Calendar calendar= Calendar.getInstance();
calendar.setTime(new Date());
int i=0;
while(i<days){
calendar.add(Calendar.DATE,-1);//整数往后推日期,负数往前推日期
i++;
if(calendar.get(Calendar.DAY_OF_WEEK)==Calendar.SATURDAY ||
calendar.get(Calendar.DAY_OF_WEEK)==Calendar.SUNDAY){
i--;
}
}
SimpleDateFormat sm = new SimpleDateFormat();
System.out.println("时间:"+sm.format(calendar.getTime()));