動態內容投影 ng-content Select功能

標籤(Tag) Select="標籤名" Ex:select="h2"
樣式類別(Class) select=".類別名稱" Ex:select=".className"
屬性(Attribute) select="[屬性名稱]" Ex:select="[attrName]"

src/app/app.component.html

@@ -1,3 +1,8 @@
-<app-child>
-  <div>AppComponent 指定內容</div>
-</app-child>
+<app-form-container>
+  <h3>這是標題表單</h3>
+  <div class="sub-title">標題副表單</div>
+  表單內容
+  <div form-button>
+    <button type="button">儲存</button>
+  </div>
+</app-form-container>

src/app/app.module.ts

@@ -5,11 +5,13 @@ import { BrowserModule } from '@angular/platform-browser';
 import { AppRoutingModule } from './app-routing.module';
 import { AppComponent } from './app.component';
 import { ChildComponent } from './child/child.component';
+import { FormContainerComponent } from './form-container/form-container.component';
 
 @NgModule({
   declarations: [
     AppComponent,
-    ChildComponent
+    ChildComponent,
+    FormContainerComponent
   ],
   imports: [
     BrowserModule,

src/app/form-container/form-container.component.css

@@ -0,0 +1,24 @@
+:host {
+  display: block;
+  border: solid 1px #aaa;
+}
+
+.title {
+  display: flex;
+  padding: 0 10px;
+  flex-direction: row;
+  justify-content: space-between;
+  align-items: center;
+  border-bottom: 1px solid #aaa;
+}
+
+.content {
+  padding: 10px;
+  min-height: 100px;
+}
+
+.button {
+  padding: 10px;
+  border-top: 1px solid #aaa;
+  text-align: center;
+}

src/app/form-container/form-container.component.html

@@ -0,0 +1,10 @@
+<div class="title">
+  <ng-content select="h3"></ng-content>
+  <ng-content select=".sub-title"></ng-content>
+</div>
+<div class="content">
+  <ng-content></ng-content>
+</div>
+<div class="button">
+  <ng-content select="[form-button]"></ng-content>
+</div>

src/app/form-container/form-container.component.spec.ts

@@ -0,0 +1,23 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { FormContainerComponent } from './form-container.component';
+
+describe('FormContainerComponent', () => {
+  let component: FormContainerComponent;
+  let fixture: ComponentFixture<FormContainerComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [ FormContainerComponent ]
+    })
+    .compileComponents();
+
+    fixture = TestBed.createComponent(FormContainerComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/form-container/form-container.component.ts

@@ -0,0 +1,15 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'app-form-container',
+  templateUrl: './form-container.component.html',
+  styleUrls: ['./form-container.component.css']
+})
+export class FormContainerComponent implements OnInit {
+
+  constructor() { }
+
+  ngOnInit(): void {
+  }
+
+}