java 获取开始日期到结束日期的具体天数

/** 获取开始日期到结束日期的天数
* @param beginDay
* @param endDay
* @return
* Administrator Mar 28, 2011 10:27:56 AM
*/
public List<String> getDays(String beginDay , String endDay){
List<String> list = new ArrayList<String>();
try {
log.info("beginDay="+beginDay+" endDay="+endDay);
java.text.SimpleDateFormat format = new java.text.SimpleDateFormat("yyyy-MM-dd");
java.util.Date beginDate= format.parse(beginDay);
java.util.Date endDate= format.parse(endDay);
long day=(endDate.getTime()-beginDate.getTime())/(24*60*60*1000);
int dayNum= Integer.parseInt(String.valueOf(day));
if(dayNum>-1){
for(int i=0;i<=dayNum;i++){
list.add(getDateAdd(beginDay,i));
}
}
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return list;
}


getDateAdd 方法参考

http://51876.iteye.com/blog/980395