/// <summary> /// 获取接口token /// </summary> /// <param name="type">接口类型</param> /// <param name="isForce">是否强刷</param> public static string GetAccess_token(Access_Type type = Access_Type.weixin, bool isForce = false) { string Token = string.Empty; DateTime YouXRQ; // 读取XML文件中的数据,并显示出来 ,注意文件路径 string filepath = System.Web.HttpContext.Current.Server.MapPath("~/config/APIConfig.xml"); StreamReader str = new StreamReader(filepath, System.Text.Encoding.UTF8); XmlDocument xml = new XmlDocument(); xml.Load(str); str.Close(); str.Dispose(); Token = xml.SelectSingleNode("xml").SelectSingleNode(type.ToString() + "_Access_Token").InnerText; YouXRQ = Convert.ToDateTime(xml.SelectSingleNode("xml").SelectSingleNode(type + "_Access_YouXRQ").InnerText); if (isForce || DateTime.Now > YouXRQ) { DateTime _youxrq = DateTime.Now; Access_token mode = GetAccess_tokenByServer(type); xml.SelectSingleNode("xml").SelectSingleNode(type.ToString() + "_Access_Token").InnerText = mode.access_token; _youxrq = _youxrq.AddSeconds(int.Parse(mode.expires_in)); xml.SelectSingleNode("xml").SelectSingleNode(type.ToString() + "_Access_YouXRQ").InnerText = _youxrq.ToString(); xml.Save(filepath); Token = mode.access_token; } return(Token); }
/* * access_token是变化的,有自己的周期,官方解释为:"有效期为7200秒",这就要 求我们把获得的access_token存入一个物理文件或者Application中,请求到过期后修改这些内容,需要用的时候读出来. * 有些人可能想到了,如果过期我就在获得一个就好了,不用物理文件和Application也可以达到同样的效果,但是需要注意了微信平台对每天获得 * access_token的次数也作了限制,一个用户出发多次,如果用户多,那肯定就超出了。所以我们还是按照以上的思路实现这些功能: * 在此之前我们已经了解了获得access_token的方法(连接),现在只需要保证它的随时更新就好了. */ /// <summary> /// 从服务器获取access_token /// </summary> private static Access_token GetAccess_tokenByServer(Access_Type type = Access_Type.weixin) { SiteSettings masterSettings = SettingsManager.GetMasterSettings(true); string strUrl = ""; switch (type) { case Access_Type.weixin: //strUrl = "https://api.vdian.com/token?grant_type=client_credential&appkey=" + masterSettings.WeixinAppId + "&secret=" + masterSettings.WeixinAppSecret; strUrl = string.Format("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={0}&secret={1}", masterSettings.WeixinAppId, masterSettings.WeixinAppSecret); break; case Access_Type.weidian: //strUrl = "https://api.vdian.com/token?grant_type=client_credential&appkey=" + masterSettings.WeiDianAppId + "&secret=" + masterSettings.WeixinAppSecret; break; } Access_token mode = new Access_token(); HttpWebRequest req = (HttpWebRequest)HttpWebRequest.Create(strUrl); req.Method = "GET"; using (WebResponse wr = req.GetResponse()) { HttpWebResponse myResponse = (HttpWebResponse)req.GetResponse(); StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8); string content = reader.ReadToEnd(); //在这里对Access_token 赋值 //Access_token token = new Access_token(); //token = JsonHelper.ParseFromJson<Access_token>(content); //token = JsonConvert.DeserializeObject<Access_token>(content); JObject obj2 = JsonConvert.DeserializeObject(content) as JObject; if (obj2 != null && obj2.ToString().Contains("result")) { obj2 = JsonConvert.DeserializeObject(obj2["result"].ToString()) as JObject; mode.access_token = obj2["access_token"].ToString(); mode.expires_in = obj2["expire_in"].ToString(); } else if (obj2 != null && type == Access_Type.weixin) { obj2 = JsonConvert.DeserializeObject(obj2.ToString()) as JObject; mode.access_token = obj2["access_token"].ToString(); mode.expires_in = obj2["expires_in"].ToString(); } } return(mode); }
/// <summary> /// 调用微信接口获取所有门店信息 /// </summary> /// <param name="context"></param> private void getPoiList(System.Web.HttpContext context) { context.Response.ContentType = "application/json"; try { Thread.Sleep(1000); DataTable dtPoiInfo = WxPoiHelper.GetPoiListInfo(); List <PoiInfoList> poiInfoList = new List <PoiInfoList>(); if (dtPoiInfo.Rows.Count == 0)//如果没有同步,则调用微信接口重新获取 { //获取access_token string token = Access_token.GetAccess_token(Access_token.Access_Type.weixin, true); //门店列表接口提交url string url = "https://api.weixin.qq.com/cgi-bin/poi/getpoilist?access_token=" + token; //提交json串,门店列表索引开始:begin,门店列表返回数量限制:limit string json = @"{""begin"":0,""limit"":10}"; //调用post提交方法 string strPOIList = new Hishop.Weixin.MP.Util.WebUtils().DoPost(url, json); //将传回的json字符串转换为json对象 JObject obj3 = JsonConvert.DeserializeObject(strPOIList) as JObject; //将json对象转换为实体类对象 poiInfoList = JsonHelper.JsonToList <PoiInfoList>(obj3["business_list"].ToString()); //同步微信门店信息 if (WxPoiHelper.SyncPoiListInfo(poiInfoList)) { dtPoiInfo = WxPoiHelper.GetPoiListInfo(); } } //获取所有门店的坐标 string offset = string.Empty; foreach (DataRow row in dtPoiInfo.Rows) { offset += row["longitude"] + "," + row["latitude"] + ";";//增加精度纬度 } offset = offset.TrimEnd(';'); //将门店坐标放入数组 string[] offsetList = offset.Split(';'); /****************根据配送范围将门店的坐标循环匹配用户当前的坐标,误差范围:1公里*******************/ //允许的误差值(配送范围) double range = Convert.ToDouble(context.Request["range"]); //获取用户的坐标 double userLongtitude = Convert.ToDouble(context.Request["userLontitude"]); double userLatitude = Convert.ToDouble(context.Request["userLatitude"]); //循环判断获取距离,得到配送范围内的门店poi_id List <string> poi_id = new List <string>(); List <double> poi_user_distance = new List <double>(); for (int i = 0; i < offsetList.Length; i++) { string[] oa = offsetList[i].Split(',');//获取门店经度,纬度 double distance = GetDistance(userLatitude, userLongtitude, Convert.ToDouble(oa[1]), Convert.ToDouble(oa[0])); if (distance <= range) { poi_id.Add(dtPoiInfo.Rows[i]["poi_id"].ToString()); poi_user_distance.Add(distance); } } bool isUserInRange = false; string matchIds = ""; string matchDistance = ""; if (poi_id.Count > 0)//如果有配送范围内的用户,则返回第一个匹配到的门店后台id { for (int i = 0; i < poi_id.Count; i++) { DataTable dtSender = WxPoiHelper.GetSenderByPoiId(poi_id[i]); foreach (DataRow row in dtSender.Rows) { if (row["clientUserId"].ToString() != "") { matchIds += row["clientUserId"] + ","; matchDistance += poi_user_distance[i] + ","; } } } isUserInRange = true; //如果匹配到的微信门店还没有绑定至后台账号,给出提示 if (matchIds.Length == 0) { context.Response.Write("{\"success\":false,\"errMsg\":\"匹配到了未绑定的门店,或者门店还未通过审核!\"}"); return; } //根据门店id匹配到对应的子账号id:sender matchDistance = matchDistance.TrimEnd(','); matchIds = matchIds.TrimEnd(','); //string[] sender = matchId.Split(','); //string[] clientUserId = matchId.Split(','); /* * //将匹配到的所有门店以门店名字进行展示 (目前更换为街道名) * DataTable dtStoreName = WxPoiHelper.GetStoreName(matchIds); * string storeNameBtns = ""; * foreach (DataRow row in dtStoreName.Rows) * { * storeNameBtns += "<span role='btnStreet' distributorId='" + row["userid"].ToString() + "'>" + row["storeName"].ToString() + "</span>"; * } */ //将匹配到的所有街道以街道名字进行展示 DataTable dtStreetName = WxPoiHelper.GetStoreStreets(matchIds); string streetNameBtns = ""; foreach (DataRow row in dtStreetName.Rows) { streetNameBtns += "<span role='btnStreet' la='" + row["latitude"] + "' lo='" + row["longitude"] + "' distributorId='" + row["distributorid"].ToString() + "'>" + row["regionName"].ToString() + "</span>"; } context.Response.Write("{\"success\":true,\"isUserInRange\":\"" + isUserInRange + "\",\"distributorId\":\"" + streetNameBtns + "\"}"); } else { context.Response.Write("{\"success\":true,\"isUserInRange\":\"" + isUserInRange + "\"}"); } /* * //调试 * string[] la0 = offsetList[0].Split(','); * double distance = GetDistance(userLatitude,userLongtitude,Convert.ToDouble(la0[1]),Convert.ToDouble(la0[0])); * context.Response.Write("{\"success\":true,\"userLo\":" + userLongtitude + ",\"userLa\":" + userLatitude + ",\"poiLA\":\"" + offsetList[0] + "\",\"distance\":"+distance+"}"); */ } catch (Exception ex) { context.Response.Write("{\"success\":false,\"errMsg\":\"" + ex.Message + "\"}"); } }