Flutter Отправьте JSON Body To API
Future<http.Response> createFunction(String str) {
return http.post(
Uri.parse('https://your_domain.com/path'),
headers: <String, String>{
'Content-Type': 'application/json; charset=UTF-8',
},
body: jsonEncode(<String, String>{
'str': str,
}),
);
}
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