mysql分页函数

    /* $per_page每页记录数     * $total记录总数     * $url 基准URL     * $crr 当前页     * $link_count 链接数量     * $anchor 锚标记     */    function pages_output($total,$per_page,$url,$crr=1,$anchor=array(),$link_count=4){          $count=ceil($total/$per_page);     //求总页数          $next = $crr+1<=$count? $crr+1:$count;          $pre = $crr-1>0? $crr-1:1;          $url = trim($url);          if(!empty($anchor)){               foreach($anchor as $k=>$v){                    $tips .='&'.$k.'='.$v;               }          }          $content = '<style type="text/css">';              $content .= '.anppager {color: #646464;font-weight: bold;margin: 15px 0 0;padding: 0 0 10px 15px; text-align:center;}';          $content .= '.anppager a { display:inline-block; background: none repeat scroll 0 0 #FFFFFF;border: 1px solid #8D8D8D;color:#646464;     margin-right: 3px;padding: 2px 6px 1px;text-decoration: none;vertical-align:top;}';          $content .= '.anppager a.activate, .anppager a:hover {background: none repeat scroll 0 0 #FFBA00;border: 1px solid #646464; color: #2B2B2B;}';          $content .= '.anppager span {display:inline-block; background: none repeat scroll 0 0 #FFFFFF;border: 1px solid #F1F1F1;color: #B6B6B6;    margin-right: 3px;padding: 2px 6px 1px;vertical-align:top;}';          $content .= '</style>';                   $pre_url = $url."?page=".$pre.$tips;          $next_url = $url."?page=".$next.$tips;          $last_url = $url."?page=".$count.$tips;          $begin = max(1, ($crr - intval($link_count/2)));              $ends = min(($begin + $link_count - 1), $count);     // $ends, 显示时的终止页码.          $begin = max(1, ($ends - $link_count + 1));     // $begin, 显示时的起始页码.                   $content.='<div class="anppager clear">';        $content.='<a href="'.$url.'?page=1'.$tips.'">首页</a>';        $content.='<a href="'.$pre_url.'">上一页</a>';                 for($i=0;$begin+$i<=$ends;$i++){               $page = $begin+$i;               $content.= $crr==($begin+$i)? '<a class="activate" href="'.$url.'?page='.$page.$tips.'">'.$page.'</a>':'<a href="'.$url.'?page='.$page.$tips.'">'.$page.'</a>';          }                   $content .='<a href=\''.$next_url.'\'>下一页</a>';          $content .='<a href=\''.$last_url.'\'>尾页</a>';          $content .='转到';          $content .='<select id=\'JumpSelect\' name=\'NowPage\' size=\'1\'onChange="window.location.href = \''.$url.'?page=\'+this.value+\''.$tips.'\'">';        for($i=1;$i<=$count;$i++){             $content .=$i==$crr? '<option value=\''.$i.'\' selected="selected">'.$i.'</option>':'<option value=\''.$i.'\'>'.$i.'</option>';        }        $content .='</select>                页            </div>';                   return $content;     }