超好用php分页类及调用方法

3. /**

4. * php分页类代码
5. * edit: bbs.it-home.org
6. */
7. class Page {
8. private $total; //总记录
9. private $pagesize;//每页显示多少条
10. private $limit; //limit
11. private $page; //当前页码
12. private $pagenum; //总页码
13. private $url; //地址
14. private $bothnum; //两边保持数字分页的量

15. //构造方法初始化

16. public function __construct($_total, $_pagesize) {
17. $this->total = $_total ? $_total : 1;
18. $this->pagesize = $_pagesize;
19. $this->pagenum = ceil($this->total / $this->pagesize);
20. $this->page = $this->setPage();
21. $this->limit = "LIMIT ".($this->page-1)*$this->pagesize.",$this->pagesize";
22. $this->url = $this->setUrl();
23. $this->bothnum = 2;
24. }

25. //拦截器

26. private function __get($_key) {
27. return $this->$_key;
28. }

29. //获取当前页码

30. private function setPage() {
31. if (!empty($_GET['page'])) {
32. if ($_GET['page'] > 0) {
33. if ($_GET['page'] > $this->pagenum) {
34. return $this->pagenum;
35. } else {
36. return $_GET['page'];
37. }
38. } else {
39. return 1;
40. }
41. } else {
42. return 1;
43. }
44. }

45. //获取地址

46. private function setUrl() {
47. $_url = $_SERVER["REQUEST_URI"];
48. $_par = parse_url($_url);
49. if (isset($_par['query'])) {
50. parse_str($_par['query'],$_query);
51. unset($_query['page']);
52. $_url = $_par['path'].'?'.http_build_query($_query);
53. }
54. return $_url;
55. } //数字目录
56. private function pageList() {
57. for ($i=$this->bothnum;$i>=1;$i--) {
58. $_page = $this->page-$i;
59. if ($_page < 1) continue;
60. $_pagelist .= ' url.'&page='.$_page.'">'.$_page.' ';
61. }
62. $_pagelist .= ' '.$this->page.' ';
63. for ($i=1;$i<=$this->bothnum;$i++) {
64. $_page = $this->page+$i;
65. if ($_page > $this->pagenum) break;
66. $_pagelist .= ' url.'&page='.$_page.'">'.$_page.' ';
67. }
68. return $_pagelist;
69. }

70. //首页

71. private function first() {
72. if ($this->page > $this->bothnum+1) {
73. return ' url.'">1 ...';
74. }
75. }

76. //上一页

77. private function prev() {
78. if ($this->page == 1) {
79. return '上一页';
80. }
81. return ' url.'&page='.($this->page-1).'">上一页 ';
82. }

83. //下一页

84. private function next() {
85. if ($this->page == $this->pagenum) {
86. return '下一页';
87. }
88. return ' url.'&page='.($this->page+1).'">下一页 ';
89. }

90. //尾页

91. private function last() {
92. if ($this->pagenum - $this->page > $this->bothnum) {
93. return ' ...url.'&page='.$this->pagenum.'">'.$this->pagenum.' ';
94. }
95. }

96. //分页信息

97. public function showpage() {
98. $_page .= $this->first();
99. $_page .= $this->pageList();
100. $_page .= $this->last();
101. $_page .= $this->prev();
102. $_page .= $this->next();
103. return $_page;
104. }
105. }
106. ?>

分页样式：

使用说明：

2. $_page = new Page($_total,$_pagesize); //其中 $_total 是数据集的总条数,$_pagesize 是每页显示的数量.
3. ?>