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import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:hyzp_ybqx/components/UserAuthority.dart';
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import '../../components/commonFun.dart';
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import '../../widget/JdText.dart';
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import '../../widget/JdButton.dart';
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import '../../config/Config.dart';
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import 'package:dio/dio.dart';
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import 'package:fluttertoast/fluttertoast.dart';
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import '../../services/Storage.dart';
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import 'dart:convert';
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import '../../components/EncryptUtil.dart';
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import '../../services/EventBus.dart';
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import '../../config/service_url.dart';
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import 'package:flutter_screenutil/flutter_screenutil.dart';
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class LoginByName extends StatefulWidget {
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LoginByName({Key key}) : super(key: key);
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_LoginPageState createState() => _LoginPageState();
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}
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class _LoginPageState extends State<LoginByName> {
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//监听登录页面销毁的事件
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dispose() {
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super.dispose();
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eventBus.fire(new UserEvent('登录成功...'));
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}
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bool bRemmberPW = false;
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@override
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void initState() {
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super.initState();
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// g_userInfo.username = 'the_user_03';
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// g_userInfo.password = '123456';
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// g_userInfo.password = 'ybhb1234';
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g_userInfo.username = '';
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g_userInfo.password = '';
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doInit();
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}
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doInit() async {
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bRemmberPW = await Storage.getBool('bRemmberPW');
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bRemmberPW = (null == bRemmberPW) ? false : bRemmberPW;
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print('bRemmberPW = $bRemmberPW');
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if (bRemmberPW) {
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//取出后需解密
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g_userInfo.username = await Storage.getString('username');
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g_userInfo.username = EncryptUtil.aesDecode(g_userInfo.username);
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g_userInfo.password = await Storage.getString('password');
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g_userInfo.password = EncryptUtil.aesDecode(g_userInfo.password);
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}
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setState(() {});
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}
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doLogin() async {
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//测试用，临时绕过登录处理
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// Navigator.pushNamed(context, '/tabs', arguments: g_iIndex);
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// return;
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if (bRemmberPW) {
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Storage.setBool('bRemmberPW', bRemmberPW);
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//加密保存
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Storage.setString('username', EncryptUtil.aesEncode(g_userInfo.username));
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Storage.setString('password', EncryptUtil.aesEncode(g_userInfo.password));
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} else {
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Storage.remove('username');
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Storage.remove('password');
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}
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var api = ServicePath.loginUrl;
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print(api);
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try {
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print('开始处理登录请求...');
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print('username = ${g_userInfo.username}');
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print('password = ${g_userInfo.password}');
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Response response;
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Dio dio = Dio();
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String random = RandomBit(6); //flutter （dart）生成N位随机数
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response = await dio.post(api, data: {
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"username": g_userInfo.username,
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"password": g_userInfo.password,
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"sign": GenerateMd5(APPkey + random),
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"random": random,
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});
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print('response = ${response.toString()}');
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//I/flutter ( 5242): {"ret":200,"data":{"is_login":true,"user_id":3,"token":"32EE57A0109A3D1D6590CFD3DEBA71820F77AB654093C1DE750347C88D1A41CF"},"msg":""}
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if (response.statusCode == 200) {
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// Storage.setString('userInfo', json.encode(response.data["userinfo"]));
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// //Navigator.pop(context);
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// Navigator.pushNamed(context, '/tabs', arguments: g_iIndex);
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//print('response.data["data"]["is_login"] = ${response.data["data"]["is_login"]}');
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//I/flutter ( 5242): response.data["data"]["is_login"] = true
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//{
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// "ret": 200,
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// "data": {
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// "is_login": true,
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// "user_id": 1,
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// "token": "B93EC91FA2FE293B7077162D4527FC4BB228CD6C0A4F24A882B9A8BBE6C3FB47"
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// },
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// "msg": ""
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// }
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print('response = ${response}');
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//response = {"ret":406,"data":{},"msg":"非法请求：签名错误"}
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if (true == response.data["data"]["is_login"]) {
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print('登录成功');
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print('response.data = ${response.data}');
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//保存用户信息
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Storage.setString('userInfo', json.encode(response.data["data"]));
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g_userInfo.setUserInfo(theMapUserInfoRet: await getMapFromJson(response.data));
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//获取用户所属分组和相应权限
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getUserGroupAll().then((value) {
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//Navigator.pop(context);
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Navigator.pushNamed(context, '/tabs', arguments: g_iIndex);
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});
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} else {
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print('登录失败：${response.data["data"]}');
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Fluttertoast.showToast(
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msg: '登录失败：用户名或密码不正确。}',
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toastLength: Toast.LENGTH_LONG,
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gravity: ToastGravity.BOTTOM,
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);
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print('登录失败：${response.data["data"]}');
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}
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print('登录过程正常完成');
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} else {
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throw Exception('后端接口出现异常，请检测代码和服务器情况.........');
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}
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} catch (e) {
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print('登录过程异常...');
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print('ERROR:======>${e}');
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Fluttertoast.showToast(
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msg: 'ERROR:======>${e}',
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toastLength: Toast.LENGTH_SHORT,
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gravity: ToastGravity.CENTER,
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);
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}
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return;
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}
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@override
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Widget build(BuildContext context) {
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//FocusScope.of(context).requestFocus(FocusNode());
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//FocusScope.of(context).unfocus();
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return Scaffold(
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body: Container(
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padding: EdgeInsets.only(top: 20, bottom: 20, left: 20, right: 20),
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child: ListView(
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children: <Widget>[
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Center(
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child: Container(
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margin: EdgeInsets.only(top: 30),
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height: ScreenUtil().setWidth(160),
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width: ScreenUtil().setWidth(160),
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//child: Image.asset('assets/images/user.png', fit: BoxFit.cover),
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child: Image.asset('assets/images/ybsthbj.png', fit: BoxFit.fitHeight),
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// child: Image.network(
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// 'https://www.itying.com/images/flutter/list5.jpg',
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// fit: BoxFit.cover),
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),
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),
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SizedBox(height: 30),
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JdText(
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height: ScreenUtil().setHeight(300),
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title: '账号：',
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text: "请输入账号",
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onChanged: (String value) {
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// print(value);
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g_userInfo.username = value;
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},
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endBtn: 'ClearBtn',
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controller: TextEditingController(text: g_userInfo.username),
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),
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SizedBox(height: 10),
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JdText(
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height: ScreenUtil().setHeight(300),
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title: '密码：',
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text: "请输入密码",
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password: true,
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onChanged: (String value) {
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// print(value);
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g_userInfo.password = value;
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},
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endBtn: 'ShowHiddenBtn',
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controller: TextEditingController(text: g_userInfo.password),
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),
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SizedBox(height: 10),
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Container(
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padding: EdgeInsets.all(ScreenUtil().setWidth(20)),
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child: Stack(
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children: <Widget>[
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// Align(
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// alignment: Alignment.centerLeft,
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// child: InkWell(
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// onTap: () {
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// Navigator.pushNamed(context, '/forgotPassword');
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// },
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// child: Text('忘记密码'),
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// ),
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// ),
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Align(
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alignment: Alignment.topRight,
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child: InkWell(
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onTap: () {
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Navigator.pushNamed(context, '/registerFirst');
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},
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//child: Text('记住密码'),
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child: Container(
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alignment: Alignment(1, -1),
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width: 150,
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child: Row(
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mainAxisAlignment: MainAxisAlignment.end,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text('记住密码：'),
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Container(
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alignment: Alignment(1, -1),
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height: 22,
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width: 22,
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child: Checkbox(
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value: bRemmberPW,
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activeColor: Colors.blue,
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onChanged: (bool val) {
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this.setState(() {
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bRemmberPW = !bRemmberPW;
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});
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Storage.setBool('bRemmberPW', bRemmberPW);
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},
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),
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),
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],
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),
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),
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),
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),
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// Align(
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// alignment: Alignment.centerRight,
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// child: InkWell(
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// onTap: () {
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// Navigator.pushNamed(context, '/registerFirst');
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// },
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// child: Text(
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// '新用户注册',
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// style: TextStyle(
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// // 创建 paint 对象，设置 color 属性为想要的颜色
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// background: Paint()..color = Color.fromRGBO(218, 218, 218, 1)),
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// ),
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// ),
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// ),
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],
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),
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),
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SizedBox(height: 20),
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JdButton(
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height: ScreenUtil().setHeight(350),
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text: "登录",
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color: Colors.blueAccent,
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onTop: doLogin,
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)
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],
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),
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),
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);
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}
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}
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WinUser01
4 years ago