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liyanfei250liyanfei250
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sth
1 parent 7a2731a commit 22de05f

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lines changed

‎lib/api/Api.dart

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class Api {
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static final String HOME_BANNER = "http://www.";
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static final String HOME_LIST = "http://www.";
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static final String HOME_LOGIN = "http://www.";
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static final String REGISTER = "http://www.";
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}

‎lib/api/CommonService.dart

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import 'dart:async';
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import 'package:coderiver/common/User.dart';
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import 'package:dio/dio.dart';
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import 'Api.dart';
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class CommonService {
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Future<Response> getWeChatListData(String url) async {
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return await Dio().get(url, options: _getOptions());
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}
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Future<Response> getTreeItemList(String url) async {
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return await Dio().get(url, options: _getOptions());
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}
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Future<Response> getArticleListData(int page) async {
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return await Dio()
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.get("${Api.HOME_LIST}$page/json", options: _getOptions());
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}
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Future<Response> getProjectListData(String url) async {
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return await Dio().get(url, options: _getOptions());
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}
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Future<Response> login(String username, String password) async {
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FormData formData = new FormData.from({
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"username": "$username",
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"password": "$password",
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});
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return await Dio().post(Api.HOME_LOGIN, data: formData);
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}
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Future<Response> register(String username, String password) async {
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FormData formData = new FormData.from({
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"username": "$username",
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"password": "$password",
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});
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return await Dio().post(Api.REGISTER, data: formData);
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}
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Options _getOptions() {
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return Options(headers: User().getHeader());
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}
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}

‎lib/common/GlobalConfig.dart

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import 'package:flutter/material.dart';
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class GlobalConfig {
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///颜色
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static Color colorPrimary = Colors.blue;
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static Color color_tags = Color(0xFF009a61);
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static Color color_black = Color(0xFF000000);
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static Color color_dark_gray = Color(0xFF6b6b6b);
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static Color color_white_a80 = Color(0xccffffff);
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static Color color_blue = Color(0xcc0000ff);
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///导航
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static String homeTab = "首页";
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static String secondTab = "二页";
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static String thiredTab = "三页";
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static String fourthTab = "四页";
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static String fifthTab = "五页";
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}

‎lib/common/Router.dart

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import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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class Router {
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/*openWeb(BuildContext context, String url, String title) {
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Navigator.of(context)
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.push(MaterialPageRoute(builder: (BuildContext context) {
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return WebViewPage(url: url, title: title);
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}));
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}*/
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back(BuildContext context) {
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Navigator.of(context).pop();
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}
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Widget _transitionsBuilder(BuildContext context, Animation<double> animation,
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Animation<double> secondaryAnimation, Widget child) {
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return FadeTransition(
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opacity: animation,
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child: FadeTransition(
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opacity: Tween<double>(begin: 0.5, end: 1.0).animate(animation),
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child: child,
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),
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);
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}
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}

‎lib/common/Snack.dart

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import 'package:flutter/material.dart';
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class Snack {
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static void show(BuildContext context, String str) {
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Scaffold.of(context).showSnackBar(SnackBar(
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content: Text(null == str ? "" : str),
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));
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}
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}

‎lib/common/Sp.dart

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import 'package:shared_preferences/shared_preferences.dart';
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class Sp {
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static put(String key, String value) async {
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var prefs = await SharedPreferences.getInstance();
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await prefs.setString(key, value);
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}
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static getS(String key, Function callback) async {
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SharedPreferences.getInstance().then((prefs) {
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callback(prefs.getString(key));
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});
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}
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static putUserName(String value) {
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put("username", value);
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}
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static putPassword(String value) {
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put("password", value);
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}
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static putCookie(String value) {
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put("cookie", value);
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}
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static putCookieExpires(String value) {
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put("expires", value);
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}
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static getUserName(Function callback) {
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getS("username", callback);
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}
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static getPassword(Function callback) {
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getS("password", callback);
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}
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static getCookie(Function callback) {
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getS("cookie", callback);
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}
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static getCookieExpires(Function callback) {
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getS("expires", callback);
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}
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}

‎lib/common/User.dart

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import 'dart:async';
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import 'dart:convert';
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import 'package:coderiver/api/CommonService.dart';
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import 'package:coderiver/utils/DateUtil.dart';
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import 'package:dio/dio.dart';
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import 'package:coderiver/common/Sp.dart';
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class User {
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String userName;
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String password;
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String cookie;
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DateTime cookieExpiresTime;
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Map<String, String> _headerMap;
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static final User _singleton = User._internal();
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factory User() {
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return _singleton;
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}
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User._internal();
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bool isLogin() {
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return null != userName &&
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userName.length >= 6 &&
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null != password &&
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password.length >= 6;
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}
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void logout() {
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Sp.putUserName(null);
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Sp.putPassword(null);
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userName = null;
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password = null;
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_headerMap = null;
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}
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void refreshUserData({Function callback}) {
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Sp.getPassword((pw) {
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this.password = pw;
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});
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Sp.getUserName((str) {
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this.userName = str;
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if (null != callback) {
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callback();
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}
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});
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Sp.getCookie((str) {
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this.cookie = str;
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_headerMap = null;
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});
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Sp.getCookieExpires((str) {
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if (null != str && str.length > 0) {
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this.cookieExpiresTime = DateTime.parse(str);
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//提前3天请求新的cookie
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if (cookieExpiresTime.isAfter(DateUtil.getDaysAgo(3))) {
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Timer(Duration(milliseconds: 100), () {
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autoLogin();
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});
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}
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}
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});
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}
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void login({Function callback}) {
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_saveUserInfo(CommonService().login(userName, password), userName, password,
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callback: callback);
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}
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void register({Function callback}) {
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_saveUserInfo(
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CommonService().register(userName, password), userName, password,
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callback: callback);
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}
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void _saveUserInfo(
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Future<Response> responseF, String userName, String password,
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{Function callback}) {
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responseF.then((response) {
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//实体处理
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/*var userModel = UserModel.fromJson(response.data);
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if (userModel.errorCode == 0) {
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Sp.putUserName(userName);
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Sp.putPassword(password);
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String cookie = "";
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DateTime expires;
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response.headers.forEach((String name, List<String> values) {
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if (name == "set-cookie") {
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cookie = json
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.encode(values)
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.replaceAll("\[\"", "")
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.replaceAll("\"\]", "")
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.replaceAll("\",\"", "; ");
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try {
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expires = DateUtil.formatExpiresTime(cookie);
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} catch (e) {
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expires = DateTime.now();
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}
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}
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});
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Sp.putCookie(cookie);
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Sp.putCookieExpires(expires.toIso8601String());
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if (null != callback) callback(true, null);
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} else {
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if (null != callback) callback(false, userModel.errorMsg);
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}*/
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});
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}
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void autoLogin() {
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if (isLogin()) {
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login();
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}
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}
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Map<String, String> getHeader() {
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if (null == _headerMap) {
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_headerMap = Map();
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_headerMap["Cookie"] = cookie;
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}
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return _headerMap;
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}
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}

‎lib/main.dart

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import 'package:coderiver/ui/Application.dart';
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import 'package:flutter/material.dart';
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void main() => runApp(MyApp());
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appBar: AppBar(
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title: Text("CodeRiver"),
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),
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body: Text("Hello World"),
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body: ApplicationPage(),
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)
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);
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}

‎lib/ui/Application.dart

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import 'package:coderiver/common/GlobalConfig.dart';
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import 'package:coderiver/common/User.dart';
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import 'package:coderiver/ui/home/HomePage.dart';
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import 'package:coderiver/ui/home/MinePage.dart';
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import 'package:coderiver/ui/home/SeconedPage.dart';
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import 'package:flutter/material.dart';
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class ApplicationPage extends StatefulWidget {
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@override
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State<StatefulWidget> createState() {
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return _ApplicationPageState();
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}
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}
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class _ApplicationPageState extends State<ApplicationPage>
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with SingleTickerProviderStateMixin {
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int _page = 0;
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PageController _pageController;
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final List<BottomNavigationBarItem> _bottomTabs = <BottomNavigationBarItem>[
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BottomNavigationBarItem(
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icon: new Icon(Icons.assignment),
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title: Text(GlobalConfig.homeTab),
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backgroundColor: GlobalConfig.colorPrimary),
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BottomNavigationBarItem(
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icon: new Icon(Icons.assignment),
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title: Text(GlobalConfig.secondTab),
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backgroundColor: GlobalConfig.colorPrimary),
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BottomNavigationBarItem(
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icon: new Icon(Icons.assignment),
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title: Text(GlobalConfig.thiredTab),
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backgroundColor: GlobalConfig.colorPrimary),
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];
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@override
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void initState() {
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super.initState();
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_pageController = PageController(initialPage: this._page);
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}
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@override
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void dispose() {
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_pageController.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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User().refreshUserData();
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return Scaffold(
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body: PageView(
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physics: NeverScrollableScrollPhysics(),
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children: <Widget>[HomePage(), SeconedPage(), MinePage()],
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onPageChanged: onPageChanged,
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controller: _pageController,
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),
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bottomNavigationBar: BottomNavigationBar(
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items: _bottomTabs,
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currentIndex: _page,
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fixedColor: GlobalConfig.colorPrimary,
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type: BottomNavigationBarType.fixed,
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onTap: onTap,
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),
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);
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}
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void onTap(int index) {
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_pageController.animateToPage(index,
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duration: const Duration(milliseconds: 300), curve: Curves.ease);
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}
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void onPageChanged(int page) {
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setState(() {
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this._page = page;
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});
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}
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}

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