feat:增加对话框工具类

lib/widget/year_selector.dart

@@ -3,26 +3,21 @@ import 'package:flutter/material.dart';
 import 'common_widget.dart';
 
 class YearSelector extends StatefulWidget {
-  final int initialYear;
-  final int? minYear;
-  final int? maxYear;
+  final int currentYear;
   final Function(int) onYearChanged;
 
-  const YearSelector({
-    super.key,
-    required this.initialYear,
-    required this.onYearChanged,
-    this.minYear,
-    this.maxYear,
-  });
+  const YearSelector(
+      {super.key, required this.currentYear, required this.onYearChanged});
 
   @override
   State<YearSelector> createState() => _YearSelectorState();
 }
 
-// SingleTickerProviderStateMixin 动画控制器
 class _YearSelectorState extends State<YearSelector>
     with SingleTickerProviderStateMixin {
+  final int minYear = 2000;
+  final int maxYear = 2100;
+
   late int _currentYear;
 
   // 用于动画效果
@@ -32,7 +27,8 @@ class _YearSelectorState extends State<YearSelector>
   @override
   void initState() {
     super.initState();
-    _currentYear = widget.initialYear;
+
+    _currentYear = widget.currentYear;
 
     // 初始化动画控制器
     _animationController = AnimationController(
@@ -46,6 +42,17 @@ class _YearSelectorState extends State<YearSelector>
     );
   }
 
+  @override
+  void didUpdateWidget(YearSelector oldWidget) {
+    super.didUpdateWidget(oldWidget);
+
+    if (oldWidget.currentYear != widget.currentYear) {
+      setState(() {
+        _currentYear = widget.currentYear;
+      });
+    }
+  }
+
   @override
   void dispose() {
     _animationController.dispose();
@@ -54,24 +61,26 @@ class _YearSelectorState extends State<YearSelector>
 
   /// 切换到上一年
   void _previousYear() {
-    if (widget.minYear == null || _currentYear > widget.minYear!) {
+    if (_currentYear > minYear) {
       _animateYearChange(() {
+        final newYear = _currentYear - 1;
         setState(() {
-          _currentYear--;
+          _currentYear = newYear;
         });
-        widget.onYearChanged(_currentYear);
+        widget.onYearChanged(newYear);
       });
     }
   }
 
   /// 切换到下一年
   void _nextYear() {
-    if (widget.maxYear == null || _currentYear < widget.maxYear!) {
+    if (_currentYear < maxYear) {
       _animateYearChange(() {
+        final newYear = _currentYear + 1;
         setState(() {
-          _currentYear++;
+          _currentYear = newYear;
         });
-        widget.onYearChanged(_currentYear);
+        widget.onYearChanged(newYear);
       });
     }
   }
@@ -91,7 +100,7 @@ class _YearSelectorState extends State<YearSelector>
       children: [
         CircleIconButton(
           icon: Icons.chevron_left,
-          onPressed: () => _previousYear(),
+          onPressed: _previousYear,
         ),
         AnimatedBuilder(
           animation: _scaleAnimation,
@@ -109,8 +118,8 @@ class _YearSelectorState extends State<YearSelector>
         ),
         CircleIconButton(
           icon: Icons.chevron_right,
-          onPressed: () => _nextYear(),
-        )
+          onPressed: _nextYear,
+        ),
       ],
     );
   }