C# 对Windows服务进行SQL调用
我制作的应用程序如下:我有一个在本地服务器上运行的Web服务,该Web服务返回json如下:C# 对Windows服务进行SQL调用,c#,sql,windows-services,C#,Sql,Windows Services,我制作的应用程序如下:我有一个在本地服务器上运行的Web服务,该Web服务返回json如下: [{"Id":1,"Titulo":"Live to win","Link":"https://www.youtube.com/embed/DPHlGVe8wxI","BandaId":1,"BandaNome":"Paul Stanley","GeneroId":1,"GeneroNome":"Rock","DtCriacao":"2017-03-23T16:42:54","CriadorId":1,
[{"Id":1,"Titulo":"Live to win","Link":"https://www.youtube.com/embed/DPHlGVe8wxI","BandaId":1,"BandaNome":"Paul Stanley","GeneroId":1,"GeneroNome":"Rock","DtCriacao":"2017-03-23T16:42:54","CriadorId":1,"CriadorNome":"Márcio Eric","Ativo":false},{"Id":2,"Titulo":"Welcome to the jungle","Link":null,"BandaId":2,"BandaNome":"Guns n´ roses","GeneroId":1,"GeneroNome":"Rock","DtCriacao":"2017-03-23T16:42:54","CriadorId":2,"CriadorNome":"Usuário Teste","Ativo":true},{"Id":3,"Titulo":"Something just like this","Link":null,"BandaId":3,"BandaNome":"The Chainsmokers","GeneroId":3,"GeneroNome":"Indie","DtCriacao":"2017-03-23T16:42:54","CriadorId":1,"CriadorNome":"Márcio Eric","Ativo":true},{"Id":4,"Titulo":"Beliver","Link":null,"BandaId":4,"BandaNome":"Imagine Dragons","GeneroId":3,"GeneroNome":"Indie","DtCriacao":"2017-03-23T16:42:54","CriadorId":1,"CriadorNome":"Márcio Eric","Ativo":true},{"Id":5,"Titulo":"Radioactive","Link":null,"BandaId":4,"BandaNome":"Imagine Dragons","GeneroId":3,"GeneroNome":"Indie","DtCriacao":"2017-03-23T16:42:54","CriadorId":1,"CriadorNome":"Márcio Eric","Ativo":true},{"Id":6,"Titulo":"Friends - Original Mix","Link":null,"BandaId":5,"BandaNome":"Steener","GeneroId":2,"GeneroNome":"EDM","DtCriacao":"2017-03-23T16:42:54","CriadorId":2,"CriadorNome":"Usuário Teste","Ativo":true},{"Id":7,"Titulo":"Amanheceu","Link":null,"BandaId":6,"BandaNome":"Scalene","GeneroId":3,"GeneroNome":"Indie","DtCriacao":"2017-03-23T16:42:54","CriadorId":2,"CriadorNome":"Usuário Teste","Ativo":true},{"Id":8,"Titulo":"Sonhador II","Link":null,"BandaId":6,"BandaNome":"Scalene","GeneroId":3,"GeneroNome":"Indie","DtCriacao":"2017-03-23T16:42:54","CriadorId":2,"CriadorNome":"Usuário Teste","Ativo":true},{"Id":9,"Titulo":"Amianto","Link":null,"BandaId":7,"BandaNome":"Supercombo","GeneroId":3,"GeneroNome":"Indie","DtCriacao":"2017-03-23T16:42:54","CriadorId":1,"CriadorNome":"Márcio Eric","Ativo":true},{"Id":10,"Titulo":"Monstros","Link":null,"BandaId":7,"BandaNome":"Supercombo","GeneroId":3,"GeneroNome":"Indie","DtCriacao":"2017-03-23T16:42:54","CriadorId":1,"CriadorNome":"Márcio Eric","Ativo":true},{"Id":11,"Titulo":"Piloto Automático","Link":null,"BandaId":7,"BandaNome":"Supercombo","GeneroId":3,"GeneroNome":"Indie","DtCriacao":"2017-03-23T16:42:54","CriadorId":2,"CriadorNome":"Usuário Teste","Ativo":true},{"Id":12,"Titulo":"Eutanásia","Link":null,"BandaId":7,"BandaNome":"Supercombo","GeneroId":3,"GeneroNome":"Indie","DtCriacao":"2017-03-23T16:42:54","CriadorId":1,"CriadorNome":"Márcio Eric","Ativo":true},{"Id":13,"Titulo":"Shots - Broiler Remix","Link":null,"BandaId":4,"BandaNome":"Imagine Dragons","GeneroId":3,"GeneroNome":"Indie","DtCriacao":"2017-03-24T16:55:46","CriadorId":1,"CriadorNome":"Márcio Eric","Ativo":true}]
但现在我需要创建一个与此Web服务通信的Windows服务,以及它在数据库中接收到的内容,我花了一整天的时间以多种方式使用此Web服务,但我没有发现任何有关Web服务或其他方面的良好做法。我将向您展示我所做的,但我想了解一些有关Windows服务的提示,谢谢
这是我的密码
服务:
private Timer _worker;
private readonly int _interval = Convert.ToInt32(ConfigurationManager.AppSettings["timer"]);
private readonly string _connection = ConfigurationManager.AppSettings["connection"];
//private readonly Connector _usuarioConnector;
private readonly Connector _bandaConnector;
//private readonly Connector _generoConnector;
private readonly Connector _musicaConnector;
private SqlConnection conn;
public Service1()
{
//_usuarioConnector = new Connector("UsuarioBase");
_bandaConnector = new Connector("BandaBase");
//_generoConnector = new Connector("GeneroBase");
_musicaConnector = new Connector("MusicaBase");
InitializeComponent();
}
protected override void OnStart(string[] args)
{
_worker = new Timer((Update), null, 0, _interval);
}
protected override void OnStop()
{
}
private void Update(Object state)
{
using (SqlConnection connection = new SqlConnection(
_connection))
{
SqlCommand command = new SqlCommand("insert into Genero(nome, descricao, dtcriacao, criadorid, ativo) values('teste', 'teste', getdate(), 1, 1)", connection);
command.Connection.Open();
command.ExecuteNonQuery();
EventLog.WriteEntry("Query executada", EventLogEntryType.Warning);
}
}
加载器
public class Loader
{
public static List<Usuario> LoadUsuarios(Connector usuarioConnector)
{
return (List<Usuario>)Newtonsoft.Json.JsonConvert.DeserializeObject(usuarioConnector.GetData(), typeof(List<Usuario>));
}
public static List<Banda> LoadBandas(Connector bandaConnector)
{
var bandasDtos = (List<BandaDto>)Newtonsoft.Json.JsonConvert.DeserializeObject(bandaConnector.GetData(), typeof(List<BandaDto>));
return bandasDtos.Select(dto => dto.ConvertToBanda()).ToList();
}
//public static List<Genero> LoadGeneros(Connector generoConnector)
//{
//var musicasDtos = (List<MusicaDto>)Newtonsoft.Json.JsonConvert.DeserializeObject(musicaConnector.GetData(), typeof(List<MusicaDto>));
//return musicasDtos.Select(dto => dto.ConvertToMusica()).ToList();
//}
public static List<Musica> LoadMusicas(Connector musicaConnector)
{
var musicasDtos = (List<MusicaDto>)Newtonsoft.Json.JsonConvert.DeserializeObject(musicaConnector.GetData(), typeof(List<MusicaDto>));
return musicasDtos.Select(dto => dto.ConvertToMusica()).ToList();
}
}
private string Host { get; }
private WebRequest _request;
public WebResponse Response;
public string ConnectionStatus;
private Stream _dataStream;
private StreamReader _reader;
public Connector(string config)
{
Host = ConfigurationManager.AppSettings[config];
}
public string GetData()
{
StartConnection();
_dataStream = Response.GetResponseStream();
_reader = new StreamReader(_dataStream);
var toReturn = _reader.ReadToEnd();
EndConnection();
return toReturn;
}
private void StartConnection()
{
_request = WebRequest.Create(Host);
_request.Credentials = CredentialCache.DefaultCredentials;
Response = _request.GetResponse();
ConnectionStatus = (((HttpWebResponse)Response).StatusDescription);
}
private void EndConnection()
{
_reader.Close();
Response.Close();
}
Edit1在当前代码中,它正在执行select,但是在我打算执行的操作中将执行inserts中,我发现,不幸的是计时器不工作,所以我将其更改为线程。在更新方法中,您正在执行select语句,而不是更新。我知道我正在执行select,当时我正在测试,但好吧,我还是更新了。好吧,那你的问题是什么?很简单,不起作用,我已经编译了好几次,安装和卸载了我的机器,尝试用事件日志进行调试,但是当我打开连接池时,它甚至不执行writeEntry。没有理由在OnStart中创建SqlConnection。只需在更新中创建、打开和关闭。我也会对你的代码进行一些不同的格式化。查看以下MSDN中的CreateCommand示例