Strong pagination Class 2.0 release, support custom style, default 4 display modes _php instance

Strong pagination Class 2.0 release, support custom style, default 4 display modes


See some people on the forum Baidu pagination class, so a few weeks ago, the pagination class posted.
2.0 relative 1.0 revisions are as follows:
1. Support PHP4 and PHP5
2, added to the Ajax paging function
3, optimize the overall structure of the program
4, added the custom style the function

The code is as follows:

Copy Code code as follows:

?
/**
* filename:ext_page.class.php
* @package:p Hpbean
* @author: feifengxlq<feifengxlq#gmail.com><[url=http://www.phpobject.net/]http://www.phpobject.net/[/ Url]>
* @copyright: Copyright 2006 FEIFENGXLQ
* @license: Version 2.0
* @create: 2006-5-31
* @modify: 2006-6-1
* @modify: FEIFENGXLQ 2006-11-4
* Description: Strong paging class, four paging mode, by default, similar to the baidu,google style of pagination.
* 2.0 Add Function: Support custom style, custom style, support PHP4 and PHP5,
* to detail,please visit [url=http://www.phpobject.net/blog/read.php]http://www.phpobject.net/blog/read.php[/ URL]?
* Example:
* Mode four paging mode:
Require_once ('.. /libs/classes/page.class.php ');
$page =new page (' Total ' =>1000, ' perpage ' =>20));
Echo ' mode:1<br> '. $page->show ();
Echo ' Echo ' Echo ' Turn on Ajax:
$ajaxpage =new page (' Total ' =>1000, ' perpage ' =>20, ' Ajax ' => ' ajax_page ', ' page_name ' => ' Test '));
Echo ' mode:1<br> '. $ajaxpage->show ();
Use inheritance to customize the paging display mode:
Demo:http://www.phpobject.net/blog
*/
Class page
{
/**
* Config, public
*/
var $page _name= "Pb_page";//page tag, used to control the URL page. such as xxx.php? The Pb_page in the pb_page=2
var $next _page= ' > ';//Next page
var $pre _page= ' < ';//Previous Page
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 _ajax=false;//Whether Ajax paging mode is supported

/**
* Private
*
*/
The Var $pagebarnum =10;//control the number of record bars.
=0;//var $totalpage total pages
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 to 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 ']);/set pagename
$this->_set_nowindex ($nowindex);//Set the current page
$this->_set_url ($url);//Set link address
$this->totalpage=ceil ($total/$perpage);
$this->offset= ($this->nowindex-1) * $this->perpage;
if (!empty ($array [' Ajax '])) $this->open_ajax ($array [' Ajax ']);//Open Ajax mode
}
/**
* Set the value of the variable name specified in the class, if the amount of change does not belong to this class, 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 displays the 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 ' <span class= '. $style. ' " > '. $this->next_page. ' </span> ';
}

/**
* 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 ' <span class= '. $style. ' " > '. $this->pre_page. ' </span> ';
}

/**
* Get the code to display "Home page"
*
* @return String
*/
function first_page ($style = ')
{
if ($this->nowindex==1) {
Return ' <span class= '. $style. ' " > '. $this->first_page. ' </span> ';
}
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 ' <span class= '. $style. ' " > '. $this->last_page. ' </span> ';
}
return $this->_get_link ($this->_get_url ($this->totalpage), $this->last_page, $style);
}

function Nowbar ($style = ', $nowindex _style= ')
{
$plus =ceil ($this-&GT;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 (' <span class= '. $nowindex _style. ') > '. $i. ' </span> ');
}else{
Break
}
$return. = "\ n";
}
Unset ($begin);
return $return;
}
/**
* Get the code to display the Jump button
*
* @return String
*/
function Select ()
{
$return = ' <select name= ' pb_page_select ' > ';
For ($i =1 $i <= $this->totalpage; $i + +)
{
if ($i = = $this->nowindex) {
$return. = ' <option value= '. $i. ' selected> '. $i. ' </option> ';
}else{
$return. = ' <option value= '. $i. ' > ' $i. ' </option> ';
}
}
Unset ($i);
$return. = ' </select> ';
return $return;
}

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

/**
* Control pagination display style (you can add the corresponding style)
*
* @param int $mode
* @return String
*/
Function Show ($mode =1)
{
Switch ($mode)
{
Case ' 1 ':
$this->next_page= ' next page ';
$this->pre_page= ' up a page ';
return $this->pre_page (). $this->nowbar (). $this->next_page (). ' $this->select (). ' Page ';
Break
Case ' 2 ':
$this->next_page= ' next page ';
$this->pre_page= ' up a page ';
$this->first_page= ' home ';
$this->last_page= ' last ';
return $this->first_page (). $this->pre_page (). ' [->nowindex. $this] '. $this->next_page (). $this->last_page (). ' $this->select (). ' Page ';
Break
Case ' 3 ':
$this->next_page= ' next page ';
$this->pre_page= ' up a 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= ' up a 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 (private 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 has page parameters
$this->url=str_replace ($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 the current page
*
*/
function _set_nowindex ($nowindex)
{
if (empty ($nowindex)) {
System access

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, by default _get_text (' <a href= ' ">1</a> ') will return [<a href=" "&GT;1&LT;/A&GT;]
*
* @param String $str
* @return String $url
*/
function _get_text ($STR)
{
Return $this->format_left. $str $this->format_right;
}

/**
* Get the link address
*/
function _get_link ($url, $text, $style = ') {
$style = (Empty ($style))? ': ' class= '. $style. ' ";
if ($this->is_ajax) {
If you are using AJAX mode
Return ' <a '. $style. ' href= ' javascript: '. $this->ajax_action_name. ' (\ $url. \ ' > '. $text. ' </a> ';
}else{
Return ' <a '. $style. ' href= '. $url. ' " > '. $text. ' </a> ';
}
}
/**
* Error Handling mode
*/
Function error ($function, $errormsg)
{
Die (' Error in File <b> '. __file__. ') </b>, Function <b> '. $function. ' () </b>: '. $errormsg);
}
}
?>

Provides a simple demo demo

Copy Code code as follows:

?
Require_once ('.. /libs/classes/page.class.php ');
$page =new page (' Total ' =>1000, ' perpage ' =>20));
Echo ' mode:1<br> '. $page->show ();
Echo ' Echo ' Echo ' Echo ' $ajaxpage =new page (' Total ' =>1000, ' perpage ' =>20, ' Ajax ' => ' ajax_page ', ' page_name ' => ' Test '));
Echo ' mode:1<br> '. $ajaxpage->show ();
?>

Demo Address: http://traffic02.100steps.net/52site/test/page.php