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php Calender(日历）代码

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12/02
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代码如下： 

 <?php

 /**

  *

  * 我的日历

  * date_default_timezone_set date mktime

  * @param int $year

  * @param int $month

  * @param string $timezone

  * @author fc_lamp

  * @blog: http://www.cnblogs.com/roucheng/

  */

 function myCalender($year = '', $month = '', $timezone = 'Asia/Shanghai')

 {

     date_default_timezone_set ( $timezone );

     $year = abs ( intval ( $year ) );

     $month = abs ( intval ( $month ) );

     //是否是32位机

     if (is32())

     {

         if ($year < 1970 or $year >= 2038)

         {

             $year = date ( 'Y' );

         }

     } else

     {

         if ($year <= 0)

         {

             $year = date ( 'Y' );

         }

     }

     if ($month <= 0 or $month > 12)

     {

         $month = date ( 'm' );

     }

     //上一年

     $pretYear = $year - 1;

     //上一月

     $mpYear = $year;

     $preMonth = $month - 1;

     if ($preMonth <= 0)

     {

         $preMonth = 1;

         $mpYear = $pretYear;

     }

     //下一年

     $nextYear = $year + 1;

     //下一月

     $mnYear = $year;

     $nextMonth = $month + 1;

     if ($nextMonth > 12)

     {

         $nextMonth = 1;

         $mnYear = $nextYear;

     }

     //日历头

     $html = <<<HTML

 <table width="500" border="1">

   <tr align="center">

     <td><a href="?y=$pretYear">上一年</a></td>

     <td><a href="?y=$mpYear&m=$preMonth">上一月</a></td>

      <td><a href="?">回到今天</a></td>

     <td><a href="?y=$mnYear&m=$nextMonth">下一月</a></td>

     <td><a href="?y=$nextYear">下一年</a></td>

   </tr>

   <tr align="center">

     <td colspan="5">{$year}年{$month}月</td>

   </tr>

   <tr>

       <td colspan="5">

         <table width="100%" border="1">

             <tr align="center">

                 <td style="background-color:#DAF0DD;">星期一</td>

                 <td style="background-color:#DAF0DD;">星期二</td>

                 <td style="background-color:#DAF0DD;">星期三</td>

                 <td style="background-color:#DAF0DD;">星期四</td>

                 <td style="background-color:#DAF0DD;">星期五</td>

                 <td style="background-color:#F60;color:#fff;font-weight: bold;">星期六</td>

                 <td style="background-color:#F60;color:#fff;font-weight: bold;">星期天</td>

             </tr>

 HTML;

     $currentDay = date ( 'Y-m-j' );

     //当月最后一天

     $lastday = date ( 'j', mktime ( 0, 0, 0, $nextMonth, 0, $year ) );

     //循环输出天数

     $day = 1;

     $line = '';

     while ( $day <= $lastday )

     {

         $cday = $year . '-' . $month . '-' . $day;

         //当前星期几

         $nowWeek = date ( 'N', mktime ( 0, 0, 0, $month, $day, $year ) );

         if ($day == 1)

         {

             $line = '<tr align="center">';

             $line .= str_repeat ( '<td>&nbsp;</td>', $nowWeek - 1 );

         }

         if ($cday == $currentDay)

         {

             $style = 'style="color:red;"';

         } else

         {

             $style = '';

         }

         $line .= "<td $style>$day</td>";

         //一周结束

         if ($nowWeek == 7)

         {

             $line .= '</tr>';

             $html .= $line;

             $line = '<tr align="center">';

         }

         //全月结束

         if ($day == $lastday)

         {

             if ($nowWeek != 7)

             {

                 $line .= str_repeat ( '<td>&nbsp;</td>', 7 - $nowWeek );

             }

             $line .= '</tr>';

             $html .= $line;

             break;

         }

         $day ++;

     }

     $html .= <<<HTML

         </table>

     </td>

   </tr>

 </table>

 HTML;

     return $html;

 }

 /**

  *

  * 检测是否是32位机

  * @author fc_lamp

  * @blog: fc-lamp.blog.163.com

  */

 function is32()

 {

     $is32 = False;

     if (strtotime ( '2039-10-10' ) === False)

     {

         $is32 = True;

     }

     return $is32;

 }

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