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dart server listen how to recive json data
“dart server listen how to recive json data” Code Answer
dart server listen how to recive json data
javascript by
Grumpy Gorilla
on Nov 24 2020
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import 'dart:io';import 'dart:convert';String _host = InternetAddress.loopbackIPv4.host;Future main() async { var server = await HttpServer.bind(_host, 4049); await for (var req in server) { ContentType contentType = req.headers.contentType; HttpResponse response = req.response; if (req.method == 'POST' && contentType?.mimeType == 'application/json' /*1*/) { try { String content = await utf8.decoder.bind(req).join(); /*2*/ var data = jsonDecode(content) as Map; /*3*/ var fileName = req.uri.pathSegments.last; /*4*/ await File(fileName) .writeAsString(content, mode: FileMode.write); req.response ..statusCode = HttpStatus.ok ..write('Wrote data for ${data['name']}.'); } catch (e) { response ..statusCode = HttpStatus.internalServerError ..write('Exception during file I/O: $e.'); } } else { response ..statusCode = HttpStatus.methodNotAllowed ..write('Unsupported request: ${req.method}.'); } await response.close(); }}
Source:
medium.com
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