小编J.M*_*SON的帖子

订阅 ActivatedRoute 的参数时，出现错误Cannot find name 'Params'。我从哪个包导入它？

import { Component, OnInit } from '@angular/core';
import { Recipe } from '../recipe.model';
import { RecipeService } from '../../services/recipe/recipe.service';
import { ActivatedRoute } from '@angular/router';

// 我这里缺少一个导入。只是不知道从哪个包加载。

@Component({
  selector: 'app-recipe-detail',
  templateUrl: './recipe-detail.component.html',
  styleUrls: ['./recipe-detail.component.css']
})
export class RecipeDetailComponent implements OnInit {
  recipe: Recipe;
  id: number;

  constructor (
    private rService: RecipeService ,
    private ACTIVATED_ROUTE: ActivatedRoute,
  ) {

  }

  ngOnInit() {
    const id = this.ACTIVATED_ROUTE.snapshot.params['id'];

    this.ACTIVATED_ROUTE.params.subscribe(
      ( P: Params ) => { // <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< …