添加输入onclick按钮表单angular 7

<form>
  <input type="text" [(ngModel)]="inputValue">
  <button (click)="addInput()">添加</button>
</form>

import { Component } from '@angular/core';

@Component({
  selector: 'app-form',
  templateUrl: './form.component.html',
  styleUrls: ['./form.component.css']
})
export class FormComponent {
  inputValue: string;
  inputs: string[] = [];

  addInput() {
    this.inputs.push(this.inputValue);
    this.inputValue = '';
  }
}

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';

import { AppComponent } from './app.component';
import { FormComponent } from './form.component';

@NgModule({
  declarations: [
    AppComponent,
    FormComponent
  ],
  imports: [
    BrowserModule,
    FormsModule
  ],
  providers: [],
  bootstrap: [AppComponent]
})
export class AppModule { }