后台打印订单时间对象打印出来不对？

Question

我的网站www.iyang.com后台打印客户订单每次打印出来的时间对象不对？哪位大神看看哪里出错了！<script>var hali= new Date();var monthnow=hali.getMonth();var datenow=hali.setDate(21);var yearnow=hali.setFullYear(2017);document.write("it's "+datenow+" in the month of "+monthnow+" in the year of "+yearnow+"<br/>");</script>

Answer 1

set改get，函数不要传参，月份+1