Perfect PHP article pagination class_PHP tutorial-PHP Tutorial-php.cn

Perfect PHP article pagination class_PHP tutorial

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Release： 2016-07-20 11:07:13

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Perfect PHP tutorial article pagination class
class SubPages{
private $each_disNums;//Number of entries displayed on each page
private $nums;//Total number of entries
private $current_page;/ /The currently selected page
private $sub_pages;//Number of pages displayed each time
private $pageNums;//Total number of pages
private $page_array = array();//Used to construct paging Array of
private $subPage_link;//The link of each page
private $subPage_type;//Display the type of page
/*
__construct is the constructor of SubPages, used to create the class Automatically run when running.
@$each_disNums The number of items displayed on each page
@nums The total number of items
@current_num The currently selected page
@sub_pages The number of pages displayed each time
@subPage_link The link of each page
@subPage_type Display the type of paging

When @subPage_type=1, it is the normal paging mode
Example: A total of 4523 records, 10 are displayed on each page, the current 1st /453 pages [Home] [Previous page] [Next page] [Last page]
When @subPage_type=2, it is the classic paging style
Example: Current page 1/453 [Home] [Previous page] 1 2 3 4 5 6 7 8 9 10 [Next page] [Last page]
*/
function __construct($each_disNums,$nums,$current_page,$sub_pages,$subPage_link,$subPage_type){
$this->each_disNums=intval($each_disNums);
$this->nums=intval($nums);
if(!$current_page){
$this->current_page= 1;
}else{
$this->current_page=intval($current_page);
}
$this->sub_pages=intval($sub_pages);
$this- >pageNums=ceil($nums/$each_disNums);
$this->subPage_link=$subPage_link;
$this->show_SubPages($subPage_type); //Call the show_SubPages function
// echo $this->pageNums."--".$this->sub_pages;
}
function __destruct(){
unset($each_disNums);
unset($nums);
unset($current_page);
unset($sub_pages);
unset($pageNums);
unset($page_array);
unset($subPage_link);
unset( $subPage_type);
}
/*
The show_SubPages function is used in the constructor. And used to determine what kind of paging to display
*/
function show_SubPages($subPage_type){
if($subPage_type == 1){
$this->subPageCss1();
}elseif ($subPage_type == 2){
$this->subPageCss2();
}
}

/*
Used to create pagination Array initialization function.
*/
function initArray(){
for($i=0;$i<$this->sub_pages;$i++){
$this->page_array[$i] =$i;
}
return $this->page_array;
}
/*
construct_num_Page This function is used to construct the displayed entry
Even: [1][2 ][3][4][5][6][7][8][9][10]
*/
function construct_num_Page(){
if($this->pageNums < ; $this->sub_pages){
$current_array=array();
for($i=0;$i<$this->pageNums;$i++){
$current_array[$ i]=$i+1;
}
}else{
$current_array=$this->initArray();
if($this->current_page <= 3){
for($i=0;$i $current_array[$i]=$i+1;
}
}elseif ($this->current_page <= $this->pageNums && $this->current_page > $this->pageNums - $this->sub_pages + 1 ){
for($ i=0;$i $current_array[$i]=($this->pageNums)-($this->sub_pages)+1+$i;
}
}else{
for($i=0;$i $current_array[$i]=$this->current_page- 2+$i;
}
}
}
return $current_array;
}
/*
Construct normal mode paging
A total of 4523 records, each The page displays 10 items, the current page is 1/453 [Home] [Previous page] [Next page] [Last page]
*/
function subPageCss1(){
$subPageCss1Str="";
$subPageCss1Str.="Total ".$this->nums." records,";
$subPageCss1Str.="Display ".$this->each_disNums." records per page,";
$subPageCss1Str.="Current page".$this->current_page."/".$this->pageNums."Page";
if($this->current_page > 1){
$firstPageUrl=$this->subPage_link."1";
$prewPageUrl=$this->subPage_link.($this->current_page-1);
$subPageCss1Str.="[Homepage] ";
$subPageCss1Str.="[Previous page] ";
}else {
$subPageCss1Str.="[Home] ";
$subPageCss1Str.="[Previous page] ";
}

if($this->current_page < $this->pageNums){
$lastPageUrl=$this->subPage_link.$this->pageNums;
$nextPageUrl=$this->subPage_link.($this->current_page +1);
$subPageCss1Str.=" [Next page] ";
$subPageCss1Str.="[Last page] ";
}else {
$subPageCss1Str.="[Next page] ";
$subPageCss1Str.="[Last page] ";
}
echo $subPageCss1Str; 4 5 6 7 8 9 10 [Next page] [Last page]
*//* For product pages*/
function subPageCss2(){
$subPageCss2Str="";

//jason edit
//$subPageCss2Str.="

Current page ".$this->current_page."/".$this->pageNums."< /li>";
If($this->current_page > 1){
$firstPageUrl=$this->subPage_link."1";
$prewPageUrl=$this- >subPage_link.($this->current_page-1);
//$subPageCss2Str.="

Homepage

";
$subPageCss2Str.="

Previous page }else {
//$subPageCss2Str.="

Homepage

";
$subPageCss2Str.="

";
}

$a=$this->construct_num_Page();
for($i=0;$i< count($a);$i++){
$s = $a[$i];
if($s == $this->current_page ){
$subPageCss2Str.="

".$s."

";
    }else{
     $url=$this->subPage_link.$s;
     //echo $url;exit;
     $subPageCss2Str.="

".$s."

";
     //echo $subPageCss2Str;
    }
   }
   //exit;
   if($this->current_page < $this->pageNums){
    $lastPageUrl=$this->subPage_link.$this->pageNums;
    $nextPageUrl=$this->subPage_link.($this->current_page+1);
    $subPageCss2Str.="

";
//$subPageCss2Str.="

尾页

";
}else {
$subPageCss2Str.="

";
//$subPageCss2Str.="

尾页

";
   }
   echo $subPageCss2Str;
  }
}