using Microsoft.AspNetCore.Hosting;
|
using Microsoft.AspNetCore.Http;
|
using Microsoft.Extensions.Configuration;
|
using Microsoft.Extensions.DependencyInjection;
|
using Microsoft.Extensions.Hosting;
|
using Microsoft.Extensions.Options;
|
using System;
|
using System.Collections.Generic;
|
using System.Linq;
|
using System.Reflection;
|
using System.Text;
|
using System.Threading.Tasks;
|
using WIDESEA_Core.Core;
|
using WIDESEA_Core.Helper;
|
using WIDESEA_Core.HttpContextUser;
|
|
namespace WIDESEA_Core
|
{
|
public class App
|
{
|
static App()
|
{
|
EffectiveTypes = Assemblies.SelectMany(GetTypes);
|
}
|
|
private static bool _isRun;
|
|
/// <summary>是否正在运行</summary>
|
public static bool IsBuild { get; set; }
|
|
public static bool IsRun
|
{
|
get => _isRun;
|
set => _isRun = IsBuild = value;
|
}
|
|
/// <summary>应用有效程序集</summary>
|
public static readonly IEnumerable<Assembly> Assemblies = RuntimeExtension.GetAllAssemblies();
|
|
/// <summary>有效程序集类型</summary>
|
public static readonly IEnumerable<Type> EffectiveTypes;
|
|
/// <summary>优先使用App.GetService()手动获取服务</summary>
|
public static IServiceProvider RootServices => IsRun || IsBuild ? InternalApp.RootServices : null;
|
|
/// <summary>获取Web主机环境，如，是否是开发环境，生产环境等</summary>
|
public static IWebHostEnvironment WebHostEnvironment => InternalApp.WebHostEnvironment;
|
|
/// <summary>获取泛型主机环境，如，是否是开发环境，生产环境等</summary>
|
public static IHostEnvironment HostEnvironment => InternalApp.HostEnvironment;
|
|
/// <summary>全局配置选项</summary>
|
public static IConfiguration Configuration => InternalApp.Configuration;
|
|
/// <summary>
|
/// 获取请求上下文
|
/// </summary>
|
public static HttpContext HttpContext => RootServices?.GetService<IHttpContextAccessor>()?.HttpContext;
|
|
public static IUser User => GetService<IUser>();
|
|
#region Service
|
|
/// <summary>解析服务提供器</summary>
|
/// <param name="serviceType"></param>
|
/// <param name="mustBuild"></param>
|
/// <param name="throwException"></param>
|
/// <returns></returns>
|
public static IServiceProvider GetServiceProvider(Type serviceType, bool mustBuild = false, bool throwException = true)
|
{
|
if (App.HostEnvironment == null || App.RootServices != null &&
|
InternalApp.InternalServices
|
.Where((u =>
|
u.ServiceType ==
|
(serviceType.IsGenericType ? serviceType.GetGenericTypeDefinition() : serviceType)))
|
.Any((u => u.Lifetime == ServiceLifetime.Singleton)))
|
return App.RootServices;
|
|
//获取请求生存周期的服务
|
if (HttpContext?.RequestServices != null)
|
return HttpContext.RequestServices;
|
|
if (App.RootServices != null)
|
{
|
IServiceScope scope = RootServices.CreateScope();
|
return scope.ServiceProvider;
|
}
|
|
if (mustBuild)
|
{
|
if (throwException)
|
{
|
throw new ApplicationException("当前不可用，必须要等到 WebApplication Build后");
|
}
|
|
return default;
|
}
|
|
ServiceProvider serviceProvider = InternalApp.InternalServices.BuildServiceProvider();
|
return serviceProvider;
|
}
|
|
public static TService GetService<TService>(bool mustBuild = true) where TService : class
|
{
|
TService test = App.GetService(typeof(TService), null, mustBuild) as TService;
|
return test;
|
}
|
|
/// <summary>获取请求生存周期的服务</summary>
|
/// <typeparam name="TService"></typeparam>
|
/// <param name="serviceProvider"></param>
|
/// <param name="mustBuild"></param>
|
/// <returns></returns>
|
public static TService GetService<TService>(IServiceProvider serviceProvider, bool mustBuild = true)
|
where TService : class => (serviceProvider ?? App.GetServiceProvider(typeof(TService), mustBuild, false))?.GetService<TService>();
|
|
/// <summary>获取请求生存周期的服务</summary>
|
/// <param name="type"></param>
|
/// <param name="serviceProvider"></param>
|
/// <param name="mustBuild"></param>
|
/// <returns></returns>
|
public static object GetService(Type type, IServiceProvider serviceProvider = null, bool mustBuild = true)
|
{
|
IServiceProvider? obj2 = (serviceProvider ?? App.GetServiceProvider(type, mustBuild, false));
|
object obj = obj2?.GetService(type);
|
return obj;
|
}
|
|
|
#endregion
|
|
#region private
|
|
/// <summary>加载程序集中的所有类型</summary>
|
/// <param name="ass"></param>
|
/// <returns></returns>
|
private static IEnumerable<Type> GetTypes(Assembly ass)
|
{
|
Type[] source = Array.Empty<Type>();
|
try
|
{
|
source = ass.GetTypes();
|
}
|
catch
|
{
|
//$@"Error load `{ass.FullName}` assembly.".WriteErrorLine();
|
}
|
|
return source.Where(u => u.IsPublic);
|
}
|
|
#endregion
|
|
#region Options
|
|
/// <summary>获取配置</summary>
|
/// <typeparam name="TOptions">强类型选项类</typeparam>
|
/// <returns>TOptions</returns>
|
public static TOptions GetConfig<TOptions>()
|
where TOptions : class, IConfigurableOptions
|
{
|
TOptions instance = App.Configuration
|
.GetSection(ConfigurableOptions.GetConfigurationPath(typeof(TOptions)))
|
.Get<TOptions>();
|
return instance;
|
}
|
|
/// <summary>获取选项</summary>
|
/// <typeparam name="TOptions">强类型选项类</typeparam>
|
/// <param name="serviceProvider"></param>
|
/// <returns>TOptions</returns>
|
public static TOptions GetOptions<TOptions>(IServiceProvider serviceProvider = null) where TOptions : class, new()
|
{
|
IOptions<TOptions> service = App.GetService<IOptions<TOptions>>(serviceProvider ?? App.RootServices, false);
|
return service?.Value;
|
}
|
|
/// <summary>获取选项</summary>
|
/// <typeparam name="TOptions">强类型选项类</typeparam>
|
/// <param name="serviceProvider"></param>
|
/// <returns>TOptions</returns>
|
public static TOptions GetOptionsMonitor<TOptions>(IServiceProvider serviceProvider = null)
|
where TOptions : class, new()
|
{
|
IOptionsMonitor<TOptions> service =
|
App.GetService<IOptionsMonitor<TOptions>>(serviceProvider ?? App.RootServices, false);
|
return service?.CurrentValue;
|
}
|
|
/// <summary>获取选项</summary>
|
/// <typeparam name="TOptions">强类型选项类</typeparam>
|
/// <param name="serviceProvider"></param>
|
/// <returns>TOptions</returns>
|
public static TOptions GetOptionsSnapshot<TOptions>(IServiceProvider serviceProvider = null)
|
where TOptions : class, new()
|
{
|
IOptionsSnapshot<TOptions> service = App.GetService<IOptionsSnapshot<TOptions>>(serviceProvider, false);
|
return service?.Value;
|
}
|
|
#endregion
|
}
|
}
|
