小编Vla*_*rin的帖子

我是Angular的新手.我开始了英雄之旅来学习它.所以,我创建了一个app.component具有two-way约束力.

import { Component } from '@angular/core';
export class Hero {
    id: number;
    name: string;
}
@Component({
    selector: 'app-root',
    template: `
        <h1>{{title}}</h1>
        <h2>{{hero.name}}  details!</h2>
        <div><label>id: </label>{{hero.id}}</div>
        <div><label>Name: </label>
            <input [(ngModel)]="hero.name" placeholder="Name">
        </div>
    `,
    styleUrls: ['./app.component.css']
})
export class AppComponent {
    title = 'Tour of Heroes';
    hero: Hero = {
        id: 1,
        name: 'Windstorm'
    };
}

在本教程之后,我导入了FormsModule并将其添加到声明数组中.此步骤出现错误:

import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { AppComponent } from './app.component';
import { …