PHP Multi-style paging class (AJAX-enabled paging) _php Tutorial

PHP Tutorials Multi-style pagination class (AJAX-enabled paging)

/**

* Example:
* Mode four paging modes:
Require_once ('.. /libs/classes/page.class.php ');
$page =new page (Array (' Total ' =>1000, ' perpage ' =>20));
Echo ' Mode:1
'. $page->show ();
Echo ' Mode:2
'. $page->show (2);
Echo ' Mode:3
'. $page->show (3);
Echo ' Mode:4
'. $page->show (4);
Turn on Ajax:
$ajaxpage =new page (array

(' Total ' =>1000, ' perpage ' =>20, ' ajax ' = ' ajax_page ', ' page_name ' = ' test '));
Echo ' Mode:1
'. $ajaxpage->show ();
Adopt the inherited custom paging display mode:

*/
Class page
{
/**
* Config, public
*/
var $page _name= "Pb_page";//page tag, used to control the URL page
var $next _page= ' > ';//Next page
var $pre _page= ' < ';//prev
var $first _page= ' first ';//Home
var $last _page= ' last ';//End
var $pre _bar= ' << ';//previous page bar
var $next _bar= ' >> ';//Next page Bar
var $format _left= ' [';
var $format _right= '];
var $is whether _ajax=false;//supports Ajax paging mode

/**
* Private
*
*/
var $pagebarnum =10;//Control the number of record bars.
var $totalpage total Pages =0;//
var $ajax _action_name= ";//ajax action Name
var $nowindex =1;//Current Page
var $url = "";//url address Header
var $offset = 0;

/**
* Constructor Constructor
*
* @param array $array [' total '], $array [' Perpage '], $array [' Nowindex '], $array

[' URL '], $array [' Ajax ']
*/
Function page ($array)
{
if (Is_array ($array)) {
if (!array_key_exists (' Total ', $array)) $this->error (__function__, ' Need a param

of total ');
$total =intval ($array [' total ']);
$perpage = (array_key_exists (' Perpage ', $array))? intval ($array [' Perpage ']): 10;
$nowindex = (array_key_exists (' Nowindex ', $array))? Intval ($array

[' Nowindex ']): ';
$url = (array_key_exists (' url ', $array))? $array [' url ']: ';
}else{
$total = $array;
$perpage = 10;
$nowindex = ";
$url = ";
}
if ((!is_int ($total)) | | ($total <0)) $this->error (__function__, $total. ' Is not a

Positive integer! ');
if ((!is_int ($perpage)) | | ($perpage <=0)) $this->error (__function__, $perpage. ' Is not

A positive integer! ');
if (!empty ($array [' page_name '])) $this->set (' page_name ', $array [' page_name ']);//settings

PageName
$this->_set_nowindex ($nowindex);//Set Current page
$this->_set_url ($url);//Set link address
$this Totalpage=ceil ($total/$perpage);
$this->offset= ($this->nowindex-1) * $perpage;
if (!empty ($array [' Ajax])) $this->open_ajax ($array [' Ajax ']);//Open Ajax mode
}
/**
* Set the value of the variable name specified in the class, If the change does not belong to this class, it will throw a exception
*
* @param string $var
* @param string $value
*/
Function set ($var, $ Value)
{
if (In_array ($var, Get_object_vars ($this)))
$this, $var = $value;
else {
$this->error (__function__, $var. "Does not belong to pb_page!");
}

}
/**
* Turn on inverted Ajax mode
*
* @param string $action The default Ajax-triggered action.
*/
function Open_ajax ($action)
{
$this->is_ajax=true;
$this->ajax_action_name= $action;
}
/**
* Get the code that shows "next page"
*
* @param string $style
* @return String
*/
function Next_page ($style = ")
{
if ($this->nowindex< $this->totalpage) {
return $this->_get_link ($this->_get_url ($this->nowindex+1), $this-

>next_page, $style);
}
Return ". $this->next_page.";
}

/**
* Get the code that shows "previous page"
*
* @param string $style
* @return String
*/
function Pre_page ($style = ")
{
if ($this->nowindex>1) {
return $this->_get_link ($this->_get_url ($this->nowindex-1), $this-

>pre_page, $style);
}
Return ". $this->pre_page.";
}

/**
* Get the code that shows "home page"
*
* @return String
*/
function First_page ($style = ")
{
if ($this->nowindex==1) {
Return ". $this->first_page.";
}
return $this->_get_link ($this->_get_url (1), $this->first_page, $style);
}

/**
* Get the code that shows "last"
*
* @return String
*/
function Last_page ($style = ")
{
if ($this->nowindex== $this->totalpage) {
Return ". $this->last_page.";
}
return $this->_get_link ($this->_get_url ($this->totalpage), $this-

>last_page, $style);
}

function Nowbar ($style = ", $nowindex _style=")
{
$plus =ceil ($this->PAGEBARNUM/2);
if ($this->pagebarnum-$plus + $this->nowindex> $this->totalpage) $plus = ($this-

>pagebarnum-$this->totalpage+ $this->nowindex);
$begin = $this->nowindex-$plus +1;
$begin = ($begin >=1)? $begin: 1;
$return = ";
for ($i = $begin; $i < $begin + $this->pagebarnum; $i + +)
{
if ($i <= $this->totalpage) {
if ($i! = $this->nowindex)
$return. = $this->_get_text ($this->_get_link ($this->_get_url

($i), $i, $style));
Else
$return. = $this->_get_text ('<>< p=""><>

Class= ". $nowindex _style." > '. $i. ');
}else{
Break
}
$return. = "n";
}
Unset ($begin);
return $return;
}
/**
* Get the code to show the Jump button
*
* @return String
*/
function Select ()
{
$return = '' For ($i =1; $i <= $this->totalpage; $i + +) {if ($i = = $this->nowindex) {$return. = ''. $i. '; }else{$return. = ''. $i. '; }}unset ($i); $return. = '';
return $return;
}

/**
* Get the value required by limit in the MySQL tutorial statement
*
* @return String
*/
function offset ()
{
return $this->offset;
}

/**
* Control pagination Display style
*
* @param int $mode
* @return String
*/
Function Show ($mode =1)
{
Switch ($mode)
{
Case ' 1 ':
$this->next_page= ' next page ';
$this->pre_page= ' previous page ';
return $this->pre_page (). $this->nowbar (). $this->next_page (). ' Section '. $this-

>select (). ' Page ';
Break
Case ' 2 ':
$this->next_page= ' next page ';
$this->pre_page= ' previous page ';
$this->first_page= ' home ';
$this->last_page= ' last ';
return $this->first_page (). $this->pre_page (). ' [section '. $this-

>nowindex. ' page] '. $this->next_page (). $this->last_page (). ' Section '. $this->select (). ' Page ';
Break
Case ' 3 ':
$this->next_page= ' next page ';
$this->pre_page= ' previous page ';
$this->first_page= ' home ';
$this->last_page= ' last ';
return $this->first_page (). $this->pre_page (). $this->next_page (). $this-

>last_page ();
Break
Case ' 4 ':
$this->next_page= ' next page ';
$this->pre_page= ' previous page ';
return $this->pre_page (). $this->nowbar (). $this->next_page ();
Break
Case ' 5 ':
return $this->pre_bar (). $this->pre_page (). $this->nowbar (). $this->next_page

(). $this->next_bar ();
Break
}

}
/*----------------Private Function (proprietary method)-----------------------------------

------------------------*/
/**
* Set URL header address
* @param: String $url
* @return Boolean
*/
function _set_url ($url = "")
{
if (!empty ($url)) {
Manually set
$this->url= $url. (Stristr ($url, '? '))? ' & ': '? '). $this->page_name. " =";
}else{
Automatically get
if (Empty ($_server[' query_string ')) {
When there is no query_string
$this->url=$_server[' Request_uri ']. "?". $this->page_name. " =";
}else{
//
if (Stristr ($_server[' query_string '), $this->page_name. ' =')){
Address exists page parameter
$this->url=str_replace ($this->page_name. ' = '. $this->nowindex, ', $_server

[' Request_uri ']);
$last = $this->url[strlen ($this->url)-1];
if ($last = = '? ' | | $last = = ' & ') {
$this->url.= $this->page_name. " =";
}else{
$this->url.= ' & $this->page_name. " =";
}
}else{
//
$this->url=$_server[' Request_uri ']. ' & '. $this->page_name. ' =';
}//end if
}//end if
}//end if
}

/**
* Set Current page
*
*/
function _set_nowindex ($nowindex)
{
if (empty ($nowindex)) {
System acquisition

if (Isset ($_get[$this->page_name])) {
$this->nowindex=intval ($_get[$this->page_name]);
}
}else{
Manually set
$this->nowindex=intval ($nowindex);
}
}

/**
* Returns the address value for the specified page
*
* @param int $pageno
* @return String $url
*/
function _get_url ($pageno =1)
{
Return $this->url. $pageno;
}

/**
* Get pagination display text, for example _get_text (' 1 ') will return by default [

Href= "" >1]
*
* @param String $str
* @return String $url
*/
function _get_text ($STR)
{
Return $this->format_left. $str. $this->format_right;
}

/**
* Get link address
*/
function _get_link ($url, $text, $style = ") {
$style = (Empty ($style))? ": ' class=" '. $style. ' ";
if ($this->is_ajax) {
If you are using AJAX mode
Return '

>ajax_action_name. ' ('. $url. ') ' > '. $text. ';
}else{
Return '. $text. ';
}
}
/**
* Error Handling method
*/
Function error ($function, $errormsg)
{
Die (' Error in File '. __file__ ' , Function '. $function. ' ()

: '. $errormsg);
}
}
$page =new page (Array (' Total ' =>1000, ' perpage ' =>20));
Echo ' Mode:1
'. $page->show ();
Echo ' Mode:2
'. $page->show (2);
Echo ' Mode:3
'. $page->show (3);
Echo ' Mode:4
'. $page->show (4);
Echo ' Start Ajax mode: ';
$ajaxpage =new page (array

(' Total ' =>1000, ' perpage ' =>20, ' ajax ' = ' ajax_page ', ' page_name ' = ' test '));
Echo ' Mode:1
'. $ajaxpage->show ();
?>

http://www.bkjia.com/PHPjc/444777.html www.bkjia.com true http://www.bkjia.com/PHPjc/444777.html techarticle PHP Tutorial Multi-style pagination class (AJAX-enabled paging)?/** * Example: * Mode four paging modes: require_once (' ... /libs/classes/page.class.php '); $page =new page (Array (' Total ' =1000, ' ...

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