要实现Angular国际化,可以使用Angular的内置国际化模块ngx-translate。下面是一个包含代码示例的解决方法:
npm install @ngx-translate/core @ngx-translate/http-loader --save
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { HttpClientModule, HttpClient } from '@angular/common/http';
import { TranslateModule, TranslateLoader } from '@ngx-translate/core';
import { TranslateHttpLoader } from '@ngx-translate/http-loader';
import { AppComponent } from './app.component';
// 创建一个HttpLoaderFactory函数,用于加载翻译文件
export function HttpLoaderFactory(http: HttpClient) {
return new TranslateHttpLoader(http);
}
@NgModule({
declarations: [AppComponent],
imports: [
BrowserModule,
HttpClientModule,
TranslateModule.forRoot({
loader: {
provide: TranslateLoader,
useFactory: HttpLoaderFactory,
deps: [HttpClient]
}
})
],
bootstrap: [AppComponent]
})
export class AppModule {}
import { Component } from '@angular/core';
import { TranslateService } from '@ngx-translate/core';
@Component({
selector: 'app-root',
template: `
{{ 'WELCOME' | translate }}
`
})
export class AppComponent {
constructor(private translate: TranslateService) {
translate.setDefaultLang('en'); // 设置默认语言
}
changeLanguage(lang: string) {
this.translate.use(lang); // 切换语言
}
}
{{ 'WELCOME' | translate }}
en.json:
{
"WELCOME": "Welcome to my app!"
}
fr.json:
{
"WELCOME": "Bienvenue sur mon application !"
}
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