📄 13.32 生日提醒器.htm
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<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>标题页</title>
<SCRIPT LANGUAGE="JavaScript">
function birthday(year,month,date,person) //一个生日对象,包括年、月日和人名
{
this.year=year
this.month=month
this.date=date
this.person=person
}
function personList() //创建一个空的列表对象
{ }
pList=new personList() //创建用户列表项
pList[0]= new birthday(82,1,16,"张三") //在列表项中添加生日对象
pList[1]= new birthday(33,9,27,"李四")
pList[2]= new birthday(66,3,1,"王五")
pList[3]= new birthday(79,4,27,"赵六")
pList[4]= new birthday(80,6,2,"小明")
pList[5]= new birthday(50,11,24,"晓红")
var now=new Date() //获取今天的日期
today=new Date(now.getYear(),now.getMonth(),now.getDate()) //设置一个对象,一般为年月日0:00:00
function daysFromToday(sdate) {
return Math.round((sdate.getTime()-today.getTime())/(24*60*60*1000))//返回一个指定日期距今天的时间
}
function writeNextBirthday(list)
{
var daysToClosest=366
var closest
for (var i in list) //遍历列表中的每一项
{
thisDate=new Date(today.getYear(),list[i].month,list[i].date) //获取朋友生日的月日
if (daysFromToday(thisDate)<0) //如果生日已经过了,则计算到下一年
thisDate.setYear(today.getYear()+1)
if (daysFromToday(thisDate)<daysToClosest) {
daysToClosest=daysFromToday(thisDate) //计算距生日的天数-找出最近的一个
closest=i
}
}
if (daysToClosest==0)
document.write("<B>今天 "+list[closest].person+" 已经 "+(today.getYear()-list[closest].year)+" 岁了 !!!</B><P>")
else if (daysToClosest==1)
document.write("明天 "+list[closest].person+" 即将 "+(today.getYear()-list[closest].year)+" 岁了!<P>")
else
document.write("最近一个过生日的是"+list[closest].person+" 还有 "+daysToClosest+" 天.<P>")
}
</SCRIPT>
</head>
<body>
<SCRIPT LANGUAGE="JavaScript">
writeNextBirthday(pList) //动态输出最近要过生日的对象
</SCRIPT>
</body>
</html>
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