Flutter HTTP POST method with form data

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

  Future<void> regUser() async {

    var url = Uri.parse('https://coding.in/saveReg');

    var map = new Map<String, dynamic>();

    map['name'] = nameController.text;

    map['bijnesName'] = bijnesNameController.text;

    map['bijnesMobileNo'] = mobileController.text;

    map['bijnesEmail'] = emailController.text;

    map['bijnesType'] = nameController.text;

    map['pwd'] = passwordController.text;

    final response = await http.post(url, body: map);

    var responseData = jsonDecode(response.body);

    print(responseData['result']);

  }