DateTime selectedDate=DateTime.now(); TimeOfDay selectedTime= TimeOfDay(hour: 9, minute: 30); Future<void>_selectDate() async {finalDateTime date =await showDatePicker( context: context, initialDate: selectedDate, firstDate: DateTime(1900), lastDate: DateTime(2100), );if(date ==null)return; ...
now(); TimeOfDay _selectTime = TimeOfDay.now(); //选择日期的方法 _selectDateMethod () async { debugPrint('选择时间方法'); final DateTime date = await showDatePicker( context: context, initialDate: _selectDate, firstDate: DateTime(1998), lastDate: DateTime(2029), ); if(date == null) re...
initialDateRange: DateTimeRange(start: start, end: end) ); //结果 _dateSelectText = selectTimeRange.toString(); //选择结果中的开始时间 DateTime selectStart = selectTimeRange.start; //选择结果中的结束时间 DateTime selectEnd = selectTimeRange.end; setState(() { }); } 完毕 不局限于思维,不...
DateTime currentDate = DateTime.now(); 要从DateTime类获取特定日期,可以使用DateTime的构造函数。构造函数接受年、月、日等参数,用于创建一个指定日期的DateTime对象。例如,要获取2022年1月1日的日期: 代码语言:txt 复制 DateTime specificDate = DateTime(2022, 1, 1); DateTime类还提供了许多其他有用的方法和...
Future<void>_selectDate()async//异步{finalDateTime date=awaitshowDatePicker(//等待异步处理的结果//等待返回context:context,initialDate:selectedDate,firstDate:DateTime(1900),lastDate:DateTime(2100),);if(date==null)return;//点击DatePicker的cancelsetState((){//点击DatePicker的OKselectedDate=date;});}...
DateTimeRange selectTimeRange = await showDateRangePicker( //语言环境 locale: Locale("zh","CH"), context: context, //开始时间 firstDate: DateTime(2020, 1), //结束时间 lastDate: DateTime(2022, 1), cancelText: "取消", confirmText: "确定", ...
今天我们来聊聊Flutter中的日期和日期选择器。...,接下来我将为大家介绍Flutter中自带的日期选择器和时间选择器。...调用Flutter自带的日期选择器组件和时间选择器组件 import 'package:flutter/material.dart'; import 'package:date_forma...
TimePickerDialog should dispose created ChangeNotifiers. by @ksokolovskyi in #136261 [flutter_tools] allow tool integration tests to quit on SIGINT by @christopherfujino in #136271 Seperate localization tests for Material2 and Material3 by @MitchellGoodwin in #135779 [framework] restore old zoom...
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2019-12-24 20:23 −一、时间戳计算前N天后N天并转化为日期,本例是将某个时间戳转为日期,并计算出与该日期前后相差7天的日期: select DATE_SUB(FROM_UNIXTIME(1577150717, '%Y-%m-%d'),INTERVAL 7 DAY)as 'before',FROM_UNIXTIME(1...