src/Framework/Host/Host.Web/ApplicationBuilderExtensions.cs

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using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.HttpOverrides;
using Microsoft.AspNetCore.Rewrite;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.FileProviders;
using Microsoft.Extensions.Hosting;
using NetModular.Lib.Host.Web.Middleware;
using NetModular.Lib.Module.AspNetCore;
using NetModular.Lib.Swagger.Core;
using NetModular.Lib.Utils.Core.Interfaces;
using System.IO;
using System.Linq;
using HostOptions = NetModular.Lib.Host.Web.Options.HostOptions;

namespace NetModular.Lib.Host.Web
{
    public static class ApplicationBuilderExtensions
    {
        /// <summary>
        /// 启用WebHost
        /// </summary>
        /// <param name="app"></param>
        /// <param name="hostOptions"></param>
        /// <param name="env"></param>
        /// <returns></returns>
        public static IApplicationBuilder UseWebHost(this IApplicationBuilder app, HostOptions hostOptions, IHostEnvironment env)
        {
            //异常处理
            app.UseExceptionHandle();

            //设置默认文档
            var defaultFilesOptions = new DefaultFilesOptions();
            defaultFilesOptions.DefaultFileNames.Clear();
            defaultFilesOptions.DefaultFileNames.Add("index.html");
            app.UseDefaultFiles(defaultFilesOptions);

            //基地址
            var pathBase = hostOptions.PathBase;
            if (pathBase.NotNull())
            {
                pathBase = pathBase.Trim();
                if (!pathBase.StartsWith('/'))
                {
                    pathBase = $"/{pathBase}";
                }

                //1、配置请求基地址：
                app.Use((context, next) =>
                {
                    context.Request.PathBase = pathBase;
                    return next();
                });

                // 2、配置静态文件基地址：
                app.UsePathBase(pathBase);
            }

            app.UseDefaultPage();