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 $_pagelist .= ' '.$_page.' ';
60. }
61. $_pagelist .= ' '.$this->page.' ';
62. for ($i=1;$ibothnum;$i++) {
63. $_page = $this->page+$i;
64. if ($_page > $this->pagenum) break;
65. $_pagelist .= ' '.$_page.' ';
66. }
67. return $_pagelist;
68. }

69. //首页

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

75. //上一页

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

82. //下一页

83. private function next() {
84. if ($this->page == $this->pagenum) {
85. return '下一页';
86. }
87. return ' 下一页 ';
88. }

89. //尾页

90. private function last() {
91. if ($this->pagenum - $this->page > $this->bothnum) {
92. return ' ...'.$this->pagenum.' ';
93. }
94. }

95. //分页信息

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

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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. ?>

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