PHP Using template Paging Program (with demo demo); (1/3) _php Tutorial

Source: Internet
Author: User
Tags mysql tutorial
PHP Using template Paging program (with demo), this is a more classic PHP page code Oh, using the program template, page separation of the way to do this file paging function, it is too cow B.

PHP tutorial using template Paging Program (with demo demo);
This is a more classic PHP page code Oh, using the program template, page separation of the way to do this file paging function, it is too cow B.
*/
page.class.php


Class page{

var $currentpage;
var $leftoffset;
var $rightoffset;

var $totalpage;//Total pages
var $recordcount;//Total Record Count
var $pagesize;//show number of bars per page

var $pageurl;
var $hypelink;

var $template;
var $tpl;
var $tagitems =array ();
var $tagvalues =array ();

var $sqlquery;

constructor function
Function page ($currentpage =1, $pagesize =5, $leftoffset =2, $rightoffset =7, $pageurl = "? page=") {
echo "Start of the paging class";
$this->currentpage=ceil (ABS (@ $currentpage +0));
(Empty ($this->currentpage)) $this->currentpage=1: $this->currentpage= $this->currentpage;
$this->pagesize=ceil (ABS (@ $pagesize +0));
(Empty ($this->pagesize)) $this->pagesize=5: $this->pagesize= $this->pagesize;
$this->leftoffset=ceil (ABS (@ $leftoffset +0));
(Empty ($this->leftoffset)) $this->leftoffset=2: $this->leftoffset= $this->leftoffset;
$this->rightoffset=ceil (ABS (@ $rightoffset +0));
(Empty ($this->rightoffset)) $this->rightoffset=7: $this->rightoffset= $this->rightoffset;
$this->pageurl= $pageurl;

$this->setdefaulttagvalue ();
}

Total Records obtained
$sql = "SELECT count (id) as N from table";
function GetRecordCount ($sql, $conn) {
$query = @mysql Tutorial _query ($sql, $conn);
if (! $query) {echo "failed to execute SQL statement"; exit ();}
while ($rs =mysql_fetch_row ($query)) {
$this->recordcount= $rs [0];//Total Records obtained
}
$this->totalpage=ceil ($this->recordcount/$this->pagesize);//Calculate Total Pages
if ($this->currentpage > $this->totalpage) {$this->currentpage= $this->totalpage;} Determines whether the current page is greater than the total number of pages
Mysql_free_result ($query);
}

SELECT * from TB p->setlimit ();
function Setlimit () {
$limit = "Limit". ($this->currentpage-1) * $this->pagesize;
$limit. = ", $this->pagesize";
return $limit;
}

function ExecuteSQL ($sql, $conn) {
if (! $sql | |! $conn) {echo "parameter pass error"; return false;}
$this->sqlquery=mysql_query ($sql, $conn);
if (! $this->sqlquery) {echo "failed to execute SQL statement"; return false;}
}
function Recordset () {
Return mysql_fetch_array ($this->sqlquery);
}

Get template Content
function GetTemplate ($filedir) {
if (file_exists ($filedir)) {
$f =fopen ($filedir, "R");
$this->template=fread ($f, FileSize ($filedir));
}else{
echo "Failed to get template file ... File does not exist ";
Exit ();
}
Get Chunk Content
$start =strpos ($this->template, " ");
$end =strpos ($this->template, " ");
$this->tpl=substr ($this->template, $start +strlen (" "), $end-$start-strlen (" ")-2);
If the contents of the IF ($this->tpl== "") {echo "Template are empty, check that the label settings are correct. "; exit ();}
Echo $this->tpl;
}1 2 3

http://www.bkjia.com/PHPjc/444873.html www.bkjia.com true http://www.bkjia.com/PHPjc/444873.html techarticle PHP using template Paging program (with demo), this is a more classic PHP page code Oh, using the program template, page separation of the way to do this file paging function, it is ...

  • Contact Us

    The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

    If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

    A Free Trial That Lets You Build Big!

    Start building with 50+ products and up to 12 months usage for Elastic Compute Service

    • Sales Support

      1 on 1 presale consultation

    • After-Sales Support

      24/7 Technical Support 6 Free Tickets per Quarter Faster Response

    • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.