[JS]天气预报服务含PM2.5，紫外线指数

接口实现的程序代码片断

try 
            { 
                string jsoncallback = Request["jsoncallback"]; 
                string ip = getClientIp(); 
                string[] ipips = ip.Split(','); 
 
                ip = ips[ips.Length - 1]; 
                ip = String.IsNullOrEmpty(Request["ip"]) ? ip : Request["ip"]; 
 
                ///获取详细地址 
                string area = IPLocation.IPLocate(_helper.GetQQWryDataPath(), ip); 
                 
                ///根据地址分析出省 
                Regex zzq = new Regex(String.Format("({0})", _helper.GetProvinces())); 
                Match mzzq = zzq.Match(area); 
                 
                ///根扬地址分析出所在地区 
                Regex shi = new Regex(String.Format("({0})", _helper.GetCityNames())); 
                Match mshi = shi.Match(area); 
 
                SortedList citys = new SortedList(); 
 
                object o = _cached.Get("citys"); 
                if (null != o) 
                { 
                    citys = o as SortedList; 
                } 
                else 
                { 
                    string[] cityCodes = _helper.GetCityCodes().Split('|'); 
                    foreach (string city in cityCodes) 
                    { 
                        string[] c = city.Split('-'); 
                        if (!citys.ContainsKey(c[0])) 
                            citys.Add(c[0], c[1]); 
                    } 
                    _cached.Set("citys", citys); 
                } 
                string weatId = "1"; 
 
                ///是否存在省的天气 
                weatId = citys.ContainsKey(mzzq.Value) ? Convert.ToString(citys[mzzq.Value]) : weatId; 
                ///是否存在市的天气 
                weatId = citys.ContainsKey(mshi.Value) ? Convert.ToString(citys[mshi.Value]) : weatId; 
 
                string keyName = String.Format("weather_{0}", weatId); 
                o = _cached.Get(keyName); 
                resultJson result = null; 
                if (null == o) 
                { 
                    TY.Web web = new TY.Web(); 
 
                    string ret = web.getHtml(String.Format("http://api.k780.com:88/?app=weather.today&weaid={0}&appkey=10003&sign=b59bc3ef6191eb9f747dd4e83c99f2a4&format=json", weatId), TY.EnCoding.UTF8); 
 
                    result = JsonConvert.DeserializeObject<resultJson>(ret); 
                    _cached.Set(keyName, result, 30); 
                } 
                else 
                { 
                    result = o as resultJson; 
                } 
                Response.Write(jsoncallback + "({\"week\":\"" + result.result.week + "\", \"citynm\":\"" + result.result.citynm + "\", \"temp\":\"" + result.result.temperature + "\",\"weather\":\"" + result.result.weather + "\" });"); 
            } 
            catch (Exception ex) 
            { 
                Log.WriteErrorLog("Tools.Web::weather", ex.Message); 
            }