5.33Java 三星题 current date and time

注意事项：

1:long totalsec=(long)(System.currentTimeMillis()/1000);//获取从1970年1月1日至今的总毫秒数
，并且将总毫秒数转化为秒数

2:计算出总秒数totalsec，依次转换为年月日时分秒,转换为年月后，用totalsec取整取余的方法来计算时分秒比较简单

3：将月份用字符串表示String Months;//将确定月份转换成英文格式  
switch (month) 

4：输出days应该+1，因为是从1970年1号开始计算日期的

5: 用数组存储一个月的天数：int day[]={ 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };

代码：

<pre class="cpp" name="code">import java.util.*;public class Currenttime {/** * @param args */public static void main(String[] args) {// TODO Auto-generated method stublong totalsec = (long) (System.currentTimeMillis() / 1000);// 获取从1970年1月1日至今的总毫秒数// 并且将总毫秒数转化为秒数；int day[] = { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };int year = 1970, month = 1, days, hours, minutes, seconds;long yearsec = 365 * 24 * 3600;long daysec = 24 * 3600;long hoursec = 3600;long minutesec = 60;while (totalsec > yearsec)// 确定年数{totalsec -= yearsec;if ((year % 4 == 0 && year % 100 != 0) || (year % 400 == 0))totalsec -= daysec;year++;}int i = 1;// 确定月份if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0)// 确定年份后如果今年是闰年则2月为29天，否则不变day[2] = 29;while (totalsec >= daysec * day[i]) {month++;totalsec -= daysec * day[i];i++;}String Months;// 将确定月份转换成英文格式switch (month) {case 1:Months = "January";break;case 2:Months = "February";break;case 3:Months = "March";break;case 4:Months = "April";break;case 5:Months = "May";break;case 6:Months = "June";break;case 7:Months = "Jule";break;case 8:Months = "August";break;case 9:Months = "September";break;case 10:Months = "October";break;case 11:Months = "November";break;case 12:Months = "December";break;default:Months = "Error!";break;}days = (int) (totalsec / daysec);// 确定日期totalsec %= daysec;hours = (int) (totalsec / hoursec);// 确定小时totalsec %= hoursec;minutes = (int) (totalsec / minutesec);// 确定分钟totalsec %= minutesec;// 确定秒数System.out.println("Current date and time is " + Months + " "+ (days + 1) + " " + year + " " + hours + ": " + minutes + ": "+ totalsec);}}

问题：但是输出时间为什么老是只有小时是错误的，而年月日分钟秒钟却是对的