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[ngx-formly] Use Angular Formly Extensions to automatically localize all field labels
In this lesson we're diving a bit deeper and learn how to inject services into Formly Extensions with the example of using ngx-translate to localize all of our form field labels. Create Extension with Tranlsate service: // translate.extension.ts impangular-formly中 expressionProperties 属性的使用方式：
参考网址：https://formly.dev/guide/getting-started expressionProperties 属性的使用方式： import {Component} from '@angular/core'; import {FormGroup} from '@angular/forms'; import {FormlyFieldConfig} from '@ngx-formly/core'; @Componen[ngx-formly] Customize Angular Formly validation messages
When you display error messages you want to make them as understandable as possible such that the user is able to figure out the problem. Example: the error message of a min validator should ideally contain the actual number and the min number allowed.