Благодаря @ GünterZöchbauer.Мне удается построить xml во Флаттере, и я смогу опубликовать и получить ответ.Вот код:
ЗАВИСИМОСТЬ:
// Add pubspec.yaml: xml: "^3.2.1"
import 'package:xml/xml.dart' as xml;
import 'dart:io';
BUILD XML:
// TODO: BUILD XML FILE
Future<HttpClientResponse> _sendOTP() async {
var builder = new xml.XmlBuilder();
builder.processing('xml', 'version="1.0" encoding="iso-8859-9"');
builder.element('MainmsgBody', nest: () {
builder.element('UserName', nest: “xxxxxxxx”);
builder.element('PassWord', nest: “yyyyyyyy”);
builder.element('Action', nest: 5);
builder.element('Mesgbody', nest: “I am Fluttering with Dart”);
builder.element('Numbers', nest: 5);
});
var bookshelfXml = builder.build();
String _uriMsj = bookshelfXml.toString();
print("_uriMsj: $_uriMsj");
String _uri = "https://*******.******.com/http****”;
var _responseOtp = postOTP(_uri, _uriMsj);
print("_responseOtp: $_responseOtp");
}
**POST XML:**
// TODO: POST XML FILE
Future<String> postOTP(String _uri, String _message) async {
HttpClient client = new HttpClient();
HttpClientRequest request = await client.postUrl(Uri.parse(_uri));
request.write(_message);
HttpClientResponse response = await request.close();
StringBuffer _buffer = new StringBuffer();
await for(String a in await response.transform(utf8.decoder)) {
_buffer.write(a);
}
print("_buffer.toString: ${_buffer.toString()}");
return _buffer.toString();
}