Example _php instance of the CodeIgniter test passed in the in-class

Universal Paging Class (with CodeIgniter test)

page_list.php

Copy Code code as follows:

<?php if (! defined (' BasePath ')) die (' No Access ');

/**
* Page-type
*/
Class Page_list {

   /**
     * Total Data
     * @var int
      */
    private $total;
   /**
     * Display data per page
     * @var int
      */
    private $size;
   /**
     * Current page
     * @var int
      */
    private $page;
   /**
     * Page List number of pages
     * @var int
      */
    private $len;

/**
* Total Pages
* @var int
*/
Private $page _total;
/**
* List of page numbers
* @var Array
*/
Private $page _list;

/**
* Base Address
* @var String
*/
Private $base _url;
/**
* Replacement Flag
* @var String
*/
Private $place;
/**
* Pagination Style
* @var String
*/
Private $style;

/**
* Constructor
*
* @param array $config configuration
*/
Public function __construct ($config = Array ()) {
Initialize default values
$this->total = 0;
$this->size = 20;
$this->page = 1;
$this->len = 4;
$this->page_total = 1;
$this->page_list = Array ();
$this->base_url = ' page=-page-';
$this->place = '-page-';
$this->style = $this->get_default_style ();
$this->initialize ($config);
}

/**
* Initialize pagination
*
* @param array $config configuration
*/
Public Function Initialize ($config = Array ()) {
Get configuration value
if (Is_array ($config)) {
if (array_key_exists (' Total ', $config)) $this->total = @intval ($config [' total ']);
if (array_key_exists (' size ', $config)) $this->size = @intval ($config [' size ']);
if (array_key_exists (' page ', $config)) $this->page = @intval ($config [' page ']);
if (array_key_exists (' Len ', $config)) $this->len = @intval ($config [' Len ']);
if (array_key_exists (' Base_url ', $config)) $this->base_url = @strval ($config [' base_url ']);
if (array_key_exists (' place ', $config)) $this->place = @strval ($config [' Place ']);
if (array_key_exists (' style ', $config)) $this->style = @strval ($config [' style ']);
}
Fixed positive
if ($this->total<0) $this->total = 0;
if ($this->size<=0) $this->size = 20;
if ($this->page<=0) $this->page = 1;
if ($this->len<=0) $this->len = 4;
To perform a paging algorithm
$this->page_total = ceil ($this->total/$this->size);
if ($this->page_total<=0) $this->page_total = 1;
if ($this->page> $this->page_total) $this->page = $this->page_total;
if ($this->page-$this->len>=1) {
for ($i = $this->len; $i >0; $i-) {
$this->page_list[] = $this->page-$i;
}
}else{
For ($i =1 $i < $this->page; $i + +) {
$this->page_list[] = $i;
}
}
$this->page_list[] = $this->page;
if ($this->page+ $this->len<= $this->page_total) {
For ($i =1 $i <= $this->len; $i + +) {
$this->page_list[] = $this->page + $i;
}
}else{
for ($i = $this->page+1; $i <= $this->page_total; $i + +) {
$this->page_list[] = $i;
}
}
}

/**
* Default Paging style
*
* @return String
*/
Public Function Get_default_style () {
$style = ' <style type= ' text/css ' > ';
$style. = ' div.page_list {margin:0;padding:0;overflow:hidden;zoom:1;} ';
$style. = ' Div.page_list a {display:block;float:left;height:20px;line-height:21px; Font-size:13px;font-weight: Normal;font-style:normal;color: #133DB6; text-decoration:none;margin:0 3px;padding:0 7px;overflow;zoom:1;} ';
$style. = ' Div.page_list a.page_list_act {font-size:13px;padding:0 6px;} ';
$style. = ' Div.page_list a:link, div.page_list a:visited {background: #FFF; border:1px #EEE solid;text-decoration:none;} ';
$style. = ' div.page_list a:hover, div.page_list a:active {background: #EEE; text-decoration:none;} ';
$style. = ' Div.page_list Strong {display:block;float:left;height:20px;line-height:21px;font-size:13px;font-weight: Bold;font-style:normal;color: #000; margin:0 3px;padding:0 8px;overflow:hidden;zoom:1;} ';
$style. = ' </style> ';
return $style;
}

/**
* Is the first page
*
* @return BOOL
*/
Public Function Is_first_page () {
return $this->page = 1;
}

/**
* Get first page number
*
* @return int
*/
Public Function Get_first_page () {
return 1;
}

/**
* Whether it's the last page
*
* @return BOOL
*/
Public Function Is_last_page () {
return $this->page = = $this->page_total;
}

/**
* Get last page number
*
* @return int
*/
Public Function Get_last_page () {
return $this->page_total;
}

/**
* Whether there is a previous page
*
* @return BOOL
*/
Public Function Has_prev_page () {
Return $this->page > 1;
}

/**
* Whether there is a next page
*
* @return BOOL
*/
Public Function Has_next_page () {
return $this->page < $this->page_total;
}

/**
* Get Previous page number
*
* @return int
*/
Public Function Get_prev_page () {
return $this->has_prev_page ()? $this->page-1: $this->page;
}

/**
* Get Next page number
*
* @return int
*/
Public Function Get_next_page () {
return $this->has_next_page ()? $this->page + 1: $this->page;
}

/**
* Get current page number
*
* @return int
*/
Public Function Get_curr_page () {
return $this->page;
}

/**
* Total number of data obtained
*
* @return int
*/
Public Function Get_total () {
return $this->total;
}

/**
* Get the number of display data per page
*
* @return int
*/
Public Function get_size () {
return $this->size;
}

/**
* Get Total pages
*
* @return int
*/
Public Function Get_total_page () {
return $this->page_total;
}

/**
* Build and return the paging code
*
* @param string $base _url base Address
* @param string $place Replace flag
* @param string $style paging style
* @return String page-HTML code
*/
Public function display ($base _url = ', $place = ', $style = ') {
if ($base _url=== ') $base _url = $this->base_url;
if ($place = = = ") $place = $this->place;
if ($style = = = ") $style = $this->style;
$str = $style. ' <div class= "Page_list" >;
if (! $this->is_first_page ()) {
$str. = ' <a class= ' page_list_act ' href= '. Str_replace ($place, $this->get_first_page (), $base _url). ' > Home </a> ';
}
if ($this->has_prev_page ()) {
$str. = ' <a class= ' page_list_act ' href= '. Str_replace ($place, $this->get_prev_page (), $base _url). ' > Prev </a> ';
}
foreach ($this->page_list as $v) {
if ($v = = $this->page) {
$str. = ' <strong> '. $v. ' </strong> ';
}else{
$str. = ' <a href= '. Str_replace ($place, $v, $base _url). ' > '. $v. ' </a> ';
}
}
if ($this->has_next_page ()) {
$str. = ' <a class= ' page_list_act ' href= '. Str_replace ($place, $this->get_next_page (), $base _url). ' > next page </a> ';
}
if (! $this->is_last_page ()) {
$str. = ' <a class= ' page_list_act ' href= '. Str_replace ($place, $this->get_last_page (), $base _url). ' > Last </a> ';
}
$str. = ' </div> ';
return $str;
}

}
?>

/application/view/pagelist.php

Copy Code code as follows:

<?php if (! defined (' BasePath ')) die (' No Access ');

Class PageList extends Ci_controller {

        Public Function page () {
             $this->load->helper (' url ');
            $page = $this->input->get (' page ');
            $page = @intval ($page);
            if ($page <=0) $page = 1;
            $this->load->library (' Page_list ', Array (' Total ' =>10000, ' size ' =>16, ' page ' => $page));
            $pl = $this->page_list->display (site _url (' pagelist/page/page/-page-'));
            $this->load->view (' pagelist ', array (' pl ' => $pl));
       }

}
?>

/application/view/pagelist.php

Copy Code code as follows:

<! DOCTYPE html>
<meta http-equiv= "Content-type" content= "Text/html;charset=utf-8"/>
<title> pagination Test </title>
<body>
<?php echo $pl;?>
</body>