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wanyongkang
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using System;
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using System.Threading;
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using System.Threading.Tasks;
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using Hncore.Infrastructure.Common;
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using Hncore.Infrastructure.Common.DingTalk;
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using Hncore.Infrastructure.Extension;
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using Microsoft.AspNetCore.Builder;
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using Microsoft.AspNetCore.Hosting;
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using Microsoft.Extensions.Logging;
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using NLog.Extensions.Logging;
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namespace Hncore.Infrastructure.WebApi
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{
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/// <summary>
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/// 应用程序构建器扩展类
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/// </summary>
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///
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public static class ApplicationBuilderExtend
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{
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/// <summary>
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/// 初始化应用程序构建器
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/// </summary>
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/// <param name="app">当前应用程序构建器对象</param>
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/// <param name="loggerFactory">日志工厂对象</param>
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/// <returns>初始化后的应用程序构建器对象</returns>
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/// <param name="applicationLifetime">应用程序生命周期对象</param>
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///
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public static IApplicationBuilder Init(this IApplicationBuilder app, ILoggerFactory loggerFactory,
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IApplicationLifetime applicationLifetime)
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{
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loggerFactory.AddNLog(); //启用Nlog日志插件
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app.UseErrorHandling(); //添加统一错误异常处理中间件(一个自定义类)
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//启用Cors(跨域请求)支持(默认关闭状态)
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app.UseCors(builder => builder
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.SetIsOriginAllowed(host => true) //允许所有来源
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.AllowAnyMethod() //允许任何请求方法(GET、POST、PUT、DELETE等)
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.AllowAnyHeader() //允许任何请求头信息
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.AllowCredentials() //允许跨域凭据
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// .SetPreflightMaxAge(TimeSpan.FromDays(30)) //指定可以缓存预检请求的响应的时间为30天
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.WithExposedHeaders("X-Suggested-Filename", "set-user-token", "set-user")
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);
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app.UseMvc(); //启用MVC
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//向应用程序生命周期的“应用程序已完全启动”事件注册回调函数
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applicationLifetime.ApplicationStarted.Register(OnAppStarted);
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return app;
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}
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/// <summary>
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/// 应用程序完全启动完成处理回调函数
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/// </summary>
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///
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private static void OnAppStarted()
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{
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//if (EnvironmentVariableHelper.IsAspNetCoreProduction)
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//{
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// DingTalkHelper.SendMessage(new MarkDownModel()
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// {
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// markdown = new markdown()
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// {
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// title = "应用已启动",
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// text = "### 应用已启动\n\nhostname：" + EnvironmentVariableHelper.HostName + "\n\n" +
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// DateTime.Now.Format("yyyy-MM-dd HH:mm:ss")
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// }
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// });
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//}
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}
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}
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}
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@@ -0,0 +1,42 @@
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using System;
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using System.Runtime;
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using Hncore.Infrastructure.Serializer;
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using Microsoft.AspNetCore.Hosting;
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using Microsoft.Extensions.Configuration;
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namespace Hncore.Infrastructure.WebApi
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{
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public static class HostingEnvironmentExtend
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{
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public static IConfigurationRoot UseAppsettings(this IHostingEnvironment env)
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{
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Console.WriteLine("环境：" + Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT"));
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#if DEBUG
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Console.WriteLine("模式：DEBUG");
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#endif
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#if RELEASE
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Console.WriteLine("模式：RELEASE");
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#endif
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Console.WriteLine("GC模式:" + new
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{
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IsServerGC = GCSettings.IsServerGC,
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LargeObjectHeapCompactionMode = GCSettings.LargeObjectHeapCompactionMode.ToString(),
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LatencyMode = GCSettings.LatencyMode.ToString()
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}.ToJson(true));
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System.Text.Encoding.RegisterProvider(System.Text.CodePagesEncodingProvider.Instance);
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var builder = new ConfigurationBuilder()
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.SetBasePath(env.ContentRootPath)
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.AddJsonFile("appsettings.json", optional: true, reloadOnChange: false)
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.AddJsonFile($"appsettings.{env.EnvironmentName}.json", optional: true, reloadOnChange: false)
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.AddEnvironmentVariables();
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var config = builder.Build();
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return config;
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}
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}
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}
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@@ -0,0 +1,113 @@
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using System;
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using Hncore.Infrastructure.Autofac;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.DependencyInjection;
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using Newtonsoft.Json;
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namespace Hncore.Infrastructure.WebApi
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{
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/// <summary>
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/// 服务集合对象(可以理解为内置的依赖注入容器)功能扩展类
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/// </summary>
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///
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public static class ServiceCollectionExtend
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{
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/// <summary>
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/// 通用初始化方法(被各个微服务项目所引用)
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/// </summary>
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/// <param name="services">服务集合对象</param>
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/// <param name="configuration">配置信息对象</param>
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/// <param name="version">.net core兼容版本</param>
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/// <param name="serviceOption">服务自定义选项对象</param>
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/// <returns>服务提供者对象</returns>
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///
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public static IServiceProvider Init(this IServiceCollection services, IConfiguration configuration,
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CompatibilityVersion version, ServiceOption serviceOption = null)
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{
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//启用选项配置服务
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services.AddOptions();
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//将配置信息对象以单例模式添加到服务集合中
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services.AddSingleton(configuration);
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// services.AddCors();
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var mvcbuilder = services
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.AddMvc(options =>
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{
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options.EnableEndpointRouting = false; //关闭终端点路由
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if (serviceOption != null && serviceOption.UseGlobalManageAuthFilter)
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{
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//如果配置并传递了自定义选项中的全局授权过滤器，就将全局授权过滤器添加到MVC全局过滤器链中让其生效
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options.Filters.Add(new ManageAuthAttribute());
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GlobalData.UseGlobalManageAuthFilter = true;
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}
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else
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{
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GlobalData.UseGlobalManageAuthFilter = false;
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}
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})
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.SetCompatibilityVersion(version) //设置.net core兼容版本号
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.AddJsonOptions(options =>
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{
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//使用NewtonsoftJson插件，替换掉系统默认提供的JSON插件
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options.SerializerSettings.ContractResolver =
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new Newtonsoft.Json.Serialization.DefaultContractResolver();
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//定义日期格式化策略
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options.SerializerSettings.DateFormatHandling = DateFormatHandling.MicrosoftDateFormat;
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options.SerializerSettings.DateTimeZoneHandling = DateTimeZoneHandling.Local;
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//定义循环引用处理策略(就是要序列化的对象类A中引用了B，B引用了C……转了一圈儿之后又直接或间接引用回了A，就称为循环引用)
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options.SerializerSettings.ReferenceLoopHandling = ReferenceLoopHandling.Ignore;
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//序列化或反序列化时，可接受的日期时间字符串格式
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options.SerializerSettings.DateFormatString = "yyyy-MM-dd HH:mm:ss";
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if (serviceOption != null && serviceOption.IgnoreJsonNullValue)
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{
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//如果配置并传递了自定义选项中的忽略空值选项，就在操作JSON时忽略掉空值数据
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//忽略掉空值的意思就是如果对象中的某个属性值为null，它将不会出现在最终序列化后的JSON字符串中
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options.SerializerSettings.NullValueHandling = NullValueHandling.Ignore;
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}
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});
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services.AddApiVersioning(option =>
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{
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//设置API版本信息
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option.ReportApiVersions = true; //在向客户端响应的响应头中显示受支持的API版本信息
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option.AssumeDefaultVersionWhenUnspecified = true; //如果客户端未提供并指定要调用的API版本，就以下方的默认版本为准
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option.DefaultApiVersion = new ApiVersion(1, 0); //默认版本号
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});
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//启用HTTP请求上下文访问器(用来访问类似传统MVC中的那个HttpContext对象)
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services.AddHttpContextAccessor();
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//构建并返回服务提供对象(在Build方法中主要用Autofac插件替换掉了默认的依赖注入插件，并做一些自动扫描配置)
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return new MvcAutoRegister().Build(services, mvcbuilder);
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}
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}
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/// <summary>
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/// 服务自定义配置类(承载一些自定义配置)
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/// </summary>
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///
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public class ServiceOption
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{
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/// <summary>
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/// 是否启用全局授权过滤器(默认关闭)
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/// </summary>
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public bool UseGlobalManageAuthFilter { get; set; } = false;
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/// <summary>
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/// 是否在生成的JSON字符串中忽略掉为null的属性或字段(默认为false，意思就是就算字段为null也会出现在最终序列化后的JSON字符串中)
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/// </summary>
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public bool IgnoreJsonNullValue { get; set; } = false;
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}
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}
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