ValuesController.cs（发送HTTP请求，例如GET，POST，DELETE等）：
public class ValuesController : ApiController
{
Database_Access_Data.db dblayer = new Database_Access_Data.db();
[HttpPost]
[Route("api/Values/SendLocation")]
public IHttpActionResult SendLocation([FromBody]Location cs)
{
try
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
dblayer.SendLocation(cs);
return Ok("Success");
}
catch (Exception e)
{
return Ok("Something went Wrong" + e);
}
}
[HttpGet]
[Route("api/Values/GetLocationHistory")]
public DataSet GetLocationHistory()
{
DataSet ds = dblayer.GetLocationHistory();
return ds;
}
[HttpPost]
[Route("api/Values/SendDistance")]
public IHttpActionResult SendDistance([FromBody]Location cs)
{
try
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
dblayer.SendDistance(cs);
return Ok("Success");
}
catch (Exception e)
{
return Ok("Something went Wrong" + e);
}
}
[HttpGet]
[Route("api/Values/GetUser")]
public DataSet GetUser()
{
DataSet ds = dblayer.GetUser();
return ds;
}
[HttpPost]
[Route("api/Values/FlagingDevice")]
public IHttpActionResult FlagingDevice([FromBody]Timer cs)
{
try
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
dblayer.FlagingDevice(cs);
return Ok("Success");
}
catch (Exception e)
{
return Ok("Something went Wrong" + e);
}
}
[HttpPost]
[Route("api/Values/SendBox")]
public IHttpActionResult SendBox([FromBody]Box cs)
{
try
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
dblayer.SendBox(cs);
return Ok("Success");
}
catch (Exception e)
{
return Ok("Something went Wrong" + e);
}
}
}
db.cs（用于调用存储过程以及发送参数）：
public class db
{
SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["localhost"].ConnectionString);
Location cs = new Location();
public void SendLocation(Location cs)
{
SqlCommand com = new SqlCommand("SendGPS",con);
com.CommandType = CommandType.StoredProcedure;
com.Parameters.AddWithValue("@DeviceImei", cs.DeviceImei);
com.Parameters.AddWithValue("@Latitude",cs.Latitude);
com.Parameters.AddWithValue("@Longitude",cs.Longitude);
com.Parameters.AddWithValue("@Distance", cs.Distance);
com.Parameters.AddWithValue("@LocationSend",cs.LocationSend);
con.Open();
com.Connection = con;
com.ExecuteNonQuery();
con.Close();
}
public DataSet GetLocationHistory()
{
SqlCommand com = new SqlCommand("GetLocationHistory", con);
com.CommandType = CommandType.StoredProcedure;
SqlDataAdapter da = new SqlDataAdapter(com);
DataSet ds = new DataSet();
da.Fill(ds);
return ds;
}
public DataSet GetUser()
{
SqlCommand com = new SqlCommand("GetUser", con);
com.CommandType = CommandType.StoredProcedure;
SqlDataAdapter da = new SqlDataAdapter(com);
DataSet ds = new DataSet();
da.Fill(ds);
return ds;
}
public void SendDistance(Location cs)
{
SqlCommand com = new SqlCommand("SendDistance", con);
com.CommandType = CommandType.StoredProcedure;
com.Parameters.AddWithValue("@DeviceImei", cs.DeviceImei);
com.Parameters.AddWithValue("@Distance", cs.Distance);
com.Parameters.AddWithValue("@LocationSend", cs.LocationSend);
con.Open();
com.Connection = con;
com.ExecuteNonQuery();
con.Close();
}
public void FlagingDevice(Timer cs)
{
SqlCommand com = new SqlCommand("FlagingDevice", con);
com.CommandType = CommandType.StoredProcedure;
com.Parameters.AddWithValue("@Interval", cs.Interval);
con.Open();
com.Connection = con;
com.ExecuteNonQuery();
con.Close();
}
public void SendBox(Box cs)
{
SqlCommand com = new SqlCommand("SendBox", con);
com.CommandType = CommandType.StoredProcedure;
com.Parameters.AddWithValue("@Id", cs.Id);
com.Parameters.AddWithValue("@PollingStationID", cs.PollingStationID);
com.Parameters.AddWithValue("@DeviceImei", cs.DeviceImei);
con.Open();
com.Connection = con;
com.ExecuteNonQuery();
con.Close();
}
}
用于从表中返回数据的存储过程：
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER PROCEDURE [dbo].[FlagingDevice]
@Interval INT
AS
DECLARE @Time DATETIME
IF @Interval = 5
BEGIN
SET @Time = (SELECT MAX(LocationSend) FROM dbo.Location)
SELECT D.imei, L.*, L1.*
FROM Device D
OUTER APPLY
(SELECT *
FROM dbo.Location L1
WHERE L1.DeviceImei = D.Imei
GROUP BY DeviceImei, Latitude, Longitude, Distance, LocationSend
HAVING DATEDIFF(MINUTE, LocationSend, @Time) <= @Interval) AS L
OUTER APPLY
(SELECT TOP 1 L4.ID AS 'Station', L3.Name
FROM [dbo].[ElectionDivision] L3, dbo.PollingStation L4
WHERE L.Latitude IS NOT NULL
AND L.Longitude IS NOT NULL
AND L.Distance IS NOT NULL
AND L.DeviceImei = D.ImeI) AS L1
END
ELSE IF @Interval = 0
BEGIN
SELECT D.imei, L.*, L1.*
FROM Device D
OUTER APPLY
(SELECT TOP 1 *
FROM dbo.Location L1
WHERE L1.DeviceImei = D.Imei
ORDER BY (LocationSend) DESC) AS L
OUTER APPLY
(SELECT TOP 1 L4.ID AS 'Station', L3.Name
FROM [dbo].[ElectionDivision] L3, dbo.PollingStation L4
WHERE L.Latitude IS NOT NULL
AND L.Longitude IS NOT NULL
AND L.Distance IS NOT NULL
AND L.DeviceImei = D.ImeI) AS L1
END
更新：我正在使用sqldatareader，并将数据放入列表中，但不确定如何如valuecontroller类中所示返回FlaggingDevice方法。我应该在类或其他内容中创建列表吗？有什么建议吗？
public List<FlagingDevice> FlagingDevice(FlagingDevice cs)
{
SqlCommand com = new SqlCommand("FlagingDevice", con);
com.CommandType = CommandType.StoredProcedure;
com.Parameters.AddWithValue("@Interval", cs.Interval);
con.Open();
com.Connection = con;
using (SqlDataReader sqlDataReader = com.ExecuteReader())
{
int movieGenreIDIndex = sqlDataReader.GetOrdinal("DeviceImei");
int movieIDIndex = sqlDataReader.GetOrdinal("Latitude");
int genreIDIndex = sqlDataReader.GetOrdinal("Longitude");
int genreIDIndex1 = sqlDataReader.GetOrdinal("Distance");
int genreIDIndex2 = sqlDataReader.GetOrdinal("LocationSend");
int genreIDIndex3 = sqlDataReader.GetOrdinal("Station");
int genreIDIndex4 = sqlDataReader.GetOrdinal("Name");
while (sqlDataReader.Read())
{
student.Add(new FlagingDevice()
{
DeviceImei = sqlDataReader.IsDBNull(movieGenreIDIndex) ? null : sqlDataReader.GetString(movieGenreIDIndex),
Latitude = sqlDataReader.IsDBNull(movieIDIndex) ? null : sqlDataReader.GetString(movieIDIndex),
Longitude = sqlDataReader.IsDBNull(genreIDIndex) ? null : sqlDataReader.GetString(genreIDIndex),
Distance = sqlDataReader.IsDBNull(genreIDIndex1) ? null : sqlDataReader.GetString(genreIDIndex1),
LocationSend = sqlDataReader.IsDBNull(genreIDIndex2) ? null : Convert.ToString(sqlDataReader["LocationSend"]),
Name = sqlDataReader.IsDBNull(genreIDIndex4) ? null : sqlDataReader.GetString(genreIDIndex4)
});
}
sqlDataReader.Close();
con.Close();
return student;
}
}