3.伪造请求头获取数据

请求头代码

const httpHeaders={
  'Accept': 'application/json, text/plain, */*',
  'Accept-Encoding': 'gzip, deflate, br',
  'Accept-Language': 'zh-CN,zh;q=0.9',
  'Connection': 'keep-alive',
  'Content-Type': 'application/json',
  'Cookie': '_ga=GA1.2.676402787.1548321037; GCID=9d149c5-11cb3b3-80ad198-04b551d; _gid=GA1.2.359074521.1550799897; _gat=1; Hm_lvt_022f847c4e3acd44d4a2481d9187f1e6=1550106367,1550115714,1550123110,1550799897; SERVERID=1fa1f330efedec1559b3abbcb6e30f50|1550799909|1550799898; Hm_lpvt_022f847c4e3acd44d4a2481d9187f1e6=1550799907',
  'Host': 'time.geekbang.org',
  'Origin': 'https://time.geekbang.org',
  'Referer': 'https://time.geekbang.org/',
  'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36'
};

ea8d9409e260530952458de7bf161e2.png

全部代码

import 'package:flutter/material.dart';
import 'package:dio/dio.dart';
import '../config/httpHeaders.dart';

class HomePage extends StatefulWidget {
  _HomePageState createState() => _HomePageState();
}


class _HomePageState extends State<HomePage>{

  TextEditingController typeController = TextEditingController();
  String showText = '欢迎你来到美好人间';


  @override
  Widget build(BuildContext context){
    return Container(

      child: Scaffold(
        appBar: AppBar(title: Text('9999'),),
        body: SingleChildScrollView(
          child: Container(
            height: 1000,
            child: Column(
              children: <Widget>[
                RaisedButton(
                  onPressed: _jike,
                  child: Text('请求数据'),
                ),
                Text(showText)
              ],
            ),
          ),
        )
      ),

    );
  }

  void _jike(){
    print('开始向极客时间请求数据..................');
    getHttp().then((val){
      setState(() {
        showText=val['data'].toString();
      });
    });
  }


  Future getHttp()async{
    try{
      Response response;
      Dio dio = new Dio();
      dio.options.headers = httpHeaders;
      response =await dio.get("https://time.geekbang.org/serv/v1/column/newAll");
      print(response);
      return response.data;
    }catch(e){
      return print(e);
    }
  }

}