/// <summary>
/// 请求AccessToken
/// </summary>
/// <param name="credentials">xml的credential凭证列表</param>
private Credential RequestAccessToken(List <Credential> credentials)
{
//获取要请求的Credential类（公众号还是企业号类型）
Credential credential = GetCredentialsFromXmlByType();
//请求
//HttpWebRequest webRequest;
string strUrl = credential.RequestInfo.Url;
if (credential.RequestInfo.RequestType.ToLower() == "get")
{
string strParams = string.Empty;
//组装参数到url上
foreach (string str in credential.RequestInfo.QueryParam)
{
string[] strKeyValue = str.Split(':');
if (strKeyValue.Length > 1)
{
strParams += strKeyValue[0] + "=" + strKeyValue[1] + "&";
}
else
{
strParams += strKeyValue[0] + "=" + strKeyValue[0] + "&";
}
}
strUrl += "?" + strParams.TrimEnd('&');
}
//请求
HttpItem hi = new HttpItem();
hi.URL = strUrl;
hi.Method = credential.RequestInfo.RequestType;
if (credential.RequestInfo.ProtocolType.ToLower() == "https")
{
hi.IsTrustCertificate = true;
}
hi.Encoding = Encoding.UTF8;
HttpHelper hh = new HttpHelper();
HttpResult hr = hh.GetHtml(hi);
string strContext = hr.Html;
//转换返回结果为实体
WxAccessToken wxat = JsonConvert.DeserializeObject <WxAccessToken>(strContext);
//写入xml
this.WriteXmlAccessToken(wxat);
//写入cache
Credential c = GetCredentialsFromXmlByType();
DateTime dtExpired = new ConvertDateTime().String2DataTime(c.TokenInfo.GetTokenDateTime).AddSeconds(double.Parse(c.TokenInfo.ExpiresIn) - double.Parse(c.TokenInfo.EarlyEnd));
CacheHelper.SetCache(c.WxPlatFormType, c, dtExpired);
//返回Credential
return(c);
}
/// <summary>
/// 写入xml元素文本
/// </summary>
/// <param name="wxat"></param>
private void WriteXmlAccessToken(WxAccessToken wxat)
{
List <XElement> listEleRtn = this._xo.GetXEleFromStrFormat("Credentials.Credential");
if (listEleRtn == null || listEleRtn.Count <= 0)
{
return;
}
foreach (XElement xele in listEleRtn)
{
string strWxPlatFormType = xele.Element("WxPlatFormType").Value;
//如果与平台相同，则写入xml
if (strWxPlatFormType.Equals(this._wxPlatFormTypeEnum.ToString()))
{
xele.Element("TokenInfo").Element("access_token").SetValue(wxat.access_token);
xele.Element("TokenInfo").Element("expires_in").SetValue(wxat.expires_in);
xele.Element("TokenInfo").Element("gettoken_dt").SetValue(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
this._xo.XElement.Save(strFilePath);
break;
}
}
}
