php日历代码分享 简单实用的php日历代码

<?php
header("content-type:text/html;charset=utf-8"); 
?> 
<meta http-equiv="content-type" content="text/html;charset=utf-8"> 
<style> 
form{ 
    margin:0px; 
    padding:0px; 
} 
td{ 
    text-align:center; 
    width:80px; 
} 
</style> 
<?php
/**
* 简单实用的php日历代码
* edit: www.jb200.com
*/
if(!emptyempty($_GET)){ 
    $year = $_GET['year']; 
    $month = $_GET['month']; 
} 
if(emptyempty($year)){ 
    $year = date('Y'); 
} 
if(emptyempty($month)){ 
    $month = date('m'); 
} 
$start_weekday = date('w',mktime(0,0,0,$month,1,$year)); 
//echo $start_weekday; 
$days = date('t',mktime(0,0,0,$month,1,$year)); 
//echo $days; 
$week = array('星期日','星期一','星期二','星期三','星期四','星期五','星期六'); 
$i = 0; 
$k = 1; 
$j = 0; 
echo '<table border = "1">'; 
echo '<tr><td colspan = 7 style = "text-align:center">'.$year.'年'.$month.'月'.'</td></tr>'; 
echo '<tr>'; 
for($i = 0;$i < 7;$i++){ 
    echo '<td>'.$week[$i].'</td>'; 
} 
echo '</tr>'; 
echo '<tr>'; 
for($j = 0;$j < $start_weekday;$j++){ 
    echo '<td style="color:#FFFFFF">'.$j.'</td>'; 
} 
while($k <= $days){ 
    if($k == date('d')){ 
        echo '<td style="color:red">'.$k.'</td>'; 
    }else{ 
        echo '<td>'.$k.'</td>'; 
    } 
    if(($j+1) % 7 == 0){ 
        echo '</tr><tr>'; 
    } 
    $j++; 
    $k++; 
} 
while($j % 7 != 0){ 
    echo '<td style="color:#FFFFFF">'.$j.'</td>'; 
    $j++; 
} 
echo '</tr>'; 
 
echo '<tr>'; 
echo "<td><a href=?".lastYear($year,$month).">".'<<'.'</a></td>'; 
echo "<td><a href=?".lastMonth($year,$month).">".'<'.'</a></td>'; 
echo '<td colspan = 3 style = "text-align:center">'; 
echo '<form name = "myform" method = "GET">'; 
echo '<select name = year >'; 
for($start_year = 1970;$start_year<2039;$start_year++){ 
 echo '<option value ='. $start_year.'>'.$start_year.'</option>'; 
} 
echo '</select>'.'年'; 
echo '<select name = month>'; 
for($start_month = 1;$start_month<=12;$start_month++){ 
 echo '<option value = '.$start_month.'>'.$start_month.'</option>'; 
} 
echo '</select>'; 
echo '月'; 
echo '<input type = "submit" name = "search" value = "查询">'; 
echo '</form>'; 
echo '</td>'; 
echo "<td><a href=?".nextYear($year,$month).">".'>>'.'</a></td>'; 
echo "<td><a href=?".nextMonth($year,$month).">".'>'.'</a></td>'; 
echo '</tr>'; 
echo '</table>'; 
 
function lastYear($year,$month){ 
 $year = $year-1; 
 return "year=$year&month=$month"; 
} 
function lastMonth($year,$month){ 
 if($month == 1){ 
  $year = $year -1; 
  $month = 12; 
 }else{ 
  $month--; 
 } 
 return "year=$year&month=$month"; 
} 
function nextYear($year,$month){ 
 $year = $year+1; 
 return "year=$year&month=$month"; 
} 
function nextMonth($year,$month){ 
 if($month == 12){ 
  $year = $year +1; 
  $month = 1; 
 }else { 
  $month++; 
 } 
 return "year=$year&month=$month"; 
} 
?>