isYesterday static method

bool isYesterday(
  1. DateTime dateTime,
  2. DateTime locDateTime
)

is yesterday by dateTime. 根据时间判断是否是昨天

Implementation

static bool isYesterday(DateTime dateTime, DateTime locDateTime) {
    if (yearIsEqual(dateTime, locDateTime)) {
        int spDay = getDayOfYear(locDateTime) - getDayOfYear(dateTime);
        return spDay == 1;
    } else {
    return ((locDateTime.year - dateTime.year == 1) &&
        dateTime.month == 12 && locDateTime.month == 1 &&
        dateTime.day == 31 && locDateTime.day == 1);
    }
}