c#Newtonsoft.Json.JsonSerializationException Message=无法反序列化当前JSON对象
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我尝试将患者添加到firebase数据库。
这是密码
Patient.cs
public class Patient
{
public string ID { get; set; }
public string PatientName { get; set; }
public string PatientGender { get; set; }
public string PatientAddress { get; set; }
public string PatientWeight { get; set; }
public string PatientHeight { get; set; }
public string PatientMobileNO { get; set; }
public string PatientBirthday { get; set; }
public string PatientGenticesDiseses { get; set; }
// public List Appointments { get; set; }
public ObservableCollection Appointments;
public Patient()
{
}
public Patient(Patient instans)
{
ID = instans.ID;
PatientName = instans.PatientName;
PatientGender = instans.PatientGender;
PatientAddress = instans.PatientAddress;
PatientWeight = instans.PatientWeight;
PatientHeight = instans.PatientHeight;
PatientMobileNO = instans.PatientMobileNO;
PatientGenticesDiseses = instans.PatientGenticesDiseses;
Appointments = instans.Appointments;
}
}
PatientServices.cs
public async Task Addpat( Patient patient)
{
var x = await firebaseClient
.Child($"Specalists/406707265/Patients")
.PostAsync(new Patient(patient));
Patient pat = new Patient(x.Object);
pat.ID = x.Key;
await firebaseClient
.Child($"Specalists/406707265/Patients/{pat.ID}")
.PatchAsync(pat);
}
addPatient.xaml.cs
public partial class AddPatientPage : ContentPage
{
public AddPatientPage()
{
InitializeComponent();
AddPatientClick();
}
public async void addPatient()
{
PatientService patientService = new PatientService();
Patient pat = new Patient();
pat.PatientAddress = PatientAddress.Text;
pat.PatientBirthday = PatientBirthday.Text;
pat.PatientGender = PatientGender.Text;
pat.PatientGenticesDiseses = PatientGenticsDiseses.Text;
pat.PatientHeight = PatientHeight.Text;
pat.PatientMobileNO = PatientMobileNo.Text;
pat.PatientName = PatientName.Text;
pat.PatientWeight = PatientWeight.Text;
Random rd = new Random();
int rand_num = rd.Next(1, 4000);
pat.ID = rand_num.ToString();
try
{
await patientService.Addpat(pat);
await Application.Current.MainPage.DisplayAlert("message", "Patient Added", "ok");
await Navigation.PushAsync(new PatientsListPage());
}
catch (Exception ex)
{
await Application.Current.MainPage.DisplayAlert("error", ex.Message, "ok");
}
}
void AddPatientClick()
{
save.GestureRecognizers.Add(new TapGestureRecognizer()
{
Command = new Command(() =>
{
addPatient();
})
});
}
}
addPatient.xaml
x:Name="PatientAddress">
代码起作用了Patient添加到Firebase，但当它向我发出警报时，应用程序会崩溃并停止？
我知道该怎么做，但我不该怎么做？
这是前任
Newtonsoft.Json.JsonSerializationException
Message=Cannot deserialize the current JSON object (e.g. {"name":"value"}) into type 'System.Collections.Generic.List`1[CCSN.Models.Patient]' because the type requires a JSON array (e.g. [1,2,3]) to deserialize correctly.
To fix this error either change the JSON to a JSON array (e.g. [1,2,3]) or change the deserialized type so that it is a normal .NET type (e.g. not a primitive type like integer, not a collection type like an array or List) that can be deserialized from a JSON object. JsonObjectAttribute can also be added to the type to force it to deserialize from a JSON object.
Path '0', line 1, position 5.
在这条队伍里，让病人
return JsonConvert.DeserializeObject(json);
public static async Task Get(string url)
{
HttpClientHandler clientHandler = new HttpClientHandler();
clientHandler.ServerCertificateCustomValidationCallback = (sender, cert, chain, sslPolicyErrors) => { return true; };
HttpClient client = new HttpClient(clientHandler);
var response = await client.GetAsync(url);
var json = await response.Content.ReadAsStringAsync();
return JsonConvert.DeserializeObject(json);
}
错误是因为没有转换吗？
我如何转换成object或json
JSON（打印精美）
{
"0": {
"Appointments": [
{
"AppointmentDate": "2022-04-12T00:00:00+03:00",
"AppointmentPatientName": "Ghaidaa",
"AppointmentTime": "00:00:00",
"FollowUpAddNote": "test",
"FollowUpDate": "22-2-2022",
"FollowUpGoals": "R alpha",
"FollowUpTools": "None",
"ID": "0",
"PatientID": "0"
},
{
"AppointmentDate": "2022-04-11T18:58:03.623061+03:00",
"AppointmentPatientName": "Ghaidaa",
"FollowUpAddNote": "None",
"FollowUpDate": "22-2-2022",
"FollowUpGoals": "R alpha",
"FollowUpTools": "None",
"ID": "1",
"PatientID": "0"
},
{
"AppointmentDate": "2022-04-11T18:58:03.623061+03:00",
"AppointmentPatientName": "Ghaidaa",
"FollowUpAddNote": "None",
"FollowUpDate": "22-2-2022",
"FollowUpGoals": "R alpha",
"FollowUpTools": "None",
"ID": "2",
"PatientID": "0"
},
{
"AppointmentDate": "2022-04-11T18:58:03.623061+03:00",
"AppointmentPatientName": "Ghaidaa",
"FollowUpAddNote": "None",
"FollowUpDate": "22-2-2022",
"FollowUpGoals": "R alpha",
"FollowUpTools": "None",
"ID": "3",
"PatientID": "0"
},
{
"AppointmentDate": "2022-04-12T00:00:00+03:00",
"AppointmentPatientName": "Ghaidaa",
"AppointmentTime": "00:00:00",
"FollowUpAddNote": "test",
"FollowUpDate": "22-2-2022",
"FollowUpGoals": "R alpha",
"FollowUpTools": "None",
"ID": "4",
"PatientID": "0"
}
],
"ID": "0",
"PatientAddress": "Nablus-Tell",
"PatientBirthday": "8-3-2001",
"PatientGender": "Female",
"PatientGenticsDiseses": "None",
"PatientHeight": 168,
"PatientMobileNo": "0568982001",
"PatientName": "Ghaidaa",
"PatientWeight": 60
},
"1": {
"Appointments": [
{
"AppointmentDate": "2022-04-12T18:58:03.623061+03:00",
"AppointmentPatientName": "Ghaidaa",
"FollowUpAddNote": "None",
"FollowUpDate": "22-2-2022",
"FollowUpGoals": "R alpha",
"FollowUpTools": "None",
"ID": "0",
"PatientID": "1"
},
{
"AppointmentDate": "2022-04-11T18:58:03.623061+03:00",
"AppointmentPatientName": "Ghaidaa",
"FollowUpAddNote": "None",
"FollowUpDate": "22-2-2022",
"FollowUpGoals": "R alpha",
"FollowUpTools": "None",
"ID": "1",
"PatientID": "0"
},
{
"AppointmentDate": "2022-04-11T18:58:03.623061+03:00",
"AppointmentPatientName": "Ghaidaa",
"FollowUpAddNote": "None",
"FollowUpDate": "22-2-2022",
"FollowUpGoals": "R alpha",
"FollowUpTools": "None",
"ID": "2",
"PatientID": "0"
},
{
"AppointmentDate": "2022-04-11T18:58:03.623061+03:00",
"AppointmentPatientName": "Ghaidaa",
"FollowUpAddNote": "None",
"FollowUpDate": "22-2-2022",
"FollowUpGoals": "R alpha",
"FollowUpTools": "None",
"ID": "3",
"PatientID": "0"
},
{
"AppointmentDate": "2022-04-12T18:58:03.623061+03:00",
"AppointmentPatientName": "Ghaidaa",
"FollowUpAddNote": "None",
"FollowUpDate": "22-2-2022",
"FollowUpGoals": "R alpha",
"FollowUpTools": "None",
"ID": "4",
"PatientID": "0"
}
],
"ID": "1",
"PatientAddress": "Nablus-Tell",
"PatientBirthday": "8-3-2001",
"PatientGender": "Female",
"PatientGenticsDiseses": "None",
"PatientHeight": 168,
"PatientMobileNo": "0568982001",
"PatientName": "shada",
"PatientWeight": 60
},
"-N-tZ6hbyPpWOWeoo9o4": {
"ID": "45455184",
"PatientAddress": "g",
"PatientGender": "h",
"PatientGenticesDiseses": "b",
"PatientHeight": "26",
"PatientMobileNO": "hshhs",
"PatientName": "sgagaga",
"PatientWeight": "67"
}
}
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