How to pass 2d array in http post request of angular 2

Question

everyone

i have searched but not found the way how to pass 2d array in http post request. i want to sent 2d array in body of http reqeust.

Here is code

 let body = JSON.stringify({outlets_attribute[][name]: outlet});<--- giving syntax error here

return this.http.post('URL',body ,{headers:  this.Get_Header()});

if someone know, please guide how to handle this. Thanks!

this.http.post(url, the2dArray);? Given that what you have is syntactically incorrect, it's hard to understand what you want to achieve with that made up syntax. — JB Nizet
– JB Nizet, Commented Nov 24, 2016 at 7:34
i want to send {outlets_attribute[][name]: outlet} this in my http post request but don't know the proper method for doing that.... — Umar Bilal
– Umar Bilal, Commented Nov 24, 2016 at 11:57
The problem is that this is completely invalid JavaScript. So I don't understand what you actually want to do. An object has keys which are strings, and values which are anything. You're trying to use outlets_attribute[][name] as key, which is not a valid attribute name, and outlet as value. Moreover, I have no idea of what these variables are. — JB Nizet
– JB Nizet, Commented Nov 24, 2016 at 12:41

Jay Ordway · Accepted Answer · 2017-05-01 13:00:35Z

1

You can use URLSearchParams:

import { Http, Headers, RequestOptions, URLSearchParams } from '@angular/http';
import { Observable }     from 'rxjs/Observable';
import 'rxjs/add/operator/map';

with something like:

let params = new URLSearchParams();
    params.append('array[]', 'val1');
    params.append('array[]', 'val2');
return this.http.post('/endpoint', params).map(
      (response) => response
    )

answered May 1, 2017 at 13:00

Jay Ordway

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