import 'dart:convert';

import 'package:dio/dio.dart';

import 'package:flutter/material.dart';

import 'package:flutter_jdshop/config/Config.dart';

import 'package:flutter_jdshop/pages/tabs/Tabs.dart';

import 'package:flutter_jdshop/services/ScreenAdapter.dart';

import 'package:flutter_jdshop/services/Storage.dart';

import 'package:flutter_jdshop/widget/JdButton.dart';

import 'package:fluttertoast/fluttertoast.dart';

import '../widget/JdText.dart';

import '../widget/JdText.dart';

import '../services/EventBus.dart';

class LoginPage extends StatefulWidget {

  LoginPage({Key key}) : super(key: key);

  _LoginPageState createState() => _LoginPageState();

}

class _LoginPageState extends State<LoginPage> {

  //监听登录页面销毁的事件：

  dispose(){

    super.dispose();

    eventBus.fire(new UserEvent("登录成功..."));

  }

  String username = "";

  String password = '';

  doLogin() async {

    RegExp reg = new RegExp(r"^1\d{10}$");

    if (!reg.hasMatch(this.username)) {

      Fluttertoast.showToast(

          msg: "手机号格式不正确",

          toastLength: Toast.LENGTH_SHORT,

          gravity: ToastGravity.CENTER);

    } else if (password.length < ) {

      Fluttertoast.showToast(

          msg: "密码不正确",

          toastLength: Toast.LENGTH_SHORT,

          gravity: ToastGravity.CENTER);

    } else {

      var api = "${Config.domain}api/doLogin";

      var response = await Dio().post(api,

          data: {"username": this.username, "password": this.password});

      if (response.data["success"]) {

        print(response);

        //保存信息，

        Storage.setString('userInfo',json.encode(response.data["userinfo"]));

       Navigator.pop(context);

      } else {

        Fluttertoast.showToast(

          msg: "${response.data["message"]}",

          toastLength: Toast.LENGTH_SHORT,

          gravity: ToastGravity.CENTER,

        );

      }

    }

  }

  @override

  Widget build(BuildContext context) {

    return Scaffold(

      appBar: AppBar(

        leading: IconButton(

          icon: Icon(Icons.close),

          onPressed: () {

            Navigator.pop(context);

          },

        ),

        title: Text('登录页面'),

        actions: <Widget>[

          FlatButton(

            child: Text('客服'),

            onPressed: () {},

          )

        ],

      ),

      body: Container(

        padding: EdgeInsets.all(ScreenAdapter.width()),

        child: ListView(

          children: <Widget>[

            Center(

              child: Container(

                margin: EdgeInsets.only(top: ),

                height: ScreenAdapter.width(),

                width: ScreenAdapter.width(),

                child: Image.asset('images/login.png',fit: BoxFit.cover),

                // child: Image.network(

                //     'https://www.iting.com/images/flutter/list5.jpg'),

              ),

            ),

            JdText(

              text: "请输入用户名",

              onChanged: (value) {

                print(value);

                this.username = value;

              },

            ),

            SizedBox(height: ),

            JdText(

              text: "请输入密码",

              password: true,

              onChanged: (value) {

                print(value);

                this.password = value;

              },

            ),

            SizedBox(height: ),

            Container(

              padding: EdgeInsets.all(ScreenAdapter.width()),

              child: Stack(

                children: <Widget>[

                  Align(

                    alignment: Alignment.centerLeft,

                    child: Text("忘记密码"),

                  ),

                  Align(

                    alignment: Alignment.centerRight,

                    child: InkWell(

                      onTap: () {

                        Navigator.pushNamed(context, '/RegisterFirst');

                      },

                      child: Text("新用户注册"),

                    ),

                  )

                ],

              ),

            ),

            SizedBox(height: ),

            JdButton(

              text: "登录",

              color: Colors.red,

              cb: doLogin,

            )

          ],

        ),

      ),

    );

  }

}

import 'package:flutter/material.dart';

import 'package:flutter_jdshop/services/ScreenAdapter.dart';

import 'package:flutter_jdshop/services/Storage.dart';

import 'package:flutter_jdshop/services/UserServices.dart';

import 'package:flutter_jdshop/widget/JdButton.dart';

import '../../services/EventBus.dart';

class UserPage extends StatefulWidget {

  UserPage({Key key}) : super(key: key);

  _UserPageState createState() => _UserPageState();

}

class _UserPageState extends State<UserPage> {

  bool isLogin = false;

  List userInfo = [];

  @override

  void initState() {

    // TODO: implement initState

    super.initState();

    this._getUserinfo();

    //监听登录页面改变的事件：

    eventBus.on<UserEvent>().listen((event) {

      print(event.str);

      this._getUserinfo();

    });

  }

  _getUserinfo() async {

    var isLogin = await UserServices.getUserLoginState();

    var userInfo = await UserServices.getUserInfo();

    print(userInfo);

    print(isLogin);

    setState(() {

      this.userInfo = userInfo;

      this.isLogin = isLogin;

    });

  }

  @override

  Widget build(BuildContext context) {

    return Scaffold(

      appBar: AppBar(

        title: Text("用户中心"),

      ),

      body: ListView(

        children: <Widget>[

          Container(

            height: ScreenAdapter.height(),

            width: double.infinity,

            decoration: BoxDecoration(

                image: DecorationImage(

                    image: AssetImage('images/user_bg.jpg'),

                    fit: BoxFit.cover)),

            child: Row(

              children: <Widget>[

                Container(

                  margin: EdgeInsets.fromLTRB(, , , ),

                  child: ClipOval(

                    child: Image.asset(

                      'images/user.png',

                      fit: BoxFit.cover,

                      width: ScreenAdapter.width(),

                      height: ScreenAdapter.width(),

                    ),

                  ),

                ),

                !this.isLogin

                    ? Expanded(

                        flex: ,

                        child: InkWell(

                          onTap: () {

                            Navigator.pushNamed(context, '/login');

                          },

                          child: Text('登录/注册',

                              style: TextStyle(color: Colors.white)),

                        ),

                      )

                    : Expanded(

                        flex: ,

                        child: Column(

                          mainAxisAlignment: MainAxisAlignment.center,

                          crossAxisAlignment: CrossAxisAlignment.start,

                          children: <Widget>[

                            Text("用户名:${this.userInfo[0]["username"]}",

                                style: TextStyle(

                                    color: Colors.white,

                                    fontSize: ScreenAdapter.size())),

                            Text("普通会员",

                                style: TextStyle(

                                    color: Colors.white,

                                    fontSize: ScreenAdapter.size()))

                          ],

                        ),

                      ),

              ],

            ),

          ),

          ListTile(

              leading: Icon(Icons.home, color: Colors.red), title: Text('首页')),

          Divider(),

          ListTile(leading: Icon(Icons.home), title: Text('首页')),

          ListTile(leading: Icon(Icons.home), title: Text('首页')),

          ListTile(leading: Icon(Icons.home), title: Text('首页')),

          this.isLogin

              ? Container(

                padding: EdgeInsets.all(),

                  child: JdButton(

                    color: Colors.red,

                    text: "退出登录",

                    cb: () {

                      UserServices.loginOut();

                      this._getUserinfo();

                    },

                  ),

                )

              : Text("")

        ],

      ),

    );

  }

}

import 'package:event_bus/event_bus.dart';

//Bus 初始化 

EventBus eventBus = EventBus();

//商品详情广播数据：

class ProductContentEvent{

  String str;

  ProductContentEvent(String str){

    this.str=str;

  }

}

//用户中心广播：

class UserEvent{

  String str;

  UserEvent(String str){

    this.str=str;

  }

}

import 'dart:convert';

import '../services/Storage.dart';

class UserServices {

  static getUserInfo() async {

    List userinfo;

    try {

      List userInfoData = json.decode(await Storage.getString("userInfo"));

      userinfo = userInfoData;

    } catch (e) {

      userinfo = [];

    }

    return userinfo;

  }

  static getUserLoginState() async{

    var userInfo =await UserServices.getUserInfo();

    if (userInfo.length >  && userInfo[]['username'] != "") {

      return true;

    }

    return false;

  }

  static loginOut() {

    Storage.remove("userInfo");

  }

}

import 'dart:convert';

import 'package:dio/dio.dart';

import 'package:flutter/material.dart';

import 'package:flutter_jdshop/config/Config.dart';

import 'package:flutter_jdshop/widget/JdButton.dart';

import 'package:flutter_jdshop/widget/JdText.dart';

import 'package:fluttertoast/fluttertoast.dart';

import '../services/Storage.dart';

//引入Tabs:

import '../pages/tabs/Tabs.dart';

class RegisterThirdPage extends StatefulWidget {

  Map arguments;

  RegisterThirdPage({Key key, this.arguments}) : super(key: key);

  _RegisterThirdPageState createState() => _RegisterThirdPageState();

}

class _RegisterThirdPageState extends State<RegisterThirdPage> {

  String tel;

  String code;

  String password='';

  String rpassword='';

  @override

  void initState() {

    // TODO: implement initState

    super.initState();

    this.tel = widget.arguments["tel"];

    this.code = widget.arguments["code"];

  }

  //注册：

  doRegister() async {

    if (password.length < ) {

      Fluttertoast.showToast(

        msg: "密码长度不能小于6位",

        toastLength: Toast.LENGTH_SHORT,

        gravity: ToastGravity.CENTER,

      );

    } else if (password != rpassword) {

        Fluttertoast.showToast(

          msg: "密码和确认密码不一致",

          toastLength: Toast.LENGTH_SHORT,

          gravity: ToastGravity.CENTER,

        );

    }else{

       var api = '${Config.domain}api/register';

      var responses = await Dio().post(api, data: {

        "tel": this.tel,

        "code": this.code,

        "password": this.password

      });

      if (responses.data["success"]) {

        //保存信息，

        Storage.setString('userInfo',json.encode(responses.data['userinfo']) );

        //返回到根：

        Navigator.of(context).pushAndRemoveUntil(

          new MaterialPageRoute(builder: (context)=>new Tabs()),

          (route)=>route==null);

      } else {

        Fluttertoast.showToast(

          msg: "${responses.data["message"]}",

          toastLength: Toast.LENGTH_SHORT,

          gravity: ToastGravity.CENTER,

        );

      }

    }

  }

  @override

  Widget build(BuildContext context) {

    return Scaffold(

      appBar: AppBar(

        title: Text('用户注册-第三步'),

      ),

      body: Container(

        padding: EdgeInsets.all(),

        child: ListView(

          children: <Widget>[

            SizedBox(height: ),

            JdText(

              text: "请输入密码",

              password: true,

              onChanged: (value) {

                this.password=value;

                print(value);

              },

            ),

            SizedBox(height: ),

            JdText(

              text: "请输入确认密码",

              password: true,

              onChanged: (value) {

                this.rpassword=value;

                print(value);

              },

            ),

            SizedBox(height: ),

            JdButton(

              text: "注册",

              color: Colors.red,

              cb: doRegister,

            )

          ],

        ),

      ),

    );

  }

}

//