php实现google样式的分页

废话不多说,直接看代码吧 Pager.class.php 代码如下 class Pager{ /** *int总页数 **/ protected $pageTotal ; /** **/ protected $previous ; /** **/ protected $next ; /** *int中间页起始序号 **/ protected $startPage ; /** *int中间页终止序号 **/ pr

废话不多说,直接看代码吧

Pager.class.php 代码如下

1. class Pager {
2. /**
3. *int 总页数
4. * */
5. protected $pageTotal;
6. /**
8. * */
9. protected $previous;
10. /**
12. * */
13. protected $next;
14. /**
15. *int 中间页起始序号
16. * */
17. protected $startPage;
18. /**
19. *int 中间页终止序号
20. * */
21. protected $endPage;
22. /**
23. *int 记录总数
24. * */
25. protected $recorbTotal;
26. /**
27. *int 每页显示记录数
28. * */
29. protected $pageSize;
30. /**
31. *int 当前显示页
32. * */
33. protected $currentPage;
34. /**
35. *string 基url地址
36. * */
37. protected $baseUri;
39. /**
40. * @return string 获取基url地址
41. */
42. public function getBaseUri() {
43. return $this->baseUri;
44. }
46. /**
47. * @return int 获取当前显示页
48. */
49. public function getCurrentPage() {
50. return $this->currentPage;
51. }
53. /**
54. * @return int 获取每页显示记录数
55. */
56. public function getPageSize() {
57. return $this->pageSize;
58. }
60. /**
61. * @return int 获取记录总数
62. */
63. public function getRecorbTotal() {
64. return $this->recorbTotal;
65. }
67. /**
68. * @param string $baseUri 设置基url地址
69. */
70. public function setBaseUri($baseUri) {
71. $this->baseUri = $baseUri;
72. }
74. /**
75. * @param int $currentPage 设置当前显示页
76. */
77. public function setCurrentPage($currentPage) {
78. $this->currentPage=$currentPage;
79. }
81. /**
82. * @param int $pageSize 设置每页显示记录数
83. */
84. public function setPageSize($pageSize) {
85. $this->pageSize = $pageSize;
86. }
88. /**
89. * @param int $recorbTotal 设置获取记录总数
90. */
91. public function setRecorbTotal($recorbTotal) {
92. $this->recorbTotal = $recorbTotal;
93. }
95. /**
96. *构造函数
97. * */
98. public function __construct()
99. {
100. $this->pageTotal = 0;
101. $this->previous = 0;
102. $this->next = 0;
103. $this->startPage = 0;
104. $this->endPage = 0;
106. $this->pageSize = 20;
107. $this->currentPage = 0;
108. }
110. /**
111. *分页算法
112. * */
113. private function arithmetic() {
114. if ($this->currentPage
115. $this->currentPage = 1;
117. $this->pageTotal = floor ( $this->recorbTotal / $this->pageSize ) + ($this->recorbTotal % $this->pageSize > 0 ? 1 : 0);
119. if ($this->currentPage > 1 && $this->currentPage > $this->pageTotal)
120. header ( 'location:' . $this->baseUri . 'page=' . $this->pageTotal );
122. $this->next = $this->currentPage + 1;
123. $this->previous = $this->currentPage - 1;
125. $this->startPage = ($this->currentPage + 5) > $this->pageTotal ? $this->pageTotal - 10 : $this->currentPage - 5;
126. $this->endPage = $this->currentPage $this->currentPage + 5;
128. if ($this->startPage
129. $this->startPage = 1;
131. if ($this->pageTotal $this->endPage)
132. $this->endPage = $this->pageTotal;
133. }
135. /**
136. *分页样式
137. * */
138. protected function pageStyle() {
139. $result = "共" . $this->pageTotal . "页 ";
141. if ($this->currentPage > 1)
142. $result .= " . $this->baseUri . "page=1/">9 . $this->baseUri . "page=$this->previous/">3";
143. else
144. $result .= "9 3";
146. for($i = $this->startPage; $i $this->endPage; $i ++) {
147. if ($this->currentPage == $i)
148. $result .= " $i";
149. else
150. $result .= " . $this->baseUri . "page=$i/">$i";
151. }
153. if ($this->currentPage != $this->pageTotal) {
154. $result .= " . $this->baseUri . "page=$this->next/">4";
155. $result .= " . $this->baseUri . "page=$this->pageTotal/">:";
156. } else {
157. $result .= " 4 :";
158. }
159. return $result;
160. }
162. /**
163. *执行分页
164. * */
165. public function execute() {
166. if ($this->baseUri != "" && $this->recorbTotal == 0)
167. return "";
168. $this->arithmetic();
169. return $this->pageStyle ();
170. }
171. }