登陆

lib/api/api.dart

@@ -1,5 +1,9 @@
 class Api{
   static const String BASE_URL = 'http://127.0.0.1:6001/';
 
-  static const String DO_LOGIN = BASE_URL+'doLogin';
+  static const String DO_LOGIN = BASE_URL+'doLogin';//登陆
+
+  static const String CHECK_LOGIN = BASE_URL+'checkLogin';//验证登陆
+  
+  static const String LOGOUT = BASE_URL+'logout';//退出登陆
 }

lib/main.dart

@@ -10,13 +10,15 @@ import 'package:flutter_go/views/home.dart';
 import 'package:flutter_go/model/search_history.dart';
 import 'package:flutter_go/utils/analytics.dart' as Analytics;
 import 'package:flutter_go/views/login_page/login_page.dart';
+import 'package:flutter_go/utils/data_utils.dart';
+
 //import 'views/welcome_page/index.dart';
 
 const int ThemeColor = 0xFFC91B3A;
 SpUtil sp;
 var db;
 
-class MyApp extends StatelessWidget {
+class MyApp extends StatefulWidget {
   MyApp() {
     final router = new Router();
 
@@ -24,17 +26,33 @@ class MyApp extends StatelessWidget {
 
     Application.router = router;
   }
+
+  @override
+  _MyAppState createState() => _MyAppState();
+}
+
+class _MyAppState extends State<MyApp> {
+  bool _hasLogin = false;
+
+  @override
+  void initState() {
+    super.initState();
+    DataUtils.checkLogin().then((hasLogin) {
+      setState(() {
+        _hasLogin = hasLogin;
+      });
+    });
+  }
+
   showWelcomePage() {
     // 暂时关掉欢迎介绍
-    // return AppPage();
+    if (_hasLogin) {
+      return AppPage();
+    } else {
       return LoginPage();
-//    bool showWelcome = sp.getBool(SharedPreferencesKeys.showWelcome);
-//    if (showWelcome == null || showWelcome == true) {
-//      return WelcomePage();
-//    } else {
-//      return AppPage();
-//    }
     }
+  }
+
   @override
   Widget build(BuildContext context) {
     return new MaterialApp(
@@ -52,9 +70,7 @@ class MyApp extends StatelessWidget {
           size: 35.0,
         ),
       ),
-      home: new Scaffold(
-        body: showWelcomePage()
-      ),
+      home: new Scaffold(body: showWelcomePage()),
       debugShowCheckedModeBanner: false,
       onGenerateRoute: Application.router.generator,
       navigatorObservers: <NavigatorObserver>[Analytics.observer],
@@ -62,7 +78,6 @@ class MyApp extends StatelessWidget {
   }
 }
 
-
 void main() async {
   final provider = new Provider();
   await provider.init(true);

lib/model/user_info.dart

@@ -16,8 +16,8 @@ class UserInfo {
   factory UserInfo.fromJson(Map<String, dynamic> json) {
     return UserInfo(
         avatarPic: json['avatar_pic'],
-        id: json['id'],
-        username: json['username'],
+        id: int.parse(json['id']),
+        username: json['name'],
         themeColor: json['theme_color'],
         urlName: json['url_name']);
   }

lib/model/user_info_cache.dart

@@ -0,0 +1,62 @@
+/// @Author: 一凨 
+/// @Date: 2019-01-07 16:24:42 
+/// @Last Modified by: 一凨
+/// @Last Modified time: 2019-01-08 17:37:42
+
+import 'dart:async';
+
+import 'package:flutter_go/utils/sql.dart';
+
+abstract class UserInfoInterface {
+  String get username;
+  String get password;
+}
+
+class UserInfo implements UserInfoInterface {
+  String username;
+  String password;
+
+  UserInfo({this.username, this.password});
+
+  factory UserInfo.fromJSON(Map json){
+    return UserInfo(username: json['username'],password: json['password']);
+  }
+
+  Object toMap() {
+    return {'username': username, 'password': password};
+  }
+}
+
+class UserInfoControlModel {
+  final String table = 'userInfo';
+  Sql sql;
+
+  UserInfoControlModel() {
+    sql = Sql.setTable(table);
+  }
+
+  // 获取所有的收藏
+
+  // 插入新的缓存
+  Future insert(UserInfo userInfo) {
+    var result =
+        sql.insert({'username': userInfo.username, 'password': userInfo.password});
+    return result;
+  }
+
+  // 获取用户信息
+  Future<List<UserInfo>> getAllInfo() async {
+    List list = await sql.getByCondition();
+    List<UserInfo> resultList = [];
+    list.forEach((item){
+      print(item);
+      resultList.add(UserInfo.fromJSON(item));
+    });
+    return resultList;
+  }
+
+  // 清空表中数据
+  Future deleteAll() async{
+    return await sql.deleteAll();
+  }
+}

lib/utils/data_utils.dart

@@ -9,8 +9,22 @@ class DataUtils{
   // 登陆获取用户信息
   static Future<UserInfo> doLogin(Map<String,String> params) async{
     var response = await NetUtils.post(Api.DO_LOGIN, params);
-    print('url:${Api.DO_LOGIN}  $response');
     UserInfo userInfo = UserInfo.fromJson(response['data']);
     return userInfo;
   }
+
+  // 验证登陆
+
+  static Future<bool> checkLogin() async{
+    var response = await NetUtils.get(Api.CHECK_LOGIN);
+    print('验证登陆：$response');
+    return response['success'];
+  }
+
+  // 退出登陆
+    static Future<bool> logout() async{
+    var response = await NetUtils.get(Api.LOGOUT);
+    print('退出登陆 $response');
+    return response['success'];
+  }
 }

lib/utils/net_utils.dart

@@ -7,8 +7,14 @@ var dio = new Dio();
 
 class NetUtils {
   
-  static Future get(String url,{Map<String,dynamic> params}) async{
-     var response = await dio.get(url, data: params);
+  static Future get(String url,[Map<String,dynamic> params]) async{
+    var response;
+    if(params != null){
+      response = await dio.get(url, data: params);
+    }else{
+      response = await dio.get(url);
+    }
+      
     return  response.data;
   }
 

lib/utils/sql.dart

@@ -1,4 +1,4 @@
-import 'dart:async';
+
 
 import 'package:sqflite/sqflite.dart';
 
@@ -31,6 +31,10 @@ class Sql extends BaseModel {
     return await this.db.delete(tableName,where:'$key = ?',whereArgs:[value]);
   }
 
+  Future<int> deleteAll() async{
+    return await this.db.delete(tableName);
+  }
+
   Future<List> getByCondition({Map<dynamic, dynamic> conditions}) async {
     if (conditions == null || conditions.isEmpty) {
       return this.get();

lib/views/first_page/first_page.dart

@@ -57,7 +57,7 @@ class FirstPageState extends State<FirstPage> with AutomaticKeepAliveClientMixin
     var  pageTotal = 0;
 
     try{
-      var response = await NetUtils.get(juejin_flutter, params: _param);
+      var response = await NetUtils.get(juejin_flutter, _param);
       responseList = response['d']['entrylist'];
       pageTotal = response['d']['total'];
       if (!(pageTotal is int) || pageTotal <= 0) {

lib/views/first_page/sub_page.dart

@@ -57,7 +57,7 @@ class SubPageState extends State<SubPage> with AutomaticKeepAliveClientMixin{
     var  pageTotal = 0;
 
     try{
-      var response = await NetUtils.get(juejin_flutter, params: _param);
+      var response = await NetUtils.get(juejin_flutter, _param);
       responseList = response['d']['entrylist'];
       pageTotal = response['d']['total'];
       if (!(pageTotal is int) || pageTotal <= 0) {

lib/views/login_page/login_page.dart

@@ -1,6 +1,9 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_spinkit/flutter_spinkit.dart';
 import 'package:flutter_go/utils/data_utils.dart';
+import 'package:flutter_go/views/home.dart';
+
+import 'package:flutter_go/model/user_info_cache.dart';
 
 class LoginPage extends StatefulWidget {
   @override
@@ -12,14 +15,40 @@ class _LoginPageState extends State<LoginPage> {
   FocusNode _emailFocusNode = new FocusNode();
   FocusNode _passwordFocusNode = new FocusNode();
   FocusScopeNode _focusScopeNode = new FocusScopeNode();
+  UserInfoControlModel _userInfoControlModel = new UserInfoControlModel();
 
   GlobalKey<FormState> _signInFormKey = new GlobalKey();
+  TextEditingController _userNameEditingController =
+      new TextEditingController();
+  TextEditingController _passwordEditingController =
+      new TextEditingController();
 
   bool isShowPassWord = false;
   String username = '';
   String password = '';
   bool isLoading = false;
 
+  @override
+  void initState() {
+    super.initState();
+    try {
+      _userInfoControlModel.getAllInfo().then((list) {
+        if (list.length > 0) {
+          UserInfo _userInfo = list[0];
+          print('获取的数据：${_userInfo.username} ${_userInfo.password}');
+          setState(() {
+            _userNameEditingController.text = _userInfo.username;
+            _passwordEditingController.text = _userInfo.password;
+            username = _userInfo.username;
+            password = _userInfo.password;
+          });
+        }
+      });
+    } catch (err) {
+      print('读取用户本地存储的用户信息出错 $err');
+    }
+  }
+
 // 创建登录界面的TextForm
   Widget buildSignInTextForm() {
     return new Container(
@@ -39,6 +68,7 @@ class _LoginPageState extends State<LoginPage> {
                 padding: const EdgeInsets.only(
                     left: 25, right: 25, top: 20, bottom: 20),
                 child: new TextFormField(
+                  controller: _userNameEditingController,
                   //关联焦点
                   focusNode: _emailFocusNode,
                   onEditingComplete: () {
@@ -79,6 +109,7 @@ class _LoginPageState extends State<LoginPage> {
               child: Padding(
                 padding: const EdgeInsets.only(left: 25, right: 25, top: 20),
                 child: new TextFormField(
+                  controller: _passwordEditingController,
                   focusNode: _passwordFocusNode,
                   decoration: new InputDecoration(
                     icon: new Icon(
@@ -153,11 +184,28 @@ class _LoginPageState extends State<LoginPage> {
     setState(() {
       isLoading = true;
     });
-    DataUtils.doLogin({'username':username,'password':password}).then((result){
-      print(result.username);
+    DataUtils.doLogin({'username': username, 'password': password})
+        .then((result) {
       setState(() {
         isLoading = false;
       });
+      try {
+        _userInfoControlModel.deleteAll().then((result) {
+          // print('删除结果：$result');
+          _userInfoControlModel
+              .insert(UserInfo(password: password, username: username))
+              .then((value) {
+            // print('存储成功:$value');
+            Navigator.of(context).pushAndRemoveUntil(
+                new MaterialPageRoute(builder: (context) => AppPage()),
+                (route) => route == null);
+          });
+        });
+      } catch (err) {
+        Navigator.of(context).pushAndRemoveUntil(
+            new MaterialPageRoute(builder: (context) => AppPage()),
+            (route) => route == null);
+      }
     }).catchError((onError) {
       print(onError);
       setState(() {