getDateCount static method
计算月份所对应天数
Implementation
static int getDateCount(int year, int month) {
switch (month) {
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
return 31;
case 2:
if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0) {
return 29;
}
return 28;
}
return 30;
}