Date t = new Date();
int day = t.getDay();
switch (day) {
case 0:
break;
case 1:
break;
case 2:
break;
case 3:
break;
case 4:
break;
case 5:
break;
case 6:
break;
}原文：http://luoguoxin.blog.51cto.com/8845916/1613493