[Recommended] a paging class for solving custom Routing

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//----------------------------------------------------------
// Declaration: This code is not perfect. It may not be good. Please speak out!
// Author: xiaozeng
// Deduction: 839024615
// Website: www.yun8888.net
// About my ThinkPHP http://www.thinkphp1.cn/u/87696.html
//----------------------------------------------------------





// Many people are asking, if we re-define the route for the list
// The original address is list/index/id/1.html.
// List/1.html after Definition
// When you are in the system paging class, it will jump to list/index/id/1/p/2.html
// We can get a new class.


// Usage

Vendor ('page. Page # class ');
$ Params = array (
'Total _ rows '=> $ count, # (required)
'Method' => 'html', # (required)
'Parameter '=>'/list/'. $ id.'/p /?. Html ', # (required)
'Now _ page' => $ p, # (required)
'List _ rows '=> 30, # (optional) The default value is 15.
);

$ Page = new Core_Lib_Page ($ params );

$ This-> assign ("page", $ page-> show (1 ));








/**
* Paging class
* @ Author xiaojiong & 290747680@qq.com
* @ Date 2011-08-17
*
* Show (2) 1... 62 63 64 65 66 67 68... 150
* Paging Style
* # Page {font: 12px/16px arial}
* # Page span {float: left; margin: 0px 3px ;}
* # Page a {float: left; margin: 0 3px; border: 1px solid # ddd; padding: 3px 7px; text-decoration: none; color: #666}
* # Page a. now_page, # page a: hover {color: # fff; background: # 05c}
*/

Class Core_Lib_Page
{
Public $ first_row; // The start row.

Public $ list_rows; // The number of lines displayed on each page in the list

Protected $ total_pages; // total number of pages

Protected $ total_rows; // total number of rows

Protected $ now_page; // current page number

Protected $ method = 'delete'; // processing Ajax paging Html paging (static) normal get Mode

Protected $ parameter = '';

Protected $ page_name; // name of the paging Parameter

Protected $ ajax_func_name;

Public $ plus = 3; // page offset

Protected $ url;


/**
* Constructor
* @ Param unknown_type $ data
*/
Public function _ construct ($ data = array ())
{
$ This-> total_rows = $ data ['total _ rows '];

$ This-> parameter =! Empty ($ data ['parameter '])? $ Data ['parameter ']: '';
$ This-> list_rows =! Empty ($ data ['list _ rows ']) & $ data ['list _ rows'] <= 100? $ Data ['list _ rows ']: 15;
$ This-> total_pages = ceil ($ this-> total_rows/$ this-> list_rows );
$ This-> page_name =! Empty ($ data ['page _ name'])? $ Data ['page _ name']: 'P ';
$ This-> ajax_func_name =! Empty ($ data ['ajax _ func_name '])? $ Data ['ajax _ func_name ']: '';

$ This-> method =! Empty ($ data ['method'])? $ Data ['method']: '';


/* Current page */
If (! Empty ($ data ['now _ page'])
{
$ This-> now_page = intval ($ data ['now _ page']);
} Else {
$ This-> now_page =! Empty ($ _ GET [$ this-> page_name])? Intval ($ _ GET [$ this-> page_name]): 1;
}
$ This-> now_page = $ this-> now_page <= 0? 1: $ this-> now_page;


If (! Empty ($ this-> total_pages) & $ this-> now_page> $ this-> total_pages)
{
$ This-> now_page = $ this-> total_pages;
}
$ This-> first_row = $ this-> list_rows * ($ this-> now_page-1 );
}

/**
* Get the current connection
* @ Param $ page
* @ Param $ text
* @ Return string
*/
Protected function _ get_link ($ page, $ text)
{
Switch ($ this-> method ){
Case 'ajax ':
$ Parameter = '';
If ($ this-> parameter)
{
$ Parameter = ','. $ this-> parameter;
}
Return 'ajax _ func_name. '(\''. $ page. '\''. $ parameter. ') "href =" javascript: void (0) "> '. $ text. ''. "\ n ";
Break;

Case 'html ':
$ Url = str_replace ('? ', $ Page, $ this-> parameter );
Return ''. $ text.''. "\ n ";
Break;

Default:
Return '_ get_url ($ page).' "> '. $ text.'." \ n ";
Break;
}
}


/**
* Set the current page Link
*/
Protected function _ set_url ()
{
$ Url = $ _ SERVER ['request _ URI ']. (strpos ($ _ SERVER ['request _ URI'], '? ')? '':"? "). $ This-> parameter;
$ Parse = parse_url ($ url );
If (isset ($ parse ['query']) {
Parse_str ($ parse ['query'], $ params );
Unset ($ params [$ this-> page_name]);
$ Url = $ parse ['path']. '? '. Http_build_query ($ params );
}
If (! Empty ($ params ))
{
$ Url. = '&';
}
$ This-> url = $ url;
}

/**
* Get the url of $ page.
* @ Param $ page
* @ Return string
*/
Protected function _ get_url ($ page)
{
If ($ this-> url = NULL)
{
$ This-> _ set_url ();
}
// $ Lable = strpos ('&', $ this-> url) === FALSE? '':'&';
Return $ this-> url. $ this-> page_name. '='. $ page;
}


/**
* The first page is displayed.
* @ Return string
*/
Public function first_page ($ name = 'page 1 ')
{
If ($ this-> now_page> 5)
{
Return $ this-> _ get_link ('1', $ name );
}
Return '';
}

/**
* Last Page
* @ Param $ name
* @ Return string
*/
Public function last_page ($ name = 'last page ')
{
If ($ this-> now_page <$ this-> total_pages-5)
{
Return $ this-> _ get_link ($ this-> total_pages, $ name );
}
Return '';
}

/**
* Previous Page
* @ Return string
*/
Public function up_page ($ name = 'previous page ')
{
If ($ this-> now_page! = 1)
{
Return $ this-> _ get_link ($ this-> now_page-1, $ name );
}
Return '';
}

/**
* Next Page
* @ Return string
*/
Public function down_page ($ name = 'Next page ')
{
If ($ this-> now_page <$ this-> total_pages)
{
Return $ this-> _ get_link ($ this-> now_page + 1, $ name );
}
Return '';
}

/**
* Paging style output
* @ Param $ param
* @ Return string
*/
Public function show ($ param = 1)
{
If ($ this-> total_rows <1)
{
Return '';
}

$ ClassName = 'show _ '. $ param;

$ ClassNames = get_class_methods ($ this );

If (in_array ($ className, $ classNames ))
{
Return $ this-> $ className ();
}
Return '';
}

Protected function show_2 ()
{
If ($ this-> total_pages! = 1)
{
$ Return = '';
$ Return. = $ this-> up_page ('<');
For ($ I = 1; $ I <= $ this-> total_pages; $ I ++)
{
If ($ I ==$ this-> now_page)
{
$ Return. = "$ I \ n ";
}
Else
{
If ($ this-> now_page-$ I >=4 & $ I! = 1)
{
$ Return. = "... \ n ";
$ I = $ this-> now_page-3;
}
Else
{
If ($ I >=$ this-> now_page + 5 & $ I! = $ This-> total_pages)
{
$ Return. = "... \ n ";
$ I = $ this-> total_pages;
}
$ Return. = $ this-> _ get_link ($ I, $ I). "\ n ";
}
}
}
$ Return. = $ this-> down_page ('> ');
Return $ return;
}
}

Protected function show_1 ()
{
$ Plus = $ this-> plus;
If ($ plus + $ this-> now_page> $ this-> total_pages)
{
$ Begin = $ this-> total_pages-$ plus * 2;
} Else {
$ Begin = $ this-> now_page-$ plus;
}

$ Begin = ($ begin> = 1 )? $ Begin: 1;
$ Return = '';
$ Return. = $ this-> first_page ();
$ Return. = $ this-> up_page ();
For ($ I = $ begin; $ I <= $ begin + $ plus * 2; $ I ++)
{
If ($ I> $ this-> total_pages)
{
Break;
}
If ($ I ==$ this-> now_page)
{
$ Return. = "$ I \ n ";
}
Else
{
$ Return. = $ this-> _ get_link ($ I, $ I). "\ n ";
}
}
$ Return. = $ this-> down_page ();
$ Return. = $ this-> last_page ();
Return $ return;
}

Protected function show_3 ()
{
$ Plus = $ this-> plus;
If ($ plus + $ this-> now_page> $ this-> total_pages)
{
$ Begin = $ this-> total_pages-$ plus * 2;
} Else {
$ Begin = $ this-> now_page-$ plus;
}
$ Begin = ($ begin> = 1 )? $ Begin: 1;
$ Return = 'Total '. $ this-> total_rows. 'records are classified '. $ this-> total_pages. 'page, current '. $ this-> now_page. 'page ';
$ Return. = ', each page ';
$ Return. ='';
$ Return. = $ this-> first_page (). "\ n ";
$ Return. = $ this-> up_page (). "\ n ";
$ Return. = $ this-> down_page (). "\ n ";
$ Return. = $ this-> last_page (). "\ n ";
$ Return. =''; For ($ I = $ begin; $ I <= $ begin + 10; $ I ++){If ($ I> $ this-> total_pages){Break;}If ($ I ==$ this-> now_page){$ Return. =''. $ I .'';}Else{$ Return. =''. $ I .'';}}$ Return. ='';
Return $ return;
}
}







//----------------------------------------------------------
// Declaration: This code is not perfect. It may not be good. Please speak out!
// Author: xiaozeng
// Deduction: 839024615
// Website: www.yun8888.net
// About my ThinkPHP http://www.thinkphp1.cn/u/87696.html
//----------------------------------------------------------

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