用if判断日期类型;
然后就可以判断去哪里操作
Calendar cal = Calendar.getInstance();
int data = cal.get(Calendar.DAY_OF_WEEK);
if (data == Calendar.SUNDAY||data == Calendar.SATURDAY){
if(气温30C°以上){
swimming();
}else{
climbing();
}
}else{
if(天气好){
meetings();
}
else{
search();
}
}