static async Task example()
{
Console.Title = "国家空气质量获取库的使用演示";
//创建domain客户端
EnvCnemcPublishDomainContext publishCtx = new EnvCnemcPublishDomainContext(XAP_URL);
/*-----获取基础数据 ：省，市，检测站，然后才能愉快地玩耍,这些只要获取一次保存下来就不用再次获取 */
//获取数据涉及到的省份
IEnumerable <Province> provinces = await publishCtx.Load(publishCtx.GetProvincesQuery()).ResultAsync();
//获取所有城市,业务上City的ProvinceId属性与省份对应
IEnumerable <City> cities = await publishCtx.Load(publishCtx.GetCitiesQuery()).ResultAsync();
//获取所有检测站，业务上通过citycode与城市对应
IEnumerable <StationConfig> stations = await publishCtx.Load(publishCtx.GetStationConfigsQuery()).ResultAsync();
/*-----基础数据获取完毕*/
//预览：获取全国所有城市的实时空气质量,因没加查询条件和数量约束数据量比较大
IEnumerable <CityAQIPublishLive> citylives = await publishCtx.Load(publishCtx.GetCityAQIPublishLivesQuery()).ResultAsync();
Console.WriteLine($"获取了{citylives.Count()}个城市的数据，限于篇章问题，黑红榜分别显示前5名");
Console.WriteLine("{0,10}|{1,5}|{2,8}|{3,14}|{4,12}", "地区", "AQI", "等级", "主要污染物", "更新时间");
Console.WriteLine("黑榜前3");
citylives.Where(x => int.TryParse(x.AQI, out var i))
.OrderByDescending(x => int.Parse(x.AQI))
.Take(5).ToList()
.ForEach(showCityLive);
Console.WriteLine("红榜前3");
citylives.Where(x => int.TryParse(x.AQI, out var i))
.OrderBy(x => int.Parse(x.AQI))
.Take(5).ToList()
.ForEach(showCityLive);
Console.Write("\r\n进行下一阶段演示:"); Console.ReadLine(); Console.Clear();
//以下以浙江省和杭州市为示例
City hangzhou = cities.First(x => x.CityName.Contains("杭州"));
Province zhejiang = provinces.First(x => x.Id.Equals(hangzhou.ProvinceId));
Console.WriteLine($"获取单个省份{zhejiang.ProvinceName}的所有检测站实时空气状况");
AQIDataPublishLive[] zhengjiang_stations_air = await publishCtx.GetProvincePublishLives(zhejiang.Id).ResultAsync <AQIDataPublishLive[]>();
Console.WriteLine($"获取了{zhejiang.ProvinceName}所有检测站数据，限于篇章问题，黑红榜分别显示前5名");
Console.WriteLine("{0,10}|{1,5}|{2,8}|{3,14}|{4,12}", "检测站", "AQI", "等级", "主要污染物", "更新时间");
Console.WriteLine("黑榜前3");
zhengjiang_stations_air.Where(x => int.TryParse(x.AQI, out var i))
.OrderByDescending(x => int.Parse(x.AQI))
.Take(5).ToList()
.ForEach(showStationLive);
Console.WriteLine("红榜前3");
zhengjiang_stations_air.Where(x => int.TryParse(x.AQI, out var i))
.OrderBy(x => int.Parse(x.AQI))
.Take(5).ToList()
.ForEach(showStationLive);
Console.Write("进行下一阶段演示:"); Console.ReadLine(); Console.Clear();
////获取所有城市的一天内空气质量状况，这个太暴力，不建议使用，服务器趴了大家都别玩
//CityAQIModel[] allCityDayAqi = await PublishCtx.GetAllCityDayAQIModels().ResultAsync<CityAQIModel[]>();
//根据城市code获取所有检测站的空气数据
Console.WriteLine($"使用API 获取单个城市{hangzhou.CityName}的所有检测站实时空气状况");
AQIDataPublishLive[] hangzhou_stations1 = await publishCtx.GetAirByCity(hangzhou.CityCode).ResultAsync <AQIDataPublishLive[]>();
Console.WriteLine("{0,10}|{1,5}|{2,8}|{3,14}|{4,12}", "检测站", "AQI", "等级", "主要污染物", "更新时间");
hangzhou_stations1.ToList().ForEach(showStationLive);
Console.Write("\r\n进行下一阶段演示:"); Console.ReadLine(); Console.Clear();
Console.WriteLine($"获取指定城市{hangzhou.CityName}指定检测站前天的空气数据,并按时间升序显示");
//创建查询杭州的其中一个检测站
var station_qiandaohu = stations
.Where(x => hangzhou.CityCode == x.CityCode) //杭州的筛选
.Where(x => x.PositionName == "千岛湖") //名叫千岛湖
.First();
DateTime startTime = DateTime.Today.AddDays(-2);
DateTime endTime = DateTime.Today.AddDays(-1);
var stationHistory_query = publishCtx.GetIAQIDataPublishHistoriesQuery()
.Where(x => x.StationCode == station_qiandaohu.StationCode)
.Where(x => x.TimePoint >= startTime && x.TimePoint < endTime)
.OrderBy(x => x.TimePoint);
var station_qiandaohu_history = await publishCtx.Load(stationHistory_query).ResultAsync();
Console.WriteLine("{0,13}|{1,5}|{2,8}|{3,14}|{4,12}", "检测站", "PM2.5", "PM10", "SO2", "更新时间");
station_qiandaohu_history.ToList().ForEach(showStationHistory);
Console.WriteLine("\r\n依赖DomainServer框架的应用查询功能就像使用本地数据库一样,是不是见到了熟悉的Linq to sql,是的使用本库想你所想");
Console.WriteLine("演示结束");
}
public async Task airStationLoadTask()
{
try
{
load_lb.Visible = true;
string cityCode = "*";
string cityName = "全国";
if (cityComboBox.SelectedItem != null)
{
Area areaCityObj = (Area)(cityComboBox.SelectedItem);
cityCode = areaCityObj.AreaCode;
cityName = areaCityObj.AreaName;
}
if (proviceComboBox.SelectedItem != null && (cityCode == "*" || String.IsNullOrEmpty(cityCode)))
{
Area areaProviceObj = (Area)(proviceComboBox.SelectedItem);
cityCode = areaProviceObj.AreaCode.Substring(0, 2);
cityName = areaProviceObj.AreaName;
}
//创建domain客户端
EnvCnemcPublishDomainContext publishCtx = new EnvCnemcPublishDomainContext(XAP_URL);
//获取所有检测站，业务上通过citycode与城市对应
IEnumerable <StationConfig> stations = await publishCtx.Load(publishCtx.GetStationConfigsQuery()).ResultAsync();
List <JObject> list = new List <JObject>();
if (stations != null)
{
for (int i = 0; i < stations.Count(); i++)
{
StationConfig sc = stations.ElementAt(i);
if (cityCode == "*" || sc.CityCode.ToString().StartsWith(cityCode))
{
JObject jo = new JObject();
jo["UniqueCode"] = sc.UniqueCode;
jo["Area"] = sc.Area;
jo["CityCode"] = sc.CityCode;
jo["StationCode"] = sc.StationCode;
jo["Latitude"] = sc.Latitude;
jo["Longitude"] = sc.Longitude;
jo["PositionName"] = sc.PositionName;
list.Add(jo);
}
}
}
if (list.Count > 0)
{
if (asr.DeleteAirStationInfo())
{
_ = Task.Run(() =>
{
bool result = asr.AddAirStationInfo(list);
load_lb.Visible = false;
if (result)
{
stationQueryBtn_Click(null, null);
MessageBox.Show(cityName + list.Count + "个空气质量站点同步成功！", " 提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show(cityName + "空气质量站点同步失败！", " 提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
});
}
}
else
{
load_lb.Visible = false;
MessageBox.Show(cityName + "没有空气质量站点要同步", "", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
catch (Exception e)
{
load_lb.Visible = false;
//日志处理
Loghelper.WriteErrorLog("同步空气质量站点数据失败", e);
lr.AddLogInfo(e.ToString(), "同步空气质量站点数据失败", "", "Error");
//throw e;
}
}