ASP.Net5 Startup.cs ConfigurationBuilder

本文介绍了ASP.Net5 Startup.cs ConfigurationBuilder的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

使用VS 2015年MVC的测试版8，我收到以下错误

严重code描述项目文件行错误CS1503参数1：不能从'字符串'到'Microsoft.Framework.Configuration.IConfigurationProviderNewInventory.DNX核心5.0˚F转换：\\项目\\ NewInventory的\\ src \\ NewInventory \\ Startup.cs 35

从我startup.cs的这一部分：

公共启动（IHostingEnvironment ENV，IApplicationEnvironment appEnv）        {            //设置配置资源。            VAR建设者=新ConfigurationBuilder（appEnv.ApplicationBasePath）                .AddJsonFile（config.json）                .AddJsonFile（$配置{} env.EnvironmentName以.json，可选的：真正的）;            如果（env.IsDevelopment（））            {                //这个读取来自秘专卖店的配置项。                //有关使用用户秘专卖店看到go.microsoft/fwlink/?LinkID=532709更多详情                builder.AddUserSecrets（）;            }            builder.AddEnvironmentVariables（）;            配置= builder.Build（）;        }

当我将鼠标悬停在ConfigurationBuilder我可以看到它找'ConfigurationBuilder.ConfigurationBuilder（PARAMS IConfigurationProvider []提供商）

我要如何改变appEnv.ApplicationBasePath到IConfigurationProvider阵列？

我project.json是：

{  根目录：wwwroot的  userSecretsId：aspnet5-NewInventory-f5a8bab7-e95b-485B-97e9-9a072438b107，  版本：1.0.0- *，  依赖：{    EntityFramework.SqlServer：7.0.0-beta5的，    EntityFramework.Commands：7.0.0-beta5的，    Microsoft.AspNet.Mvc：6.0.0-beta8，    Microsoft.AspNet.Mvc.TagHelpers：6.0.0-beta5的，    Microsoft.AspNet.Authentication.Cookies：1.0.0-beta5的    Microsoft.AspNet.Authentication.Facebook：1.0.0-beta5的    Microsoft.AspNet.Authentication.Google：1.0.0-beta5的    Microsoft.AspNet.Authentication.MicrosoftAccount：1.0.0-beta5的    Microsoft.AspNet.Authentication.Twitter：1.0.0-beta5的    Microsoft.AspNet.Diagnostics：1.0.0-beta5的    Microsoft.AspNet.Diagnostics.Entity：7.0.0-beta5的，    Microsoft.AspNet.Identity.EntityFramework：3.0.0-beta8，    Microsoft.AspNet.Server.IIS：1.0.0-beta5的    Microsoft.AspNet.Server.WebListener：1.0.0-beta5的    Microsoft.AspNet.StaticFiles：1.0.0-beta5的    Microsoft.AspNet.Tooling.Razor：1.0.0-beta5的    Microsoft.Framework.Configuration：1.0.0-beta8    Microsoft.Framework.Configuration.Abstractions：1.0.0-beta8    Microsoft.Framework.Configuration.Binder：1.0.0-beta8    Microsoft.Framework.Configuration.Json：1.0.0-beta5的    Microsoft.Framework.Configuration.UserSecrets：1.0.0-beta5的    Microsoft.Framework.Logging：1.0.0-beta5的    Microsoft.Framework.Logging.Console：1.0.0-beta5的    Microsoft.VisualStudio.Web.BrowserLink.Loader：14.0.0-beta5的  }，  命令：{    网络：Microsoft.AspNet.Hosting --config hosting.ini    EF：EntityFramework.Commands  }，  构架： {    dnx451：{}，    dnxcore50：{}  }，  排除：[    wwwroot的    node_modules    bower_components  ]  publishExclude：[    node_modules    bower_components    **。xproj    **。用户，    **。vspscc  ]  脚本：{    prepublish：故宫安装，亭子安装，大口喝干净，吞掉分钟]  }，  配置：{  }}

解决方案

有 ConfigurationBuilder 有 appEnv.ApplicationBasePath 作为参数，而是有 SetBasePath 方法。

因此​​，改变你的code为：

VAR建设者=新ConfigurationBuilder（）                .SetBasePath（appEnv.ApplicationBasePath）                .AddJsonFile（config.json）                .AddJsonFile（$配置{} env.EnvironmentName以.json，可选的：真正的）;

Using VS 2015 with beta 8 of MVC, I receive the following error

"Severity Code Description Project File Line Error CS1503 Argument 1: cannot convert from 'string' to 'Microsoft.Framework.Configuration.IConfigurationProvider' NewInventory.DNX Core 5.0 F:\Projects\NewInventory\src\NewInventory\Startup.cs 35

from this portion of my startup.cs:

public Startup(IHostingEnvironment env, IApplicationEnvironment appEnv) { // Setup configuration sources. var builder = new ConfigurationBuilder(appEnv.ApplicationBasePath) .AddJsonFile("config.json") .AddJsonFile($"config.{env.EnvironmentName}.json", optional: true); if (env.IsDevelopment()) { // This reads the configuration keys from the secret store. // For more details on using the user secret store see go.microsoft/fwlink/?LinkID=532709 builder.AddUserSecrets(); } builder.AddEnvironmentVariables(); Configuration = builder.Build(); }

When I hover over ConfigurationBuilder I can see its looking for'ConfigurationBuilder.ConfigurationBuilder(params IConfigurationProvider[] providers)'

How do I change the appEnv.ApplicationBasePath to an IConfigurationProvider array?

my project.json is:

{ "webroot": "wwwroot", "userSecretsId": "aspnet5-NewInventory-f5a8bab7-e95b-485b-97e9-9a072438b107", "version": "1.0.0-*", "dependencies": { "EntityFramework.SqlServer":"7.0.0-beta5", "EntityFramework.Commands": "7.0.0-beta5", "Microsoft.AspNet.Mvc": "6.0.0-beta8", "Microsoft.AspNet.Mvc.TagHelpers": "6.0.0-beta5", "Microsoft.AspNet.Authentication.Cookies": "1.0.0-beta5", "Microsoft.AspNet.Authentication.Facebook": "1.0.0-beta5", "Microsoft.AspNet.Authentication.Google": "1.0.0-beta5", "Microsoft.AspNet.Authentication.MicrosoftAccount": "1.0.0-beta5", "Microsoft.AspNet.Authentication.Twitter": "1.0.0-beta5", "Microsoft.AspNet.Diagnostics": "1.0.0-beta5", "Microsoft.AspNet.Diagnostics.Entity": "7.0.0-beta5", "Microsoft.AspNet.Identity.EntityFramework":"3.0.0-beta8", "Microsoft.AspNet.Server.IIS": "1.0.0-beta5", "Microsoft.AspNet.Server.WebListener": "1.0.0-beta5", "Microsoft.AspNet.StaticFiles": "1.0.0-beta5", "Microsoft.AspNet.Tooling.Razor": "1.0.0-beta5", "Microsoft.Framework.Configuration": "1.0.0-beta8", "Microsoft.Framework.Configuration.Abstractions": "1.0.0-beta8", "Microsoft.Framework.Configuration.Binder": "1.0.0-beta8", "Microsoft.Framework.Configuration.Json": "1.0.0-beta5", "Microsoft.Framework.Configuration.UserSecrets": "1.0.0-beta5", "Microsoft.Framework.Logging": "1.0.0-beta5", "Microsoft.Framework.Logging.Console": "1.0.0-beta5", "Microsoft.VisualStudio.Web.BrowserLink.Loader": "14.0.0-beta5" }, "commands": { "web": "Microsoft.AspNet.Hosting --config hosting.ini", "ef": "EntityFramework.Commands" }, "frameworks": { "dnx451": { }, "dnxcore50": { } }, "exclude": [ "wwwroot", "node_modules", "bower_components" ], "publishExclude": [ "node_modules", "bower_components", "**.xproj", "**.user", "**.vspscc" ], "scripts": { "prepublish": [ "npm install", "bower install", "gulp clean", "gulp min" ] }, "configurations": { } }

解决方案

There is no more constructor of ConfigurationBuilder having appEnv.ApplicationBasePath as argument, but instead there is SetBasePath method.

So change your code to:

var builder = new ConfigurationBuilder() .SetBasePath(appEnv.ApplicationBasePath) .AddJsonFile("config.json") .AddJsonFile($"config.{env.EnvironmentName}.json", optional: true);