/// <summary>
/// 两种注入方式：构造函数注入....FromServices注入....
/// </summary>
/// <param name="logger"></param>
/// <param name="_singletonService"></param>
/// <param name="_scopedService"></param>
/// <param name="_transientService"></param>
/// <param name="_singletonService2"></param>
/// <param name="_scopedService2"></param>
/// <param name="_transientService2"></param>
public WeatherForecastController(ILogger <WeatherForecastController> logger, ISingletonService _singletonService, IScopedService _scopedService, ITransientService _transientService, ISingletonService _singletonService2, IScopedService _scopedService2, ITransientService _transientService2)
{
Console.WriteLine($"singleton:{_singletonService.GetHashCode()}");
Console.WriteLine($"singleton:{_singletonService2.GetHashCode()}");
Console.WriteLine($"scoped:{_scopedService.GetHashCode()}");
Console.WriteLine($"scoped:{_scopedService2.GetHashCode()}");
Console.WriteLine($"transient:{_transientService.GetHashCode()}");
Console.WriteLine($"transient:{_transientService2.GetHashCode()}");
_logger = logger;
}
public void GetService([FromServices] ISingletonService singleton1,
[FromServices] ISingletonService singleton2,
[FromServices] IScopedService scoped1,
[FromServices] IScopedService scoped2,
[FromServices] ITransientService transient1,
[FromServices] ITransientService transient2
)
{
System.Console.WriteLine($"singleton1:{singleton1.GetHashCode()}");
System.Console.WriteLine($"singleton2:{singleton2.GetHashCode()}");
System.Console.WriteLine($"scoped1:{scoped1.GetHashCode()}");
System.Console.WriteLine($"scoped2:{scoped2.GetHashCode()}");
System.Console.WriteLine($"transient1:{transient1.GetHashCode()}");
System.Console.WriteLine($"transient2:{transient2.GetHashCode()}");
}
public IActionResult Index([FromServices] ISingletonService singletonService2)
{
var viewModel = new HomeViewModel
{
Scoped = scopedService.GetHashCode(),
Scoped2 = scopedService2.GetHashCode(),
Singleton = singletonService.GetHashCode(),
Transient = transientService.GetHashCode(),
Transient2 = transientService2.GetHashCode(),
};
//Use the singleton service which is injected via methos injection
var singletonObjectHashCode = singletonService2.GetHashCode();
return(View(viewModel));
}
public int GetService([FromServices] ISingletonService singleton1,
[FromServices] ISingletonService singleton2,
[FromServices] IScopedService scoped1,
[FromServices] IScopedService scoped2,
[FromServices] ITransientService transient1,
[FromServices] ITransientService transient2)
{
Console.WriteLine($"singleton1:{singleton1.GetHashCode()}");
Console.WriteLine($"singleton2:{singleton2.GetHashCode()}");
Console.WriteLine($"scoped1:{scoped1.GetHashCode()}");
Console.WriteLine($"scoped2:{scoped2.GetHashCode()}");
Console.WriteLine($"transient1:{transient1.GetHashCode()}");
Console.WriteLine($"transient2:{transient2.GetHashCode()}");
Console.WriteLine($"===================请求结束=========================");
return(1);
}
public IActionResult MyGetTest2([FromServices] ISingletonService singletonService1,
[FromServices] ISingletonService singletonService2, [FromServices] IScopeService scopeService1,
[FromServices] IScopeService scopeService2, [FromServices] ITransientService transientService1, [FromServices] ITransientService transientService2)
{
Console.WriteLine($"构造函数 中获取的 singletonService1 的 hashCode :{ _singletonService.GetHashCode()}");
Console.WriteLine($"构造函数 中获取的 scopeService1 的 hashCode :{ _scopeService.GetHashCode()}");
Console.WriteLine($"构造函数 中获取的 transientService1 的 hashCode :{ _transientService.GetHashCode()}");
Console.WriteLine($"HttpContext 中获取的 singletonService1 的 hashCode :{ singletonService1.GetHashCode()}");
Console.WriteLine($"HttpContext 中获取的 singletonService2 的 hashCode :{ singletonService2.GetHashCode()}");
Console.WriteLine($"HttpContext 中获取的 scopeService1 的 hashCode :{ scopeService1.GetHashCode()}");
Console.WriteLine($"HttpContext 中获取的 scopeService2 的 hashCode :{ scopeService2.GetHashCode()}");
Console.WriteLine($"HttpContext 中获取的 transientService1 的 hashCode :{ transientService1.GetHashCode()}");
Console.WriteLine($"HttpContext 中获取的 transientService2 的 hashCode :{ transientService2.GetHashCode()}");
//serviceProvider对象
Console.WriteLine($"HttpContext的ServiceProvider 的 hashCode :{ HttpContext.RequestServices.GetHashCode()}");
return(Content("MyGetTest"));
}