.NET Core WebApi 多语言本地化,动态切换多语言

1. 原生的.net core webapi 动态多语言本地话

   • 具体更多详细内容,可以参考官方文档

   • 首先看效果图

     • 

   • 整体项目结构图

     • 

   • 开始前需要讲一些重要的点

     • 1.是通过文件命名空间的路径去找寻的,比如 Resource.cs 是在和多语言Resource.xxxx.resx文件同一级别的
       2.参考下图,不然多语言翻译时是找寻不到的
       

     • 

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2. ConfigureServices里面进行以下配置

   services.AddLocalization();
               services.Configure<RequestLocalizationOptions>(options =>
               {
                   var supportedCultures = new List<CultureInfo>
                   {
                       new CultureInfo("en-US"),//英文
                       new CultureInfo("zh-Hans"),//简体中文
                       new CultureInfo("zh-Hant")//繁体中文-台湾
                   };
                   
                   options.DefaultRequestCulture = new RequestCulture(culture: "en-US", uiCulture: "en-US");
                   options.SupportedCultures = supportedCultures;
                   options.SupportedUICultures = supportedCultures;
                   options.RequestCultureProviders = new List<IRequestCultureProvider> { new CultureRequestCultureProvider() };
               });
   

3. Configure下加入如下代码

   //多语言配置
               var localizeOptions = app.ApplicationServices.GetService<IOptions<RequestLocalizationOptions>>();
               app.UseRequestLocalization(localizeOptions.Value);
   

4. 其中关键的 CultureRequestCultureProvider.cs 代码内容如下 (通过HttpContext 的Headers 传参 Accept-Language来实现动态切换语言的)

    public class CultureRequestCultureProvider : RequestCultureProvider
       {
           public override Task<ProviderCultureResult> DetermineProviderCultureResult(HttpContext httpContext)
           {
               if (httpContext == null)
               {
                   throw new ArgumentNullException();
               }
   
               #region 方式一从Cookies里面按需获取语言 注释
               //var CULTURE_String = "CULTURE";
               //var CultureValue = httpContext.Request.Cookies[CULTURE_String]?.ToString() ?? "";
               //if (string.IsNullOrWhiteSpace(CultureValue))
               //{
               //    CultureValue = "zh-Hans";
               //    httpContext.Response.Cookies.Append(key: CULTURE_String, value: CultureValue, options: new CookieOptions() { Expires = DateTime.Now.AddYears(1) });
               //} 
               #endregion
   
               //方式二 从Headers里面按需获取语言
               var culture = new StringSegment("zh-Hans");
               var uiCulture = new StringSegment("zh-Hans");
               var lang = httpContext.Request.Headers["Accept-Language"].ToString() ?? "";
               switch (lang)
               {
                   case "en-US":
                       //英文
                       culture = new StringSegment("en-US");
                       uiCulture = new StringSegment("en-US");
                       break;
                   case "zh-Hans":
                       //简体中文
                       culture = new StringSegment("zh-Hans");
                       uiCulture = new StringSegment("zh-Hans");
                       break;
                   case "zh-Hant":
                       //繁体中文-台湾
                       culture = new StringSegment("zh-Hant");
                       uiCulture = new StringSegment("zh-Hant");
                       break;
                   default:
                       goto case "zh-Hans";
               }
               return Task.FromResult(new ProviderCultureResult(culture, uiCulture));
           }
       }
   

5. Resource.cs 以及多语言文件的代码如下

   namespace DynamicMultilanguage.Localize
   {
       public class Resource
       {
       }
   }
   

   

   

   

6. 在控制器里面使用时

   		private readonly IStringLocalizer<Resource> _localizer;
   
           public HomeController(IStringLocalizer<Resource> localizer)
           {
               _localizer = localizer;
           }
   
   
   		[HttpGet]
           public object Get()
           {
               var culturesValue = _localizer["Home"];
               var culturesValueParams = _localizer["HomeTitie", "雨太阳", "66666"];
   
               return new { culturesValue, culturesValueParams };
           }
   

   按照以上操作,一个简答的WebApi的多语言切换已经完成了