Seの例ここplunker
:
親コンポーネント:
import { Comp1Component } from './../comp1/comp1.component';
import { Component, OnInit } from '@angular/core';
@Component({
selector: 'app-comp-parent',
template:`
<p>ngModel: {{sharedVarParent}}</p>
<app-comp1 [comp1]="sharedVarParent" (sharedVarChange)="onChange($event)"></app-comp1>
<hr />
<app-comp2 [comp2]="sharedVarParent" (sharedVarChange)="onChange($event)"></app-comp2>
`
})
export class CompParentComponent implements OnInit {
sharedVarParent ='Initial';
onChange(ev){
this.sharedVarParent = ev;
}
}
COMP1:
import { Component, OnInit, Input, Output,EventEmitter } from '@angular/core';
@Component({
selector: 'app-comp1',
template:`
<input type="text" id="username" placeholder="{{comp1}}" [ngModel]="comp1" (ngModelChange)="change($event)">
<div>{{comp1}}</div>`
})
export class Comp1Component implements OnInit {
@Input() comp1;
@Output() sharedVarChange = new EventEmitter();
change(newValue) {
this.comp1 = newValue;
this.sharedVarChange.emit(newValue);
}
}
器Comp2
import { Component, OnInit, Input, Output,EventEmitter } from '@angular/core';
@Component({
selector: 'app-comp2',
template:`
<input type="text" id="username" placeholder="{{comp2}}" [ngModel]="comp2" (ngModelChange)="change($event)">
<div>{{comp2}}</div>
`
})
export class Comp2Component implements OnInit {
@Input() comp2;
@Output() sharedVarChange = new EventEmitter();
change(newValue) {
this.comp2 = newValue;
this.sharedVarChange.emit(newValue);
}
}
![enter image description here](https://i.stack.imgur.com/pEizV.png)
出典
2017-04-12 14:40:51
sTx
あなたは、明確なアイデア –
私は正確にあなたが実現したいものを、あなたは正確に私たちに知らせ – Maxim
説明が必要なものを教えてくださいを得るより多くのではない手の込んだていただけます要件が明確ではありません –