private async void map_MapTapped(MapControl sender, MapInputEventArgs args)
{
if (useflag == true)
{
goalpoint = args.Location;
using (SQLiteConnection conn = BicycleDatabase.GetDbConnection())
{
TableQuery <Bicycle> t = conn.Table <Bicycle>();
var q = (from s in t
where s.bicycle_id == str
select s).SingleOrDefault();
(double x, double y) current_location_parse(string current_location)
{
var str = current_location.Split(',');
double.TryParse(str[0], out var x);
double.TryParse(str[1], out var y);
return(x, y);
}
Geopoint startpoint =
new Geopoint(new BasicGeoposition()
{
Latitude = current_location_parse(q.current_location).x,
Longitude = current_location_parse(q.current_location).y
});
await routeCreateAsync(startpoint, goalpoint); //g1应为当前选择车辆的坐标
useflag = false;
}
}
}
public string str; //用于记录输入的车牌号
private async void UseBicycleButton_Click(object sender, RoutedEventArgs e)
{
var button = sender as ToggleButton; //点击之后为ischecked==true
//button.IsChecked
string bicycleId = "";
if (button.IsChecked == true)
{
var content = new MyContentDialog();
ContentDialog con = new ContentDialog()
{
Content = content,
PrimaryButtonText = "确定",
SecondaryButtonText = "取消",
};
con.PrimaryButtonClick += (s, a) =>
{
button.Content = "结束用车";
//获取输入
str = content.Text;
};
con.SecondaryButtonClick += (s, a) =>
{
button.IsChecked = false;
};
await con.ShowAsync();
useflag = true;
}
if (button.IsChecked == false) //结束用车时的点击
{
button.Content = "用车";
map.Routes.Clear();
using (SQLiteConnection conn = BicycleDatabase.GetDbConnection())
{
TableQuery <Bicycle> t = conn.Table <Bicycle>();
var q = (from p in t
where p.bicycle_id == str
select p).SingleOrDefault();
//Debug.WriteLine(goalpoint.Position);
q.current_location = goalpoint.Position.Latitude.ToString() + ","
+ goalpoint.Position.Longitude.ToString();
conn.Update(q);
}
Bicycletest();
}
//Simulation.bicycleuse(this_account, bicycleId);
}
private void Bicycletest() //单车数据库测试
{
using (SQLiteConnection conn = BicycleDatabase.GetDbConnection())
{
TableQuery <Bicycle> t = conn.Table <Bicycle>();
var q = from s in t.AsParallel <Bicycle>()
orderby s.bicycle_id
select s;
// 绑定
bicycle.Clear();
map.MapElements.Clear();
foreach (var temp in q)
{
bicycle.Add(temp);
}
foreach (var temp in bicycle.Select(temp => current_location_parse(temp.current_location))
.Select(temp => new Geopoint(new BasicGeoposition()
{
Latitude = temp.x,
Longitude = temp.y,
})).Select(temp => new MapIcon()
{
Location = temp,
Image = RandomAccessStreamReference.
CreateFromUri(new Uri("ms-appx:///Assets/Bicycle.png")),
}))
{
map.MapElements.Add(temp);
}
#region
//List<List<string>> lat_lon = new List<List<string>>();
////将现在位置存入
//foreach (var item in bicycle)
//{
// lat_lon.Add(item.current_location.Split(',').ToList());
//}
//List<Geopoint> bikepoint = new List<Geopoint>();
//foreach (var item in lat_lon)
//{
// bikepoint.Add(new Geopoint(new BasicGeoposition()
// {
// Latitude = double.Parse(item[0]),
// Longitude = double.Parse(item[1]),
// }));
//}
//List<MapIcon> bikeicon = new List<MapIcon>();
//foreach (var item in bikepoint)
//{
// bikeicon.Add(new MapIcon() { Location = item }); //单车图标未定
//}
//foreach (var item in bikeicon)
//{
// map.MapElements.Add(item);
//}
#endregion
}
(double x, double y) current_location_parse(string current_location)
{
var str = current_location.Split(',');
double.TryParse(str[0], out var x);
double.TryParse(str[1], out var y);
return(x, y);
}
}
