添加项目文件。

HT.Cloud.Code/Globals/GlobalContext.cs

@@ -0,0 +1,142 @@
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.StaticFiles;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using System;
+using System.Diagnostics;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using HT.Cloud.Code.Model;
+
+namespace HT.Cloud.Code
+{
+	public class GlobalContext
+	{
+		/// <summary>
+		/// 服务集合
+		/// </summary>
+		public static IServiceCollection Services { get; set; }
+
+		/// <summary>
+		/// 根服务
+		/// </summary>
+		public static IServiceProvider RootServices { get; set; }
+
+		public static IConfiguration Configuration { get; set; }
+
+		public static IWebHostEnvironment HostingEnvironment { get; set; }
+		public static HttpContext HttpContext => RootServices?.GetService<IHttpContextAccessor>()?.HttpContext;
+
+		public static SystemConfig SystemConfig { get; set; }
+
+		/// <summary>
+		/// 获取请求生存周期的服务(未注册返回null)
+		/// </summary>
+		/// <typeparam name="TService"></typeparam>
+		/// <param name="serviceProvider"></param>
+		/// <returns></returns>
+		public static TService GetService<TService>(IServiceProvider serviceProvider = null) where TService : class
+		{
+			return GetService(typeof(TService), serviceProvider) as TService;
+		}
+
+		/// <summary>
+		/// 获取请求生存周期的服务(未注册返回null)
+		/// </summary>
+		/// <param name="type"></param>
+		/// <param name="serviceProvider"></param>
+		/// <returns></returns>
+		public static object GetService(Type type, IServiceProvider serviceProvider = null)
+		{
+			return (serviceProvider ?? GetServiceProvider(type)).GetService(type);
+		}
+
+		/// <summary>
+		/// 获取请求生存周期的服务(未注册异常)
+		/// </summary>
+		/// <typeparam name="TService"></typeparam>
+		/// <param name="serviceProvider"></param>
+		/// <returns></returns>
+		public static TService GetRequiredService<TService>(IServiceProvider serviceProvider = null) where TService : class
+		{
+			return GetRequiredService(typeof(TService), serviceProvider) as TService;
+		}
+
+		/// <summary>
+		/// 获取请求生存周期的服务(未注册异常)
+		/// </summary>
+		/// <typeparam name="type"></typeparam>
+		/// <param name="serviceProvider"></param>
+		/// <returns></returns>
+		public static object GetRequiredService(Type type, IServiceProvider serviceProvider = null)
+		{
+			return (serviceProvider ?? GetServiceProvider(type)).GetRequiredService(type);
+		}
+
+		/// <summary>
+		/// 获取服务注册器
+		/// </summary>
+		/// <param name="serviceType"></param>
+		/// <returns></returns>
+		public static IServiceProvider GetServiceProvider(Type serviceType)
+		{
+			if (HostingEnvironment == null)
+			{
+				return RootServices;
+			}
+			if (RootServices != null && Services.Where((ServiceDescriptor u) => u.ServiceType == (serviceType.IsGenericType ? serviceType.GetGenericTypeDefinition() : serviceType)).Any((ServiceDescriptor u) => u.Lifetime == ServiceLifetime.Singleton))
+			{
+				return RootServices;
+			}
+			if (HttpContext?.RequestServices != null)
+			{
+				return HttpContext.RequestServices;
+			}
+			return RootServices;
+		}
+		/// <summary>
+		/// 获取版本号
+		/// </summary>
+		/// <returns></returns>
+		public static string GetVersion()
+		{
+			Version version = Assembly.GetEntryAssembly().GetName().Version;
+			return version.ToString();
+		}
+        /// <summary>
+        /// 获取请求跟踪 Id
+        /// </summary>
+        /// <returns></returns>
+        public static string GetTraceId()
+        {
+            return Activity.Current?.Id ?? (RootServices == null ? default : HttpContext?.TraceIdentifier);
+        }
+        /// <summary>
+        /// 程序启动时，记录目录
+        /// </summary>
+        /// <param name="env"></param>
+        public static void LogWhenStart(IWebHostEnvironment env)
+		{
+			StringBuilder sb = new StringBuilder();
+			sb.AppendLine("程序启动");
+			sb.AppendLine("ContentRootPath:" + env.ContentRootPath);
+			sb.AppendLine("WebRootPath:" + env.WebRootPath);
+			sb.AppendLine("IsDevelopment:" + env.IsDevelopment());
+			LogHelper.WriteWithTime(sb.ToString());
+		}
+
+		/// <summary>
+		/// 设置cache control
+		/// </summary>
+		/// <param name="context"></param>
+		public static void SetCacheControl(StaticFileResponseContext context)
+		{
+			int second = 365 * 24 * 60 * 60;
+			context.Context.Response.Headers.Add("Cache-Control", new[] { "public,max-age=" + second });
+			context.Context.Response.Headers.Add("Expires", new[] { DateTime.UtcNow.AddYears(1).ToString("R") }); // Format RFC1123
+		}
+	}
+}