public bool GetService([FromServices] IMySingletonService singletonService,
[FromServices] IMySingletonService singletonService1,
[FromServices] IMyScopedService scopedService,
[FromServices] IMyScopedService scopedService1,
[FromServices] IMyTransientService transientService,
[FromServices] IMyTransientService transientService1
)
{
Console.WriteLine("请求开始GetService();");
Console.WriteLine($"{nameof(IMySingletonService)}.singletonService:{singletonService.GetHashCode()}");
Console.WriteLine($"{nameof(IMySingletonService)}.singletonService1:{singletonService1.GetHashCode()}");
Console.WriteLine($"{nameof(IMyScopedService)}.scopedService:{scopedService.GetHashCode()}");
Console.WriteLine($"{nameof(IMyScopedService)}.scopedService1:{scopedService1.GetHashCode()}");
Console.WriteLine($"{nameof(IMyTransientService)}.transientService:{transientService.GetHashCode()}");
Console.WriteLine($"{nameof(IMyTransientService)}.transientService1:{transientService1.GetHashCode()}");
Console.WriteLine("请求结束");
return(true);
}
public int GetService(
[FromServices] IMySingletonService singletonService1,
[FromServices] IMySingletonService singletonService2
)
{
Console.WriteLine(singletonService1.GetHashCode());
Console.WriteLine(singletonService2.GetHashCode());
return 1;
}
public void GetService2([FromServices] IMySingletonService singletonService,
[FromServices] IMyScopedService scopedService,
[FromServices] IMyTransientService transientService
)
{
Console.WriteLine("请求开始GetService2()");
Console.WriteLine($"{nameof(IMySingletonService)}.singletonService:{singletonService.GetHashCode()}");
Console.WriteLine($"{nameof(IMyScopedService)}.scopedService:{scopedService.GetHashCode()}");
Console.WriteLine($"{nameof(IMyTransientService)}.transientService:{transientService.GetHashCode()}");
//GetTransientService();
Console.WriteLine("请求结束");
}
public bool Get()
{
Console.WriteLine($"【瞬时实例】_myTransientService1:{_myTransientService1.GetHashCode()}");
Console.WriteLine($"【瞬时实例】_myTransientService2:{_myTransientService2.GetHashCode()}");
Console.WriteLine($"【域内单例】_myScopedService1:{_myScopedService1.GetHashCode()}");
Console.WriteLine($"【域内单例】_myScopedService2:{_myScopedService2.GetHashCode()}");
Console.WriteLine($"【全局单例】_mySingletonService1:{_mySingletonService1.GetHashCode()}");
Console.WriteLine($"【全局单例】_mySingletonService2:{_mySingletonService2.GetHashCode()}");
Console.WriteLine($"========请求结束=======");
return(true);
}
public bool Get()
{
Console.WriteLine($"单例1:{_mySingletonService1.GetHashCode()}");
Console.WriteLine($"单例2:{_mySingletonService2.GetHashCode()}");
Console.WriteLine($"瞬时1:{_myTransientService1.GetHashCode()}");
Console.WriteLine($"瞬时2:{_myTransientService2.GetHashCode()}");
Console.WriteLine($"域内单例1:{_myScopedService1.GetType()}:{_myScopedService1.GetHashCode()}");
Console.WriteLine($"域内单例2:{_myScopedService2.GetType()}:{_myScopedService2.GetHashCode()}");
Console.WriteLine($"========请求结束=======");
return(true);
}
public ActionResult GetServices([FromServices] IMySingletonService singletonService1,
[FromServices] IMySingletonService singletonService2,
[FromServices] IMyTransientService transientService1,
[FromServices] IMyTransientService transientService2,
[FromServices] IMyScopedService scopedService1,
[FromServices] IMyScopedService scopedService2)
{
Console.WriteLine($"singleton1: {singletonService1.GetHashCode()}");
Console.WriteLine($"singleton2: {singletonService2.GetHashCode()}");
Console.WriteLine($"transient1: {transientService1.GetHashCode()}");
Console.WriteLine($"transient2: {transientService2.GetHashCode()}");
Console.WriteLine($"scoped1: {scopedService1.GetHashCode()}");
Console.WriteLine($"scoped2: {scopedService2.GetHashCode()}");
return(Content("OK"));
}
public int Get([FromServices] IMySingletonService singleton1,
[FromServices] IMySingletonService singleton2,
[FromServices] IMyTransientService myTransient1,
[FromServices] IMyTransientService myTransient2,
[FromServices] IMyScopedService myScoped1,
[FromServices] IMyScopedService myScoped2)
{
Console.WriteLine($"singleton1: {singleton1.GetHashCode()}");
Console.WriteLine($"singleton2: {singleton2.GetHashCode()}");
Console.WriteLine($"Transient: {myTransient1.GetHashCode()}");
Console.WriteLine($"Transient: {myTransient2.GetHashCode()}");
Console.WriteLine($"Scoped: {myScoped1.GetHashCode()}");
Console.WriteLine($"Scoped: {myScoped2.GetHashCode()}");
Console.WriteLine($"=====请求结束====");
return(1);
}
public int GetServices([FromServices] IMySingletonService singletonService1,
[FromServices] IMySingletonService singletonService2,
[FromServices] IMyTransientService transientService1,
[FromServices] IMyTransientService transientService2,
[FromServices] IMyScopedService scopedService1,
[FromServices] IMyScopedService scopedService2)
{
Console.WriteLine($" singletonService1 的 HashCode={singletonService1.GetHashCode()}");
Console.WriteLine($" singletonService2 的 HashCode={singletonService2.GetHashCode()}");
Console.WriteLine($" transientService1 的 HashCode={transientService1.GetHashCode()}");
Console.WriteLine($" transientService2 的 HashCode={transientService2.GetHashCode()}");
Console.WriteLine($" scopedService1 的 HashCode={scopedService1.GetHashCode()}");
Console.WriteLine($" scopedService2 的 HashCode={scopedService2.GetHashCode()}");
return(1);
}
public int GetServices([FromServices] IMySingletonService mySingleton1,
[FromServices] IMySingletonService mySingleton2,
[FromServices] IMyScopedService myScopedService1,
[FromServices] IMyScopedService myScopedService2,
[FromServices] IMYTransientService mYTransientService1,
[FromServices] IMYTransientService mYTransientService2)
{
Console.WriteLine($"mySingleton1:{mySingleton1.GetHashCode()}");
Console.WriteLine($"mySingleton2:{mySingleton2.GetHashCode()}");
Console.WriteLine($"myScopedService1:{myScopedService1.GetHashCode()}");
Console.WriteLine($"myScopedService2:{myScopedService2.GetHashCode()}");
Console.WriteLine($"mYTransientService1:{mYTransientService1.GetHashCode()}");
Console.WriteLine($"mYTransientService2:{mYTransientService2.GetHashCode()}");
Console.WriteLine("=========请求结束============");
return(1);
}
public bool Get([FromServices] IMyTransientService myTransientService1, [FromServices] IMyTransientService myTransientService2,
[FromServices] IMyScopedService myScopedService1, [FromServices] IMyScopedService myScopedService2,
[FromServices] IMySingletonService mySingletonService1, [FromServices] IMySingletonService mySingletonService2)
{
Console.WriteLine($"【瞬时实例】myTransientService1:{myTransientService1.GetHashCode()}");
Console.WriteLine($"【瞬时实例】myTransientService2:{myTransientService2.GetHashCode()}");
Console.WriteLine($"【域内单例】myScopedService1:{myScopedService1.GetHashCode()}");
Console.WriteLine($"【域内单例】myScopedService2:{myScopedService2.GetHashCode()}");
Console.WriteLine($"【全局单例】mySingletonService1:{mySingletonService1.GetHashCode()}");
Console.WriteLine($"【全局单例】mySingletonService2:{mySingletonService2.GetHashCode()}");
Console.WriteLine($"========请求结束=======");
return(true);
}
public string GetService(
[FromServices] IMySingletonService singleton1,
[FromServices] IMySingletonService singleton2,
[FromServices] IMyTransientService transient1,
[FromServices] IMyTransientService transient2,
[FromServices] IMyScopedService scoped1,
[FromServices] IMyScopedService scoped2)
{
Console.WriteLine($"singleton1:{singleton1.GetHashCode()}");
Console.WriteLine($"singleton2:{singleton2.GetHashCode()}");
Console.WriteLine($"transient1:{transient1.GetHashCode()}");
Console.WriteLine($"transient2:{transient2.GetHashCode()}");
Console.WriteLine($"scoped1:{scoped1.GetHashCode()}");
Console.WriteLine($"scoped2:{scoped2.GetHashCode()}");
Console.WriteLine($"========请求结束========");
return("GetService");
}
public int GetService([FromServices] IMySingletonService singleton1,
[FromServices] IMySingletonService singleton2,
[FromServices] IMyTransientService transient1,
[FromServices] IMyTransientService transient2,
[FromServices] IMyScopedService scope1,
[FromServices] IMyScopedService scope2)
{
Console.WriteLine($"singleton1:{singleton1.GetHashCode()}");
Console.WriteLine($"singleton2:{singleton2.GetHashCode()}");
Console.WriteLine($"transient1:{transient1.GetHashCode()}");
Console.WriteLine($"transient2:{transient2.GetHashCode()}");
Console.WriteLine($"scope1:{scope1.GetHashCode()}");
Console.WriteLine($"scope2:{scope2.GetHashCode()}");
return(1);
}
public int GetService([FromServices] IMySingletonService mySingletonService1,
[FromServices] IMySingletonService mySingletonService2,
[FromServices] IMyTransientService myTransientService1,
[FromServices] IMyTransientService myTransientService2,
[FromServices] IMyScopeService myScopeService1,
[FromServices] IMyScopeService myScopeService2)
{
Console.WriteLine($"mySingleton1:{mySingletonService1.GetHashCode()}");
Console.WriteLine($"mySingleton2:{mySingletonService2.GetHashCode()}");
Console.WriteLine($"myTransient1:{myTransientService1.GetHashCode()}");
Console.WriteLine($"myTransient2:{myTransientService2.GetHashCode()}");
Console.WriteLine($"myScoped1:{myScopeService1.GetHashCode()}");
Console.WriteLine($"myScoped2:{myScopeService2.GetHashCode()}");
return(0);
}
public int GetService([FromServices] IMySingletonService singletonService1,
[FromServices] IMySingletonService singletonService2,
[FromServices] IMyScopeService scopeService1,
[FromServices] IMyScopeService scopeService2,
[FromServices] IMyTransientService transientService1,
[FromServices] IMyTransientService transientService2)
{
Console.WriteLine($"{nameof(singletonService1)}:{singletonService1.GetHashCode()}");
Console.WriteLine($"{nameof(singletonService2)}:{singletonService2.GetHashCode()}");
Console.WriteLine($"{nameof(scopeService1)}:{scopeService1.GetHashCode()}");
Console.WriteLine($"{nameof(scopeService2)}:{scopeService2.GetHashCode()}");
Console.WriteLine($"{nameof(transientService1)}:{transientService1.GetHashCode()}");
Console.WriteLine($"{nameof(transientService2)}:{transientService2.GetHashCode()}");
Console.WriteLine("=========请求结束========");
return(1);
}
public int GetService(
[FromServices] IMySingletonService singletonService1,
[FromServices] IMySingletonService singletonService2,
[FromServices] IMyScopedService scopedService1,
[FromServices] IMyScopedService scopedService2,
[FromServices] IMyTransientService transientService1,
[FromServices] IMyTransientService transientService2)
{
Console.WriteLine($"singleton1:{singletonService1.GetHashCode()}");
Console.WriteLine($"singleton2:{singletonService2.GetHashCode()}");
Console.WriteLine($"scoped1:{scopedService1.GetHashCode()}");
Console.WriteLine($"scoped2:{scopedService2.GetHashCode()}");
Console.WriteLine($"transient1:{transientService1.GetHashCode()}");
Console.WriteLine($"transient2:{transientService2.GetHashCode()}");
Console.WriteLine($"========请求结束========");
//第一次打印：
//singleton1: 3129430
//singleton2: 3129430
//scoped1: 37901460
//scoped2: 37901460
//transient1: 4436986
//transient2: 10553853
//========请求结束========
//第二次打印：
//singleton1: 3129430
//singleton2: 3129430
//scoped1: 39086322
//scoped2: 39086322
//transient1: 36181605
//transient2: 28068188
//========请求结束========
// 结论：
// 1.singleton：在应用程序创建至销毁整个生命周期中都是同一个服务
// 2.scoped：在同一请求中为同一服务，不用请求不同服务
// 3.transient：每获取一次，创建一个新的服务
return(0);
}
public int GetService([FromServices] IMySingletonService singleton1, // 通过控制器参数获取服务
[FromServices] IMySingletonService singleton2,
[FromServices] IMyTransientService transient1,
[FromServices] IMyTransientService transient2,
[FromServices] IMyScopedService scoped1,
[FromServices] IMyScopedService scoped2)
{
Console.WriteLine($"singleton1:{singleton1.GetHashCode()}");
Console.WriteLine($"singleton2:{singleton2.GetHashCode()}");
Console.WriteLine($"transient1:{transient1.GetHashCode()}");
Console.WriteLine($"transient2:{transient2.GetHashCode()}");
Console.WriteLine($"scoped1:{scoped1.GetHashCode()}");
Console.WriteLine($"scoped2:{scoped2.GetHashCode()}");
Console.WriteLine($"scoped3:{scoped3.GetHashCode()}");
Console.WriteLine($"========请求结束=======");
return(1);
}
public String GetService([FromServices] IMySingletonService singleton1,
[FromServices] IMySingletonService singleton2,
[FromServices] IMyScopedService scoped1,
[FromServices] IMyScopedService scoped2,
[FromServices] IMyTransientService transient1,
[FromServices] IMyTransientService transient2)
{
Console.WriteLine($"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($"transient2:{transient2.GetHashCode()}");
Console.WriteLine("请求结束");
return("Get servies from IoC container");
}
public int Index([FromServices] IMySingletonService _iMySingletonService1, // [FromServices]：用于从容器中获取对象
[FromServices] IMySingletonService _iMySingletonService2,
[FromServices] IMyTransientService _iMyTransientService1,
[FromServices] IMyTransientService _iMyTransientService2,
[FromServices] IMyScopedService _iMyScopedService1,
[FromServices] IMyScopedService _iMyScopedService2)
{
Console.WriteLine($"单例模式的 HashCode 是相同的：");
Console.WriteLine($"_iMySingletonService1: {_iMySingletonService1.GetHashCode()}");
Console.WriteLine($"_iMySingletonService2: {_iMySingletonService2.GetHashCode()}");
Console.WriteLine($"");
Console.WriteLine($"瞬时模式的 HashCode 是不同的：");
Console.WriteLine($"_iMyTransientService1: {_iMyTransientService1.GetHashCode()}");
Console.WriteLine($"_iMyTransientService2: {_iMyTransientService2.GetHashCode()}");
Console.WriteLine($"");
Console.WriteLine($"作用域模式的 HashCode 在单次访问时相同的，再次访问是不同的。即每次请求生成新的对象：");
Console.WriteLine($"_iMyScopedService1: {_iMyScopedService1.GetHashCode()}");
Console.WriteLine($"_iMyScopedService2: {_iMyScopedService2.GetHashCode()}");
Console.WriteLine($"");
return(1);
}