复制代码 代码如下:
php
/*
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 "
| ". $row["id"] . " |
}
/*
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 $PHP_SELF;
echo "
";
for($i = 1; $i total_pages; $i++) { #loop to print >
if($i == 1 && $this->page > 1) #Prints the echo "page - 1)."\" onMouseOver=\"status="Previous Page";return true;\" onMouseOut=\"status=" ";return true;\">?";
if($i == $this->page) #Doesn"t print a link itself, just prints page number
echo " $i ";
if($i != $this->page) #Other links that aren"t this page go here
echo " $i ";
if($i == $this->total_pages && $this->page != $this->total_pages) # Link for next page >> (not on last page)
echo "page + 1)."\" onMouseOver=\"status="Go to the Next Page";return true;\" onMouseOut=\"status=" ";return true;\">?";
}
echo "
\n"; for($i = 1; $i total_pages; $i++) { #loop to print >
if($i == 1 && $this->page > 1) #Prints the echo "page - 1)."\" onMouseOver=\"status="Previous Page";return true;\" onMouseOut=\"status=" ";return true;\">?";
if($i == $this->page) #Doesn"t print a link itself, just prints page number
echo " $i ";
if($i != $this->page) #Other links that aren"t this page go here
echo " $i ";
if($i == $this->total_pages && $this->page != $this->total_pages) # Link for next page >> (not on last page)
echo "page + 1)."\" onMouseOver=\"status="Go to the Next Page";return true;\" onMouseOut=\"status=" ";return true;\">?";
}
echo "
}
}
/*
mysql_connect($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();
*/
?>
