我認爲一個還算不錯的長文章分頁類

1. <?php
2. /*
3. *長文章分頁類
4. *author tdweb@GGT
5. *date 2008-8-4
6. *$content 要拆分的文章內容
7. */
9. Class cutContent{
10.     public $content;
11.     public $limit;
12.     public $length;
13.     public $pageCount;
14.     public $nowPage;
15.     public $contentLeft;
16.     public $contentRight;
17.     public $array_content;
18.     public $page_array_content;
19.     public $page_tag='#p#';
21.     function cutContent() {
22.         $this->limit=270;
23.         $this->nowPage = $_REQUEST['pagec']?$_REQUEST['pagec']:1;
24.     }
26.     /*
27.     *需要用到的字符串截取方法
28.     */
29.     function msubstr($str,$start,$len)
30.     {
31.         $strlen = $start +$len;
32.         for($i=0;$i<$strlen;$i++)
33.         {
34.             if(ord(substr($str,$i,1))>0xa0)
35.             {
36.                 $temstr .= substr($str,$i,2);
37.                 $i++;
38.             }
39.             else
40.             {
41.                 $temstr .=substr($str,$i,1);
42.             }
43.         }
44.         return $temstr;
45.     }
47.     /*
48.     *獲取當前頁內容
49.     */
50.     function getPerContent(){
51.         if (strpos($this->content,$this->page_tag) > -1){
52.             $arr_all_content=explode($this->page_tag,$this->content);
53.             $this->pageCount=count($arr_all_content);
54.             if($this->pageCount<$this->nowPage) $this->nowPage = 1;
55.             $this->contentLeft=$arr_all_content[$this->nowPage-1];
56.             $this->contentRight=$arr_all_content[$this->nowPage+1];
57.             $this->array_content=$arr_all_content[$this->nowPage-1];
58.             return $this->array_content;
59.         }else{
60.             $this->length=strlen($this->content);
61.             $this->pageCount=ceil($this->length/$this->limit);
62.             if($this->pageCount<$this->nowPage) $this->nowPage = 1;
63.             $this->contentLeft = $this->msubstr($this->content,0,($this->nowPage-1)*$this->limit);
64.             $this->contentRight= $this->msubstr($this->content,0,$this->nowPage*$this->limit);
65.             $this->array_content = substr($this->contentRight,strlen($this->contentLeft),strlen($this->contentRight)-strlen($this->contentLeft));
66.             $this->page_array_content=strlen($this->array_content);
67.             return $this->array_content;
68.         }
69.     }
71.     /*
72.     *獲取分頁列表
73.     */
74.     function getPages(){
75.         $result="";
76.         if (1==$this->getAllCount()){
77.             $result='<div id="footer_nopage"> <a class="prev" style="background-color:#000;filter:Alpha(Opacity=60);"></a> <a class="next" style="background-color:#000;filter:Alpha(Opacity=60);"></a> <a class="home" href="index.php" style="background-color:#000;filter:Alpha(Opacity=60);"></a> </div>';
78.         }else{
79.             $result = '<div id="footer">';
80.             if ($this->nowPage>1){
81.                 $result .= '<a class="prev" style="background-color:#000;filter:Alpha(Opacity=60);" href="javascript:goPage2(' . ($this->nowPage-1) . ',/'' . $base_url .'/')"></a>';
82.             }else{
83.                 $result .= '<a class="prev" style="background-color:#000;filter:Alpha(Opacity=60);"></a>';
84.             }
85.             if ($this->nowPage==$this->pageCount){
86.                 $result .= '<a class="next" style="background-color:#000;filter:Alpha(Opacity=60);"></a>';
87.             }else{
88.                 $result .= '<a class="next" style="background-color:#000;filter:Alpha(Opacity=60);" href="javascript:goPage2(' . ($this->nowPage + 1) . ',/'' . $base_url . '/')"></a>';
89.             }
90.             $result .= '<a class="home" style="background-color:#000;filter:Alpha(Opacity=60);" href="/index.php"></a> ';
91.             $result .= ' </DIV>';
92.         }
93.         return $result;
94.     }
96.     /*
97.     *獲取當前頁字符數
98.     */
99.     function getNowCount(){
100.         return strlen($this->getPerContent());
101.     }
103.     /*
104.     *獲取當前頁碼
105.     */
106.     function getNowPage(){
107.         return $this->nowPage;
108.     }
110.     /*
111.     *獲取頁碼總數
112.     */
113.     function getAllCount(){
114.         if (strpos($this->content,$this->page_tag) > -1){
115.             $arr_all_content=explode($this->page_tag,$this->content);
116.             $this->pageCount=count($arr_all_content);
117.             return $this->pageCount;
118.         }else{
119.         $this->length=strlen($this->content);
120.         $this->pageCount=ceil($this->length/$this->limit);
121.         return $this->pageCount;
122.         }
123.     }
125.     /*
126.     *獲取當前頁-總頁數的字符串
127.     */
128.     function getOne2All(){
129.         $return='';
130.         $return = "(";
131.         $return .= $this->getNowPage();
132.         $return .= "/";
133.         $return .= $this->getAllCount();
134.         $return .= ")";
135.         return $return;
136.     }
137. }
138. ?>

 

你要用的話，分頁方式還需要再改一下。

會首先搜索分頁標籤，$page_tag，如果存在分頁標籤，則按照分頁標籤進行分頁。

如果不存在，則按照$page_limit進行分頁。