一个简单的php分页类代码

1. class Page {
2. private $total; //数据表中总记录数
3. private $listRows; //每页显示行数
4. private $limit;
5. private $uri;
6. private $pageNum; //页数
7. private $config=array('header'=>"个记录", "prev"=>"上一页", "next"=>"下一页", "first"=>"首 页", "last"=>"尾 页");
8. private $listNum=8;
9. /*
10. * $total
11. * $listRows
12. */
13. public function __construct($total, $listRows=10, $pa=""){
14. $this->total=$total;
15. $this->listRows=$listRows;
16. $this->uri=$this->getUri($pa);
17. $this->page=!empty($_GET["page"]) ? $_GET["page"] : 1;
18. $this->pageNum=ceil($this->total/$this->listRows);
19. $this->limit=$this->setLimit();
20. }
22. private function setLimit(){
23. return "Limit ".($this->page-1)*$this->listRows.", {$this->listRows}";
24. }
26. private function getUri($pa){
27. $url=$_SERVER["REQUEST_URI"].(strpos($_SERVER["REQUEST_URI"], '?')?'':"?").$pa;
28. echo $url;
29. $parse=parse_url($url);
33. if(isset($parse["query"])){
34. parse_str($parse['query'],$params);
35. unset($params["page"]);
36. $url=$parse['path'].'?'.http_build_query($params);
38. }
40. return $url;
41. }
43. private function __get($args){
44. if($args=="limit")
45. return $this->limit;
46. else
47. return null;
48. }
50. private function start(){
51. if($this->total==0)
52. return 0;
53. else
54. return ($this->page-1)*$this->listRows+1;
55. }
57. private function end(){
58. return min($this->page*$this->listRows,$this->total);
59. }
61. private function first(){
62. if($this->page==1)
63. $html.='';
64. else
65. $html.=" {$this->config["first"]} ";
67. return $html;
68. }
70. private function prev(){
71. if($this->page==1)
72. $html.='';
73. else
74. $html.=" {$this->config["prev"]} ";
76. return $html;
77. }
79. private function pageList(){
80. $linkPage="";
82. $inum=floor($this->listNum/2);
84. for($i=$inum; $i>=1; $i--){
85. $page=$this->page-$i;
87. if($page continue;
89. $linkPage.=" {$page} ";
91. }
93. $linkPage.=" {$this->page} ";
96. for($i=1; $i $page=$this->page+$i;
97. if($pagepageNum)
98. $linkPage.=" {$page} ";
99. else
100. break;
101. }
103. return $linkPage;
104. }
106. private function next(){
107. if($this->page==$this->pageNum)
108. $html.='';
109. else
110. $html.=" {$this->config["next"]} ";
112. return $html;
113. }
115. private function last(){
116. if($this->page==$this->pageNum)
117. $html.='';
118. else
119. $html.=" {$this->config["last"]} ";
121. return $html;
122. }
124. private function goPage(){
125. return ' ';
126. }
127. function fpage($display=array(0,1,2,3,4,5,6,7,8)){
128. $html[0]=" 共有{$this->total}{$this->config["header"]} ";
129. $html[1]=" 每页显示".($this->end()-$this->start()+1)."条，本页{$this->start()}-{$this->end()}条 ";
130. $html[2]=" {$this->page}/{$this->pageNum}页 ";
132. $html[3]=$this->first();
133. $html[4]=$this->prev();
134. $html[5]=$this->pageList();
135. $html[6]=$this->next();
136. $html[7]=$this->last();
137. $html[8]=$this->goPage();
138. $fpage='';
139. foreach($display as $index){
140. $fpage.=$html[$index];
141. }
143. return $fpage;
145. }
148. }

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分页, php