[英]Deserializing the JSON object in c#
我的问题可能读起来很长,但我相信对于熟悉 Visual Studio 环境的人来说,解决方案非常简单。 我是安静的新人,这不是我们的研究领域,所以我们有一些麻烦。 我会很高兴得到任何帮助!
我遇到了以下问题:
我正在尝试反序列化以下 JSON 格式:
[
{
"id": 1,
"active": true,
"air_drop_pos": {
"latitude": 38.141833,
"longitude": -76.425263
},
"fly_zones": [
{
"altitude_msl_max": 200.0,
"altitude_msl_min": 100.0,
"boundary_pts": [
{
"latitude": 38.142544,
"longitude": -76.434088,
"order": 1
},
{
"latitude": 38.141833,
"longitude": -76.425263,
"order": 2
},
{
"latitude": 38.144678,
"longitude": -76.427995,
"order": 3
}
]
}
],
"home_pos": {
"latitude": 38.14792,
"longitude": -76.427995
},
"mission_waypoints": [
{
"altitude_msl": 200.0,
"latitude": 38.142544,
"longitude": -76.434088,
"order": 1
}
],
"off_axis_target_pos": {
"latitude": 38.142544,
"longitude": -76.434088
},
"emergent_last_known_pos": {
"latitude": 38.145823,
"longitude": -76.422396
},
"search_grid_points": [
{
"altitude_msl": 200.0,
"latitude": 38.142544,
"longitude": -76.434088,
"order": 1
}
]
}
]
使用命令: Edit -> Paste Special -> Paste JSON as class我已经创建了接收所有信息所需的类。
然后在 C# 中,我使用以下代码反序列化数据:
using (webResponse3 = (HttpWebResponse)webRequest3.GetResponse())
{
using (var stream = webResponse3.GetResponseStream())
{
using (var reader = new StreamReader(stream))
{
RootobjectMissions outObject1 = (RootobjectMissions)new JsonSerializer().Deserialize(reader, typeof(RootobjectMissions));
}
}
}
我收到以下错误:
将格式更改为正确格式的可能方法是什么? 源 JSON 看起来是一个进入数组类的数组。 可能是什么问题?
我感谢任何帮助!
我不知道 RootobjectMissions 但我认为反序列化需要字符串才能工作而不是流阅读器所以
改变这个:
using (var reader = new StreamReader(stream))
{
RootobjectMissions outObject1 = (RootobjectMissions)new JsonSerializer().Deserialize(reader, typeof(RootobjectMissions));
}
对此:
using (var reader = new StreamReader(stream))
{
RootobjectMissions outObject1 = (RootobjectMissions)new JsonSerializer().Deserialize(reader.ReadToEnd(), typeof(RootobjectMissions));
}
我使用 json2csharp.com 创建示例类。 将文件内容反序列化为“任务”实例数组:
class Program
{
static void Main(string[] args)
{
using (var file = File.OpenRead("data.json"))
{
using (var reader = new StreamReader(file))
{
var content = reader.ReadToEnd();
var missions = JsonConvert.DeserializeObject<Mission[]>(content);
System.Console.WriteLine(missions);
}
}
}
}
public class AirDropPos
{
public double latitude { get; set; }
public double longitude { get; set; }
}
public class BoundaryPt
{
public double latitude { get; set; }
public double longitude { get; set; }
public int order { get; set; }
}
public class FlyZone
{
public double altitude_msl_max { get; set; }
public double altitude_msl_min { get; set; }
public List<BoundaryPt> boundary_pts { get; set; }
}
public class HomePos
{
public double latitude { get; set; }
public double longitude { get; set; }
}
public class MissionWaypoint
{
public double altitude_msl { get; set; }
public double latitude { get; set; }
public double longitude { get; set; }
public int order { get; set; }
}
public class OffAxisTargetPos
{
public double latitude { get; set; }
public double longitude { get; set; }
}
public class EmergentLastKnownPos
{
public double latitude { get; set; }
public double longitude { get; set; }
}
public class SearchGridPoint
{
public double altitude_msl { get; set; }
public double latitude { get; set; }
public double longitude { get; set; }
public int order { get; set; }
}
public class Mission
{
public int id { get; set; }
public bool active { get; set; }
public AirDropPos air_drop_pos { get; set; }
public List<FlyZone> fly_zones { get; set; }
public HomePos home_pos { get; set; }
public List<MissionWaypoint> mission_waypoints { get; set; }
public OffAxisTargetPos off_axis_target_pos { get; set; }
public EmergentLastKnownPos emergent_last_known_pos { get; set; }
public List<SearchGridPoint> search_grid_points { get; set; }
}
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