你不可错过的一个php分页类(mysql)

/*
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
*/
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 "
"; // 编辑这部分输出任何您想要的HTML }echo "





". $row["id"] . "



\n";
}
/*
下面是打印页码和链接的函数，在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 "

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