在Angular中,可以使用单例服务和mat dialog来解决特定问题。下面是一个示例:
// singleton.service.ts
import { Injectable } from '@angular/core';
@Injectable({
  providedIn: 'root'
})
export class SingletonService {
  private data: any;
  constructor() { }
  getData() {
    return this.data;
  }
  setData(data: any) {
    this.data = data;
  }
}
// component1.component.ts
import { Component } from '@angular/core';
import { SingletonService } from './singleton.service';
@Component({
  selector: 'app-component1',
  template: `
    
    
  `
})
export class Component1Component {
  constructor(private singletonService: SingletonService) { }
  setData() {
    this.singletonService.setData('Hello');
  }
  getData() {
    console.log(this.singletonService.getData());
  }
}
// component2.component.ts
import { Component } from '@angular/core';
import { SingletonService } from './singleton.service';
@Component({
  selector: 'app-component2',
  template: `
    
  `
})
export class Component2Component {
  constructor(private singletonService: SingletonService) { }
  getData() {
    console.log(this.singletonService.getData());
  }
}
// dialog.component.ts
import { Component, Inject } from '@angular/core';
import { MatDialogRef, MAT_DIALOG_DATA } from '@angular/material/dialog';
@Component({
  selector: 'app-dialog',
  template: `
    Dialog Content
    {{ data }}
    
  `
})
export class DialogComponent {
  constructor(
    public dialogRef: MatDialogRef,
    @Inject(MAT_DIALOG_DATA) public data: any
  ) { }
  closeDialog() {
    this.dialogRef.close();
  }
}
 // component.component.ts
import { Component } from '@angular/core';
import { MatDialog } from '@angular/material/dialog';
import { DialogComponent } from './dialog.component';
@Component({
  selector: 'app-component',
  template: `
    
  `
})
export class ComponentComponent {
  constructor(public dialog: MatDialog) { }
  openDialog() {
    const dialogRef = this.dialog.open(DialogComponent, {
      data: 'Hello'
    });
    dialogRef.afterClosed().subscribe(result => {
      console.log('The dialog was closed');
    });
  }
}
希望以上解决方法能对你有所帮助!