反射式注射器不是通过NGCOMPONENTOUTLET指令正确实例化组件

Question

这是一个示例。任何帮助都将受到赞赏！

@Component({
  selector: 'component1',
  template : `
    <h3>{{title}}</h3>
    <button (click)='dismiss()'>dismiss</button>
     <ng-container *ngComponentOutlet="Component2;
              injector: myInjector;
              content: myContent">
    </ng-container>
  `
})
export class Component1 implements OnInit{
  title : string = "hello!";
  myInjector: Injector;
  myContent: any;
  constructor(private injector : Injector){
    this.myInjector = ReflectiveInjector.resolveAndCreate([
        { provide : Component2, useClass : Component2 }, 
        { provide: TestObject, useFactory: ()=> 
          { 
            return new TestObject("123", "hello world!", "<h2>sample</h2>", "{"a":{"b":{"Value":"test"},"c":{"Value":"test 1"}}}");
          }
        }
      ], this.injector);
  }
  ngOnInit(){
    var templateParent = document.createElement("div");
    templateParent.innerHTML = "<h2>this is test html!</h2>";
    this.myContent = [templateParent.childNodes];

  }
  dismiss(){
    console.log('dismiss clicked!');
  }
}

Answer 1

我在 Component1中看不到 Component2属性。因此，您将undefined传递给*ngComponentOutlet

尝试以下

export class Component1 implements OnInit{
  Component2 = Component2;

您有语法错误

"{"a":{"b":{"Value":"test"},"c":{"Value":"test 1"}}}"

您应该将其用作

'{"a":{"b":{"Value":"test"},"c":{"Value":"test 1"}}}'

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