我的 Json 返回如下:
[{"CreatedBy":"GIS_DB","CreatedDate":"3/8/2012 10:44:00
AM","Id":39,"修改者":"","修改日期":"","名称":"CF-39","StatusId":1,"TrailCoordinates":[{"CreatedBy":" GIS_DB","创建日期":"2012 年 3 月 8 日
10:44:00
AM","Id":1637,"纬度":32.76004207,"经度":-97.34006853,"修改者":"","修改日期":"","SortOrder":1,"TrailId":39},{ “创建者”:“GIS_DB”,“创建日期”:“2012 年 3 月 8 日
10:44:00
AM”,“Id”:1638,“纬度”:32.76004333,“经度”:-97.34012121,“修改者”:“”,“修改日期”:“”,“排序顺序”:2,“TrailId”:39}]} ,{"创建者":"GIS_DB","创建日期":"2012 年 3 月 8 日
10:44:00
AM","Id":40,"修改者":"","修改日期":"","名称":"CF-40","StatusId":1,"TrailCoordinates":[{"CreatedBy":" GIS_DB","创建日期":"2012 年 3 月 8 日
10:44:00
AM","Id":3755,"纬度":32.76034332,"经度":-97.3402069,"修改者":"","修改日期":"","SortOrder":1,"TrailId":40},{ “创建者”:“GIS_DB”,“创建日期”:“2012 年 3 月 8 日
10:44:00
AM”,“Id”:3756,“纬度”:32.76019181,“经度”:-97.3402448,“修改者”:“”,“修改日期”:“”,“排序顺序”:2,“TrailId”:40}]} ]
这些是我的课...
public class Trails
{
[MonoTouch.Foundation.Preserve]
public Trails(){ TrailCoord = new List<trailcoords>();}
[MonoTouch.Foundation.Preserve, JsonProperty("Name")]
public string TrailName { get; set; }
[MonoTouch.Foundation.Preserve, JsonProperty("StatusId")]
public int StatusId { get; set; }
[MonoTouch.Foundation.Preserve, JsonProperty("TrailCoordinates")]
public List<trailcoords> TrailCoord { get; set; }
// public trailcoords
public Trails (string trailname, int statusid, List<trailcoords> trailcoord)
{
TrailName = trailname;
StatusId = statusid;
TrailCoord = trailcoord;
}
}
public class trailcoords
{
[MonoTouch.Foundation.Preserve]
public trailcoords(){}
[MonoTouch.Foundation.Preserve, JsonProperty("TrailId")]
public string TrailId { get; set; }
[MonoTouch.Foundation.Preserve, JsonProperty("Latitude")]
public double Latitude { get; set; }
[MonoTouch.Foundation.Preserve, JsonProperty("Longitude")]
public double Longitude { get; set; }
public trailcoords (string trailid, double latitude, double longitude)
{
TrailId = trailid;
Latitude = latitude;
Longitude = longitude;
}
}
List<Trails> Posts = JsonConvert.DeserializeObject<List<Trails>> ( json );
因此,从这里我不确定如何访问列表中的纬度和经度项目。我可以毫无问题地访问 TrailName 等内容,但不确定我对数组中的数组中的项目做错了什么。我想添加它们,以便我可以将它们绘制为类似于我制作的结构中的线(硬编码值):
CLLocationCoordinate2D[] tmpTrail1 = new CLLocationCoordinate2D[]{
new CLLocationCoordinate2D(32.751531, -97.361755),
new CLLocationCoordinate2D(32.751451, -97.356625),
new CLLocationCoordinate2D(32.751500, -97.332077),
};
CLLocationCoordinate2D[] tmpTrail2 = new CLLocationCoordinate2D[] {
new CLLocationCoordinate2D(32.727353, -97.361139),
new CLLocationCoordinate2D(32.747731, -97.359896),
new CLLocationCoordinate2D(32.765735, -97.360360),
};
_trailOverlayPoints = new List<CLLocationCoordinate2D[]>();
_trailOverlayPoints.Add(tmpTrail1);
_trailOverlayPoints.Add(tmpTrail2);