新闻内容分页代码实例教程
unction explode_content($content, $length) {
02 $i = 0;
03 $k = 1;
04 $j = 0;
05 $wn = 0;
06 $s = '';
07 $e = 1;
08 $yh = 0;
09 while ($k) {
10 $d = $content[$i];
11 if ($d !== '') {
12 if (ord($d) > 127) {
13 $j++;
14 $num = 2;
15 $i++;
16 } else {
17 $num = 1;
18 }
19 $j++;
20 } else {
21 if ($s) {
22 $listdb[] = addslashes($s);
23 }
24 $k = 0;
25 }
26 $v1 = $j - $num;
27 $w = substr($content, $v1, $num);
28 if ($w !== '') {
29
30 if ($w == '<') {
31 $e = 0;
32 }
33 if (!$e && $w == '"') {
34 $yh++;
35 }
36 if ($e && $w != ' ' && $w != ' ') {
37 $wn++;
38 }
39 if ($w == '>' && $yh % 2 == 0) {
40 $e = 1;
41 }
42 $s .= $w;
43 }
44 if ($wn >= $length && $e) {
45 $listdb[] = addslashes($s);
46 $s = '';
47 $wn = 0;
48 }
49 $i++;
50 }
51 return $listdb;
52 }
53
54
55
56 分页使用
57 $page_per = 500; //每页字数
php文章内容分页
58 $article_list = explode_content($article, $page_per); //拆分文章
59 $page_count = count($article_list);
60 $page = !empty($_GET['page']) ? intval($_GET['page']) : 1;
61 $page = ($page > $page_count && $page_count>0) ? $page_count : $page;
62 $article = strips教程lashes($article_list[$page -1]);
63 if ($page_count>1) {
64 if ($page == 1) {
65 $page_code = "<a href="news.php?id=$id&page=".($page+1)."">下页</a> <a href="news.php?id=$id&page=$page_count">末页</a> ";
66 }
67 elseif ($page == $page_count) {
68 $page_code = "<a href="news.php?id=$id&page=".($page-1)."">上页</a> <a href="news.php?id=$id&page=1">首页</a> ";
69 } else {
70 $page_code = "<a href="news.php?id=$id&page=".($page+1)."">下页</a> <a href="news.php?id=$id&page=".($page-1)."">上页</a> ";
71 }
72 }