/// <summary>
/// code换取openid和网页授权acctoken
/// </summary>
/// <returns></returns>
private WxOauthModel GetOpenidByCode()
{
WxOauthModel res = new WxOauthModel();
try
{
//第一步code换取accesstoken、openid
string code = HttpContext.Current.Request.QueryString["code"]?.ToString();
LogHelper.WriteLog("code:" + code);
//获取网页授权accesstoken
string url = $"https://api.weixin.qq.com/sns/oauth2/access_token?appid=" + WchartApiConst.appid + "&secret=" + WchartApiConst.appsecret + "&code=" + code + "&grant_type=authorization_code";
HttpItem httpItem = new HttpItem();
httpItem.URL = url;
httpItem.Method = "GET";
HttpHelper helper = new HttpHelper();
HttpResult httpResult = helper.GetHtml(httpItem);
var reshtml = httpResult.Html;
LogHelper.WriteLog("html1:" + reshtml);
res = JsonConvert.DeserializeObject <WxOauthModel>(reshtml);
}
catch (Exception ex)
{
LogHelper.WriteLog(ex, "GetOpenid");
}
return(res);
}
public JsonResponse CodeLogin()
{
try
{
string state = HttpContext.Current.Request.QueryString["state"]?.ToString() ?? "";
WxOauthModel info = GetOpenidByCode();
string infomodel = System.Web.HttpContext.Current.Cache.Get(info.openid)?.ToString() ?? "";
if (!string.IsNullOrEmpty(infomodel))
{
WxUserBaseInfoModel baseinfo = JsonConvert.DeserializeObject <WxUserBaseInfoModel>(infomodel.ToString());
System.Web.HttpContext.Current.Cache.Insert(state, baseinfo.openid, null, DateTime.Now.AddMinutes(5), System.Web.Caching.Cache.NoSlidingExpiration);
//客服消息提示扫码成功
return(FastResponse("扫码授权成功"));
}
}
catch (Exception ex)
{
LogHelper.WriteLog(ex, "codelogin");
}
return(FastResponse("扫码授权失败"));
}
