val year = 2020
val month = 3
val day = 11
val calendar = Calendar.getInstance()
calendar.set(Calendar.YEAR, year)
calendar.set(Calendar.MONTH, month)
calendar.set(Calendar.DAY_OF_MONTH, day)
val longTYpeVariable = calendar.timeInMillis
从长到年,月到日
calendar.timeInMillis = longTYpeVariable
val year1 = calendar.get(Calendar.YEAR)
val month1 = calendar.get(Calendar.MONTH)
val day1 = calendar.get(Calendar.DAY_OF_MONTH)
# 1 楼答案
从年、月、日到长
从长到年,月到日