修改登陆页面

lib/chatting_api.dart

@@ -3,14 +3,17 @@ import 'package:dio/dio.dart';
 
 Dio dio = new Dio();
 
-class ChattingApi{
+class ChattingApi {
-
+  //登陆提交
-
+  loginSubmit(String username,String password) async {
-
+    var result = await dio.get('');
+    return result.data;
+  }
 
   //获取通讯录列表
   getContactList(String id) async {
-    var result = await dio.get('http://www.liulongbin.top:3005/api/v2/movie/subject/$id');
+    var result = await dio
+        .get('http://www.liulongbin.top:3005/api/v2/movie/subject/$id');
     return result.data;
   }
 

lib/loading_page.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 
 /**
  * 首页 加载页
@@ -10,6 +11,27 @@ class LoadingPage extends StatefulWidget {
 
 class _LoadingPageState extends State<LoadingPage> {
 
+  //0 未登录 ,1 已登录
+
+  void initData() async {
+    final prefs = await SharedPreferences.getInstance(); //获取SP的实例
+    int loginStatus=prefs.getInt('loginStatus') ?? 0;
+    print(prefs.getInt('current_num'));
+    if(loginStatus == 0){
+      Navigator.of(context).pushReplacementNamed("login");
+    }else{
+      loginStatus=1;
+      Navigator.of(context).pushReplacementNamed("app");
+    }
+
+    /*prefs.setInt('current_num', 999); //存储数据
+    var currentNum = prefs.getInt('current_num') ?? 0; //读取数据，默认为0
+    print('读取数据 $currentNum');
+    prefs.remove('current_num');//删除数据
+    var delCurrentNum = prefs.getInt('current_num') ?? 0; //读取数据，默认为0
+    print('删除数据 $delCurrentNum');*/
+  }
+
   @override
   void initState() {
     super.initState();
@@ -17,8 +39,7 @@ class _LoadingPageState extends State<LoadingPage> {
     Future.delayed(Duration(seconds: 3),(){
       print("仿微信app页面正在加载中");
       //判断是否登录,如果没有登陆则跳转至登录页,如果登录则跳转至聊天页
-      Navigator.of(context).pushReplacementNamed("login");
+      initData();
-      //Navigator.of(context).pushReplacementNamed("app");
     });
   }
 

lib/login_page.dart

@@ -1,6 +1,7 @@
 import 'package:date_format/date_format.dart';
 import 'package:flutter/material.dart';
 import 'package:fluttertoast/fluttertoast.dart';
+import 'package:chatting/chatting_api.dart';
 
 class LoginPag extends StatefulWidget {
   @override
@@ -43,7 +44,8 @@ class _LoginPagState extends State<LoginPag> {
               height: 80,
             ),
             buildEditWidget(context),
-            buildLoginButton()
+            buildLoginButton(),
+
           ],
         ),
       ),
@@ -209,6 +211,7 @@ class _LoginPagState extends State<LoginPag> {
                 timeInSecForIos: 2,
                 textColor: Colors.white,
                 fontSize: 14.0);
+            return ChattingApi().loginSubmit(_userNameEditController.text, _pwdEditController.text);
           }
         },
         child: Text("登录"),

pubspec.lock

@@ -95,6 +95,11 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   flutter_webview_plugin:
     dependency: "direct main"
     description:
@@ -144,6 +149,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.4.0"
+  provider:
+    dependency: "direct main"
+    description:
+      name: provider
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.2.0"
   quiver:
     dependency: transitive
     description:
@@ -151,6 +163,34 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.3"
+  shared_preferences:
+    dependency: "direct main"
+    description:
+      name: shared_preferences
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.5.7+3"
+  shared_preferences_macos:
+    dependency: transitive
+    description:
+      name: shared_preferences_macos
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.0.1+10"
+  shared_preferences_platform_interface:
+    dependency: transitive
+    description:
+      name: shared_preferences_platform_interface
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.0.4"
+  shared_preferences_web:
+    dependency: transitive
+    description:
+      name: shared_preferences_web
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.1.2+7"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -221,3 +261,4 @@ packages:
     version: "3.6.1"
 sdks:
   dart: ">=2.7.0 <3.0.0"
+  flutter: ">=1.12.13+hotfix.5 <2.0.0"

pubspec.yaml

@@ -32,7 +32,8 @@ dependencies:
   date_format: ^1.0.4
   dio: ^1.0.9
   fluttertoast: ^3.0.3
-
+  provider: ^3.2.0
+  shared_preferences: ^0.5.7+3
 dev_dependencies:
   flutter_test:
     sdk: flutter