Query String Angular with Parameters • InfinityKnow

Today, We want to share with you Get Query String Angular with Parameters.
In this post we will show you Angular Query Parameters Tutorial, hear for How to Pass URL Parameters (Query Strings) in Angular we will give you demo and example for implement.In this post, we will learn about Angular Router Get Query Parameters with an example.

Get Query String Angular Tutorial

What Are Query Parameters?

A Query Parameters or arguments or simple query strings key and value as they are so known enable us to pass some specified data in particular items information to an angular application get through the any URL that I can use to simple open ad server side said to fetch data in Query String Angular application.

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For Example

http://infinityknow/student?id=1
# This would indicate that you wished to
# view the student who's id was '2'
http://infinityknow/student?id=2
# ... and so on

Retrieving Query Parameters in Angular

we can simple utilize ActivatedRoutes in angularjs.

import { Component, OnInit } from '@angular/core';
import { ActivatedRoute } from '@angular/router';

//angular/core component
@Component({
    selector: 'app-root',
    templateUrl: './app.component.html',
    styleUrls: ['./app.component.css']
})
export class AppComponent implements OnInit {

    constructor(private route: ActivatedRoute) {}

	//get url query string
    ngOnInit() {
        this.route.queryParams.subscribe(arguvar => {
            console.log(arguvar);
        })
    }

}

http://localhost:4200/?version=1&id=2&name=jaydeep

Object {version: "1", id: "2", name: "jaydeep"}

Retrieving Specific Query Parameters

...
export class AppComponent implements OnInit {

  id: string;

  constructor(private route: ActivatedRoute) {}

  ngOnInit() {
    this.route.queryParams.subscribe(arguvar => {
      console.log(arguvar);
      this.id = arguvar['id'];
    })
  }

}

Passing Query Parameters via routerLink in Angular

<a>User 2</a>

// app.component.ts
myObj = {
    "name": "jaydeep",
    "age" : 22
  };

in angular file like as app.component.html

<a>My User Object</a>

Angular 6 Example

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