daysBetweenDay static method

int daysBetweenDay(
  1. DateTime a,
  2. DateTime b
)

计算两个日期相差多少天

Implementation

static int daysBetweenDay(DateTime a, DateTime b) {
  int v = a.millisecondsSinceEpoch - b.millisecondsSinceEpoch;
  return v ~/ 86400000;
}