private async Task <List <WeatherDailyInfo> > GetDaysWeather(int dayNumber)
{
if (dayNumber != 3 && dayNumber != 7)
{
return(null);
}
if (id == null)
{
await RefreshLocationId();
}
string uri = "https://devapi.qweather.com/v7/weather/{2}d?location={0}&key={1}";
uri = string.Format(uri, id, Key, dayNumber.ToString());
HttpClientHandler handler = new HttpClientHandler()
{
AutomaticDecompression = DecompressionMethods.GZip
};
HttpClient httpClient = new HttpClient(handler)
{
Timeout = TimeSpan.FromSeconds(3)
};
HttpResponseMessage response = await httpClient.GetAsync(uri);
response.EnsureSuccessStatusCode();
string responseBody = await response.Content.ReadAsStringAsync();
JObject responseJson = JsonConvert.DeserializeObject(responseBody) as JObject;
int code = (int)responseJson?["code"];
if (code != 200)
{
Exception e = new Exception($"天气预报获取错误 \r\n uri = {uri} \r\n code = {code}");
throw e;
}
JArray days = responseJson?["daily"] as JArray;
List <WeatherDailyInfo> result = new List <WeatherDailyInfo>();
if (days == null)
{
Exception e = new Exception("天气预报获取错误 \r\n uri = {uri} \r\n " + nameof(days) + " == null");
throw e;
}
foreach (JToken day in days)
{
WeatherDailyInfo info = new WeatherDailyInfo
{
TempMax = (int)day["tempMax"],
TempMin = (int)day["tempMin"],
FxDate = (DateTime)day["fxDate"],
IconDay = (int)day["iconDay"],
TextDay = (string)day["textDay"],
IconNight = (int)day["iconNight"],
TextNight = (string)day["textNight"]
};
result.Add(info);
}
return(result);
}
public WeatherDailyItemViewModel(WeatherDailyInfo weatherDailyInfo)
{
IconDay = weatherDailyInfo.IconDay;
IconNight = weatherDailyInfo.IconNight;
TemperatureInfo = $"气温 {weatherDailyInfo?.TempMin} ~ {weatherDailyInfo?.TempMax}℃";
int culturalWeek = ((int)DateTime.Today.DayOfWeek - 1 + 7) % 7;
//使 thisWeekEnd 所指日期在 我国的 本周日
DateTime thisWeekEnd = DateTime.Today.AddDays(6 - culturalWeek);
var weeks = new string[] { "周日", "周一", "周二", "周三", "周四", "周五", "周六" };
string dayOfWeek = weeks[(int)weatherDailyInfo.FxDate.DayOfWeek];
if (weatherDailyInfo.FxDate > thisWeekEnd)
{
dayOfWeek = "下" + dayOfWeek;
}
Title = dayOfWeek + "天气预报";
}
private List <WeatherDailyItemViewModel> WeatherDailyDemo()
{
WeatherDailyInfo dailyInfo = new WeatherDailyInfo
{
TempMax = 10,
TempMin = 5,
TextDay = "晴",
TextNight = "小雨",
IconDay = 100,
IconNight = 150,
};
WeatherDailyItemViewModel vm = new WeatherDailyItemViewModel(dailyInfo);
List <WeatherDailyItemViewModel> vms = new List <WeatherDailyItemViewModel>();
vms.Add(vm);
vms.Add(vm);
vms.Add(vm);
vms.Add(vm);
return(vms);
}