创建configuration类，将配置的信息放到这里

引入provider状态管理,避免深层嵌套传递信息
周视图和月视图，联动
增加日志输出类LogUtil，方便查看调试
增加example例子

example/lib/custom_sign_page.dart

@@ -0,0 +1,225 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_custom_calendar/flutter_custom_calendar.dart';
+import 'package:flutter_custom_calendar/style/style.dart';
+import 'package:random_pk/random_pk.dart';
+
+/**
+ * 自定义一些额外的数据，实现标记功能
+ */
+class CustomSignPage extends StatefulWidget {
+  CustomSignPage({Key key, this.title}) : super(key: key);
+
+  final String title;
+
+  @override
+  _CustomSignPageState createState() => _CustomSignPageState();
+}
+
+class _CustomSignPageState extends State<CustomSignPage> {
+  String text;
+
+  CalendarController controller;
+
+  Map<DateModel, String> customExtraData = {
+    DateModel.fromDateTime(DateTime.now().add(Duration(days: -1))): "假",
+    DateModel.fromDateTime(DateTime.now().add(Duration(days: -2))): "游",
+    DateModel.fromDateTime(DateTime.now().add(Duration(days: -3))): "事",
+    DateModel.fromDateTime(DateTime.now().add(Duration(days: -4))): "班",
+    DateModel.fromDateTime(DateTime.now().add(Duration(days: -5))): "假",
+    DateModel.fromDateTime(DateTime.now().add(Duration(days: -6))): "游",
+    DateModel.fromDateTime(DateTime.now().add(Duration(days: -7))): "事",
+    DateModel.fromDateTime(DateTime.now().add(Duration(days: -8))): "班",
+    DateModel.fromDateTime(DateTime.now()): "假",
+    DateModel.fromDateTime(DateTime.now().add(Duration(days: 1))): "假",
+    DateModel.fromDateTime(DateTime.now().add(Duration(days: 2))): "游",
+    DateModel.fromDateTime(DateTime.now().add(Duration(days: 3))): "事",
+    DateModel.fromDateTime(DateTime.now().add(Duration(days: 4))): "班",
+    DateModel.fromDateTime(DateTime.now().add(Duration(days: 5))): "假",
+    DateModel.fromDateTime(DateTime.now().add(Duration(days: 6))): "游",
+    DateModel.fromDateTime(DateTime.now().add(Duration(days: 7))): "事",
+    DateModel.fromDateTime(DateTime.now().add(Duration(days: 8))): "班",
+  };
+
+  @override
+  void initState() {
+    text = "${DateTime.now().year}年${DateTime.now().month}月";
+
+    controller = new CalendarController(
+        weekBarItemWidgetBuilder: () {
+          return CustomStyleWeekBarItem();
+        },
+        dayWidgetBuilder: (dateModel) {
+          return CustomStyleDayWidget(dateModel);
+        },
+        extraDataMap: customExtraData);
+
+    controller.addMonthChangeListener(
+      (year, month) {
+        setState(() {
+          text = "$year年$month月";
+        });
+      },
+    );
+
+    controller.addOnCalendarSelectListener((dateModel) {
+      //刷新选择的时间
+      setState(() {});
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(widget.title),
+      ),
+      body: new Container(
+        child: new Column(
+          children: <Widget>[
+            new Row(
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: <Widget>[
+                new IconButton(
+                    icon: Icon(Icons.navigate_before),
+                    onPressed: () {
+                      controller.moveToPreviousMonth();
+                    }),
+                new Text(text),
+                new IconButton(
+                    icon: Icon(Icons.navigate_next),
+                    onPressed: () {
+                      controller.moveToNextMonth();
+                    }),
+              ],
+            ),
+            CalendarViewWidget(
+              calendarController: controller,
+            ),
+            new Text(
+                "自定义创建Item\n选中的时间:\n${controller.getSingleSelectCalendar().toString()}"),
+          ],
+        ),
+      ),
+      floatingActionButton: FloatingActionButton(
+        onPressed: () {
+          controller.toggleExpandStatus();
+        },
+        tooltip: 'Increment',
+        child: Icon(Icons.add),
+      ), // This trailing comma makes auto-formatting nicer for build methods.
+    );
+  }
+}
+
+class CustomStyleWeekBarItem extends BaseWeekBar {
+  List<String> weekList = ["一", "二", "三", "四", "五", "六", "日"];
+
+  @override
+  Widget getWeekBarItem(int index) {
+    return new Container(
+      child: new Center(
+        child: new Text(weekList[index]),
+      ),
+    );
+  }
+}
+
+class CustomStyleDayWidget extends BaseCombineDayWidget {
+  CustomStyleDayWidget(DateModel dateModel) : super(dateModel);
+
+  @override
+  Widget getNormalWidget(DateModel dateModel) {
+    return Container(
+      margin: EdgeInsets.all(8),
+      child: new Stack(
+        alignment: Alignment.center,
+        children: <Widget>[
+          new Column(
+            mainAxisSize: MainAxisSize.max,
+            crossAxisAlignment: CrossAxisAlignment.center,
+            children: <Widget>[
+              //公历
+              new Expanded(
+                child: Center(
+                  child: new Text(
+                    dateModel.day.toString(),
+                    style: currentMonthTextStyle,
+                  ),
+                ),
+              ),
+
+              //农历
+              new Expanded(
+                child: Center(
+                  child: new Text(
+                    "${dateModel.lunarString}",
+                    style: lunarTextStyle,
+                  ),
+                ),
+              ),
+            ],
+          ),
+          dateModel.extraData != null
+              ? Positioned(
+                  child: Text(
+                    "${dateModel.extraData}",
+                    style: TextStyle(fontSize: 10, color: RandomColor.next()),
+                  ),
+                  right: 0,
+                  top: 0,
+                )
+              : Container()
+        ],
+      ),
+    );
+  }
+
+  @override
+  Widget getSelectedWidget(DateModel dateModel) {
+    return Container(
+      margin: EdgeInsets.all(8),
+      foregroundDecoration:
+          new BoxDecoration(border: Border.all(width: 2, color: Colors.blue)),
+      child: new Stack(
+        alignment: Alignment.center,
+        children: <Widget>[
+          new Column(
+            mainAxisSize: MainAxisSize.max,
+            crossAxisAlignment: CrossAxisAlignment.center,
+            children: <Widget>[
+              //公历
+              new Expanded(
+                child: Center(
+                  child: new Text(
+                    dateModel.day.toString(),
+                    style: currentMonthTextStyle,
+                  ),
+                ),
+              ),
+
+              //农历
+              new Expanded(
+                child: Center(
+                  child: new Text(
+                    "${dateModel.lunarString}",
+                    style: lunarTextStyle,
+                  ),
+                ),
+              ),
+            ],
+          ),
+          dateModel.extraData != null
+              ? Positioned(
+            child: Text(
+              "${dateModel.extraData}",
+              style: TextStyle(fontSize: 10, color: RandomColor.next()),
+            ),
+            right: 0,
+            top: 0,
+          )
+              : Container()
+        ],
+      ),
+    );
+  }
+}

example/lib/main.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'custom_sign_page.dart';
 import 'custom_style_page.dart';
 import 'default_style_page.dart';
 import 'multi_select_style_page.dart';
@@ -24,6 +25,9 @@ class MyApp extends StatelessWidget {
           "/progress": (context) => ProgressStylePage(
                 title: "进度条风格+单选",
               ),
+          "/custom_sign": (context) => CustomSignPage(
+                title: "自定义额外数据，实现标记功能",
+              )
         },
         title: 'Flutter Demo',
         theme: ThemeData(
@@ -64,6 +68,12 @@ class HomePage extends StatelessWidget {
               },
               child: new Text("进度条风格+单选"),
             ),
+            new RaisedButton(
+              onPressed: () {
+                Navigator.pushNamed(context, "/custom_sign");
+              },
+              child: new Text("自定义额外数据，实现标记功能"),
+            ),
           ],
         ),
       ),

example/lib/multi_select_style_page.dart

@@ -81,8 +81,8 @@ class _MultiSelectStylePageState extends State<MultiSelectStylePage> {
             CalendarViewWidget(
               calendarController: controller,
             ),
-            new Text(
+//            new Text(
-                "多选模式\n选中的时间:\n${controller.getMultiSelectCalendar().toString()}"),
+//                "多选模式\n选中的时间:\n${controller.getMultiSelectCalendar().toString()}"),
           ],
         ),
       ),

example/lib/progress_style_page.dart

@@ -23,13 +23,13 @@ class _ProgressStylePageState extends State<ProgressStylePage> {
     DateTime now = DateTime.now();
     DateTime temp = DateTime(now.year, now.month, now.day);
 
-    Map<DateTime, int> progressMap = {
+    Map<DateModel, int> progressMap = {
-      temp.add(Duration(days: 1)): 0,
+      DateModel.fromDateTime(temp.add(Duration(days: 1))): 0,
-      temp.add(Duration(days: 2)): 20,
+      DateModel.fromDateTime(temp.add(Duration(days: 2))): 20,
-      temp.add(Duration(days: 3)): 40,
+      DateModel.fromDateTime(temp.add(Duration(days: 3))): 40,
-      temp.add(Duration(days: 4)): 60,
+      DateModel.fromDateTime(temp.add(Duration(days: 4))): 60,
-      temp.add(Duration(days: 5)): 80,
+      DateModel.fromDateTime(temp.add(Duration(days: 5))): 80,
-      temp.add(Duration(days: 6)): 100,
+      DateModel.fromDateTime(temp.add(Duration(days: 6))): 100,
     };
 
     controller = new CalendarController(
@@ -90,8 +90,8 @@ class _ProgressStylePageState extends State<ProgressStylePage> {
             CalendarViewWidget(
               calendarController: controller,
             ),
-            new Text(
+//            new Text(
-                "单选模式\n选中的时间:\n${controller.getSingleSelectCalendar().toString()}"),
+//                "单选模式\n选中的时间:\n${controller.getSingleSelectCalendar().toString()}"),
           ],
         ),
       ),

example/pubspec.lock

@@ -1,5 +1,5 @@
 # Generated by pub
-# See https://www.dartlang.org/tools/pub/glossary#lockfile
+# See https://dart.dev/tools/pub/glossary#lockfile
 packages:
   async:
     dependency: transitive
@@ -7,14 +7,14 @@ packages:
       name: async
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "2.1.0"
+    version: "2.3.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.0.4"
+    version: "1.0.5"
   charcode:
     dependency: transitive
     description:
@@ -66,28 +66,42 @@ packages:
       name: meta
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.1.6"
+    version: "1.1.7"
   path:
     dependency: transitive
     description:
       name: path
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.6.2"
+    version: "1.6.4"
   pedantic:
     dependency: transitive
     description:
       name: pedantic
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.5.0"
+    version: "1.8.0+1"
+  provider:
+    dependency: transitive
+    description:
+      name: provider
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.0.0+1"
   quiver:
     dependency: transitive
     description:
       name: quiver
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "2.0.2"
+    version: "2.0.5"
+  random_pk:
+    dependency: "direct main"
+    description:
+      name: random_pk
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.0.3"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -120,7 +134,7 @@ packages:
       name: string_scanner
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.0.4"
+    version: "1.0.5"
   term_glyph:
     dependency: transitive
     description:
@@ -134,7 +148,7 @@ packages:
       name: test_api
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "0.2.4"
+    version: "0.2.5"
   typed_data:
     dependency: transitive
     description:
@@ -150,4 +164,4 @@ packages:
     source: hosted
     version: "2.0.8"
 sdks:
-  dart: ">=2.2.0 <3.0.0"
+  dart: ">=2.2.2 <3.0.0"

example/pubspec.yaml

@@ -27,7 +27,7 @@ dependencies:
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^0.1.2
-
+  random_pk: any
   flutter_custom_calendar:
     path: ../
 

lib/configuration.dart

@@ -9,8 +9,8 @@ class CalendarConfiguration {
   //默认是单选,可以配置为MODE_SINGLE_SELECT，MODE_MULTI_SELECT
   int selectMode;
 
-  //展开状态
+  bool defaultExpandStatus; //展开状态,true代表是月视图，false代表是周视图
-  bool defaultExpandStatus;
+  bool enableExpand; //是否可以展开
 
   //日历显示的最小年份和最大年份
   int minYear;
@@ -35,13 +35,13 @@ class CalendarConfiguration {
 
   Set<DateModel> defaultSelectedDateList = new Set(); //默认被选中的日期
   int maxMultiSelectCount; //多选，最多选多少个
-  Map<DateTime, Object> extraDataMap = new Map(); //自定义额外的数据
+  Map<DateModel, Object> extraDataMap = new Map(); //自定义额外的数据
 
   /**
    * UI绘制方面的绘制
    */
-  double verticalSpacing ;//日历item之间的竖直方向间距，默认10
+  double verticalSpacing; //日历item之间的竖直方向间距，默认10
-
+  BoxDecoration boxDecoration; //整体的背景设置
 
   //支持自定义绘制
   DayWidgetBuilder dayWidgetBuilder; //创建日历item
@@ -86,7 +86,8 @@ class CalendarConfiguration {
       this.pageController,
       this.weekController,
       this.verticalSpacing,
-      bool defaultExpandStatus = true}) {
+      this.enableExpand,
+      bool defaultExpandStatus}) {
     this.defaultExpandStatus = defaultExpandStatus;
   }
 

lib/controller.dart

@@ -1,16 +1,13 @@
-import 'dart:developer';
-
 import 'package:flutter/material.dart';
 import 'package:flutter_custom_calendar/calendar_provider.dart';
 import 'package:flutter_custom_calendar/configuration.dart';
+import 'package:flutter_custom_calendar/constants/constants.dart';
+import 'package:flutter_custom_calendar/model/date_model.dart';
 import 'package:flutter_custom_calendar/utils/LogUtil.dart';
 import 'package:flutter_custom_calendar/utils/date_util.dart';
 import 'package:flutter_custom_calendar/widget/default_combine_day_view.dart';
 import 'package:flutter_custom_calendar/widget/default_custom_day_view.dart';
-import 'package:flutter_custom_calendar/model/date_model.dart';
 import 'package:flutter_custom_calendar/widget/default_week_bar.dart';
-import 'package:flutter_custom_calendar/constants/constants.dart';
-import 'package:provider/provider.dart';
 
 /**
  * 利用controller来控制视图
@@ -18,7 +15,7 @@ import 'package:provider/provider.dart';
 
 class CalendarController {
   static const Set<DateTime> EMPTY_SET = {};
-  static const Map<DateTime, Object> EMPTY_MAP = {};
+  static const Map<DateModel, Object> EMPTY_MAP = {};
   static const Duration DEFAULT_DURATION = const Duration(milliseconds: 500);
 
   CalendarConfiguration calendarConfiguration;
@@ -54,7 +51,8 @@ class CalendarController {
       DateModel selectDateModel,
       int maxMultiSelectCount = 9999,
       double verticalSpacing = 10,
-      Map<DateTime, Object> extraDataMap = EMPTY_MAP}) {
+      bool enableExpand = true,
+      Map<DateModel, Object> extraDataMap = EMPTY_MAP}) {
     LogUtil.log(TAG: this.runtimeType, message: "init CalendarConfiguration");
     calendarConfiguration = CalendarConfiguration(
         selectMode: selectMode,
@@ -70,7 +68,9 @@ class CalendarController {
         maxSelectYear: maxSelectYear,
         maxSelectMonth: maxSelectMonth,
         defaultExpandStatus: expandStatus,
+        extraDataMap: extraDataMap,
         maxSelectDay: maxSelectDay,
+        enableExpand: enableExpand,
         verticalSpacing: verticalSpacing);
 
     calendarConfiguration.dayWidgetBuilder = dayWidgetBuilder;

lib/flutter_custom_calendar.dart

@@ -9,3 +9,4 @@ export 'package:flutter_custom_calendar/model/date_model.dart';
 export 'package:flutter_custom_calendar/widget/default_combine_day_view.dart';
 export 'package:flutter_custom_calendar/widget/default_custom_day_view.dart';
 export 'package:flutter_custom_calendar/widget/default_week_bar.dart';
+export 'package:flutter_custom_calendar/configuration.dart';

lib/model/date_model.dart

@@ -17,10 +17,11 @@ class DateModel {
   String gregorianFestival; //公历节日
   String traditionFestival; //传统农历节日
 
+  bool isCurrentMonth;//是否是当前月份
   bool isCurrentDay; //是否是今天
   bool isLeapYear; //是否是闰年
   bool isWeekend; //是否是周末
-  int leapMonth; //是否是闰月
+//  int leapMonth; //是否是闰月
 
   Object extraData; //自定义的额外数据
 

lib/style/style.dart

@@ -1,18 +1,21 @@
-
 import 'package:flutter/material.dart';
 
-
 //顶部7天的文案
-TextStyle topWeekTextStyle=new TextStyle(fontSize: 12);
+TextStyle topWeekTextStyle = new TextStyle(fontSize: 12);
 
 //当前月份的日期的文字
 TextStyle currentMonthTextStyle =
-new TextStyle(color: Colors.black, fontSize: 16);
+    new TextStyle(color: Colors.black, fontSize: 16);
 
 //下一个月或者上一个月的日期的文字
 TextStyle preOrNextMonthTextStyle =
-new TextStyle(color: Colors.grey, fontSize: 18);
+    new TextStyle(color: Colors.grey, fontSize: 18);
 
 //农历的字体
 TextStyle lunarTextStyle = new TextStyle(color: Colors.grey, fontSize: 12);
 
+//不是当前月份的日期的文字
+TextStyle notCurrentMonthTextStyle =
+    new TextStyle(color: Colors.grey, fontSize: 16);
+
+TextStyle currentDayTextStyle = new TextStyle(color: Colors.red, fontSize: 16);

lib/utils/date_util.dart

@@ -65,8 +65,8 @@ class DateUtil {
    * 是否是今天
    */
   static bool isCurrentDay(int year, int month, int day) {
-    return new DateTime(year, month, day).difference(DateTime.now()).inDays ==
+    DateTime now = DateTime.now();
-        0;
+    return now.year == year && now.month == month && now.day == day;
   }
 
   /**
@@ -113,7 +113,7 @@ class DateUtil {
       int year, int month, DateTime currentDate, int weekStart,
       {DateModel minSelectDate,
       DateModel maxSelectDate,
-      Map<DateTime, Object> extraDataMap}) {
+      Map<DateModel, Object> extraDataMap}) {
     weekStart = DateTime.monday;
     //获取月视图其实偏移量
     int mPreDiff = getIndexOfFirstDayInMonth(new DateTime(year, month));
@@ -136,19 +136,22 @@ class DateUtil {
       DateTime temp;
       DateModel dateModel;
       if (i < mPreDiff - 1) {
+        //这个上一月的几天
         temp = firstDayOfMonth.subtract(Duration(days: mPreDiff - i - 1));
 
         dateModel = DateModel.fromDateTime(temp);
-        //这个上一月的几天
+        dateModel.isCurrentMonth = false;
       } else if (i >= monthDayCount + (mPreDiff - 1)) {
+        //这是下一月的几天
         temp = lastDayOfMonth
             .add(Duration(days: i - mPreDiff - monthDayCount + 2));
         dateModel = DateModel.fromDateTime(temp);
-        //这是下一月的几天
+        dateModel.isCurrentMonth = false;
       } else {
         //这个月的
         temp = new DateTime(year, month, i - mPreDiff + 2);
         dateModel = DateModel.fromDateTime(temp);
+        dateModel.isCurrentMonth = true;
       }
 
       //判断是否在范围内
@@ -160,9 +163,8 @@ class DateUtil {
       }
       //将自定义额外的数据，存储到相应的model中
       if (extraDataMap != null && extraDataMap.isNotEmpty) {
-        DateTime dateTime = dateModel.getDateTime();
+        if (extraDataMap.containsKey(dateModel)) {
-        if (extraDataMap.containsKey(dateTime)) {
+          dateModel.extraData = extraDataMap[dateModel];
-          dateModel.extraData = extraDataMap[dateTime];
         }
       }
 
@@ -197,7 +199,7 @@ class DateUtil {
       int year, int month, DateTime currentDate, int weekStart,
       {DateModel minSelectDate,
       DateModel maxSelectDate,
-      Map<DateTime, Object> extraDataMap}) {
+      Map<DateModel, Object> extraDataMap}) {
     LogUtil.log(TAG: "DateUtil", message: "initCalendarForWeekView");
     List<DateModel> items = List();
 
@@ -217,11 +219,16 @@ class DateUtil {
       } else {
         dateModel.isInRange = false;
       }
+      if (month == dateModel.month) {
+        dateModel.isCurrentMonth = true;
+      } else {
+        dateModel.isCurrentMonth = false;
+      }
+
       //将自定义额外的数据，存储到相应的model中
       if (extraDataMap != null && extraDataMap.isNotEmpty) {
-        DateTime dateTime = dateModel.getDateTime();
+        if (extraDataMap.containsKey(dateModel)) {
-        if (extraDataMap.containsKey(dateTime)) {
+          dateModel.extraData = extraDataMap[dateModel];
-          dateModel.extraData = extraDataMap[dateTime];
         }
       }
 

lib/utils/lunar_util.dart

@@ -766,16 +766,16 @@ class LunarUtil {
     dateModel.isLeapYear = DateUtil.isLeapYear(year);
     dateModel.isCurrentDay = DateUtil.isCurrentDay(year, month, day);
 
-    List<int> lunar = LunarUtil.solarToLunar(year, month, day);
+    List<int> lunar = LunarUtil.solarToLunar(2020, 2, day);
 
     dateModel.lunarYear = (lunar[0]);
     dateModel.lunarMonth = (lunar[1]);
     dateModel.lunarDay = (lunar[2]);
 
-    if (lunar[3] == 1) {
+//    if (lunar[3] == 1) {
-      //如果是闰月
+//      //如果是闰月
-      dateModel.leapMonth = lunar[1];
+//      dateModel.leapMonth = lunar[1];
-    }
+//    }
     //24节气
     String solarTerm = getSolarTerm(year, month, day);
     dateModel.solarTerm=solarTerm;

lib/widget/default_custom_day_view.dart

@@ -72,8 +72,11 @@ class DefaultCustomDayWidget extends BaseCustomDayWidget {
 void defaultDrawNormal(DateModel dateModel, Canvas canvas, Size size) {
   //顶部的文字
   TextPainter dayTextPainter = new TextPainter()
-    ..text =
+    ..text = TextSpan(
-        TextSpan(text: dateModel.day.toString(), style: currentMonthTextStyle)
+        text: dateModel.day.toString(),
+        style: dateModel.isCurrentDay
+            ? currentDayTextStyle
+            : currentMonthTextStyle)
     ..textDirection = TextDirection.ltr
     ..textAlign = TextAlign.center;
 

lib/widget/month_view.dart

@@ -18,7 +18,7 @@ class MonthView extends StatefulWidget {
   final DateModel minSelectDate;
   final DateModel maxSelectDate;
 
-  final Map<DateTime, Object> extraDataMap; //自定义额外的数据
+  final Map<DateModel, Object> extraDataMap; //自定义额外的数据
 
   const MonthView({
     @required this.year,

lib/widget/week_view.dart

@@ -18,7 +18,7 @@ class WeekView extends StatefulWidget {
   final DateModel minSelectDate;
   final DateModel maxSelectDate;
 
- final  Map<DateTime, Object> extraDataMap; //自定义额外的数据
+  final Map<DateModel, Object> extraDataMap; //自定义额外的数据
 
   const WeekView(
       {@required this.year,
@@ -39,7 +39,7 @@ class _WeekViewState extends State<WeekView> {
   void initState() {
     super.initState();
     items = DateUtil.initCalendarForWeekView(
-        2019, 9, widget.firstDayOfWeek.getDateTime(), 0,
+        widget.year, widget.month, widget.firstDayOfWeek.getDateTime(), 0,
         minSelectDate: widget.minSelectDate,
         maxSelectDate: widget.maxSelectDate,
         extraDataMap: widget.extraDataMap);