[英]Pagination with multiple GET values doesn't work as expected
我的博客页面具有以下网址: www.something.com/index.php?menuid=6
或仅www.something.com/?menuid=6
我想向当前网址添加一个GET变量(页号,因为有太多的帖子无法在一页上显示它们),如下所示:
www.something.com/index.php?id=6&page=12
或www.something.com/?id=6&page=12
如果我不知道www.something.com和menuid的值,该怎么在分页的<a href>
中写什么?
我尝试了这个:
$pagination = "<p>";
$pagination.= ($page <= 1) ? "First | " : "<a href=\"{$_SERVER['REQUEST_URI']}&page=1\">First</a> | ";
$pagination.= ($page <= 1) ? "Previous | " : "<a href=\"{$_SERVER['REQUEST_URI']}&page=".($page-1)."\">Previous</a> | ";
for ($i=1; $i<=$pages; $i++) {
$pagination.= ($page == $i) ? "{$i} | " : "<a href=\"{$_SERVER['REQUEST_URI']}&page={$i}\">{$i}</a> | ";
}
$pagination.= ($page >= $pages) ? "Next | " : "<a href=\"{$_SERVER['REQUEST_URI']}&page=".($page+1)."\">Next</a> | ";
$pagination.= ($page >= $pages) ? "Last" : "<a href=\"{$_SERVER['REQUEST_URI']}&page={$pages}\">Last</a>";
$pagination.= "</p>\n";
但是当我单击第二页,然后单击第三页时,结果是这样的:
index.php?menuid=6&page=2&page=3
我的另一个问题是,如何只显示前两次和接下来的两个页码在这一个样 ?
这是分页的php代码:
$query = mysql_query("SELECT * FROM posts");
$howmuch = 5;
$total = mysql_num_rows($query);
$page = (isset($_GET['page'])) ? $_GET['page'] : 1;
$pages = ceil($total/$howmuch);
$where = ($page-1)*$howmuch;
$active="(SELECT s_id FROM status WHERE s_name='active')";
$sql = "SELECT post_id, post_title, post_content, post_date
FROM posts
WHERE post_s_id=".$active."
ORDER BY post_id DESC
LIMIT {$where}, {$howmuch}";
$result = mysql_query($sql);
$output="";
while ($row = mysql_fetch_assoc($result)) {
$output.="Here are the posts";
}
return $output.$pagination;
!!!更新!!!
抱歉,但我忘了提及,posts.php包含在index.php中,而上面的代码位于posts.php中。
menu_id在index.php的代码中,而不在posts.php中,但是URL相同。
$_SERVER['REQUEST_URI']
将获取URL中的所有内容,这就是为什么它将所有页面变量加起来的原因。
采用
$_SERVER['HTTP_HOST'].$_SERVER['SCRIPT_NAME'].'?menuid='.$_GET['menuid'].'&page='.$page
快速功能,无论URL中的参数如何,都可以生成此函数
function getPageUri($page) {
$_GET['page'] = $page;
foreach($_GET as $key => $value ) {
$query_string[] = "$key=$value";
}
return $_SERVER['PHP_SELF'] . '?' . implode('&', $query_string);
}
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