如何在颤动中获取当年的特定月份开始日期

【问题标题】：How to get particular month starting date of current year in flutter如何在颤动中获取当年的特定月份开始日期
【发布时间】：2022-12-04 14:05:01
【问题描述】：

how to get current year starting date or particular month starting date programmatically in flutter

DateTime constructor > DateTime(int year, [int month = 1, int day = 1, int hour = 0, int minute = 0, int second = 0, int millisecond = 0, int microsecond = 0])

【解决方案1】：

【解决方案2】：