【问题标题】:Use same `.resx` file in ASP.NET Core and .NET Core console project在 ASP.NET Core 和 .NET Core 控制台项目中使用相同的 .resx 文件
【发布时间】:2017-08-13 04:48:06
【问题描述】:

我已经根据这个在 ASP.NET Core 中实现了本地化:https://docs.microsoft.com/en-us/aspnet/core/fundamentals/localization

我有一个公共库项目 (MyProject.Common),我在其中保存资源文件(因为它被多个 ASP.NET Core 应用程序使用)。

所以我在MyProject.Common\Resources\Localization\SharedResources.sv.resx 下有一个.resx 文件:

<?xml version="1.0" encoding="utf-8"?>
<root>
  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
    <xsd:element name="root" msdata:IsDataSet="true">
      <xsd:complexType>
        <xsd:choice maxOccurs="unbounded">
          <xsd:element name="metadata">
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element name="value" type="xsd:string" minOccurs="0" />
              </xsd:sequence>
              <xsd:attribute name="name" use="required" type="xsd:string" />
              <xsd:attribute name="type" type="xsd:string" />
              <xsd:attribute name="mimetype" type="xsd:string" />
              <xsd:attribute ref="xml:space" />
            </xsd:complexType>
          </xsd:element>
          <xsd:element name="assembly">
            <xsd:complexType>
              <xsd:attribute name="alias" type="xsd:string" />
              <xsd:attribute name="name" type="xsd:string" />
            </xsd:complexType>
          </xsd:element>
          <xsd:element name="data">
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
              </xsd:sequence>
              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
              <xsd:attribute ref="xml:space" />
            </xsd:complexType>
          </xsd:element>
          <xsd:element name="resheader">
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
              </xsd:sequence>
              <xsd:attribute name="name" type="xsd:string" use="required" />
            </xsd:complexType>
          </xsd:element>
        </xsd:choice>
      </xsd:complexType>
    </xsd:element>
  </xsd:schema>
  <resheader name="resmimetype">
    <value>text/microsoft-resx</value>
  </resheader>
  <resheader name="version">
    <value>2.0</value>
  </resheader>
  <resheader name="reader">
    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
  </resheader>
  <resheader name="writer">
    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
  </resheader>
  <data name="English string" xml:space="preserve">
    <value>Swedish string</value>
  </data>
</root>

我在MyProject.Common\Localization\SharedResources.cs 下有一个空的.cs 文件,如下所示:

namespace MyProject.Common.Localization
{
    /// <summary>
    /// This is just a placeholder so that we can have all our resources in the same .resx file
    /// </summary>
    public class SharedResources
    {
    }
}

我有一个名为 Localizer 的类,用于获取翻译后的字符串:

using System;
using Microsoft.Extensions.Localization;

namespace MyProject.Common.Localization
{
    public class Localizer
    {
        private readonly IStringLocalizer _localizer;

        public Localizer(IStringLocalizer<SharedResources> localizer)
        {
            _localizer = localizer;
        }

        public virtual LocalizedString this[string name]
        {
            get
            {
                if (name == null)
                {
                    throw new ArgumentNullException(nameof(name));
                }

                return _localizer[name];
            }
        }

        public virtual LocalizedString this[string name, params object[] arguments]
        {
            get
            {
                if (name == null)
                {
                    throw new ArgumentNullException(nameof(name));
                }

                return _localizer[name, arguments];
            }
        }
    }
}

它被喜欢这样使用(如果请求的文化是瑞典语,将返回瑞典语翻译):

_localizer["English string"];

Startup.cs 中,我为每个 ASP.NET Core 项目配置本地化如下:

services
    // Add the localization services to the services container
    .AddLocalization(options => options.ResourcesPath = "Resources")

    // Configure supported cultures and localization options
    .Configure<RequestLocalizationOptions>(options =>
    {
        var supportedCultures = new[]
        {
            new CultureInfo("en"),
            new CultureInfo("sv")
        };

        // State what the default culture for your application is. This will be used if no specific culture
        // can be determined for a given request.
        options.DefaultRequestCulture = new RequestCulture(culture: "en", uiCulture: "en");

        // You must explicitly state which cultures your application supports.
        // These are the cultures the app supports for formatting numbers, dates, etc.
        options.SupportedCultures = supportedCultures;

        // These are the cultures the app supports for UI strings, i.e. we have localized resources for.
        options.SupportedUICultures = supportedCultures;
    });

我想弄清楚如何在 (.NET Core) 控制台应用程序中重用它?如果我尝试通过依赖注入使用我的自定义Localizer,我会得到:'Unable to resolve service for type 'Microsoft.AspNetCore.Hosting.IHostingEnvironment' while attempting to activate 'Microsoft.Extensions.Localization.ResourceManagerStringLocalizerFactory。所以这是因为Microsoft.Extensions.Localization 依赖于 ASP.NET Core,而我的控制台项目中并不存在。

如何在我的控制台项目中使用相同的 .resx 文件?

【问题讨论】:

    标签: c# asp.net .net asp.net-core .net-core


    【解决方案1】:

    我知道我在这里聚会有点晚了,但您应该可以直接访问您的翻译。当然,在控制台应用程序中没有请求本地化这样的概念,因此您需要手动处理文化查找/存储/任何内容,但是一旦您了解文化,就可以像这样访问您的翻译(不需要依赖注入!):

    var german = new System.Globalization.CultureInfo("de-DE");
    var english = new System.Globalization.CultureInfo("en-AU");
    
    // result "Guten tag"
    var greeting1 = Shared.Resources.Lang.ResourceManager.GetString("GREETING", german); 
    
    // result "Gidday mate"
    var greeting2 = Shared.Resources.Lang.ResourceManager.GetString("GREETING", english);
    

    您可能会想出一种处理语言代码和资源标记的好方法,但这应该足以翻译公共资源文件。

    注意:这适用于 .Net Core 2.0,尚未在其他版本中测试。

    【讨论】:

    • 很高兴你迟到了 ;)。我正试图做到这一点,但没有成功。我创建了两个 ResX 文件,一个是中性的,另一个是特定于文化的,但我总是得到中性的值。这听起来很熟悉吗?详情在这里:github.com/dotnet/core/issues/1036
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