我有3個實體。實體傳感器,實體tanaman和實體tanamanhassensor。 我想從api tanamanhassensor使用json jquery製作圖形。如何顯示圖表?如果用我的JSON的API http://xxxxx/api/tanaman_has_sensor沒有找到如何獲得具有一對多關係的Web API
我的實體是這樣的:
public partial class Tanaman_has_Sensor
{
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors")]
public Tanaman_has_Sensor()
{
this.Tanaman_has_Sensor_has_Jadwal = new HashSet<Tanaman_has_Sensor_has_Jadwal>();
}
public int Tanaman_IdTanaman { get; set; }
public int Sensor_IdSensor { get; set; }
public double NilaiSensor { get; set; }
public System.DateTime WaktuSensor { get; set; }
public string Lokasi { get; set; }
public virtual Sensor Sensor { get; set; }
public virtual Tanaman Tanaman { get; set; }
public virtual ICollection<Tanaman_has_Sensor_has_Jadwal> Tanaman_has_Sensor_has_Jadwal { get; set; }
}
這是我的控制器
public class TanamanhasSensorController : ApiController
{
private SmartGreenHouseEntities db = new SmartGreenHouseEntities();
// GET: api/TanamanhasSensor
public IQueryable<Tanaman_has_Sensor> GetTanaman_has_Sensor()
{
return db.Tanaman_has_Sensor;
}
// GET: api/TanamanhasSensor/5
[ResponseType(typeof(Tanaman_has_Sensor))]
public async Task<IHttpActionResult> GetTanaman_has_Sensor(int id)
{
Tanaman_has_Sensor tanaman_has_Sensor = await db.Tanaman_has_Sensor.FindAsync(id);
if (tanaman_has_Sensor == null)
{
return NotFound();
}
return Ok(tanaman_has_Sensor);
}
}
應用JSON
[{
"Tanaman_IdTanaman": 1,
"Sensor_IdSensor": 2,
"NilaiSensor": 3.1,
"WaktuSensor": "2016-11-19T07:38:42.519263+07:00",
"Lokasi": "sample string 5",
"Sensor": {
"$id": "1",
"IDSensor": 1,
"NamaSensor": "sample string 2",
"Tanaman_has_Sensor": [
{
"Tanaman_IdTanaman": 1,
"Sensor_IdSensor": 2,
"NilaiSensor": 3.1,
"WaktuSensor": "2016-11-19T07:38:42.519263+07:00",
"Lokasi": "sample string 5",
"Sensor": {
"$ref": "1"
}]
我的JSON
$.ajax({
type: 'GET',
url: "http://xxxxx/api/tanaman_has_sensor",
dataType: 'json',
async: false,
contentType: "application/json; charset=utf-8",
data: dd,
通過**許多演示了這許多**是什麼意思 – Aravind
@Aravind對不起,我的意思是一對多,我已經改變了標題 – redim
的信息是不夠的實際! !請更具體一些。 – Aravind