huixiang_app/lib/business_system/date_select/date_picker.dart

import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:widgetpicker/widgetpicker.dart';

import '../../generated/l10n.dart';
import '../../utils/font_weight.dart';

class DatePickerWidget extends StatelessWidget {
  final _years = List.generate((DateTime.now().year - 2019 +1), (i) => "${i + 2019}年");
  final _months = List.generate(12, (i) => "${i + 1}月");
  final showChange;

  DatePickerWidget({this.showChange = true});

  @override
  Widget build(BuildContext context) {
    bool monOn = true;
    String _currentYear = "${DateTime.now().year.toString()}年";
    String _currentMonth = "${DateTime.now().month.toString()}月";
    String _currentTimeStr =
        "${_currentYear.replaceAll("年", "")}-${_currentMonth.length == 2 ? "0${_currentMonth.replaceAll("月", "")}" : _currentMonth.replaceAll("月", "")}";
    return StatefulBuilder(builder: (context1, state) {
      return Container(
        height: 260.h,
        decoration: BoxDecoration(
          color: Colors.white,
          borderRadius: BorderRadius.only(
            topLeft: Radius.circular(8),
            topRight: Radius.circular(8),
          ),
        ),
        child: Column(
          children: [
            Container(
              height: 50.h,
              child: Row(
                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                crossAxisAlignment: CrossAxisAlignment.center,
                children: [
                  InkWell(
                    onTap: () {
                      Navigator.of(context).pop();
                    },
                    child: Container(
                      child: Text(
                        S.of(context).quxiao,
                        style: TextStyle(
                            fontSize: 16,
                            fontWeight: MyFontWeight.semi_bold,
                            color: Colors.black),
                      ),
                      margin: EdgeInsets.only(left: 6),
                      padding: EdgeInsets.all(10),
                    ),
                  ),
                  InkWell(
                    onTap: () {
                      Navigator.of(context).pop(_currentTimeStr);
                    },
                    child: Container(
                      child: Text(
                        S.of(context).queren,
                        style: TextStyle(
                            fontSize: 16,
                            fontWeight: MyFontWeight.semi_bold,
                            color:Color(0xFF30415B)),
                      ),
                      margin: EdgeInsets.only(left: 6),
                      padding: EdgeInsets.all(10),
                    ),
                  ),
                ],
              ),
            ),
            Container(
              height: 2.h,
              color: Color(0xFFF4F4F4),
            ),
            Expanded(child: Container(
              child:
              Row(
                mainAxisAlignment: MainAxisAlignment.center,
                children: [
                  WidgetPicker(
                    value: _currentYear,
                    options: _years,
                    textStyle: TextStyle(
                        fontSize: 16.sp, color: Color(0xFFDDDDDD),),
                    selectedTextStyle:
                    TextStyle(fontSize: 16.sp, color: Colors.black,fontWeight: MyFontWeight.medium),
                    onChanged: (value) => state(() => {
                      _currentYear = value,
                      _currentTimeStr = monOn
                          ? "${_currentYear.replaceAll("年", "")}-${_currentMonth.length == 2 ? "0${_currentMonth.replaceAll("月", "")}" : _currentMonth.replaceAll("月", "")}"
                          : "${_currentYear.replaceAll("年", "")}"
                    }),
                  ),
                  if (monOn)
                    WidgetPicker(
                      value: _currentMonth,
                      options: _months,
                      textStyle: TextStyle(
                          fontSize: 16.sp, color: Color(0xFFDDDDDD)),
                      selectedTextStyle:
                      TextStyle(fontSize: 16.sp, color: Colors.black,fontWeight: MyFontWeight.medium),
                      onChanged: (value) => state(() => {
                        _currentMonth = value,
                        _currentTimeStr = monOn
                            ? "${_currentYear.replaceAll("年", "")}-${_currentMonth.length == 2 ? "0${_currentMonth.replaceAll("月", "")}" : _currentMonth.replaceAll("月", "")}"
                            : "${_currentYear.replaceAll("年", "")}"
                      }),
                    ),
                ],
              ),
            )),
          ],
        ),
      );
    });
  }
}