php数组分页类

 1 <?php

 2     class ArrayPage{

 3         public $totalPage;//全部页数

 4         public $lists;//每页显示数目

 5         public $arr = array();//分页的数组

 6         public $url = '';//分页地址

 7         public $order;

 8         public $_error = '一切正常';//报错提示

 9         public function __construct(array $arr,$lists = 10,$url,$order =0){

10             if( empty($arr) ){

11                 $this->_error = '数组不存在';

12                 return false;

13             }

14             if($url == ''){

15                 $this->_error = '域名地址不可缺少';

16                 return false;

17             }

18             $this->lists = $lists;

19             $this->url = $url;

20             $this->arr = $arr;

21             $count = count($arr);

22             $this->totalPage = ceil($count / $this->lists);

23         }

24         

25         public function getData(){

26             $page = empty($_GET['page'])?1:$_GET['page'];

27             $start = ($page - 1)*$this->lists;

28             //return $this->lists;

29             if($this->order == 1){

30                 $this->arr = array_reverse($this->arr);

31             }

32             $res = array_slice($this->arr,$start,$this->lists);

33             return $res;

34         }

35         

36         public function getShow(){

37             $page = empty($_GET['page'])?1:$_GET['page'];

38             if($page > 1){

39                 $prevPage = $page-1;

40             }else{

41                 $prevPage = 1;

42             }

43             

44             if($page < $this->totalPage){

45                 $nextPage = $page+1;

46             }else{

47                 $page = $this->totalPage;

48             }

49             $str = '<div style="border:1px; width:300px; height:30px; color:#9999CC">';

50             $str .= "<span>共  {$this->totalPage}  页 / 第 {$page} 页</span>";

51             $str .= "<span><a href='{$this->url}?page=1'>   首页  </a></span>";

52             if($page == 1){

53                 $str .= "<span> 上一页  </span>";

54             }else{

55                 $str .= "<span><a href='{$this->url}?page={$prevPage}'> 上一页  </a></span>";

56             }

57             if($page == $this->totalPage){

58                 $str .= "<span>下一页  </span>";

59             }else{

60                 $str .= "<span><a href='{$this->url}?page={$nextPage}'>下一页  </a></span>";

61             }

62             $str .= "<span><a href='{$this->url}?page={$this->totalPage}'>尾页  </a></span>";

63             $str .= '</div>';

64             return $str;

65         }

66         

67         public function getError(){

68             return $this->_error;

69         }

70     }

71     for($i =0;$i<100;$i++){

72         $arr[$i] = $i*10;

73     }

74     $page = new ArrayPage($arr,10,'http://localhost/testSvn/arrayPage.php',0);

75     $res = $page->getData();

76     echo $page->getShow();

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