Expanded(child:ConstrainedBox(constraints: BoxConstraints(maxHeight: 40,),child: TextField(decoration: InputDecoration(contentPadding: EdgeInsets.fromLTRB(10,

Expanded(child:ConstrainedBox(constraints: BoxConstraints(maxHeight: 40,),child:...

import 'package:flutter/material.dart';import 'package:jifeng/widget/my_appbar.dart';class HomePage extends StatefulWidget {@override_HomePageState createState() => _HomePageState();}cla...

Container(margin: EdgeInsets.symmetric(horizontal: 30),decoration: BoxDecoration(image: DecorationImage(image: ImageUtil.getAssetImage('mall/mall_bg_timebg@3x',),fit: BoxFit.fill,),),

1、mian.dartimport 'package:flutter/material.dart';import 'package:jifeng/my_app.dart';import './my_app.dart';void main() => runApp(MyApp());2、my_app.dartimport 'package:flutter/cupertino.dar...

一、安装与使用npm install -g @tarojs/cli或者yarn global add @tarojs/cli(yarn安装方式：npm install -g yarn )创建项目taro init myApp微信小程序（https://www.jianshu.com/p/aaafa486cf63 taro，从入门到放弃---小程序篇）# yarn$ yarn dev...

import 'package:flutter/cupertino.dart';import 'package:flutter/material.dart';import 'package:jifeng/view/about_page.dart';import 'package:jifeng/view/back_page.dart';import 'package:jifeng/view/...

秉承着看得懂就看看不懂就问的原则，直接上代码import 'package:chewie/chewie.dart';import 'package:connectivity/connectivity.dart';import 'package:flutter/cupertino.dart';import 'package:flutter/material.dart';import 'pa...

秉承着看得懂就看看不懂就问的原则，直接上代码import 'package:chewie/chewie.dart';import 'package:connectivity/connectivity.dart';import 'package:flutter/cupertino.dart';import 'package:flutter/material.dart';import 'package

void _timeFunc(time){var _newDate = DateTime.now();const period = const Duration(seconds: 1);print(time);var _diffDate = DateTime.parse(time.toString());_timerIndex = Timer.periodic(period, (timer) {/