php分页类代码与分页调用截图

3. class Page {

4. private $total; //总记录
5. private $pagesize;//每页显示多少条
6. private $limit; //limit
7. private $page; //当前页码
8. private $pagenum; //总页码
9. private $url; //地址
10. private $bothnum; //两边保持数字分页的量

11. //构造方法初始化

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

21. //拦截器

22. private function __get($_key) {
23. return $this->$_key;
24. }

25. //获取当前页码

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

41. //获取地址

42. private function setUrl() {
43. $_url = $_SERVER["REQUEST_URI"];
44. $_par = parse_url($_url);
45. if (isset($_par['query'])) {
46. parse_str($_par['query'],$_query);
47. unset($_query['page']);
48. $_url = $_par['path'].'?'.http_build_query($_query);
49. }
50. return $_url;
51. }

52. //数字目录

53. private function pageList() {
54. for ($i=$this->bothnum;$i>=1;$i--) {
55. $_page = $this->page-$i;
56. if ($_page < 1) continue;
57. $_pagelist .= ' url.'&page='.$_page.'">'.$_page.' ';
58. }
59. $_pagelist .= ' '.$this->page.' ';
60. for ($i=1;$i<=$this->bothnum;$i++) {
61. $_page = $this->page+$i;
62. if ($_page > $this->pagenum) break;
63. $_pagelist .= ' url.'&page='.$_page.'">'.$_page.' ';
64. }
65. return $_pagelist;
66. }

67. //首页

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

73. //上一页

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

80. //下一页

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

87. //尾页

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

93. //分页信息

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

2，php分页类调用示例

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

3，php分页效果截图