本文实例讲述了php自定义分页类。分享给大家供大家参考,具体如下:
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<?php
header( "Content-type:text/html;Charset=utf-8" );
class SubPages{
private $each_disNums ; //每页显示的条目数
private $nums ; //总条目数
private $current_page ; //当前被选中的页
private $sub_pages ; //每次显示的页数
private $pageNums ; //总页数
private $page_array = array (); //用来构造分页的数组
private $subPage_link ; //每个分页的链接
//private $subPage_type;//显示分页的类型
/*
当@subPage_type=1的时候为普通分页模式
example: 共4523条记录,每页显示10条,当前第1/453页 [首页] [上页] [下页] [尾页]
当@subPage_type=2的时候为经典分页样式
example: 当前第1/453页 [首页] [上页] 1 2 3 4 5 6 7 8 9 10 [下页] [尾页]
*/
function __construct( $each_disNums , $nums , $current_page , $sub_pages , $subPage_link ){
$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);
}
// show_SubPages函数用在构造函数里面。而且用来判断显示什么样子的分页
/* function show_SubPages($subPage_type){
if($subPage_type == 1){
$this->subPageCss1();
}else if ($subPage_type == 2){
$this->subPageCss2();
}
}
*/
//用来给建立分页的数组初始化的函数。
function initArray(){
for ( $i =0; $i < $this ->sub_pages; $i ++){
$this ->page_array[ $i ]= $i ;
}
return $this ->page_array;
}
/* construct_num_Page该函数使用来构造显示的条目
即使:[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 < count ( $current_array ); $i ++){
$current_array [ $i ]= $i +1;
}
} else if ( $this ->current_page <= $this ->pageNums && $this ->current_page > $this ->pageNums - $this ->sub_pages + 1 ){
for ( $i =0; $i < count ( $current_array ); $i ++){
$current_array [ $i ]=( $this ->pageNums)-( $this ->sub_pages)+1+ $i ;
}
} else {
for ( $i =0; $i < count ( $current_array ); $i ++){
$current_array [ $i ]= $this ->current_page-2+ $i ;
}
}
}
return $current_array ;
}
/*
构造普通模式的分页
共4523条记录,每页显示10条,当前第1/453页 [首页] [上页] [下页] [尾页]
*/
function subPageCss1(){
$subPageCss1Str = "" ;
$subPageCss1Str .= "共" . $this ->nums. "条记录," ;
$subPageCss1Str .= "每页显示" . $this ->each_disNums. "条," ;
$subPageCss1Str .= "当前第" . $this ->current_page. "/" . $this ->pageNums. "页 " ;
if ( $this ->current_page > 1){
$firstPageUrl = $this ->subPage_link. "1" ;
$prewPageUrl = $this ->subPage_link.( $this ->current_page-1);
$subPageCss1Str .= "[<a href='$firstPageUrl'>首页</a>] " ;
$subPageCss1Str .= "[<a href='$prewPageUrl'>上一页</a>] " ;
} else {
$subPageCss1Str .= "[首页] " ;
$subPageCss1Str .= "[上一页] " ;
}
if ( $this ->current_page < $this ->pageNums){
$lastPageUrl = $this ->subPage_link. $this ->pageNums;
$nextPageUrl = $this ->subPage_link.( $this ->current_page+1);
$subPageCss1Str .= " [<a href='$nextPageUrl'>下一页</a>] " ;
$subPageCss1Str .= "[<a href='$lastPageUrl'>尾页</a>] " ;
} else {
$subPageCss1Str .= "[下一页] " ;
$subPageCss1Str .= "[尾页]" ;
}
return $subPageCss1Str ; //在此可以设置显示的CSS样式
}
/*
构造经典模式的分页
当前第1/453页 [首页] [上页] 1 2 3 4 5 6 7 8 9 10 [下页] [尾页]
*/
function subPageCss2(){
$subPageCss2Str = "" ;
$subPageCss2Str .= "当前第" . $this ->current_page. "/" . $this ->pageNums. "页 " ;
if ( $this ->current_page > 1){
$firstPageUrl = $this ->subPage_link. "1" ;
$prewPageUrl = $this ->subPage_link.( $this ->current_page-1);
$subPageCss2Str .= "[<a href='$firstPageUrl'>首页</a>] " ;
$subPageCss2Str .= "[<a href='$prewPageUrl'>上一页</a>] " ;
} else {
$subPageCss2Str .= "[首页] " ;
$subPageCss2Str .= "[上一页] " ;
}
$a = $this ->construct_num_Page();
for ( $i =0; $i < count ( $a ); $i ++){
$s = $a [ $i ];
if ( $s == $this ->current_page ){
$subPageCss2Str .= "[<span style='color:red;font-weight:bold;'>" . $s . "</span>]" ;
} else {
$url = $this ->subPage_link. $s ;
$subPageCss2Str .= "[<a href='$url'>" . $s . "</a>]" ;
}
}
if ( $this ->current_page < $this ->pageNums){
$lastPageUrl = $this ->subPage_link. $this ->pageNums;
$nextPageUrl = $this ->subPage_link.( $this ->current_page+1);
$subPageCss2Str .= " [<a href='$nextPageUrl'>下一页</a>] " ;
$subPageCss2Str .= "[<a href='$lastPageUrl'>尾页</a>] " ;
} else {
$subPageCss2Str .= "[下一页] " ;
$subPageCss2Str .= "[尾页] " ;
}
return $subPageCss2Str ;
}
}
//使用如下
/*include('../mysql.php');
//每页显示的条数
$page_size=3;
//总条目数
$sql=mysql_query("select * from `stu_info`");
$nums=mysql_num_rows($sql);
//每次显示的页数
$sub_pages=10;
//得到当前是第几页
if(!isset($_GET["p"])){
$pageCurrent=1;
}else{
$pageCurrent=$_GET["p"];
}
$subPages=new SubPages($page_size,$nums,$pageCurrent,$sub_pages,"page.php?p=");
$page=$subPages->subPageCss2();
echo $page;//在此可以设置CSS样式
$ss=mysql_query("select * from `stu_info` limit ".$page_size*($pageCurrent-1).",".$page_size);
while($row=mysql_fetch_array($ss)){
echo $row['stunum'].''.$row['stuname'].''.$row['clanum'].'<br>';
}*/
?>
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希望本文所述对大家PHP程序设计有所帮助。