你见过日期能相加么,看看这段代码:- <script language="JavaScript">
- <!--
- function addDate(type,NumDay,dtDate){
- var date = new Date(dtDate)
- type = parseInt(type) //类型
- lIntval = parseInt(NumDay)//间隔
- switch(type){
- case 6 ://年
- date.setYear(date.getYear() + lIntval)
- break;
- case 7 ://季度
- date.setMonth(date.getMonth() + (lIntval * 3) )
- break;
- case 5 ://月
- date.setMonth(date.getMonth() + lIntval)
- break;
- case 4 ://天
- date.setDate(date.getDate() + lIntval)
- break
- case 3 ://时
- date.setHours(date.getHours() + lIntval)
- break
- case 2 ://分
- date.setMinutes(date.getMinutes() + lIntval)
- break
- case 1 ://秒
- date.setSeconds(date.getSeconds() + lIntval)
- break;
- default:
-
- }
- return date.getYear() +'-' + (date.getMonth()+1) + '-' +date.getDate()+ ' '+ date.getHours()+':'+date.getMinutes()+':'+date.getSeconds()
- }
- document.write(addDate("5",5,"2005/5/21 00:00:00"))
- //-->
- </script>
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