String s1 = "2012-02-01";
String s2 = "2012-04-04";
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Date begin=sdf.parse(s1);
Date end=sdf.parse(s2);
double between=(end.getTime()-begin.getTime())/1000;//除以1000是为了转换成秒
double day=between/(24*3600);
for(int i = 1;i<=day;i++){
Calendar cd = Calendar.getInstance();
cd.setTime(sdf.parse(s1));
cd.add(Calendar.DATE, i);//增加一天
//cd.add(Calendar.MONTH, n);//增加一个月
System.out.println(sdf.format(cd.getTime()));
}
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