文章分頁用到比較多同時使用過cms的朋友也碰到過都具備了文章分頁功能了,下面我們自己來看一個關于文章分頁的例子,具體的操作步驟如下所示,希望文章能夠幫助到各位朋友.

content.txt:這個文件里面放的是內容了,如果你是與mysql數據庫結合的話只要把把這一句換成你的數據庫的內容即可.

index.php文件:

1. <link rel="stylesheet" type="text/css" href="http:///jquery/css/common.css" /> 
2.         <style type="text/css"> 
3.             .demo{width:80%;margin:50px auto 10px auto;padding:10px;} 
4.             .demo p{line-height:30px;text-indent:2em} 
5.             .demo h3{font-size:24px;text-align:center;padding:10px} 
6.             @media (max-width: 480px){ 
7.                 .demo{width:360px;margin:50px auto 10px auto;padding:10px;} 
8.                 .demo img{width:90%} 
9.                 .demo h3{font-size:1.5em;line-height:1.9em} 
10.             } 
11.             .pages{text-align:center;border-top:1px solid #d3d3d3;margin-top:10px; padding-top:10px} 
12.             .pages a{display:inline-block;margin:4px;padding:4px 8px;background:#f9f9f9;border:1px solid #d9d9d9} 
13.             .pages a.cur{cursor:default;background:#d3d3d3;color:#434343} 
14.             .pages a.cur:hover{text-decoration:none} 
15.         </style> 
16.         <div class="head"> 
17.             <div class="head_inner clearfix"> 
18.                 <ul id="nav"> 
19.                     <li><a href="http://">首 頁</a></li> 
20.                     <li><a href="http:///templates">網站模板</a></li> 
21.                     <li><a href="http:///js">網頁特效</a></li> 
22.                     <li><a href="http:///php">PHP</a></li> 
23.                     <li><a href="http:///site">精選網址</a></li> 
24.                 </ul> 
25.                 <a class="logo" href="http://"><img src="http:///Public/images/logo.jpg" alt="素材火logo" /></a> 
26.             </div> 
27.         </div> 
28.         <div class="container"> 
29.             <div class="demo"> 
30.                 <h2 class="title"><a href="http:///js/639.html">教程：PHP長文章分頁教程與演示</a></h2> 
31.                 <h3>未來10年千萬人將沒有工作？</h3> 
32.                 <?php 
33.                 include('page.class.php'); 
34.                 //自定義的長文章字符串，可以包含 html 代碼，若字符串中有手動分頁符 {nextpage} 則優先按手動分頁符進行分頁     
35.                 $content = file_get_contents('content.txt'); 
36.                 $ipage = isset($_GET["ipage"]) ? intval($_GET["ipage"]) : 1; 
37.                 $CP = new cutpage($content); 
38.                 $page = $CP->cut_str(); 
39.                 echo $page[$ipage - 1]; 
40.                 echo '<div class="pages">' . $CP->pagenav() . '</div>'; 
41.                 ?> 
42.  
43.             </div> 
44.         </div> 

長文章分頁類 page.class.php:

1. <?php     
2. /*   
3. *  長文章分頁類      
4. */   
5.     class cutpage{     
6.         private $pagestr;       //被切分的內容     
7.         private $pagearr;       //被切分文字的數組格式     
8.         private $sum_word;      //總字數(UTF-8格式的中文字符也包括)     
9.         private $sum_page;      //總頁數     
10.         private $page_word;     //一頁多少字     
11.         private $cut_tag;       //自動分頁符     
12.         private $cut_custom;    //手動分頁符     
13.         private $ipage;         //當前切分的頁數，第幾頁     
14.         private $url;     
15.    
16.         function __construct($pagestr,$page_word=1000){     
17.             $this->page_word = $page_word;     
18.             $this->cut_tag = array("</table>", "</div>", "</p>", "<br/>", "”。", "。", ".", "！", "……", "？", ",");     
19.             $this->cut_custom = "{nextpage}";     
20.             $tmp_page = isset($_GET["ipage"]) ? intval($_GET["ipage"]) : 1;     
21.             $this->ipage = $tmp_page>1?$tmp_page:1;  
22.    $this->pagestr = $pagestr; 
23.         }     
24.         //統計總字數     
25.         function get_page_word(){     
26.             $this->sum_word = $this->strlen_utf8($this->pagestr);     
27.             return $this->sum_word;     
28.         }     
29.         /*  統計UTF-8編碼的字符長度   
30.          *  一個中文，一個英文都為一個字   
31.          */   
32.         function strlen_utf8($str){     
33.            $i = 0;     
34.            $count = 0;     
35.            $len = strlen ($str);     
36.            while ($i < $len){     
37.                $chr = ord ($str[$i]);     
38.                $count++;     
39.                $i++;     
40.                if ($i >= $len)     
41.                    break;     
42.                if ($chr & 0x80){     
43.                    $chr <<= 1;     
44.                    while ($chr & 0x80) {     
45.                        $i++;     
46.                        $chr <<= 1;     
47.                    }     
48.                }     
49.            }     
50.            return $count;     
51.         }     
52.         //設置自動分頁符號     
53.         function set_cut_tag($tag_arr=array()){     
54.             $this->cut_tag = $tag_arr;     
55.         }     
56.         //設置手動分頁符     
57.         function set_cut_custom($cut_str){     
58.             $this->cut_custom = $cut_str;     
59.         }     
60.         function show_cpage($ipage=0){     
61.             $this->cut_str();     
62.             $ipage = $ipage ? $ipage:$this->ipage;     
63.             return $this->pagearr[$ipage];     
64.         }     
65.         function cut_str(){     
66.             $str_len_word = strlen($this->pagestr);     //獲取使用strlen得到的字符總數     
67.             $i = 0;     
68.             if ($str_len_word<=$this->page_word){   //如果總字數小于一頁顯示字數     
69.                 $page_arr[$i] = $this->pagestr;     
70.             }else{     
71.                 if (strpos($this->pagestr, $this->cut_custom)){     
72.                     $page_arr = explode($this->cut_custom, $this->pagestr);     
73.                 }else{     
74.                     $str_first = substr($this->pagestr, 0, $this->page_word);   //0-page_word個文字    cutStr為func.global中的函數     
75.                     foreach ($this->cut_tag as $v){     
76.                         $cut_start = strrpos($str_first, $v);       //逆向查找第一個分頁符的位置     
77.                         if ($cut_start){     
78.                             $page_arr[$i++] = substr($this->pagestr, 0, $cut_start).$v;     
79.                             $cut_start = $cut_start + strlen($v);     
80.                             break;     
81.                         }     
82.                     }     
83.                     if (($cut_start+$this->page_word)>=$str_len_word){  //如果超過總字數    
84.                         $page_arr[$i++] = substr($this->pagestr, $cut_start, $this->page_word);     
85.                     }else{     
86.                         while (($cut_start+$this->page_word)<$str_len_word){     
87.                             foreach ($this->cut_tag as $v){     
88.                                 $str_tmp = substr($this->pagestr, $cut_start, $this->page_word);        //取第cut_start個字后的page_word個字符     
89.                                 $cut_tmp = strrpos($str_tmp, $v);       //找出從第cut_start個字之后，page_word個字之間，逆向查找第一個分頁符的位置     
90.                                 if ($cut_tmp){     
91.                                     $page_arr[$i++] = substr($str_tmp, 0, $cut_tmp).$v;     
92.                                     $cut_start = $cut_start + $cut_tmp + strlen($v);     
93.                                     break;     
94.                                 }     
95.                             }       
96.                         }     
97.                         if (($cut_start+$this->page_word)>$str_len_word){     
98.                             $page_arr[$i++] = substr($this->pagestr, $cut_start, $this->page_word);     
99.                         }     
100.                     }     
101.                 }     
102.             }     
103.             $this->sum_page = count($page_arr);     //總頁數     
104.             $this->pagearr = $page_arr;   
105.    return $page_arr; 
106.         }     
107.         //顯示上一條，下一條     
108.         function pagenav(){     
109.             $this->set_url();     
110.             $str = ''; 
111.     
112.    //$str .= $this->ipage.'/'.$this->sum_page; 
113.     
114.    for($i=1;$i<=$this->sum_page;$i++){ 
115.     if($i==$this->ipage) { 
116.      $str.= "<a href='#' class='cur'>".$i."</a> "; 
117.     }else{ 
118.      $str.= "<a href='".$this->url.$i."'>".$i."</a> "; 
119.     } 
120.    } 
121.     
122.               
123.             return $str;     
124.         }     
125.   function show_prv_next2(){     
126.             $this->set_url();     
127.             $str = ''; 
128.     
129.     
130.     
131.             if ($this->sum_page>1 and $this->ipage>1){     
132.                 $str.= "<a href='".$this->url.($this->ipage-1)."'>上一頁</a> ";     
133.             }    
134.    if ($this->sum_page>1 and $this->ipage<$this->sum_page){     
135.                 $str .= "<a href='".$this->url.($this->ipage+1)."'>下一頁</a>";     
136.             }       
137.             return $str;     
138.         }     
139.         function show_page_select(){     
140.             if ($this->sum_page>1){     
141.                 $str = "   <select onchange='location.href=this.options[this.selectedIndex].value'>";     
142.                 for ($i=1; $i<=$this->sum_page; $i++){     
143.                     $str.= "<option value='".$this->url.$i."' ".(($this->ipage)==$i ? " selected='selected'":"").">第".$i."頁</option>";     
144.                 }     
145.                 $str.= "</select>";     
146.             }     
147.             return $str;     
148.         }     
149.         function show_page_select_wap(){     
150.             if ($this->sum_page>1){     
151.                 $str = "<select ivalue='".($this->ipage-1)."'>";     
152.                 for ($i=1; $i<=$this->sum_page; $i++){     
153.                     $str.= "<option onpick='".$this->url.$i."'>第".$i."節</option>";     
154.                 }     
155.                 $str.= "</select>";     
156.             }     
157.             return $str;     
158.         }     
159.         function set_url(){     
160.             parse_str($_SERVER["QUERY_STRING"], $arr_url);     
161.             unset($arr_url["ipage"]);//Vevb.com 
162.             if (emptyempty($arr_url)){     
163.                 $str = "ipage=";     
164.             }else{     
165.                 $str = http_build_query($arr_url)."&ipage=";     
166.             }     
167.             $this->url = "http://".$_SERVER["HTTP_HOST"].$_SERVER["PHP_SELF"]."?".$str;     
168.         }     
169.     }     
170. ?>