Flutter简单http转JavaBean

1.

flutter:

sdk: flutter

dio: 1.0.9

json_serializable: ^2.0.0

json_annotation: ^2.0.0

cupertino_icons: ^0.1.2

build_runner: ^1.1.2

flutter packages get

2.

github.com/debuggerx01…

3. JavaBean

import 'dart:convert' show json;

class Tests {

String origin;

Tests.fromParams({this.origin});

factory Tests(jsonStr) => jsonStr == null ? null : jsonStr is String ? new Tests.fromJson(json.decode(jsonStr)) : new Tests.fromJson(jsonStr);

Tests.fromJson(jsonRes) {
origin = jsonRes['origin'];
}

@override
String toString() {
return '{"origin": ${origin != null?'${json.encode(origin)}':'null'}}';
}
}

4.import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'Tests.dart';
import 'HistoryListByDate.dart';

//import 'package:http/http.dart' as http;
void main() {
runApp(new MaterialApp(
home: new HomePage(),
));
}

class HomePage extends StatefulWidget {
@override
HomePageState createState() => new HomePageState();
}

class HomePageState extends State<HomePage> {
List data;

void getHttp() async {
try {
Response response;
response = await Dio().get("https://httpbin.org/ip");
Tests mTests = new Tests.fromJson(response.data);
print("==mTests====" + mTests.toString());
} catch (e) {
print("====e==" + e.toString());
}
}



@override
Widget build(BuildContext context) {
getHttp();
return new Scaffold(
body: new Center(
child: new RaisedButton(
child: new Text("Get data"),
onPressed: getHttp,
),
),
);
}
}