翻译RadDataForm格式的验证消息-原生脚本/Angular

// app.module.ts
import { HttpClientModule, HttpClient } from '@angular/common/http';
import { TranslateModule, TranslateLoader } from '@ngx-translate/core';
import { TranslateHttpLoader } from '@ngx-translate/http-loader';

export function HttpLoaderFactory(http: HttpClient) {
  return new TranslateHttpLoader(http, './assets/i18n/', '.json');
}

@NgModule({
  imports: [
    HttpClientModule,
    TranslateModule.forRoot({
      loader: {
        provide: TranslateLoader,
        useFactory: HttpLoaderFactory,
        deps: [HttpClient],
      },
    }),
  ],
})
export class AppModule {}

// component.ts
import { Component } from '@angular/core';
import { TranslateService } from '@ngx-translate/core';

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css'],
})
export class AppComponent {
  constructor(private translate: TranslateService) {
    translate.setDefaultLang('en');
    translate.use('zh'); // 设置默认语言为中文
  }
}

// app.component.html
<mat-card>
  <mat-card-title>Form Validation</mat-card-title>
  <mat-card-content>
    <telerik-rad-data-form
      [schema]="schema"
      [(ngModel)]="data"
      (dataChanged)="onDataChanged($event)"
    >
    </telerik-rad-data-form>
  </mat-card-content>
</mat-card>

// schema.ts
import { DataFormSchema } from '@progress/kendo-angular-dataform';

export const schema: DataFormSchema = {
  properties: {
    name: {
      type: 'string',
      validators: [
        { name: 'required' },
        { name: 'minLength', params: { length: 3 } },
      ],
      validationMessages: {
        required: '{{ 'NAME_REQUIRED' | translate }}',
        minLength: '{{ 'NAME_MIN_LENGTH' | translate }}',
      },
    },
  },
};

// assets/i18n/zh.json
{
  "NAME_REQUIRED": "名称是必填项",
  "NAME_MIN_LENGTH": "名称至少需要3个字符"
}