PHP分页类,支持自定义样式,中间5页

<?php

//namespace Component;
/**
 * 2016-3-27
 * @author ankang
 */
class Page {
	private $ShowPage;
	private $CountPage;
	private $Floorp;
	private $PageUrl;
	private $PageClass;
	private $CurClass;
	
	/**
	 * @author ankang
	 * @param number $CountNum        	数据总数
	 * @param string $PageUrl        	跳转链接
	 * @param string $PageClass       	标签 总体样式	
	 * @param string $PageUrl        	当前页样式
	 * @param number $PageSize        	每页显示的数据条数
	 * @param number $ShowPage        	每次显示的页数	
	 */
	public function __construct($CountNum, $PageUrl = NULL, $PageClass = NULL,$CurClass = NULL, $PageSize = 20, $ShowPage = 5) {
		$this->ShowPage 		= $ShowPage;
		$this->CountPage 		= ceil ( $CountNum / $PageSize );
		$this->Floorp 			= floor ( $ShowPage / 2 ); // 偏移量		
		$this->PageClass 		= is_null ( $PageClass ) ? '' : $PageClass;
		$this->CurClass 		= is_null ( $CurClass ) ? '' : $CurClass;
		
		// $ServerURL		        = ( preg_match('/\?/i', $_SERVER['REQUEST_URI']))?preg_replace('/\&p\=[0-9]+/i', "", $_SERVER['REQUEST_URI']) : $_SERVER['REQUEST_URI']."?";
		// if( substr($ButURL,0,2)=='//' ){
			// $ServerURL          = substr($ServerURL,1);
		// }
		// $url                	= preg_replace('/p=[\d]*/i', '', $ServerURL);
		   $url					= '';
		//推荐自己传url,不传也可以打开上面的代码自动获取
		$this->PageUrl 			= is_null ( $PageUrl ) ? $url : $PageUrl;
	}
	
	/**
	 *
	 * @param number $Page        	
	 * @param string $ShowToPage
	 *        	首页，上下页，尾页
	 * @param string $Html	标签元素,li,p      
	 * @return string
	 */
	public function getPage($Page = 1, $ShowToPage = true, $Html = null) {
		$StartPage 			= ($Page - $this->Floorp); // 开始页码
		$EndPage 			= ($Page + $this->Floorp); // 结束页码
		
		if ($this->CountPage < $this->ShowPage) {
			$StartPage 		= 1;
			$EndPage 		= $this->CountPage;
		}
		
		if ($StartPage < 1) {
			$StartPage 		= 1;
			$EndPage 		= $this->ShowPage;
		}
		
		if ($EndPage > $this->CountPage) {
			$StartPage 		= $this->CountPage - $this->ShowPage + 1;
			$EndPage 		= $this->CountPage;
		}
		
		$PageHtml = '';
		
		if (! is_null ( $Html )) {
			if ($Html == 'li') {
				$Shtml = '';
				$Ehtml = '';
			} else {
				$Shtml = '';
				$Ehtml = '';
			}
		}
		
		if (true == $ShowToPage) {
			$PageHtml 				.= "$ShtmlPageUrl}p=1.html" _href="{$this->PageUrl}p=1.html">&laquo; 首页$Ehtml";
			$PrveUrl				 = $this->getPrve($Page);
			$PageHtml 				.= "$Shtml&laquo; 上一页$Ehtml";
		}
		
		for($i = $StartPage; $i getNext($Page);
			$PageHtml 				.= "$Shtml下一页 &raquo;$Ehtml";
			$PageHtml 				.= "$ShtmlPageUrl}p={$this->CountPage}.html" _href="{$this->PageUrl}p={$this->CountPage}.html">尾页 &raquo;$Ehtml";
		}
		
		return $PageHtml;
	}
	
	public function getPrve($Page){
		if ($Page != 1) {
			$Prve 				 = $Page - 1;
			$PrveUrl 			 = "{$this->PageUrl}p={$Prve}";
		} else {
			$PrveUrl 			 = "{$this->PageUrl}p=1";
		}
		
		return $PrveUrl;
	}
	
	public function getNext($Page){
		if ($Page != $this->CountPage) {
			$Next 				 = $Page + 1;
			$NextUrl 			 = "{$this->PageUrl}p={$Next}";
		} else {
			$NextUrl 			 = "{$this->PageUrl}p={$this->CountPage}";
		}
		
		return $NextUrl;
	}
	
	
	
}