分享一个php分页类_PHP教程

导读：做项目，数据分页是必不可少的，今天总结一下，把代码分享出来，网友们可以提出修改建议。

做项目，数据分页是必不可少的，今天总结一下，把代码分享出来，网友们可以提出修改建议。

复制代码代码如下：

<!--?php
class Page {
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 $subPage_link; //每个分页的链接
/**
*
* __construct是SubPages的构造函数，用来在创建类的时候自动运行.
* @$each_disNums 每页显示的条目数
* @nums 总条目数
* @current_num 当前被选中的页
* @sub_pages 每次显示的页数
* @subPage_link 每个分页的链接
* @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 Page($each_disNums, $nums, $current_page, $sub_pages) {
$this--->each_disNums = intval($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);
$this->subPage_link =$_SERVER['PHP_SELF']."?page=";;
}
/**
* 照顾低版本
*/
/*function __construct($each_disNums, $nums, $current_page, $sub_pages, $subPage_linke) {
$this->Page($each_disNums, $nums, $current_page, $sub_pages, $subPage_link);
}
*/
/*
__destruct析构函数，当类不在使用的时候调用，该函数用来释放资源。
*/
function __destruct() {
unset ($each_disNums);
unset ($nums);
unset ($current_page);
unset ($sub_pages);
unset ($pageNums);
unset ($page_array);
unset ($subPage_link);
}
/*
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] = $i +1;
}
}
elseif ($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) {
http://blog.csdn.net/phpfenghuo/article/details/$firstPageUrl = $this->subPage_link . "1";
http://blog.csdn.net/phpfenghuo/article/details/$prewPageUrl = $this->subPage_link . ($this->current_page - 1);
$subPageCss1Str .= "[首页] ";
$subPageCss1Str .= "[上一页] ";
} else {
$subPageCss1Str .= "[首页] ";
$subPageCss1Str .= "[上一页] ";
}
if ($this->current_page < $this->pageNums) {
http://blog.csdn.net/phpfenghuo/article/details/$lastPageUrl = $this->subPage_link . $this->pageNums;
http://blog.csdn.net/phpfenghuo/article/details/$nextPageUrl = $this->subPage_link . ($this->current_page + 1);
$subPageCss1Str .= " [下一页] ";
$subPageCss1Str .= "[尾页] ";
} else {
$subPageCss1Str .= "[下一页] ";
$subPageCss1Str .= "[尾页] ";
}
return $subPageCss1Str;
}
/*
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) {
http://blog.csdn.net/phpfenghuo/article/details/$firstPageUrl = $this->subPage_link . "1";
http://blog.csdn.net/phpfenghuo/article/details/$prewPageUrl = $this->subPage_link . ($this->current_page - 1);
$subPageCss2Str .= "[首页] ";
$subPageCss2Str .= "[上一页] ";
} 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 .= "[" . $s . "]";
} else {
http://blog.csdn.net/phpfenghuo/article/details/$url = $this->subPage_link . $s;
$subPageCss2Str .= "[" . $s . "]";
}
}
if ($this->current_page < $this->pageNums) {
http://blog.csdn.net/phpfenghuo/article/details/$lastPageUrl = $this->subPage_link . $this->pageNums;
http://blog.csdn.net/phpfenghuo/article/details/$nextPageUrl = $this->subPage_link . ($this->current_page + 1);
$subPageCss2Str .= " [下一页] ";
$subPageCss2Str .= "[尾页] ";
} else {
$subPageCss2Str .= "[下一页] ";
$subPageCss2Str .= "[尾页] ";
}
return $subPageCss2Str;
}
}
//测试一下，看看两种不同效果
$current_page=isset($_GET['page'])?intval($_GET['page']):1;//获取用户GET提交的page，如果没有就默
$t = new Page(10, 100, $current_page, 5);
echo $t->subPageCss2();
echo "
";
echo $t->subPageCss1();
?>

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