复制代码 代码如下:
/*
mysql_pager.class.php
三个参数。 mysql_query()的结果, url变量page, 您要的每页记录数
例子在这个文件底部
淡水河边整理测试
*/
class mysql_pager {
// define properties
var $page;
var $result;
var $results_per_page = 3;
var $total_pages;
/*
Define the methods
下面是构造函数,和类同名(>php4)
需要查询的结果句柄,当前页码,每页记录数
like: $f->mysql_pager($result, 1, 15);
*/
function mysql_pager( $result, $current_page, $results_per_page ) {
if(!$result){
echo "
数据库未运行,结果集错误
\n";
return;
}
$this->result = $result;
if(!$current_page || $current_page $this->page = 1;
else $this->page = $current_page;
if(!emptyempty($results_per_page))
$this->results_per_page = $results_per_page;
$numrows = @mysql_num_rows($this->result);
if(!$numrows) {
echo "
查询结果为空.
\n";
return;
}
$this->total_pages = ceil($numrows / $this->results_per_page);
}
/*
下面是打印内容的函数,可以不用,也可以根据自己的需要扩展
这里只是打印出id
*/
function print_paged_results() {
echo "
\n";
$start = ($this->page - 1) * $this->results_per_page;
mysql_data_seek($this->result, $start);
$x = 0;
for($i = 1; $i results_per_page && $row = @mysql_fetch_array($this->result); $i++) {
if($x++ & 1) $bgcolor = "#F2F2FF";
else $bgcolor = "#EEEEEE";
echo "". $row["id"] . " |
";
// 编辑这部分输出任何您想要的HTML
}
echo "
\n";
}
/*
下面是打印页码和链接的函数
在我们需要显示页码的地方调用
*/
function print_navigation() {
global $PHP_SELF;
echo "
\n";
}
}
/*
mysql_connect($server, $uname, $pass );
mysql_select_db("$db");
$result= @mysql_query("Select * FROM table");
$p = new mysql_pager( $result, $page=$_GET["page"], 10 );
$p->print_navigation();
$p->print_paged_results();
$p->print_navigation();
*/
?>
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