php生成翻页链接列表的函数举例

2. /**
3. * 生成页码列表
4. * @param int $element_total_count 元素总数
5. * @param int $current_page 当前页
6. * @param int $per_page_elem_count 每页元素数
7. * @param int $show_page_num 列表显示的页码数
8. * @param string $up_down_class 上下翻页样式
9. * @param string $num_class 当前页页码数字样式
10. * @param string $href 页面链接
11. * @param string $page_symbol 传递页码数的链接参数
12. * @return string
13. * @site bbs.it-home.org
14. */
15. public static function getPageListLink($element_total_count,$current_page=1,$per_page_elem_count=10,
16. $show_page_num=10,$up_down_class='',$num_class='',$href='',$page_symbol='p')
17. {
18. if(empty($href)) {
19. //自动取得剔除页码参数的页面链接
20. $page_name = basename($_SERVER['PHP_SELF']);
21. $params = $_SERVER['QUERY_STRING'];
22. $params_str = '';
23. if(!empty($params)) {
24. $params = str_replace('&', '&', $params);
25. $params_array = explode('&', $params);
26. foreach($params_array as $param) {
27. if(!empty($param)) {
28. $index = strpos($param, '=');
29. if($index) {
30. $key = substr($param, 0, $index);
31. if($key && $key != $page_symbol)
32. $params_str .= $param . '&';
33. }
34. }
35. }
36. }
37. if(!empty($params_str))
38. $href = $page_name . '?' . $params_str;
39. else
40. $href = $page_name;
41. $href = rtrim($href,'&');
42. }
43. $prefix = strpos($href,"?") ? "&" : "?";
44. $prefix .= $page_symbol;
45. $page_total_count = ceil($element_total_count/$per_page_elem_count);
46. if(intval($element_total_count) return '';
47. }
48. if($element_total_count return '';
49. if($current_page>$page_total_count)
50. $current_page = 1;
51. if(strpos($href,"#")) {
52. $label = substr($href,strpos($href,"#"));
53. $href = substr($href,0,strpos($href,"#"));
54. }
55. /* 生成页码 */
56. if($current_page > ceil($show_page_num/2)) {
57. $start = $current_page - ceil($show_page_num/2);
58. $end = (($current_page+ceil($show_page_num/2)) $current_page+ceil($show_page_num/2)-1 : $page_total_count;
59. } else {
60. $start = 1;
61. $end = ($show_page_num>$page_total_count) ? $page_total_count : $show_page_num;
62. }
63. if(!empty($num_class))
64. $num_class_str = ' class="'.$num_class.'"';
65. else
66. $num_class_str = '';
67. $page_num_string = '';
68. for($i=$start;$i if(intval($i) == intval($current_page))
69. $page_num_string .= ''.$i.'';
70. else
71. $page_num_string .= ''.$i.'';
72. }
73. /* 上下翻页 */
74. $prev_page = (intval($current_page-1)>0)?intval($current_page-1):0;
75. $next_page = (intval($current_page) if(!empty($up_down_class))
76. $up_down_class_str = ' class="'.$up_down_class.'"';
77. else
78. $up_down_class_str = '';
79. $page_up_string = '';
80. if(intval($prev_page) > 0)
81. $page_up_string = '上一页';
82. else
83. $page_up_string = '上一页';
84. $page_down_string = '';
85. if(intval($next_page) > 0)
86. $page_down_string .= '下一页';
87. else
88. $page_down_string .= '下一页';
89. return $page_up_string . $page_num_string . $page_down_string;
90. }

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