效果：今天是：星期五今天是：礼拜五2010-12-12是：礼拜日

[PHP]代码

<?php  function getWeekName($data,$format = '星期')  {      $week   =  date( "D ",$data);       switch($week)       {           case "Mon ":               $current   =   $format."一";               break;           case "Tue ":               $current   =   $format."二";               break;           case "Wed ":               $current   =   $format."三";               break;           case "Thu ":               $current   =   $format."四";               break;           case "Fri ":               $current   =   $format."五";               break;           case "Sat ":               $current   =   $format."六";               break;           case "Sun ":               $current   =   $format."日";               break;       }       return $current;  }    echo '今天是：'.getWeekName(time(),'星期');  echo '<br>';  echo '今天是：'.getWeekName(time(),'礼拜');  echo '<br>';  echo '2010-12-12是：'.getWeekName(strtotime('2010-12-12'),'礼拜');  ?>