php 页面分页样式 示例

  1 <?php
  2 class SubPages {
  3 
  4     private $each_disNums; //每页显示的条目数
  5     private $nums; //总条目数
  6     private $current_page; //当前被选中的页
  7     private $sub_pages; //每次显示的页数
  8     private $pageNums; //总页数
  9     private $page_array = array(); //用来构造分页的数组
 10     private $subPage_link; //每个分页的链接
 11     private $subPage_type; //显示分页的类型
 12 
 13     /*
 14       construct是SubPages的构造函数,用来在创建类的时候自动运行.
 15       @$each_disNums   每页显示的条目数  自定义一个变量赋值为页数:$page = 2;
 16       @nums     总条目数  (统计表中要查找的记录数)
 17       @current_num     当前被选中的页(在subpage_link这个参数中传输一个值:Messageshow.php?cur_page=,在接收页面接收)
 18       @sub_pages       每次显示的页数(每次显示的页数=总条目数/每页显示的条目数)
 19       @subPage_link    每个分页的链接(显示这些记录的页面)
 20       @subPage_type    显示分页的类型
 21       当@subPage_type=1的时候为普通分页模式
 22       example:   共4523条记录,每页显示10条,当前第1/453页 [首页] [上页] [下页] [尾页]
 23       当@subPage_type=2的时候为经典分页样式
 24       example:   当前第1/453页 [首页] [上页] 1 2 3 4 5 6 7 8 9 10 [下页] [尾页]
 25      */
 26 
 27     function __construct($each_disNums, $nums, $current_page, $sub_pages, $subPage_link, $subPage_type) {
 28         $this->each_disNums = intval($each_disNums);
 29         $this->nums = intval($nums);
 30         if (!$current_page) {
 31             $this->current_page = 1;
 32         } else {
 33             $this->current_page = intval($current_page);
 34         }
 35         $this->sub_pages = intval($sub_pages);
 36         $this->pageNums = ceil($nums / $each_disNums);
 37         $this->subPage_link = $subPage_link;
 38         $this->show_SubPages($subPage_type);
 39 //echo $this->pageNums."--".$this->sub_pages;
 40     }
 41 
 42     /*
 43       __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。
 44     */
 45 
 46     function __destruct() {
 47         //释放变量
 48         unset($each_disNums);
 49         unset($nums);
 50         unset($current_page);
 51         unset($sub_pages);
 52         unset($pageNums);
 53         unset($page_array);
 54         unset($subPage_link);
 55         unset($subPage_type);
 56     }
 57 
 58     /*
 59       show_SubPages函数用在构造函数里面。而且用来判断显示什么样子的分页
 60      */
 61 
 62     function show_SubPages($subPage_type) {
 63         if ($subPage_type == 1) {
 64             $this->subPageCss1();
 65         } elseif ($subPage_type == 2) {
 66             $this->subPageCss2();
 67         }
 68     }
 69 
 70     /*      用来给建立分页的数组初始化的函数。
 71      */
 72 
 73     function initArray() {
 74         for ($i = 0; $i < $this->sub_pages; $i++) {
 75             $this->page_array[$i] = $i;
 76         } return $this->page_array;
 77     }
 78 
 79     /* construct_num_Page该函数使用来构造显示的条目
 80      * 即使:[1][2][3][4][5][6][7][8][9][10]
 81      */
 82 
 83     function construct_num_Page() {
 84         if ($this->pageNums < $this->sub_pages) {
 85             $current_array = array();
 86             for ($i = 0; $i < $this->pageNums; $i++) {
 87                 $current_array[$i] = $i + 1;
 88             }
 89         } else {
 90             $current_array = $this->initArray();
 91             if ($this->current_page <= 3) {
 92                 for ($i = 0; $i < count($current_array); $i++) {
 93                     $current_array[$i] = $i + 1;
 94                 }
 95             } elseif ($this->current_page <= $this->pageNums && $this->current_page > $this->pageNums - $this->sub_pages + 1) {
 96                 for ($i = 0; $i < count($current_array); $i++) {
 97                     $current_array[$i] = ($this->pageNums) - ($this->sub_pages) + 1 + $i;
 98                 }
 99             } else {
100                 for ($i = 0; $i < count($current_array); $i++) {
101                     $current_array[$i] = $this->current_page - 2 + $i;
102                 }
103             }
104         } return $current_array;
105     }
106 
107     /* 构造普通模式的分页
108      * 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]
109      *
110      */
111 
112     function subPageCss1() {
113         $subPageCss1Str = "";
114         $subPageCss1Str.="共" . $this->nums . "条记录,";
115         $subPageCss1Str.="每页显示" . $this->each_disNums . "条,";
116         $subPageCss1Str.="当前第" . $this->current_page . "/" . $this->pageNums . "页 ";
117         if ($this->current_page > 1) {
118             $firstPageUrl = $this->subPage_link . "1";
119             $prewPageUrl = $this->subPage_link . ($this->current_page - 1);
120             $subPageCss1Str.="[<a href='$firstPageUrl'>首页</a>] ";
121             $subPageCss1Str.="[<a href='$prewPageUrl'>上一页</a>] ";
122         } else {
123             $subPageCss1Str.="[首页] ";
124             $subPageCss1Str.="[上一页] ";
125         } if ($this->current_page < $this->pageNums) {
126             $lastPageUrl = $this->subPage_link . $this->pageNums;
127             $nextPageUrl = $this->subPage_link . ($this->current_page + 1);
128             $subPageCss1Str.=" [<a href='$nextPageUrl'>下一页</a>] ";
129             $subPageCss1Str.="[<a href='$lastPageUrl'>尾页</a>] ";
130         } else {
131             $subPageCss1Str.="[下一页] ";
132             $subPageCss1Str.="[尾页] ";
133         } echo $subPageCss1Str;
134     }
135 
136     /*
137      * 构造经典模式的分页
138      * 当前第1/453页 [首页] [上页] 1 2 3 4 5 6 7 8 9 10 [下页] [尾页]
139      */
140 
141     function subPageCss2() {
142         $subPageCss2Str = "共有".$this->nums."条记录 ";
143         $subPageCss2Str.="当前第" . $this->current_page . "/" . $this->pageNums . "页 ";
144         if ($this->current_page > 1) {
145             $firstPageUrl = $this->subPage_link . "1";
146             $prewPageUrl = $this->subPage_link . ($this->current_page - 1);
147             $subPageCss2Str.="[<a href='$firstPageUrl'>首页</a>] ";
148             $subPageCss2Str.="[<a href='$prewPageUrl'>上一页</a>] ";
149         } else {
150             $subPageCss2Str.="[首页] ";
151             $subPageCss2Str.="[上一页] ";
152         } $a = $this->construct_num_Page();
153         for ($i = 0; $i < count($a); $i++) {
154             $s = $a[$i];
155             if ($s == $this->current_page) {
156                 $subPageCss2Str.="[<span style='color:red;font-weight:bold;'>" . $s . "</span>]";
157             } else {
158                 $url = $this->subPage_link . $s;
159                 $subPageCss2Str.="[<a href='$url'>" . $s . "</a>]";
160             }
161         } if ($this->current_page < $this->pageNums) {
162             $lastPageUrl = $this->subPage_link . $this->pageNums;
163             $nextPageUrl = $this->subPage_link . ($this->current_page + 1);
164             $subPageCss2Str.=" [<a href='$nextPageUrl'>下一页</a>] ";
165             $subPageCss2Str.="[<a href='$lastPageUrl'>尾页</a>] ";
166         } else {
167             $subPageCss2Str.="[下一页] ";
168             $subPageCss2Str.="[尾页] ";
169         } echo $subPageCss2Str;
170     }
171 
172 }
173 ?>
原文地址:https://www.cnblogs.com/weihexinCode/p/12318201.html