switch (new Date().getDay()) {
case 0:
day = "星期天";
break;
case 1:
day = "星期一";
break;
case 2:
day = "星期二";
break;
case 3:
day = "星期三";
break;
case 4:
day = "星期四";
break;
case 5:
day = "星期五";
break;
case 6:
day = "星期六";
}switch(表达式) {
case n: 代码块
break;
case n: 代码块
break;
default: 默认代码块
}站长微信:xiaomao0055
站长QQ:14496453