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php文章分页

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Release: 2016-06-13 10:50:05
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1.  2. /*文章分页代码*/ 
3.  
4. $fp=fopen('txt.txt','r'); 
5. while (!feof($fp)){ 
6.      $content.=fgets($fp);  
7. } 
8. $c_page=""; 
9. if(isset($_GET['page'])) $c_page=$_GET['page'];  
10. $listlen=100;   //分页显示字符数  
11. $conlen=strlen($content);   //内容长度  
12. $j=0; 
13. $listat[0]=0; 
14. $lookat=0; 
15. for ($i=1;$i 16.     //echo $conlen/$listlen;  
17.     if($lookat 18.         $lookat=$listlen; 
19.         if($lookat>$conlen){ 
20.             $j++; 
21.             $listat[$j]=$conlen; 
22.             break; 
23.         } 
24.     $endat=strpos($content,"\n",$lookat); 
25.     if($endat>$conlen-$listlen/5 or intval($endat) 26.         $j++; 
27.         $listat[$j]=$conlen; 
28.         break; 
29.     }else { 
30.         $j++; 
31.         $listat[$j]=$endat; 
32.         $lookat=$endat+$listlen; 
33.     } 
34.          
35. } 
36. //print page  
37. $pagenum=$j;  //总页数  
38. $page=intval($c_page); 
39. if(emptyempty($page) or $page$pagenum) $page=1; 
40. if($pagenum >1)  
41. for ($i=1;$i 42.     echo " {$i} "; 
43. } 
44. echo "
"; 
45. $stag=$page-1; 
46. $startb=$listat[$stag]; 
47. if($startb>0) //去除首个换行  www.2cto.com
48. $startb=$startb+1; 
49. $cont=substr($content,$startb,$listat[$page]-$startb); 
50. echo "
文章内容:
"; 
51. if($page>1) 
52. echo "[接上页]       "; 
53. echo $cont; 
54.  
55. ?> 
 
作者:chaojie2009

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source:php.cn
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