-
- /**
- * 生成页码列表
- * @param int $element_total_count 元素总数
- * @param int $current_page 当前页
- * @param int $per_page_elem_count 每页元素数
- * @param int $show_page_num 列表显示的页码数
- * @param string $up_down_class 上下翻页样式
- * @param string $num_class 当前页页码数字样式
- * @param string $href 页面链接
- * @param string $page_symbol 传递页码数的链接参数
- * @return string
- * @site bbs.it-home.org
- */
- public static function getPageListLink($element_total_count,$current_page=1,$per_page_elem_count=10,
- $show_page_num=10,$up_down_class='',$num_class='',$href='',$page_symbol='p')
- {
- if(empty($href)) {
- //自动取得剔除页码参数的页面链接
- $page_name = basename($_SERVER['PHP_SELF']);
- $params = $_SERVER['QUERY_STRING'];
- $params_str = '';
- if(!empty($params)) {
- $params = str_replace('&', '&', $params);
- $params_array = explode('&', $params);
- foreach($params_array as $param) {
- if(!empty($param)) {
- $index = strpos($param, '=');
- if($index) {
- $key = substr($param, 0, $index);
- if($key && $key != $page_symbol)
- $params_str .= $param . '&';
- }
- }
- }
- }
- if(!empty($params_str))
- $href = $page_name . '?' . $params_str;
- else
- $href = $page_name;
- $href = rtrim($href,'&');
- }
- $prefix = strpos($href,"?") ? "&" : "?";
- $prefix .= $page_symbol;
- $page_total_count = ceil($element_total_count/$per_page_elem_count);
- if(intval($element_total_count)< 1 || !isset($element_total_count)) {
- return '';
- }
- if($element_total_count <= $per_page_elem_count)
- return '';
- if($current_page>$page_total_count)
- $current_page = 1;
- if(strpos($href,"#")) {
- $label = substr($href,strpos($href,"#"));
- $href = substr($href,0,strpos($href,"#"));
- }
- /* 生成页码 */
- if($current_page > ceil($show_page_num/2)) {
- $start = $current_page - ceil($show_page_num/2);
- $end = (($current_page ceil($show_page_num/2))<$page_total_count) ?
- $current_page ceil($show_page_num/2)-1 : $page_total_count;
- } else {
- $start = 1;
- $end = ($show_page_num>$page_total_count) ? $page_total_count : $show_page_num;
- }
- if(!empty($num_class))
- $num_class_str = ' class="'.$num_class.'"';
- else
- $num_class_str = '';
- $page_num_string = '';
- for($i=$start;$i<=$end;$i ) {
- if(intval($i) == intval($current_page))
- $page_num_string .= ''.$i.'';
- else
- $page_num_string .= ''.$i.'';
- }
- /* 上下翻页 */
- $prev_page = (intval($current_page-1)>0)?intval($current_page-1):0;
- $next_page = (intval($current_page)<$page_total_count) ? intval($current_page 1) : 0;
- if(!empty($up_down_class))
- $up_down_class_str = ' class="'.$up_down_class.'"';
- else
- $up_down_class_str = '';
- $page_up_string = '';
- if(intval($prev_page) > 0)
- $page_up_string = '上一页';
- else
- $page_up_string = '上一页';
- $page_down_string = '';
- if(intval($next_page) > 0)
- $page_down_string .= '下一页';
- else
- $page_down_string .= '下一页';
- return $page_up_string . $page_num_string . $page_down_string;
- }
-
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