1. /**
    2.  * 计算出两个时间的间隔
    3.  * @param startDate 起始时间
    4.  * @param endDate 结束时间
    5.  */
    6. public class DateUtils {
    7.     public static String getDatePoor(Date startDate, Date endDate) {
    8.         long nd = 1000 * 24 * 60 * 60;
    9.         long nh = 1000 * 60 * 60;
    10.         long nm = 1000 * 60;
    11.         long ns = 1000;
    12.         // 获得两个时间的毫秒时间差异
    13.         long diff = endDate.getTime() - startDate.getTime();
    14.         // 计算差多少天
    15.         long day = diff / nd;
    16.         // 计算差多少小时
    17.         long hour = diff % nd / nh;
    18.         // 计算差多少分钟
    19.         long min = diff % nd % nh / nm;
    20.         // 计算差多少秒
    21.         long sec = diff % nd % nh % nm / ns;
    22.         return day + "天" + hour + "小时" + min + "分钟" + sec + "秒";
    23.     }
    24. }