php分页类与分页函数多种分页样式供选择

3. /**

4. * 页面名称：page_class.php
5. */
6. class Page {
7. private $each_disNums; //每页显示的条目数
8. private $nums; //总条目数
9. private $current_page; //当前被选中的页
10. private $sub_pages; //每次显示的页数
11. private $pageNums; //总页数
12. private $page_array = array (); //用来构造分页的数组
13. private $subPage_link; //每个分页的链接
14. /**
15. *
16. * __construct是SubPages的构造函数，用来在创建类的时候自动运行.
17. * @$each_disNums 每页显示的条目数
18. * @nums 总条目数
19. * @current_num 当前被选中的页
20. * @sub_pages 每次显示的页数
21. * @subPage_link 每个分页的链接
22. * @subPage_type 显示分页的类型
23. *
24. * 当@subPage_type=1的时候为普通分页模式
25. * example：共4523条记录,每页显示10条,当前第1/453页 [首页] [上页] [下页] [尾页]
26. * 当@subPage_type=2的时候为经典分页样式
27. * example：当前第1/453页 [首页] [上页] 1 2 3 4 5 6 7 8 9 10 [下页] [尾页]
28. */
29. function Page($each_disNums, $nums, $current_page, $sub_pages, $subPage_link) {
30. $this->each_disNums = intval($each_disNums);
31. $this->nums = intval($nums);
32. if (!$current_page) {
33. $this->current_page = 1;
34. } else {
35. $this->current_page = intval($current_page);
36. }
37. $this->sub_pages = intval($sub_pages);
38. $this->pageNums = ceil($nums / $each_disNums);
39. $this->subPage_link = $subPage_link;
40. }
41. /**
42. * 照顾低版本
43. */
44. function __construct($each_disNums, $nums, $current_page, $sub_pages, $subPage_linke) {
45. $this->Page($each_disNums, $nums, $current_page, $sub_pages, $subPage_link);
46. }

47. /*

48. __destruct析构函数，当类不在使用的时候调用，该函数用来释放资源。
49. */
50. function __destruct() {
51. unset ($each_disNums);
52. unset ($nums);
53. unset ($current_page);
54. unset ($sub_pages);
55. unset ($pageNums);
56. unset ($page_array);
57. unset ($subPage_link);
58. }

59. /*

60. 用来给建立分页的数组初始化的函数。
61. */
62. function initArray() {
63. for ($i = 0; $i sub_pages; $i++) {
64. $this->page_array[$i] = $i;
65. }
66. return $this->page_array;
67. }

68. /*

69. construct_num_Page该函数使用来构造显示的条目
70. 即使：[1][2][3][4][5][6][7][8][9][10]
71. */
72. function construct_num_Page() {
73. if ($this->pageNums sub_pages) {
74. $current_array = array ();
75. for ($i = 0; $i pageNums; $i++) {
76. $current_array[$i] = $i +1;
77. }
78. } else {
79. $current_array = $this->initArray();
80. if ($this->current_page for ($i = 0; $i $current_array[$i] = $i +1;
81. }
82. }
83. elseif ($this->current_page pageNums && $this->current_page > $this->pageNums - $this->sub_pages + 1) {
84. for ($i = 0; $i $current_array[$i] = ($this->pageNums) - ($this->sub_pages) + 1 + $i;
85. }
86. } else {
87. for ($i = 0; $i $current_array[$i] = $this->current_page - 2 + $i;
88. }
89. }
90. }

91. return $current_array;

92. }

93. /*

94. 构造普通模式的分页
95. 共4523条记录,每页显示10条,当前第1/453页 [首页] [上页] [下页] [尾页]
96. */
97. function subPageCss1() {
98. $subPageCss1Str = "";
99. $subPageCss1Str .= "共" . $this->nums . "条记录，";
100. $subPageCss1Str .= "每页显示" . $this->each_disNums . "条，";
101. $subPageCss1Str .= "当前第" . $this->current_page . "/" . $this->pageNums . "页 ";
102. if ($this->current_page > 1) {
103. $firstPageUrl = $this->subPage_link . "1";
104. $prewPageUrl = $this->subPage_link . ($this->current_page - 1);
105. $subPageCss1Str .= "[首页] ";
106. $subPageCss1Str .= "[上一页] ";
107. } else {
108. $subPageCss1Str .= "[首页] ";
109. $subPageCss1Str .= "[上一页] ";
110. }

111. if ($this->current_page pageNums) {

112. $lastPageUrl = $this->subPage_link . $this->pageNums;
113. $nextPageUrl = $this->subPage_link . ($this->current_page + 1);
114. $subPageCss1Str .= " [下一页] ";
115. $subPageCss1Str .= "[尾页] ";
116. } else {
117. $subPageCss1Str .= "[下一页] ";
118. $subPageCss1Str .= "[尾页] ";
119. }

120. return $subPageCss1Str;

121. }

122. /*

123. 构造经典模式的分页
124. 当前第1/453页 [首页] [上页] 1 2 3 4 5 6 7 8 9 10 [下页] [尾页]
125. */
126. function subPageCss2() {
127. $subPageCss2Str = "";
128. $subPageCss2Str .= "当前第" . $this->current_page . "/" . $this->pageNums . "页 ";

129. if ($this->current_page > 1) {

130. $firstPageUrl = $this->subPage_link . "1";
131. $prewPageUrl = $this->subPage_link . ($this->current_page - 1);
132. $subPageCss2Str .= "[首页] ";
133. $subPageCss2Str .= "[上一页] ";
134. } else {
135. $subPageCss2Str .= "[首页] ";
136. $subPageCss2Str .= "[上一页] ";
137. }

138. $a = $this->construct_num_Page();

139. for ($i = 0; $i $s = $a[$i];
140. if ($s == $this->current_page) {
141. $subPageCss2Str .= "[" . $s . "]";
142. } else {
143. $url = $this->subPage_link . $s;
144. $subPageCss2Str .= "[" . $s . "]";
145. }
146. }

147. if ($this->current_page pageNums) {

148. $lastPageUrl = $this->subPage_link . $this->pageNums;
149. $nextPageUrl = $this->subPage_link . ($this->current_page + 1);
150. $subPageCss2Str .= " [下一页] ";
151. $subPageCss2Str .= "[尾页] ";
152. } else {
153. $subPageCss2Str .= "[下一页] ";
154. $subPageCss2Str .= "[尾页] ";
155. }
156. return $subPageCss2Str;
157. }
158. }

159. //测试两种不同效果

160. $t = new Page(10, 100, $_GET['p'], 5, 'page_class.php?p=');
161. echo $t->subPageCss2(); //调用经典分页函数

162. echo "
     ";

163. echo $t->subPageCss1();//调用普通分页函数

复制代码