效果图：
代码如下：
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<
html
>
<
head
>
<
meta
http-equiv
=
"Content-Type"
content
=
"text/html; charset=utf-8"
/>
<
title
>日历操作</
title
>
<
script
>
window.onload = function(){
var cells = document.getElementById('monitor').getElementsByTagName('td');
var clen = cells.length;
var currentFirstDate;
var formatDate = function(date){
var year = date.getFullYear()+'年';
var month = (date.getMonth()+1)+'月';
var day = date.getDate()+'日';
var week = '('+['星期天','星期一','星期二','星期三','星期四','星期五','星期六'][date.getDay()]+')';
return year+month+day+' '+week;
};
var addDate= function(date,n){
date.setDate(date.getDate()+n);
return date;
};
var setDate = function(date){
var week = date.getDay()-1;
date = addDate(date,week*-1);
currentFirstDate = new Date(date);
for(var i = 0;i<
clen
;i++){
cells[i]
.innerHTML
=
formatDate
(i==0 ? date : addDate(date,1));
}
};
document.getElementById('last-week')
.onclick
=
function
(){
setDate(addDate(currentFirstDate,-7));
};
document.getElementById('next-week')
.onclick
=
function
(){
setDate(addDate(currentFirstDate,7));
};
setDate(new Date());
}
</script>
</
head
>
<
body
>
<
button
id
=
"last-week"
>上一周</
button
><
button
id
=
"next-week"
>下一周</
button
>
<
table
id
=
"monitor"
>
<
tr
>
<
td
></
td
>
<
td
></
td
>
<
td
></
td
>
<
td
></
td
>
<
td
></
td
>
<
td
></
td
>
<
td
></
td
>
</
tr
>
</
table
>
</
body
>
</
html
>
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