Каждый раз, когда я вызываю конечную точку, я получаю сообщение об ошибке. Для этого примера представлены значения Stati c, но в дальнейшем они будут заменены реальными значениями. Цель состоит в том, чтобы получить значения из базы данных через API. Значения, порядок и записи были проверены на наличие орфографических ошибок. Любое понимание будет оценено.
class Search {
final int id;
final String location;
final int employer;
final String service;
final int position;
final String userId;
Search({this.id, this.location, this.employer, this.service, this.position, this.userId});
factory Search.fromJson(Map<String, dynamic> json) {
return Search(
id: json['id'],
employer: json['employer'],
location: json['location'],
service: json['service'],
position: json['position'],
);
}
Map<String, String> headers = {
'content-type': 'application/json',
'accept': 'application/json',
'authorization': 'ztNMKpkGM4USORPl45HGEl8EMyh1'
};
Map toMap() {
var map = new Map<String, dynamic>();
map["employer"] = employer;
map["location"] = location;
map["service"] = service;
map["postion"] = position;
return map;
}
}
Future<Search> createSearch(
int employer, String location, String service, int position) async {
final http.Response response = await http.post(
'http://m-waks/employer/asefsdgcsjdsxxx/search-employees/',
headers: {
HttpHeaders.authorizationHeader: 'ztNMKpkGM4USORPl45HGEl8EMyh1','Content-Type': 'application/json',
'Accept': 'application/json'
},
body: jsonEncode(<String, dynamic>{
'employer': employer,
'location': location,
'service': service,
'position': position
}));
if (response.statusCode < 200 || response.statusCode > 400 || json == null) {
throw new Exception("Error while fetching data");
} else {
return Search.fromJson(json.decode(response.body)['results']);
}
}
выполнение для этого вызова
onPressed: () async {
setState(() {
_search = createSearch(3,"All Areas","Beautician",0);
});
}
Сообщение об ошибке здесь:
[ERROR:flutter/lib/ui/ui_dart_state.cc(157)] Unhandled Exception: FormatException: Unexpected character (at character 1)
E/flutter (16592): <html>
E/flutter (16592): ^
E/flutter (16592):
E/flutter (16592): #0 _ChunkedJsonParser.fail (dart:convert-patch/convert_patch.dart:1394:5)
E/flutter (16592): #1 _ChunkedJsonParser.parseNumber (dart:convert-patch/convert_patch.dart:1261:9)
E/flutter (16592): #2 _ChunkedJsonParser.parse (dart:convert-patch/convert_patch.dart:926:22)
E/flutter (16592): #3 _parseJson (dart:convert-patch/convert_patch.dart:31:10)
E/flutter (16592): #4 JsonDecoder.convert (dart:convert/json.dart:495:36)
E/flutter (16592): #5 JsonCodec.decode (dart:convert/json.dart:153:41)
E/flutter (16592): #6 createSearch (package:m_waks/pages/home_page.dart:68:33)
E/flutter (16592): <asynchronous suspension>
E/flutter (16592): #7 _HomePageState._buildList.<anonymous closure>.<anonymous closure> (package:m_waks/pages/home_page.dart:608:25)
E/flutter (16592): #8 State.setState (package:flutter/src/widgets/framework.dart:1148:30)
E/flutter (16592): #9 _HomePageState._buildList.<anonymous closure> (package:m_waks/pages/home_page.dart:607:13)
E/flutter (16592): #10 _InkResponseState._handleTap (package:flutter/src/material/ink_well.dart:706:14)
E/flutter (16592): #11 _InkResponseState.build.<anonymous closure> (package:flutter/src/material/ink_well.dart:789:36)
E/flutter (16592): #12 GestureRecognizer.invokeCallback (package:flutter/src/gestures/recognizer.dart:182:24)
E/flutter (16592): #13 TapGestureRecognizer.handleTapUp (package:flutter/src/gestures/tap.dart:486:11)
E/flutter (16592): #14 BaseTapGestureRecognizer._checkUp (package:flutter/src/gestures/tap.dart:264:5)
E/flutter (16592): #15 BaseTapGestureRecognizer.acceptGesture (package:flutter/src/gestures/tap.dart:236:7)
E/flutter (16592): #16 GestureArenaManager.sweep (package:flutter/src/gestures/arena.dart:156:27)
E/flutter (16592): #17 GestureBinding.handleEvent (package:flutter/src/gestures/binding.dart:222:20)
E/flutter (16592): #18 GestureBinding.dispatchEvent (package:flutter/src/gestures/binding.dart:198:22)
E/flutter (16592): #19 GestureBinding._handlePointerEvent (package:flutter/src/gestures/binding.dart:156:7)
E/flutter (16592): #20 GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:102:7)
E/flutter (16592): #21 GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:86:7)
E/flutter (16592): #22 _rootRunUnary (dart:async/zone.dart:1138:13)
E/flutter (16592): #23 _CustomZone.runUnary (dart:async/zone.dart:1031:19)
E/flutter (16592): #24 _CustomZone.runUnaryGuarded (dart:async/zone.dart:933:7)
E/flutter (16592): #25 _invoke1 (dart:ui/hooks.dart:273:10)
E/flutter (16592): #26 _dispatchPointerDataPacket (dart:ui/hooks.dart:182:5)