private void GetOpenId(ref int comid)
{
//完整url、域名、参数
string urlstr = Request.Url.ToString();
string hoststr = HttpContext.Current.Request.Url.Host;
string paramstr = HttpContext.Current.Request.Url.Query;
//TxtHelper.WriteFile("D:\\site\\b2betown\\ETS2.WebApp\\Log.txt", "urlstr:" + urlstr + "\r\n----------------------------------------\r\n" + "hoststr:" + hoststr + "\r\n----------------------------------------\r\n" + "paramstr:" + paramstr);
//根据域名获取comid
comid = int.Parse(Regex.Match(hoststr, "\\d{1,}").ToString());
if (comid == 0)
{
return;
}
//TxtHelper.WriteFile("D:\\site\\b2betown\\ETS2.WebApp\\Log.txt", "Cookiehelp.GetCookie(openid):" + Cookiehelp.GetCookie("openid"));
//判断openid是否存在于cookie中
if (Cookiehelp.GetCookie("openid") != "")
{
Openid = Cookiehelp.GetCookie("openid");
//TxtHelper.WriteFile("D:\\site\\b2betown\\ETS2.WebApp\\Log.txt", "openid:" + Openid);
}
else
{
//判断code值是否存在，存在获取openid，并且保存到cookie中；
if (Request["code"].ConvertTo <string>("") != "")
{
string code = Request["code"];
//TxtHelper.WriteFile("D:\\site\\b2betown\\ETS2.WebApp\\Log.txt", "code:" + code);
WeiXinBasic basic = new WeiXinBasicData().GetWxBasicByComId(comid);
if (basic == null)
{
return;
}
//必须为认证服务号才含有网页授权获取用户openid的权限
if (basic.Weixintype == 4)
{
string requrl =
string.Format(
"https://api.weixin.qq.com/sns/oauth2/access_token?appid={0}&secret={1}&code={2}&grant_type=authorization_code",
basic.AppId, basic.AppSecret, code);
string returnStr = HttpUtil.Send("", requrl);
//TxtHelper.WriteFile("D:\\site\\b2betown\\ETS2.WebApp\\Log.txt", "returnStr:" + returnStr);
var obj = JsonConvert.DeserializeObject <ModelOpenID>(returnStr);
Openid = obj.openid;
//TxtHelper.WriteFile("D:\\site\\b2betown\\ETS2.WebApp\\Log.txt", "获取的openid:" + Openid);
//向cookie添加值
Cookiehelp.WriteCookie("openid", Openid, DateTime.Now.AddDays(30));
}
}
else //code值不存在，把域名、完整网址、参数部分 保存到数据库 请求网址记录表ReqUrl_Log，返回标识列值Mid；
{
ReqUrl_Log requrllog = new ReqUrl_Log
{
mid = 0,
urlstr = urlstr,
hoststr = hoststr,
paramstr = paramstr,
subtime = DateTime.Now
};
int mid = new ReqUrl_LogHelper().InsReqUrlLog(requrllog);
WeiXinBasic basic = new WeiXinBasicData().GetWxBasicByComId(comid);
if (basic == null)
{
return;
}
//必须为认证服务号才含有网页授权获取用户openid的权限
if (basic.Weixintype == 4)
{
string redirect_url = urlstr.Replace(".aspx" + paramstr, "_wx_" + mid + ".aspx");
//TxtHelper.WriteFile("D:\\site\\b2betown\\ETS2.WebApp\\Log.txt", "redirect_url:" + redirect_url);
scopeurl = WeiXinJsonData.GetFollowOpenLinkUrl(comid, redirect_url);
//TxtHelper.WriteFile("D:\\site\\b2betown\\ETS2.WebApp\\Log.txt", "scopeurl:" + scopeurl);
}
}
}
}
protected void Button1_Click(object sender, EventArgs e)
{
//测试阶段清除cookie,测试完成后删除
Cookiehelp.DeleteCookie("openid");
}
