import 'package:dio/dio.dart'; import 'package:flutter/material.dart'; import 'package:flutter_go/blocs/bak/search_api.dart'; class UpdatePage extends StatefulWidget { @override _UpdatePageState createState() => _UpdatePageState(); } class _UpdatePageState extends State { @override Widget build(BuildContext context) { return Column( children: [ Center( child: Text("现在是1.0.0", textAlign: TextAlign.center, style: TextStyle(fontSize: 20)), ), Center( child: FlatButton( onPressed: () { print("点击"); _UpdatePageNet(); }, child: Text( "点击获取新版本", style: TextStyle(color: Colors.white), ), color: Colors.red[800], ), ) ], ); } Future _UpdatePageNet() async { Response response = await dio.get("https://github.com/alibaba/flutter-go/raw/master/FlutterGo.apk"); print("=====response============="+response.data); } }