public void GetSavedCityFromXml()
{
try
{
if (SavedCityInfoList.Count != 0)
{
Application.Current.Dispatcher.Invoke(() =>
{
SavedCityInfoList.Clear();
});
}
foreach (var city in XmlHelper.ReadFromXml())
{
Application.Current.Dispatcher.Invoke(() =>
{
SavedCityInfoList.Add(city);
});
}
if (SavedCityInfoList.Count > 0)
{
ListSelectItemCityInfo = SavedCityInfoList[0];
}
}
catch (Exception ex)
{
ShowErrorInfoStr("从XML中取出已保存城市过程中发生错误！\n" + ex.Message);
}
}
public void SearchCityAndSaveCityInfo()
{
if (!InitComplete)
{
MessageBox.Show("天气信息正在排队初始化中，现在不能新增城市，请稍后再试！", "系统提示", MessageBoxButton.OK, MessageBoxImage.Warning);
return;
}
try
{
if (string.IsNullOrEmpty(InputCityNameStr))
{
MessageBox.Show("输入城市名为空！", "系统提示", MessageBoxButton.OK, MessageBoxImage.Warning);
return;
}
FindCityInfoList.Clear();
foreach (var city in WeatherHelper.GetCityInfos(InputCityNameStr))
{
FindCityInfoList.Add(city);
}
#region 加入保存列表、刷新显示
if (FindCityInfoList.Count == 0)
{
MessageBox.Show("未查询到该城市信息！\n\n仅能查询国内非港澳台地区！", "系统提示", MessageBoxButton.OK, MessageBoxImage.Warning);
return;
}
foreach (var savedCity in SavedCityInfoList)
{
foreach (var findCity in FindCityInfoList)
{
if (savedCity.CityName == findCity.CityName && savedCity.CityCode == findCity.CityCode)
{
MessageBox.Show("保存失败！保存过程已被拦截。\n" + savedCity.CityName + "已经存在！", "系统提示", MessageBoxButton.OK,
MessageBoxImage.Warning);
return;
}
}
}
foreach (var city in FindCityInfoList)
{
SavedCityInfoList.Add(city);
}
XmlHelper.WriteToXml(SavedCityInfoList.ToList());
FindCityInfoList.Clear();
//ShowErrorInfoStr("请添加完所有城市后手动刷新天气信息！");
WriteLog("\t添加城市：" + InputCityNameStr);
MessageBox.Show(InputCityNameStr + " 添加成功！它将排末尾。\n请添加完所有城市后手动刷新天气信息！", "系统提示", MessageBoxButton.OK, MessageBoxImage.Information);
InputCityNameStr = string.Empty;
#endregion
}
catch (Exception ex)
{
ShowErrorInfoStr("添加城市过程中发生一个错误！\n" + ex.Message);
}
}