php万年历

<script
type="text/javascript"
src="../../03-jQuery/js/jquery-1.10.2/jquery.js"></script>
<?php
header("Content-type:text/html;charset=utf-8");
/**
* Created by PhpStorm.
* User: lanouhn
* Date: 2017/8/24
* Time: 10:10
*/
//获取当前的年,月
$year
=
isset($_GET['year'])
&& !empty($_GET['year'])?$_GET['year']:date('Y');
$month
=
isset($_GET['month'])
&& !empty($_GET['month'])?$_GET['month']:date('m');
//if (!is_numeric($year) || !is_numeric($month)){
// echo "<script>alert('请输入数字')</script>";
// $year = date('Y');
// $month = date('m');
//}
//判断下一月
if($month==12){
//12
$next_month=1;
$next_year
=
$year+1;
}else{
//1-11
$next_month=$month+1;
$next_year
=
$year;
}

//判断上一月
if($month==1){
//1
$last_month=12;
$last_year
=
$year-1;
}else{
//2-12
$last_month=$month-1;
$last_year
=
$year;
}

//获取当月一共多少天
$days
=
date('t');

//获取本月一号对应的是星期几
,也就是说前面要有几个空td
$weeks
=
date('w',mktime(0,0,0,$month,1,$year));

//获取当前月份的第几天
$day1=
date('d');

//获取上个月的总天数
//$last_month = $month - 1;
$stamp
=
mktime(0,0,0,$last_month,1,$year);
$last_days
=date('t',$stamp);

//判断空几格
if
($weeks>0){
$l=$weeks-1;
}else{
$l=6;
}

$temp
=
$l;
?>

<style>
.last_month{
color:
#A9A9A9;
}
td{
border:
1px solid
#646464;
}
td:hover{
border:
1px solid
#ffd139;
}
#btn,.btn{
border-radius:
5px;
background-color:
#ffd139;
border-color:
#f3e89b;
}
caption a{
text-decoration-line:
none;
color:
#363636;
font-weight:
bold;
}
caption a:hover{
color:
#6e6e6e;
}
#year,#month{
border-radius:
3px;
background-color:
rgba(255,
244,
164,
0.61);
border-color:
#f3e89b;
}
</style>

<!--表单-->
<form
action="10-Almanac.php"
id="form1">
<input
type="text"
name="year"
placeholder="请输入年"
value="<?php
echo
$year?>"
id="year">
<input
type="text"
name="month"
placeholder="请输入月"
value="<?php
echo
$month?>"
id="month">
<input
type="button"
value="提交"
id="btn">
</form>

<table
width="500"
border="1"
cellspacing="0"
cellpadding="0"
style="text-align:
center "
>
<caption
style="text-align:
left;"><?php
echo
$year;
?>年<?php
echo
$month;
?>月<a
href="10-Almanac.php"
style="float:
right">刷新</a></caption>
<tr
bgcolor="#bdb76b">
<th>一</th>
<th>二</th>
<th>三</th>
<th>四</th>
<th>五</th>
<th>六</th>
<th>七</th>
</tr>
<tr>
<!--{里面加空格?>
表示1号对应的星期几
前面要空格-->
<?php

//上个月天数
for($j=$last_days-$l+1;$j<=$last_days;$j++){
?>
<td
class="last_month"><?php
echo
$j;
?></td>
<?php }
?>

<!--for
计算当前月份天数-->
<?php
for($i=1;$i<=$days;$i++){

//添加背景颜色
if($i==$day1){
$color
=
"pink";
}else{
$color
=
"#999";
}?>

<!--判断换行-->
<?php
$l++;
?>
<?php
if($l%7==0){
?>
<td
bgcolor="<?php
echo
$color?>"><?php
echo
$i;
?></td>
</tr>
<tr>
<?php }else
{ ?>
<td
bgcolor="<?php
echo
$color?>"><?php
echo
$i;?></td>
<?php }
?>
<?php } ?>

<!--获取下个月剩余天数-->
<?php
if($temp+$days<=35){
$total=35;
}else{
$total=42;
}
?>
<?php
for($z=1;$z<=$total-$l;$z++){
?>
<?php
if($l
%
7
==
0){?>
<td
class="last_month"
><?php
echo
$z;?></td>
</tr>
<tr>
<?php }else{?>
<td
class="last_month"><?php
echo
$z;?></td>
<?php }}?>
</tr>
<!--上一页
下一页-->
<tr>
<td
colspan="7">
<a
href="10-Almanac.php?month=<?php
echo
$last_month?>&year=<?php
echo
$last_year?>"><button
class="btn">上一月</button></a>
                        
<a
href="10-Almanac.php?month=<?php
echo
$next_month?>&year=<?php
echo
$next_year?>"><button
class="btn">下一月</button></a>
</td>
</tr>
</table>

<script>
$('#btn').click(function
()
{
$('#form1').submit();
var
year
=
$('#year').val();
var
month
=
$('#month').val();
year
=
Number(year);
month
=
Number(month);
if(
isNaN(year)
||
year
==
0){
alert('请输入正确年份!');
return false;
}
if(
isNaN(month)
||
month
==
0){
alert('请输入正确月份!');
return false;
}
})
</script>