Learn Dart #8: Perform a server-side POST request in under 30 seconds

Hello friends. In today's quick tip we will be using the inbuilt HttpClient class to perform a server-side POST request.

This is demonstrated in the below video:

→ Watch on YouTube

Below is the full solution:

I'll admit it's a bit verbose. However the Dart team created a library called http to simplify this logic.

To install, update your pubspec.yaml file:

name: dart_project
dependencies:
  http: ^0.12.0

And run pub get to update your dependencies.

Here's what the solution now looks like:

import 'package:http/http.dart' as http;

void main() async {
  var response = await http.post('https://jsonplaceholder.typicode.com/posts',
    body: {
      'title': 'Post 1',
      'content': 'Lorem ipsum dolor sit amet',
    });

  print(response.body);
}

And run:

$ dart bin/main.dart

# Result:
# {
#   "title": "Post 1",
#   "content": "Lorem ipsum dolor sit amet",
#   "id": 101
# }

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Further reading

• HttpClient class
• http package on Pub
• Free Dart screencasts on Egghead.io