[英]Problem with translation in ASP.NET Core via ASP.NET Core localization in _Layout.cshtml
I am trying to learn programming in ASP.NET Core by making simple programs, but I got stuck with translating some parts of texts by using a localization feature.我正在尝试通过制作简单的程序来学习 ASP.NET Core 中的编程,但我在使用本地化功能翻译部分文本时遇到了困难。 For example, I created Resources and folders with all needed resource files with translated words and phrases.
例如,我创建了资源和文件夹,其中包含所有需要的资源文件以及翻译的单词和短语。 For _Layout.cshtml i created Resources -> Views -> Shared -> _Layout.en.resx and _Layout.fr.resx
对于 _Layout.cshtml,我创建了 Resources -> Views -> Shared -> _Layout.en.resx 和 _Layout.fr.resx
I tried to use this type of code but it doesn't work, the page is loading but when I change the culture from en to fr the words in _Layout don't change, only what I get is the words write in @localizer quotes in both languages.我尝试使用这种类型的代码,但它不起作用,页面正在加载,但是当我将文化从 en 更改为 fr 时,_Layout 中的单词不会改变,只有我得到的是@localizer 引号中写的单词两种语言。
The code in _Layout is the same as yours. _Layout 中的代码与您的相同。
The differences in Startup.cs: Startup.cs 的区别:
In ConfigureServices:在配置服务中:
services.AddLocalization(opt => { opt.ResourcesPath = "Resources"; }); services.AddLocalization(opt => { opt.ResourcesPath = "资源"; }); services.AddMvc().AddViewLocalization(LanguageViewLocationExpanderFormat.Suffix).AddDataAnnotationsLocalization();
services.AddMvc().AddViewLocalization(LanguageViewLocationExpanderFormat.Suffix).AddDataAnnotationsLocalization();
services.Configure<RequestLocalizationOptions>(
opt =>
{
var supportCulteres = new List<CultureInfo>
{
new CultureInfo("en"),
new CultureInfo("fr")
};
opt.DefaultRequestCulture = new RequestCulture("en");
opt.SupportedCultures = supportCulteres;
opt.SupportedUICultures = supportCulteres;
});
In Configure i add only that code: app.UseRequestLocalization(app.ApplicationServices.GetRequiredService<IOptions>().Value);在配置中,我只添加该代码: app.UseRequestLocalization(app.ApplicationServices.GetRequiredService<IOptions>().Value);
I made this to work this file _Culture.cshtml (problem with adding code)我做了这个来工作这个文件_Culture.cshtml(添加代码的问题)
https://i.stack.imgur.com/WV9pn.jpg https://i.stack.imgur.com/WV9pn.jpg
And I got side like this:我得到了这样的一面:
https://i.stack.imgur.com/1vRWE.jpg And after changing the language (in this example i have polish language but normally it is french) https://i.stack.imgur.com/Fbn8j.jpg https://i.stack.imgur.com/1vRWE.jpg更改语言后(在这个例子中我有波兰语,但通常是法语) https://i.stack.imgur.com/Fbn8j.jpg
Here is a whole working demo:这是一个完整的工作演示:
1.Add resource file in Resources/Views/Shared
folder in root project: 1.在根项目的
Resources/Views/Shared
文件夹中添加资源文件:
2.Edit your resource file( _Layout.fr.resx
) like below: 2.编辑您的资源文件(
_Layout.fr.resx
),如下所示:
Note :Be sure you have added the correct value for key( Home
, Privacy
, Book List
.Book List contains space ).注意:确保您为键添加了正确的值(
Home
、 Privacy
、 Book List
。图书列表包含空格)。
3.Create _Culture.cshtml
: _Culture.cshtml
:
@using Microsoft.AspNetCore.Builder
@using Microsoft.AspNetCore.Localization
@using Microsoft.AspNetCore.Mvc.Localization
@using Microsoft.Extensions.Options
@inject IViewLocalizer Localizer
@inject IOptions<RequestLocalizationOptions> LocOptions
@{
var culture = Context.Features.Get<IRequestCultureFeature>();
var cultureList = LocOptions.Value.SupportedUICultures
.Select(c => new SelectListItem { Value = c.Name, Text = c.DisplayName })
.ToList();
var returnUrl = string.IsNullOrEmpty(Context.Request.Path) ? "~/" : $"~{Context.Request.Path.Value}";
}
<div>
<form asp-controller="Home" asp-action="CultureManagement"
asp-route-returnUrl="@returnUrl" method="post">
<select name="culture" asp-for="@culture.RequestCulture.UICulture.Name" asp-items="cultureList"
onchange="this.form.submit();" >
</select>
</form>
</div>
4.Change your _Layout.cshtml
like below: 4.更改您的
_Layout.cshtml
,如下所示:
@inject Microsoft.AspNetCore.Mvc.Localization.IViewLocalizer localizer
<!DOCTYPE html>
<html lang="en">
<head>
//...
</head>
<body>
<header>
<nav class="navbar navbar-expand-sm navbar-toggleable-sm navbar-light bg-white border-bottom box-shadow mb-3">
<div class="container">
<a class="navbar-brand" asp-area="" asp-controller="Home" asp-action="Index">MvcCore3_1</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target=".navbar-collapse" aria-controls="navbarSupportedContent"
aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="navbar-collapse collapse d-sm-inline-flex flex-sm-row-reverse">
<ul class="navbar-nav flex-grow-1">
<li class="nav-item">
<a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Index">@localizer["Home"]</a>
</li>
<li class="nav-item">
<a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Privacy">@localizer["Privacy"]</a>
</li>
</ul>
//add the partial here
@await Html.PartialAsync("_Culture")
</div>
</div>
</nav>
</header>
<div class="container">
<main role="main" class="pb-3">
@RenderBody()
</main>
</div>
<footer class="border-top footer text-muted">
<div class="container">
© 2020 - MvcCore3_1 - <a asp-area="" asp-controller="Home" asp-action="Privacy">Privacy</a>
</div>
</footer>
<script src="~/lib/jquery/dist/jquery.min.js"></script>
<script src="~/lib/bootstrap/dist/js/bootstrap.bundle.min.js"></script>
<script src="~/js/site.js" asp-append-version="true"></script>
@RenderSection("Scripts", required: false)
</body>
</html>
5.Be sure add AddViewLocalization
in your Startup.cs like below: 5.确保在 Startup.cs 中添加
AddViewLocalization
,如下所示:
Note: It should be: app.ApplicationServices.GetRequiredService<IOptions<RequestLocalizationOptions>>()
not app.ApplicationServices.GetRequiredService<IOptions>()
.注意:它应该是:
app.ApplicationServices.GetRequiredService<IOptions<RequestLocalizationOptions>>()
不是app.ApplicationServices.GetRequiredService<IOptions>()
。
public void ConfigureServices(IServiceCollection services)
{
services.AddLocalization(options => options.ResourcesPath = "Resources");
services.AddControllersWithViews()
.AddViewLocalization(LanguageViewLocationExpanderFormat.Suffix);
services.Configure<RequestLocalizationOptions>(
opt =>
{
var supportCulteres = new List<CultureInfo>
{
new CultureInfo("en"),
new CultureInfo("fr")
};
opt.DefaultRequestCulture = new RequestCulture("en");
opt.SupportedCultures = supportCulteres;
opt.SupportedUICultures = supportCulteres;
});
}
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
var options = app.ApplicationServices.GetRequiredService<IOptions<RequestLocalizationOptions>>();
app.UseRequestLocalization(options.Value);
app.UseHttpsRedirection();
app.UseStaticFiles();
app.UseAuthentication();
app.UseRouting();
app.UseAuthorization();
app.UseEndpoints(endpoints =>
{
endpoints.MapControllerRoute(
name: "default",
pattern: "{controller=Home}/{action=Index}/{id?}");
});
}
6.Controller: 6.Controller:
[HttpPost]
public IActionResult CultureManagement(string culture, string returnUrl)
{
Response.Cookies.Append(
CookieRequestCultureProvider.DefaultCookieName,
CookieRequestCultureProvider.MakeCookieValue(new RequestCulture(culture)),
new CookieOptions { Expires = DateTimeOffset.UtcNow.AddYears(1) }
);
return LocalRedirect(returnUrl);
}
Result:结果:
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