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PHP paging implementation (with renderings)_PHP tutorial

WBOY
Release： 2016-07-13 17:18:39
Original
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First, a paging class, as shown below (extracted from the Internet) can be copied and used directly 

<?php
/*
 * Created on 2013-12-3
 * 分页类
 * To change the template for this generated file go to
 * Window - Preferences - PHPeclipse - PHP - Code Templates
 */
class Pagination {
	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 $subPage_type; //显示分页的类型
	/*
	__construct是SubPages的构造函数，用来在创建类的时候自动运行.
	@$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 __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);
		//echo $this->pageNums."--".$this->sub_pages;
	}

	/*
	  __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 ($subPage_link);
		unset ($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) {
			$this->subPageCss1();
		}
		elseif ($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] = $i +1;
				}
			}
			elseif ($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/tangcheng_ok/article/details/$firstPageUrl = $this->subPage_link . "1";
			http://blog.csdn.net/tangcheng_ok/article/details/$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 < $this->pageNums) {
			http://blog.csdn.net/tangcheng_ok/article/details/$lastPageUrl = $this->subPage_link . $this->pageNums;
			http://blog.csdn.net/tangcheng_ok/article/details/$nextPageUrl = $this->subPage_link . ($this->current_page + 1);
			$subPageCss1Str .= " [下一页] ";
			$subPageCss1Str .= "[尾页] ";
		} else {
			$subPageCss1Str .= "[下一页] ";
			$subPageCss1Str .= "[尾页] ";
		}

		echo $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 ($this->current_page > 1) {
			http://blog.csdn.net/tangcheng_ok/article/details/$firstPageUrl = $this->subPage_link . "1";
			http://blog.csdn.net/tangcheng_ok/article/details/$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 .= "  <span style='color:red;font-weight:bold;'>" . $s . "  ";
			} else {
				http://blog.csdn.net/tangcheng_ok/article/details/$url = $this->subPage_link . $s;
				$subPageCss2Str .= "  " . $s . "  ";
			}
		}

		if ($this->current_page < $this->pageNums) {
			http://blog.csdn.net/tangcheng_ok/article/details/$lastPageUrl = $this->subPage_link . $this->pageNums;
			http://blog.csdn.net/tangcheng_ok/article/details/$nextPageUrl = $this->subPage_link . ($this->current_page + 1);
			$subPageCss2Str .= "  下一页  ";
			$subPageCss2Str .= "  尾页  ";
		} else {
			$subPageCss2Str .= "  下一页  ";
			$subPageCss2Str .= "  尾页   ";
		}
		echo $subPageCss2Str;
	}
}
?>
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in the php file that needs paging 

include_once ("Pagination.php");
//每页显示的条数
$pageSize = 10;
//总条目数
$pageTotal = $db->get_var("select count(*) from tb");
//每次显示的页数
$sub_pages = 10;
//得到当前是第几页
if (is_array($_GET) && count($_GET) > 0) {
	if (isset ($_GET["p"])) { //是否存在"id"的参数
		$pageCurrent = $_GET["p"];
	}
} else {
	$pageCurrent = 1;
}
$goodses = $db->get_results("SELECT g.id,* FROM tb as g INNER JOIN (select id from tb  order by updatetime desc limit " . ($pageCurrent -1) * $pageSize . ",10 )as g1 ON g.id=g1.id");
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Display pagination data

<?php $subPages = new Pagination($pageSize, $pageTotal, $pageCurrent, $sub_pages, "index.php?p=", 2);?>
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Rendering:

Note: The Pagination class in this article comes from the Internet, and the URL is not marked. It has been modified based on the original code. If any questions are involved, please leave a message. I would like to thank the author and make the above statement.

Please indicate the source for reprinting: http://blog.csdn.net/tangcheng_ok


www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/621643.htmlTechArticleFirst a paging class, as follows (extracted from the Internet) can be copied and used directly each_disNums = intval($each_disNums);$this ->nums = intval($nums);if (!$current_page) {$this->current_page = 1;...
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