Angular 角度6 CLI定位和;多语言支持的国际化
我们在应用程序中使用的是Angular 6。在该应用程序中,我们希望提供多语言支持 我们如何在angular 6中实现本地化和国际化?这是一个角度为6的版本。请参阅: 使用ngx Translate翻译Angular 6应用程序 我们将做什么:Angular 角度6 CLI定位和;多语言支持的国际化,angular,typescript,localization,internationalization,angular6,Angular,Typescript,Localization,Internationalization,Angular6,我们在应用程序中使用的是Angular 6。在该应用程序中,我们希望提供多语言支持 我们如何在angular 6中实现本地化和国际化?这是一个角度为6的版本。请参阅: 使用ngx Translate翻译Angular 6应用程序 我们将做什么: import { HttpClientModule, HttpClient } from '@angular/common/http'; import { TranslateModule, TranslateLoader } from '@ngx-tra
import { HttpClientModule, HttpClient } from '@angular/common/http';
import { TranslateModule, TranslateLoader } from '@ngx-translate/core';
import { TranslateHttpLoader } from '@ngx-translate/http-loader';
<h1 translate>Title</h1>
<div>
{{ 'Intro' | translate:user }}
</div>
<div>
{{ 'Startpage.TranslationSections' | translate }}
</div>
<div>
{{ 'Aboutpage.TranslationSections' | translate }}
</div>
<br/>
<button (click)="switchLanguage('en')">en</button>
<button (click)="switchLanguage('fr')">fr</button>
创建最小角度6项目
安装并加载ngx translate
初始化TranslateService
创建.json翻译文件
翻译简单的标题和介绍
集成语言切换器
用变量翻译句子
使用嵌套的.json对象
创建最小角度6项目
我们使用@angular/cli在终端中创建一个名为“traduction”的新项目:
ng new traduction --prefix tr
cd traduction
ng serve -o
安装并加载ngx translate 在项目文件夹“traduction”中的终端中使用npm:
npm install @ngx-translate/core --save
npm install @ngx-translate/http-loader
注:
请使用以下版本6
对于angular 5,请使用最新版本10及以上
将必要的模块导入app.module.ts:
import { HttpClientModule, HttpClient } from '@angular/common/http';
import { TranslateModule, TranslateLoader } from '@ngx-translate/core';
import { TranslateHttpLoader } from '@ngx-translate/http-loader';
<h1 translate>Title</h1>
<div>
{{ 'Intro' | translate:user }}
</div>
<div>
{{ 'Startpage.TranslationSections' | translate }}
</div>
<div>
{{ 'Aboutpage.TranslationSections' | translate }}
</div>
<br/>
<button (click)="switchLanguage('en')">en</button>
<button (click)="switchLanguage('fr')">fr</button>
添加一个函数,返回“TranslateHttpLoader”并导出它(AoT需要)。在本例中,我们创建的HttpLoaderFactory函数返回一个可以使用Http和.json加载翻译的对象,但您可以编写自己的类,例如使用全局JavaScript变量而不是加载文件,或者使用Google Translate:
export function HttpLoaderFactory(http: HttpClient) {
return new TranslateHttpLoader(http);
}
或
然后我们需要将模块导入@NgModule,这是告诉Angular将此模块加载到AppModule的导入:
@NgModule({
declarations: [
AppComponent
],
imports: [
BrowserModule,
HttpClientModule,
TranslateModule.forRoot({
loader: {
provide: TranslateLoader,
useFactory: HttpLoaderFactory,
deps: [HttpClient]
}
})
],
providers: [],
bootstrap: [AppComponent]
})
注入TranslateService
在“app.component.ts”中,我们现在初始化“TranslateService”,导入TranslateService:
import { TranslateService } from '@ngx-translate/core';
然后在AppComponent类中注入服务并定义默认语言。为了准备下一步,我们添加了一个函数来切换语言
constructor(private translate: TranslateService) {
translate.setDefaultLang('en');
}
switchLanguage(language: string) {
this.translate.use(language);
}
创建.json翻译文件
export function translateHttpLoaderFactory(http: HttpClient) {
return new TranslateHttpLoader(http);
}
TranslateModule.forRoot({
loader: {
provide: TranslateLoader,
useFactory: translateHttpLoaderFactory,
deps: [HttpClient]
}
})
import { Injectable } from '@angular/core';
import { TranslateService, LangChangeEvent } from '@ngx-translate/core';
import { ReplaySubject } from 'rxjs';
import { take } from 'rxjs/operators';
@Injectable({ providedIn: 'root' })
export class LanguageService {
language$ = new ReplaySubject<LangChangeEvent>(1);
translate = this.translateService;
// 國旗對照;
constructor(private translateService: TranslateService) {}
setInitState() {
this.translateService.addLangs(['en', 'cn','vi']);
console.log( 'Browser Lang', this.translate.getBrowserLang());
const browserLang = (this.translate.getBrowserLang().includes('vi')) ? 'vi' : 'cn' ;
console.log("anhtt "," anguage = " +browserLang);
this.setLang(browserLang);
}
setLang(lang: string) {
this.translateService.onLangChange.pipe(take(1)).subscribe(result => {
this.language$.next(result);
});
this.translateService.use(lang);
}
}
现在,我们在assets/i18n文件夹中创建翻译文件:
src/assets/i18n/en.json
{
"Title": "Translation example",
"Intro": "Hello I am Arthur, I am 42 years old."
}
src/assets/i18n/fr.json
{
"Title": "Exemple de traduction",
"Intro": "Bonjour je m'appelle Arthur, j'ai 42 ans."
}
这些是简单的.json文件,将由我们在“app.module.ts”中创建的“TranslateHttpLoader”加载
翻译简单的标题和介绍
在app.component.html中,我们在“h1”标记中添加了一个带有translate“directive”的标题。此指令将获取标记内的文本,并用匹配的翻译替换它。如果使用该指令,则必须确保标记中除了文本之外没有其他内容
作为第二个示例,我们使用“TranslationPipe”将带有define的标签转换为内联字符串。由于我们有时需要替换转换中的值,因此可以将数据对象传递到“translate”管道中
<h1 translate>Title</h1>
<div>
{{ 'Intro' | translate:user }}
</div>
因为我们将这个对象传递到“translate”管道中,所以我们现在可以使用{{placeholder}}符号在翻译中使用它的属性
src/assets/i18n/en.json
{
"Title": "Translation example",
"Intro": "Hello I am {{name}}, I am {{age}} years old."
}
src/assets/i18n/fr.json
{
"Title": "Exemple de traduction",
"Intro": "Bonjour je m'appelle {{name}}, j'ai {{age}} ans."
}
使用嵌套的.json对象
export function translateHttpLoaderFactory(http: HttpClient) {
return new TranslateHttpLoader(http);
}
TranslateModule.forRoot({
loader: {
provide: TranslateLoader,
useFactory: translateHttpLoaderFactory,
deps: [HttpClient]
}
})
import { Injectable } from '@angular/core';
import { TranslateService, LangChangeEvent } from '@ngx-translate/core';
import { ReplaySubject } from 'rxjs';
import { take } from 'rxjs/operators';
@Injectable({ providedIn: 'root' })
export class LanguageService {
language$ = new ReplaySubject<LangChangeEvent>(1);
translate = this.translateService;
// 國旗對照;
constructor(private translateService: TranslateService) {}
setInitState() {
this.translateService.addLangs(['en', 'cn','vi']);
console.log( 'Browser Lang', this.translate.getBrowserLang());
const browserLang = (this.translate.getBrowserLang().includes('vi')) ? 'vi' : 'cn' ;
console.log("anhtt "," anguage = " +browserLang);
this.setLang(browserLang);
}
setLang(lang: string) {
this.translateService.onLangChange.pipe(take(1)).subscribe(result => {
this.language$.next(result);
});
this.translateService.use(lang);
}
}
如果您希望能够更好地控制翻译,例如翻译页面块(从最终用户的角度)或组件(从开发人员的角度),一个解决方案可以是:;使用git repo中描述的嵌套.json对象。在-json文件中可以看到如下示例:
{
"Title": "Translation example",
"Intro": "Hello I am {{name}}, I am {{age}} years old.",
"Startpage": {
"TranslationSections": "Hello World"
},
"Aboutpage": {
"TranslationSections": "We are letsboot"
}
}
{
"Title": "Exemple de traduction",
"Intro": "Bonjour je m'appelle {{name}}, j'ai {{age}} ans.",
"Startpage": {
"TranslationSections": "Bonjour Monde"
},
"Aboutpage": {
"TranslationSections": "Nous sommes letsboot"
}
}
并在相应的模板中:
import { HttpClientModule, HttpClient } from '@angular/common/http';
import { TranslateModule, TranslateLoader } from '@ngx-translate/core';
import { TranslateHttpLoader } from '@ngx-translate/http-loader';
<h1 translate>Title</h1>
<div>
{{ 'Intro' | translate:user }}
</div>
<div>
{{ 'Startpage.TranslationSections' | translate }}
</div>
<div>
{{ 'Aboutpage.TranslationSections' | translate }}
</div>
<br/>
<button (click)="switchLanguage('en')">en</button>
<button (click)="switchLanguage('fr')">fr</button>
标题
{{'Intro'| translate:user}
{{'Startpage.TranslationSections'| translate}}
{{'Aboutpage.TranslationSections'| translate}}
EN
fr
组件.module.ts
export function translateHttpLoaderFactory(http: HttpClient) {
return new TranslateHttpLoader(http);
}
TranslateModule.forRoot({
loader: {
provide: TranslateLoader,
useFactory: translateHttpLoaderFactory,
deps: [HttpClient]
}
})
import { Injectable } from '@angular/core';
import { TranslateService, LangChangeEvent } from '@ngx-translate/core';
import { ReplaySubject } from 'rxjs';
import { take } from 'rxjs/operators';
@Injectable({ providedIn: 'root' })
export class LanguageService {
language$ = new ReplaySubject<LangChangeEvent>(1);
translate = this.translateService;
// 國旗對照;
constructor(private translateService: TranslateService) {}
setInitState() {
this.translateService.addLangs(['en', 'cn','vi']);
console.log( 'Browser Lang', this.translate.getBrowserLang());
const browserLang = (this.translate.getBrowserLang().includes('vi')) ? 'vi' : 'cn' ;
console.log("anhtt "," anguage = " +browserLang);
this.setLang(browserLang);
}
setLang(lang: string) {
this.translateService.onLangChange.pipe(take(1)).subscribe(result => {
this.language$.next(result);
});
this.translateService.use(lang);
}
}
课堂语言服务.ts
export function translateHttpLoaderFactory(http: HttpClient) {
return new TranslateHttpLoader(http);
}
TranslateModule.forRoot({
loader: {
provide: TranslateLoader,
useFactory: translateHttpLoaderFactory,
deps: [HttpClient]
}
})
import { Injectable } from '@angular/core';
import { TranslateService, LangChangeEvent } from '@ngx-translate/core';
import { ReplaySubject } from 'rxjs';
import { take } from 'rxjs/operators';
@Injectable({ providedIn: 'root' })
export class LanguageService {
language$ = new ReplaySubject<LangChangeEvent>(1);
translate = this.translateService;
// 國旗對照;
constructor(private translateService: TranslateService) {}
setInitState() {
this.translateService.addLangs(['en', 'cn','vi']);
console.log( 'Browser Lang', this.translate.getBrowserLang());
const browserLang = (this.translate.getBrowserLang().includes('vi')) ? 'vi' : 'cn' ;
console.log("anhtt "," anguage = " +browserLang);
this.setLang(browserLang);
}
setLang(lang: string) {
this.translateService.onLangChange.pipe(take(1)).subscribe(result => {
this.language$.next(result);
});
this.translateService.use(lang);
}
}
从'@angular/core'导入{Injectable};
从'@ngx translate/core'导入{TranslateService,LangChangeEvent};
从“rxjs”导入{ReplaySubject};
从“rxjs/operators”导入{take};
@可注射({providedIn:'root'})
导出类语言服务{
语言$=新的ReplaySubject(1);
translate=this.translateService;
// 國旗對照;
构造函数(私有translateService:translateService){}
setInitState(){
this.translateService.addLangs(['en','cn','vi']);
log('Browser Lang',this.translate.getBrowserLang());
const browserLang=(this.translate.getBrowserLang().includes('vi'))?'vi':'cn';
console.log(“anhtt”,“anguage=“+browserLang”);
这个.setLang(browserLang);
}
setLang(lang:string){
this.translateService.onLangChange.pipe(take(1)).subscribe(结果=>{
this.language$.next(结果);
});
this.translateService.use(lang);
}
}
app.component.html
<h1>How to multi language in angular 7</h1>
<p >{{'content' |translate}}</p>
<h4 translate>
{{'message' |translate}}
</h4>
<button (click)="selectLanguageEN()">English</button>
<button (click)="selectLanguageCN()">中國</button>
<button (click)="selectLanguageVI()">Viet Nam</button>
如何在angular 7中使用多种语言
{{'content'| translate}
{{'message'| translate}}
英语
中國
越南
代码演示:
import { HttpClientModule, HttpClient } from '@angular/common/http';
import { TranslateModule, TranslateLoader } from '@ngx-translate/core';
import { TranslateHttpLoader } from '@ngx-translate/http-loader';
<h1 translate>Title</h1>
<div>
{{ 'Intro' | translate:user }}
</div>
<div>
{{ 'Startpage.TranslationSections' | translate }}
</div>
<div>
{{ 'Aboutpage.TranslationSections' | translate }}
</div>
<br/>
<button (click)="switchLanguage('en')">en</button>
<button (click)="switchLanguage('fr')">fr</button>
如果我想使用默认区域设置,我该怎么办?@JesusSandrea使用浏览器语言var language=window.navigator.userLanguage | | window.navigator.language;警觉(语文)//适用于IE/SAFARI/CHROME/FFin构建它为构建提供404检查文件位置