要完成此效果需要两个步骤
第一步：把如下代码加入到<head>区域中
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
page_extension = ".html";
var today = new Date();
var day = today.getDate();
var month = today.getMonth() + 1;
var year = today.getYear();
if (year < 2000)
year = year + 1900;
var offset = today.getDay();
var week;
if(offset != 0) {
day = day - offset;
if ( day < 1) {
if ( month == 1) day = 31 + day;
if (month == 2) day = 31 + day;
if (month == 3) {
if (( year == 00) || ( year == 04)) {
day = 29 + day;
}
else {
day = 28 + day;
}
}
if (month == 4) day = 31 + day;
if (month == 5) day = 30 + day;
if (month == 6) day = 31 + day;
if (month == 7) day = 30 + day;
if (month == 8) day = 31 + day;
if (month == 9) day = 31 + day;
if (month == 10) day = 30 + day;
if (month == 11) day = 31 + day;
if (month == 12) day = 30 + day;
if (month == 1) {
month = 12;
year = year - 1;
}
else {
month = month - 1;
}
}
}
week = month + "-" + day + "-" + year;
page = week + page_extension;
link = "<a href='" + page + "'>这个链接将带你去本周的页面</a>";
// End -->
</script>
第二步：把如下代码加入到<body>区域中
<div align="center">
<script>
document.write(link);
</script>
</div>
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