声明:这是学flutter的第一个应用,垃圾堆中的代码,

然后,大神请无视,如果作为flutter初学者,可以尝试看看

dependencies:flutter:sdk: flutterdio: ^3.0.9video_player: ^0.10.11+1http: ^0.12.1getflutter: ^1.0.11permission_handler: ^4.2.0fluttertoast: ^4.0.1path_provider: ^1.1.0

引入依赖

import 'dart:convert' as convert;
import 'dart:math';
import 'package:http/http.dart' as http;
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:dio/dio.dart';
import 'douyin.dart';
import 'httpHeaders.dart';
import 'package:permission_handler/permission_handler.dart';
import 'oplayer.dart';
import 'package:fluttertoast/fluttertoast.dart';

void main() {runApp(MaterialApp(debugShowCheckedModeBanner: false, home: HomePage()));
}//不显示debug

class HomePage extends StatefulWidget {_HomePageState createState() => _HomePageState();
}class _HomePageState extends State<HomePage> {String showText = '请输入网址';String vurl = '';bool hil = false;var _username = new TextEditingController();@overrideWidget build(BuildContext context) {var inputDecoration = InputDecoration(icon: Icon(Icons.mode_edit),hintText: "https://",);return Scaffold(appBar: AppBar(title: Text('抖音解析无水印'),),body: Container(alignment: Alignment.center,child: SingleChildScrollView(child: Column(children: <Widget>[Container(alignment: Alignment.center,child: Image.asset('asstes/52377818.png',fit: BoxFit.fill,width: 300,height: 400,)),TextField(decoration: inputDecoration,controller: _username,),RaisedButton(onPressed: () {_juejin(url: this._username.text);hil = true;},child: Text('解析1'),),RaisedButton(onPressed: () {pppo(this._username.text).then((val) {setState(() {if (val == 5) {showText = '解析失败!!!';vurl = '';} else {vurl = val['url'];//print(vurl);
//https://v.douyin.com/JJVsUkT//http://v.douyin.com/xGSE7PshowText = '解析完成';}});});hil = true;},child: Text('解析2'),),Text(showText),//vvcc(),//Text(showText),],),),));}vvcc() {if (showText == '请输入网址') {return Center();} else if (showText == '解析失败!!!') {return Text('1.网络信号差.\n2.输入有误\n3.解析失效');} else {if (vurl != '') {return IconButton(onPressed: () {//   Navigator.push(//       context, MaterialPageRoute(builder: (context) => DYixz(vurl)));// },Navigator.of(context).push(MaterialPageRoute(builder: (context)=>DYixz(vurl)));},icon: Icon(Icons.file_download, size: 46, color: Colors.red),);}else{return Center(child: CircularProgressIndicator(strokeWidth: 2.0),);}}}pppo(d) async {d = 'http://tool.bbkl.top/dyjx/ajax.php?act=dy&url=$d';try {var response = await http.get(d);if (response.statusCode == 200) {var jsonResponse = convert.jsonDecode(response.body);return jsonResponse;} else {return 5;}} catch (e) {print(e);return e;}}void _juejin({String url}) {//print('开始向极客时间请求数据..................');url = 'https://www.ppwit.com/dy/dy.php?url=$url';getVideos(url).then((val) {setState(() {String bbb = '&ratio=720p&line=0';if (val == 5) {showText = '解析失败!!!';vurl = '';} else {var pp = val.itemList[0].video.playaddr.uri;vurl = 'https://aweme.snssdk.com/aweme/v1/play/?video_id=$pp$bbb';//http://v.douyin.com/xGSE7PshowText = '解析完成';}});});}getVideos(v) async {try {var response = await http.get(v);if (response.statusCode == 200) {var jsonResponse = convert.jsonDecode(response.body);VideoData videoData = VideoData.fromJson(jsonResponse);if (videoData.statusCode == 5) {return videoData.statusCode;} else {return videoData;}}} catch (e) {return print(e);}}Future getHttp(url) async {try {Response response;Dio dio = new Dio();dio.options.headers = httpHeaders85;response = await dio.get(url);//print(response.toString());return response.data;} catch (e) {return print(e);}}
}//自定义组件
class DYixz extends StatefulWidget {final vurl;final dpz;DYixz(this.vurl, {this.dpz});@override_DYixzState createState() => _DYixzState();
}class _DYixzState extends State<DYixz> with SingleTickerProviderStateMixin {AnimationController controller;Animation<double> animation;Random numl = Random();List numo = [];var dpz;Color _colord;void initState() {_colord = Colors.white;numo.add(numl.nextInt(3000));numo.add(numl.nextInt(numo[0]));numo.add(numl.nextInt(numo[0]));dpz = widget.dpz ?? numo;super.initState();controller = AnimationController(duration: const Duration(milliseconds: 1200), vsync: this);//Curvedanimation弹性动画.非线性的animation = CurvedAnimation(parent: controller, curve: Curves.bounceIn)..addStatusListener((status) {if (status == AnimationStatus.completed) {//动画在结束时停止的状态controller.reverse(); //颠倒} else if (status == AnimationStatus.dismissed) {//动画在开始时就停止的状态//controller.forward(); //向前}})..addListener(() {setState(() {});});}@overridevoid dispose() {super.dispose();}@overrideWidget build(BuildContext context) {return Scaffold(body: Stack(children: <Widget>[Container(child: Oplayer(url: widget.vurl)),ScaleTransition(alignment: Alignment.center,scale: animation,child: Align(//alignment: Alignment.center,widthFactor: 100,heightFactor: 100,child: Icon(Icons.favorite, size: 200, color: Colors.red[400])),),Positioned(bottom: 20,right: 0,child: Container(margin: EdgeInsets.fromLTRB(0, 0, 15, 120),child: Column(children: <Widget>[Container(child: Column(children: <Widget>[IconButton(onPressed: () {setState(() {if (_colord == Colors.white) {_colord = Colors.red;//红心+1controller.forward();} else {_colord = Colors.white;}});},icon: Icon(Icons.favorite, size: 36, color: _colord),),Text('点一下',style: TextStyle(fontSize: 15,color: Colors.white,decoration: TextDecoration.none),)])),SizedBox(height: 10),Container(child: Column(children: <Widget>[IconButton(onPressed: () {//downloading(widget.vurl);Navigator.of(context).pushReplacement(MaterialPageRoute(builder: (context)=>Pdownloading(widget.vurl)));},icon: Icon(Icons.file_download, size: 36, color: _colord),),Text('down',style: TextStyle(fontSize: 15,color: Colors.white,decoration: TextDecoration.none),),]),),SizedBox(height: 10),Container(child: Column(children: <Widget>[IconButton(onPressed: () {Navigator.push(context,MaterialPageRoute(builder: (context) => HomePage()));},icon: Icon(Icons.near_me, size: 36, color: _colord),),Text('返回',style: TextStyle(fontSize: 15,color: Colors.white,decoration: TextDecoration.none),),])),])))]));}
}class Pdownloading extends StatefulWidget {final cvv;Pdownloading(this.cvv);@override_PdownloadingState createState() => _PdownloadingState();
}class _PdownloadingState extends State<Pdownloading> {Random numl = Random();double currentProgress = 0.0;///下载文件的网络路径var nu;String vvvd;@overridevoid initState() {super.initState();nu = numl.nextInt(300000000)..toString();applyPermission();}//_requestPermissions();@overridevoid dispose() {super.dispose();}@overrideWidget build(BuildContext context) {return Center(child: Scaffold(body: Container(alignment: Alignment.center,child: (currentProgress == 0.0)? Container(child:Column(mainAxisSize: MainAxisSize.min, children: [Text('正在初始化...'),RaisedButton(onPressed: () {Navigator.of(context).pushReplacement(MaterialPageRoute(builder: (context)=>HomePage()));},child: Text('取消'),),Text('如果下载不成功,\n1请检查网络状态\2软件权限不足,\n请打开手机设置中的应用管理,\n权限管理,\n允许软件读写权限\n然后重启本软件,即可下载保存\n视频默认保存路径在Download中')])): Container(child:Column(mainAxisSize: MainAxisSize.min, children: [Text('正在下载'),Text(vvvd),RaisedButton(onPressed: () {Navigator.pushAndRemoveUntil(context,MaterialPageRoute(builder: (BuildContext context) {return HomePage();}), (route) => false);},child: Text('完成'),),Text('如果下载不成功,\n1请检查网络状态\2软件权限不足,\n请打开手机设置中的应用管理,\n权限管理,\n允许软件读写权限\n然后重启本软件,即可下载保存\n视频默认保存路径在Download中')])))));}//动态申请权限
Future applyPermission({String atcUrl, String atcName, BuildContext context}) async {
//    只有当用户同时点选了拒绝开启权限和不再提醒后才会truebool isSHow = await PermissionHandler().shouldShowRequestPermissionRationale(PermissionGroup.storage);// 申请结果  权限检测PermissionStatus permission = await PermissionHandler().checkPermissionStatus(PermissionGroup.storage);if (permission != PermissionStatus.granted) {//权限没允许//如果弹框不在出现了，那就跳转到设置页。//如果弹框还能出现，那就不用管了，申请权限就行了if (!isSHow) {await PermissionHandler().openAppSettings();} else {await PermissionHandler().requestPermissions([PermissionGroup.storage]);//此时要在检测一遍，如果允许了就下载。//没允许就就提示。PermissionStatus pp = await PermissionHandler().checkPermissionStatus(PermissionGroup.storage);if (pp == PermissionStatus.granted) {//去下载吧downApkFunction();} else {// 参数1：提示消息// 参数2：提示消息多久后自动隐藏// 参数3：位置Fluttertoast.showToast(msg: "请允许存储权限，并重试！",toastLength: Toast.LENGTH_SHORT,webBgColor: "#e74c3c",timeInSecForIosWeb: 5,);}}} else {//权限允许了，那就下载吧、downApkFunction();}}///使用dio 下载文件void downApkFunction() async {/// 申请写文件权限///创建DIODio dio = new Dio();//设置连接超时时间dio.options.connectTimeout = 500000;//设置数据接收超时时间dio.options.receiveTimeout = 500000;///参数一 文件的网络URL///参数二 下载的本地目录文件///参数三 下载监听try{ Response response = await dio.download(widget.cvv, "/storage/emulated/0/Download/$nu.mp4",onReceiveProgress: (received, total) {if (total != -1) {///当前下载的百分比例setState(() {vvvd = (received / total * 100).toStringAsFixed(0) + "%";// CircularProgressIndicator(value: currentProgress,) 进度 0-1currentProgress = received / total;});}});if (response.statusCode == 200) {print('正在下载...');}}catch(e){Response response = await dio.download(widget.cvv, "$nu.mp4",onReceiveProgress: (received, total) {if (total != -1) {///当前下载的百分比例setState(() {vvvd = (received / total * 100).toStringAsFixed(0) + "%";// CircularProgressIndicator(value: currentProgress,) 进度 0-1currentProgress = received / total;});}});if (response.statusCode == 200) {print('正在下载...');}}///获取手机的存储目录路径///getExternalStorageDirectory() 获取的是  android 的外部存储 （External Storage）///  getApplicationDocumentsDirectory 获取的是 ios 的Documents` or `Downloads` 目录}
//http://v.douyin.com/xGSE7P
}

解析接口直接用吧,不用重复造轮子

如果有兴趣的伙伴,可以将代码精简和优化,然后@我一份,

打包测试https://w333.lanzous.com/iyoHad8wd0b

,然后发现有几个问题,一解析后不重置,

而动态申请下载权限,只是进入应用管理页,并不是弹出授权页

好了,如果,你有好的建议,请@我

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flutter 抖音无水印解析视频

声明:这是学flutter的第一个应用,垃圾堆中的代码,

然后,大神请无视,如果作为flutter初学者,可以尝试看看

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