mysql+php paging class (tested)_PHP tutorial-PHP Tutorial-php.cn

mysql+php paging class (tested)_PHP tutorial

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Release： 2016-07-21 15:53:12

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/*
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 < 0)
$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); * The following is a function of the print content. n";
$start = ($this->page - 1) * $this->results_per_page; start);
$x = 0; { $bgcolor =$bgcolor>"; 🎜> echo "

n";
}

/* $PHP_SELF;

echo "

";

for($i = 1; $i <= $this->total_pages; $i++) { # loop to print << 1 2 3... $total_pages >>
if($i == 1 && $this->page > 1) #Prints the << first to goto the previous page (not on page 1)
echo "page - 1)."" onMouseOver="status="Previous Page"; return true;" onMouseOut="status=" ";return true;">?"; 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"; "
} "

} " > 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(); ;