根据日期判断是星期几（zeller公式）

直接写成一个函数了

int getTheWeek(int year, int month, int day)
{

    int week = 0;

    int century = year / 100;

    year = year % 100;

    week = year + year / 4 + century / 4 - 2 * century + (26 * (month + 1))/ 10 + day - 1;

    week = week % 7;

    return week;

}

根据日期判断是星期几（zeller公式）

原文：http://blog.csdn.net/u012566693/article/details/45484089