flutter開發(fā)初探

youngboy_zhang

http: ^0.13.3

import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;
import 'dart:convert';


void GoToNext(){
    setState((){
      Navigator.push(context,MaterialPageRoute(buildercontext){
        return myTest();
      }),);
    });
  }

void sendHttp() async {
    var url = Uri.parse('');
    var response = await http.get(url);

   print('打印看看 body->${response.body}');

    var hh=json.decode(response.body);
    int iLen=hh['list'].length;
    for (Map i in hh['list'])
      {
        //Map ppp;
        //ppp=hh['list'][i];
        print(i['remarkName']);
        print(i['messageType']);
      }
    List fruits = ['apple', 'banana', 'orange'];
    fruits.forEach((fruit) {
      print('呢？是：$fruit');
    });
    int x=fruits.indexOf('apple');
    List numbers = [1, 2, 3, 4, 5];
    List evenNumbers = numbers.where((number) => number % 2 == 0).toList();
    print('原始數(shù)字列表：$numbers');
    print('偶數(shù)列表：$evenNumbers');
    String sPost;
    response = await http.post(Uri.parse("", body: {"name": "zhangyuebin", "job": "Worker"});
    print (response.body);
  }


    return Scaffold(
      appBar:AppBar(title:Text("另一個(gè)頁(yè)面",),
      body:Center(child: ListView(
            shrinkWrap: true,
            padding: const EdgeInsets.all(20.0),
            itemExtent:40,
            children: [
                const Text('day to you'),