System.Diagnostics.Debug.WriteLine(accessToken_str);
}